odoo/openerp/models.py

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# -*- coding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
##############################################################################
"""
Object Relational Mapping module:
* Hierarchical structure
* Constraints consistency and validation
* Object metadata depends on its status
* Optimised processing by complex query (multiple actions at once)
* Default field values
* Permissions optimisation
* Persistant object: DB postgresql
* Data conversion
* Multi-level caching system
* Two different inheritance mechanisms
* Rich set of field types:
- classical (varchar, integer, boolean, ...)
- relational (one2many, many2one, many2many)
- functional
"""
import datetime
import functools
import itertools
import logging
import operator
import pickle
import pytz
import re
import time
from collections import defaultdict, MutableMapping
from inspect import getmembers, currentframe
from operator import itemgetter
import babel.dates
import dateutil.relativedelta
import psycopg2
from lxml import etree
import openerp
from . import SUPERUSER_ID
from . import api
from . import tools
from .api import Environment
from .exceptions import except_orm, AccessError, MissingError, ValidationError
from .osv import fields
from .osv.query import Query
from .tools import frozendict, lazy_property, ormcache
from .tools.config import config
from .tools.func import frame_codeinfo
from .tools.misc import CountingStream, DEFAULT_SERVER_DATETIME_FORMAT, DEFAULT_SERVER_DATE_FORMAT
from .tools.safe_eval import safe_eval as eval
from .tools.translate import _
_logger = logging.getLogger(__name__)
_schema = logging.getLogger(__name__ + '.schema')
regex_order = re.compile('^(\s*([a-z0-9:_]+|"[a-z0-9:_]+")(\s+(desc|asc))?\s*(,|$))+(?<!,)$', re.I)
regex_object_name = re.compile(r'^[a-z0-9_.]+$')
onchange_v7 = re.compile(r"^(\w+)\((.*)\)$")
AUTOINIT_RECALCULATE_STORED_FIELDS = 1000
def check_object_name(name):
""" Check if the given name is a valid openerp object name.
The _name attribute in osv and osv_memory object is subject to
some restrictions. This function returns True or False whether
the given name is allowed or not.
TODO: this is an approximation. The goal in this approximation
is to disallow uppercase characters (in some places, we quote
table/column names and in other not, which leads to this kind
of errors:
psycopg2.ProgrammingError: relation "xxx" does not exist).
The same restriction should apply to both osv and osv_memory
objects for consistency.
"""
if regex_object_name.match(name) is None:
return False
return True
def raise_on_invalid_object_name(name):
if not check_object_name(name):
msg = "The _name attribute %s is not valid." % name
_logger.error(msg)
raise except_orm('ValueError', msg)
POSTGRES_CONFDELTYPES = {
'RESTRICT': 'r',
'NO ACTION': 'a',
'CASCADE': 'c',
'SET NULL': 'n',
'SET DEFAULT': 'd',
}
def intersect(la, lb):
return filter(lambda x: x in lb, la)
def same_name(f, g):
""" Test whether functions ``f`` and ``g`` are identical or have the same name """
return f == g or getattr(f, '__name__', 0) == getattr(g, '__name__', 1)
def fix_import_export_id_paths(fieldname):
"""
Fixes the id fields in import and exports, and splits field paths
on '/'.
:param str fieldname: name of the field to import/export
:return: split field name
:rtype: list of str
"""
fixed_db_id = re.sub(r'([^/])\.id', r'\1/.id', fieldname)
fixed_external_id = re.sub(r'([^/]):id', r'\1/id', fixed_db_id)
return fixed_external_id.split('/')
def pg_varchar(size=0):
""" Returns the VARCHAR declaration for the provided size:
* If no size (or an empty or negative size is provided) return an
'infinite' VARCHAR
* Otherwise return a VARCHAR(n)
:type int size: varchar size, optional
:rtype: str
"""
if size:
if not isinstance(size, int):
raise TypeError("VARCHAR parameter should be an int, got %s"
% type(size))
if size > 0:
return 'VARCHAR(%d)' % size
return 'VARCHAR'
FIELDS_TO_PGTYPES = {
fields.boolean: 'bool',
fields.integer: 'int4',
fields.text: 'text',
fields.html: 'text',
fields.date: 'date',
fields.datetime: 'timestamp',
fields.binary: 'bytea',
fields.many2one: 'int4',
fields.serialized: 'text',
}
def get_pg_type(f, type_override=None):
"""
:param fields._column f: field to get a Postgres type for
:param type type_override: use the provided type for dispatching instead of the field's own type
:returns: (postgres_identification_type, postgres_type_specification)
:rtype: (str, str)
"""
field_type = type_override or type(f)
if field_type in FIELDS_TO_PGTYPES:
pg_type = (FIELDS_TO_PGTYPES[field_type], FIELDS_TO_PGTYPES[field_type])
elif issubclass(field_type, fields.float):
# Explicit support for "falsy" digits (0, False) to indicate a
# NUMERIC field with no fixed precision. The values will be saved
# in the database with all significant digits.
# FLOAT8 type is still the default when there is no precision because
# it is faster for most operations (sums, etc.)
if f.digits is not None:
pg_type = ('numeric', 'NUMERIC')
else:
pg_type = ('float8', 'DOUBLE PRECISION')
elif issubclass(field_type, (fields.char, fields.reference)):
pg_type = ('varchar', pg_varchar(f.size))
elif issubclass(field_type, fields.selection):
if (f.selection and isinstance(f.selection, list) and isinstance(f.selection[0][0], int))\
or getattr(f, 'size', None) == -1:
pg_type = ('int4', 'INTEGER')
else:
pg_type = ('varchar', pg_varchar(getattr(f, 'size', None)))
elif issubclass(field_type, fields.function):
if f._type == 'selection':
pg_type = ('varchar', pg_varchar())
else:
pg_type = get_pg_type(f, getattr(fields, f._type))
else:
_logger.warning('%s type not supported!', field_type)
pg_type = None
return pg_type
class MetaModel(api.Meta):
""" Metaclass for the models.
This class is used as the metaclass for the class :class:`BaseModel` to
discover the models defined in a module (without instantiating them).
If the automatic discovery is not needed, it is possible to set the model's
``_register`` attribute to False.
"""
module_to_models = {}
def __init__(self, name, bases, attrs):
if not self._register:
self._register = True
super(MetaModel, self).__init__(name, bases, attrs)
return
if not hasattr(self, '_module'):
# The (OpenERP) module name can be in the ``openerp.addons`` namespace
# or not. For instance, module ``sale`` can be imported as
# ``openerp.addons.sale`` (the right way) or ``sale`` (for backward
# compatibility).
module_parts = self.__module__.split('.')
if len(module_parts) > 2 and module_parts[:2] == ['openerp', 'addons']:
module_name = self.__module__.split('.')[2]
else:
module_name = self.__module__.split('.')[0]
self._module = module_name
# Remember which models to instanciate for this module.
if not self._custom:
self.module_to_models.setdefault(self._module, []).append(self)
# check for new-api conversion error: leave comma after field definition
for key, val in attrs.iteritems():
if type(val) is tuple and len(val) == 1 and isinstance(val[0], Field):
_logger.error("Trailing comma after field definition: %s.%s", self, key)
# transform columns into new-style fields (enables field inheritance)
for name, column in self._columns.iteritems():
if name in self.__dict__:
_logger.warning("In class %s, field %r overriding an existing value", self, name)
setattr(self, name, column.to_field())
class NewId(object):
""" Pseudo-ids for new records. """
def __nonzero__(self):
return False
IdType = (int, long, basestring, NewId)
# maximum number of prefetched records
PREFETCH_MAX = 200
# special columns automatically created by the ORM
LOG_ACCESS_COLUMNS = ['create_uid', 'create_date', 'write_uid', 'write_date']
MAGIC_COLUMNS = ['id'] + LOG_ACCESS_COLUMNS
class BaseModel(object):
""" Base class for OpenERP models.
OpenERP models are created by inheriting from this class' subclasses:
* :class:`Model` for regular database-persisted models
* :class:`TransientModel` for temporary data, stored in the database but
automatically vacuumed every so often
* :class:`AbstractModel` for abstract super classes meant to be shared by
multiple inheriting model
The system automatically instantiates every model once per database. Those
instances represent the available models on each database, and depend on
which modules are installed on that database. The actual class of each
instance is built from the Python classes that create and inherit from the
corresponding model.
Every model instance is a "recordset", i.e., an ordered collection of
records of the model. Recordsets are returned by methods like
:meth:`~.browse`, :meth:`~.search`, or field accesses. Records have no
explicit representation: a record is represented as a recordset of one
record.
To create a class that should not be instantiated, the _register class
attribute may be set to False.
"""
__metaclass__ = MetaModel
_auto = True # create database backend
_register = False # Set to false if the model shouldn't be automatically discovered.
_name = None
_columns = {}
_constraints = []
_custom = False
_defaults = {}
_rec_name = None
_parent_name = 'parent_id'
_parent_store = False
_parent_order = False
_date_name = 'date'
_order = 'id'
_sequence = None
_description = None
_needaction = False
_translate = True # set to False to disable translations export for this model
# dict of {field:method}, with method returning the (name_get of records, {id: fold})
# to include in the _read_group, if grouped on this field
_group_by_full = {}
# Transience
_transient = False # True in a TransientModel
# structure:
# { 'parent_model': 'm2o_field', ... }
_inherits = {}
# Mapping from inherits'd field name to triple (m, r, f, n) where m is the
# model from which it is inherits'd, r is the (local) field towards m, f
# is the _column object itself, and n is the original (i.e. top-most)
# parent model.
# Example:
# { 'field_name': ('parent_model', 'm2o_field_to_reach_parent',
# field_column_obj, origina_parent_model), ... }
_inherit_fields = {}
_table = None
_log_create = False
_sql_constraints = []
# model dependencies, for models backed up by sql views:
# {model_name: field_names, ...}
_depends = {}
CONCURRENCY_CHECK_FIELD = '__last_update'
def log(self, cr, uid, id, message, secondary=False, context=None):
return _logger.warning("log() is deprecated. Please use OpenChatter notification system instead of the res.log mechanism.")
def view_init(self, cr, uid, fields_list, context=None):
"""Override this method to do specific things when a view on the object is opened."""
pass
def _field_create(self, cr, context=None):
""" Create entries in ir_model_fields for all the model's fields.
If necessary, also create an entry in ir_model, and if called from the
modules loading scheme (by receiving 'module' in the context), also
create entries in ir_model_data (for the model and the fields).
- create an entry in ir_model (if there is not already one),
- create an entry in ir_model_data (if there is not already one, and if
'module' is in the context),
- update ir_model_fields with the fields found in _columns
(TODO there is some redundancy as _columns is updated from
ir_model_fields in __init__).
"""
if context is None:
context = {}
cr.execute("SELECT id FROM ir_model WHERE model=%s", (self._name,))
if not cr.rowcount:
cr.execute('SELECT nextval(%s)', ('ir_model_id_seq',))
model_id = cr.fetchone()[0]
cr.execute("INSERT INTO ir_model (id,model, name, info,state) VALUES (%s, %s, %s, %s, %s)", (model_id, self._name, self._description, self.__doc__, 'base'))
else:
model_id = cr.fetchone()[0]
if 'module' in context:
name_id = 'model_'+self._name.replace('.', '_')
cr.execute('select * from ir_model_data where name=%s and module=%s', (name_id, context['module']))
if not cr.rowcount:
cr.execute("INSERT INTO ir_model_data (name,date_init,date_update,module,model,res_id) VALUES (%s, (now() at time zone 'UTC'), (now() at time zone 'UTC'), %s, %s, %s)", \
(name_id, context['module'], 'ir.model', model_id)
)
cr.execute("SELECT * FROM ir_model_fields WHERE model=%s", (self._name,))
cols = {}
for rec in cr.dictfetchall():
cols[rec['name']] = rec
ir_model_fields_obj = self.pool.get('ir.model.fields')
# sparse field should be created at the end, as it depends on its serialized field already existing
model_fields = sorted(self._fields.items(), key=lambda x: 1 if x[1].type == 'sparse' else 0)
for (k, f) in model_fields:
vals = {
'model_id': model_id,
'model': self._name,
'name': k,
'field_description': f.string,
'ttype': f.type,
'relation': f.comodel_name or '',
'select_level': tools.ustr(int(f.index)),
'readonly': (f.readonly and 1) or 0,
'required': (f.required and 1) or 0,
'selectable': (f.search or f.store and 1) or 0,
'translate': (f.translate if hasattr(f,'translate') else False and 1) or 0,
'relation_field': f.inverse_name if hasattr(f, 'inverse_name') else '',
'serialization_field_id': None,
}
if getattr(f, 'serialization_field', None):
# resolve link to serialization_field if specified by name
serialization_field_id = ir_model_fields_obj.search(cr, SUPERUSER_ID, [('model','=',vals['model']), ('name', '=', f.serialization_field)])
if not serialization_field_id:
raise except_orm(_('Error'), _("Serialization field `%s` not found for sparse field `%s`!") % (f.serialization_field, k))
vals['serialization_field_id'] = serialization_field_id[0]
# When its a custom field,it does not contain f.select
if context.get('field_state', 'base') == 'manual':
if context.get('field_name', '') == k:
vals['select_level'] = context.get('select', '0')
#setting value to let the problem NOT occur next time
elif k in cols:
vals['select_level'] = cols[k]['select_level']
if k not in cols:
cr.execute('select nextval(%s)', ('ir_model_fields_id_seq',))
id = cr.fetchone()[0]
vals['id'] = id
cr.execute("""INSERT INTO ir_model_fields (
id, model_id, model, name, field_description, ttype,
relation,state,select_level,relation_field, translate, serialization_field_id
) VALUES (
%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s
)""", (
id, vals['model_id'], vals['model'], vals['name'], vals['field_description'], vals['ttype'],
vals['relation'], 'base',
vals['select_level'], vals['relation_field'], bool(vals['translate']), vals['serialization_field_id']
))
if 'module' in context:
name1 = 'field_' + self._table + '_' + k
cr.execute("select name from ir_model_data where name=%s", (name1,))
if cr.fetchone():
name1 = name1 + "_" + str(id)
cr.execute("INSERT INTO ir_model_data (name,date_init,date_update,module,model,res_id) VALUES (%s, (now() at time zone 'UTC'), (now() at time zone 'UTC'), %s, %s, %s)", \
(name1, context['module'], 'ir.model.fields', id)
)
else:
for key, val in vals.items():
if cols[k][key] != vals[key]:
cr.execute('update ir_model_fields set field_description=%s where model=%s and name=%s', (vals['field_description'], vals['model'], vals['name']))
cr.execute("""UPDATE ir_model_fields SET
model_id=%s, field_description=%s, ttype=%s, relation=%s,
select_level=%s, readonly=%s ,required=%s, selectable=%s, relation_field=%s, translate=%s, serialization_field_id=%s
WHERE
model=%s AND name=%s""", (
vals['model_id'], vals['field_description'], vals['ttype'],
vals['relation'],
vals['select_level'], bool(vals['readonly']), bool(vals['required']), bool(vals['selectable']), vals['relation_field'], bool(vals['translate']), vals['serialization_field_id'], vals['model'], vals['name']
))
break
self.invalidate_cache(cr, SUPERUSER_ID)
@classmethod
def _add_field(cls, name, field):
""" Add the given ``field`` under the given ``name`` in the class """
# add field as an attribute and in cls._fields (for reflection)
if not isinstance(getattr(cls, name, field), Field):
_logger.warning("In model %r, field %r overriding existing value", cls._name, name)
setattr(cls, name, field)
cls._fields[name] = field
# basic setup of field
field.set_class_name(cls, name)
# cls._columns will be updated once fields are set up
@classmethod
def _pop_field(cls, name):
""" Remove the field with the given ``name`` from the model.
This method should only be used for manual fields.
"""
field = cls._fields.pop(name)
cls._columns.pop(name, None)
if hasattr(cls, name):
delattr(cls, name)
return field
@classmethod
def _add_magic_fields(cls):
""" Introduce magic fields on the current class
* id is a "normal" field (with a specific getter)
* create_uid, create_date, write_uid and write_date have become
"normal" fields
* $CONCURRENCY_CHECK_FIELD is a computed field with its computing
method defined dynamically. Uses ``str(datetime.datetime.utcnow())``
to get the same structure as the previous
``(now() at time zone 'UTC')::timestamp``::
# select (now() at time zone 'UTC')::timestamp;
timezone
----------------------------
2013-06-18 08:30:37.292809
>>> str(datetime.datetime.utcnow())
'2013-06-18 08:31:32.821177'
"""
def add(name, field):
""" add ``field`` with the given ``name`` if it does not exist yet """
if name not in cls._fields:
cls._add_field(name, field)
# cyclic import
from . import fields
# this field 'id' must override any other column or field
cls._add_field('id', fields.Id(automatic=True))
add('display_name', fields.Char(string='Display Name', automatic=True,
compute='_compute_display_name'))
if cls._log_access:
add('create_uid', fields.Many2one('res.users', string='Created by', automatic=True))
add('create_date', fields.Datetime(string='Created on', automatic=True))
add('write_uid', fields.Many2one('res.users', string='Last Updated by', automatic=True))
add('write_date', fields.Datetime(string='Last Updated on', automatic=True))
last_modified_name = 'compute_concurrency_field_with_access'
else:
last_modified_name = 'compute_concurrency_field'
# this field must override any other column or field
cls._add_field(cls.CONCURRENCY_CHECK_FIELD, fields.Datetime(
string='Last Modified on', compute=last_modified_name, automatic=True))
@api.one
def compute_concurrency_field(self):
self[self.CONCURRENCY_CHECK_FIELD] = \
datetime.datetime.utcnow().strftime(DEFAULT_SERVER_DATETIME_FORMAT)
@api.one
@api.depends('create_date', 'write_date')
def compute_concurrency_field_with_access(self):
self[self.CONCURRENCY_CHECK_FIELD] = \
self.write_date or self.create_date or \
datetime.datetime.utcnow().strftime(DEFAULT_SERVER_DATETIME_FORMAT)
#
# Goal: try to apply inheritance at the instantiation level and
# put objects in the pool var
#
@classmethod
def _build_model(cls, pool, cr):
""" Instantiate a given model.
This class method instantiates the class of some model (i.e. a class
deriving from osv or osv_memory). The class might be the class passed
in argument or, if it inherits from another class, a class constructed
by combining the two classes.
"""
# The model's class inherits from cls and the classes of the inherited
# models. All those classes are combined in a flat hierarchy:
#
# Model the base class of all models
# / | \
# cls c2 c1 the classes defined in modules
# \ | /
# ModelClass the final class of the model
# / | \
# model recordset ... the class' instances
#
# The registry contains the instance ``model``. Its class, ``ModelClass``,
# carries inferred metadata that is shared between all the model's
# instances for this registry only. When we '_inherit' from another
# model, we do not inherit its ``ModelClass``, but this class' parents.
# This is a limitation of the inheritance mechanism.
# Keep links to non-inherited constraints in cls; this is useful for
# instance when exporting translations
cls._local_constraints = cls.__dict__.get('_constraints', [])
cls._local_sql_constraints = cls.__dict__.get('_sql_constraints', [])
# determine inherited models
parents = getattr(cls, '_inherit', [])
parents = [parents] if isinstance(parents, basestring) else (parents or [])
# determine the model's name
name = cls._name or (len(parents) == 1 and parents[0]) or cls.__name__
# determine the module that introduced the model
original_module = pool[name]._original_module if name in parents else cls._module
# determine all the classes the model should inherit from
bases = [cls]
hierarchy = cls
for parent in parents:
if parent not in pool:
raise TypeError('The model "%s" specifies an unexisting parent class "%s"\n'
'You may need to add a dependency on the parent class\' module.' % (name, parent))
parent_class = type(pool[parent])
bases += parent_class.__bases__
hierarchy = type(name, (hierarchy, parent_class), {'_register': False})
# order bases following the mro of class hierarchy
bases = [base for base in hierarchy.mro() if base in bases]
# determine the attributes of the model's class
inherits = {}
depends = {}
constraints = {}
sql_constraints = []
for base in reversed(bases):
inherits.update(base._inherits)
for mname, fnames in base._depends.iteritems():
depends[mname] = depends.get(mname, []) + fnames
for cons in base._constraints:
# cons may override a constraint with the same function name
constraints[getattr(cons[0], '__name__', id(cons[0]))] = cons
sql_constraints += base._sql_constraints
# build the actual class of the model
ModelClass = type(name, tuple(bases), {
'_name': name,
'_register': False,
'_columns': None, # recomputed in _setup_fields()
'_defaults': None, # recomputed in _setup_base()
'_fields': frozendict(), # idem
'_inherits': inherits,
'_depends': depends,
'_constraints': constraints.values(),
'_sql_constraints': sql_constraints,
'_original_module': original_module,
})
# instantiate the model, and initialize it
model = object.__new__(ModelClass)
model.__init__(pool, cr)
return model
@classmethod
def _init_function_fields(cls, pool, cr):
# initialize the list of non-stored function fields for this model
pool._pure_function_fields[cls._name] = []
# process store of low-level function fields
for fname, column in cls._columns.iteritems():
# filter out existing store about this field
pool._store_function[cls._name] = [
stored
for stored in pool._store_function.get(cls._name, [])
if (stored[0], stored[1]) != (cls._name, fname)
]
if not isinstance(column, fields.function):
continue
if not column.store:
# register it on the pool for invalidation
pool._pure_function_fields[cls._name].append(fname)
continue
# process store parameter
store = column.store
if store is True:
get_ids = lambda self, cr, uid, ids, c={}: ids
store = {cls._name: (get_ids, None, column.priority, None)}
for model, spec in store.iteritems():
if len(spec) == 4:
(fnct, fields2, order, length) = spec
elif len(spec) == 3:
(fnct, fields2, order) = spec
length = None
else:
raise except_orm('Error',
('Invalid function definition %s in object %s !\nYou must use the definition: store={object:(fnct, fields, priority, time length)}.' % (fname, cls._name)))
pool._store_function.setdefault(model, [])
t = (cls._name, fname, fnct, tuple(fields2) if fields2 else None, order, length)
if t not in pool._store_function[model]:
pool._store_function[model].append(t)
pool._store_function[model].sort(key=lambda x: x[4])
@classmethod
def _init_manual_fields(cls, cr, partial):
manual_fields = cls.pool.get_manual_fields(cr, cls._name)
for name, field in manual_fields.iteritems():
if name in cls._fields:
continue
attrs = {
'manual': True,
'string': field['field_description'],
'required': bool(field['required']),
'readonly': bool(field['readonly']),
}
# FIXME: ignore field['serialization_field_id']
if field['ttype'] in ('char', 'text', 'html'):
attrs['translate'] = bool(field['translate'])
attrs['size'] = field['size'] or None
elif field['ttype'] in ('selection', 'reference'):
attrs['selection'] = eval(field['selection'])
elif field['ttype'] == 'many2one':
if partial and field['relation'] not in cls.pool:
continue
attrs['comodel_name'] = field['relation']
attrs['ondelete'] = field['on_delete']
attrs['domain'] = eval(field['domain']) if field['domain'] else None
elif field['ttype'] == 'one2many':
if partial and not (
field['relation'] in cls.pool and (
field['relation_field'] in cls.pool[field['relation']]._fields or
field['relation_field'] in cls.pool.get_manual_fields(cr, field['relation'])
)):
continue
attrs['comodel_name'] = field['relation']
attrs['inverse_name'] = field['relation_field']
attrs['domain'] = eval(field['domain']) if field['domain'] else None
elif field['ttype'] == 'many2many':
if partial and field['relation'] not in cls.pool:
continue
attrs['comodel_name'] = field['relation']
_rel1 = field['relation'].replace('.', '_')
_rel2 = field['model'].replace('.', '_')
attrs['relation'] = 'x_%s_%s_%s_rel' % (_rel1, _rel2, name)
attrs['column1'] = 'id1'
attrs['column2'] = 'id2'
attrs['domain'] = eval(field['domain']) if field['domain'] else None
cls._add_field(name, Field.by_type[field['ttype']](**attrs))
@classmethod
def _init_constraints_onchanges(cls):
# store sql constraint error messages
for (key, _, msg) in cls._sql_constraints:
cls.pool._sql_error[cls._table + '_' + key] = msg
@property
def _constraint_methods(self):
""" Return a list of methods implementing Python constraints. """
def is_constraint(func):
return callable(func) and hasattr(func, '_constrains')
cls = type(self)
methods = []
for attr, func in getmembers(cls, is_constraint):
if not all(name in cls._fields for name in func._constrains):
_logger.warning("@constrains%r parameters must be field names", func._constrains)
methods.append(func)
# optimization: memoize result on cls, it will not be recomputed
cls._constraint_methods = methods
return methods
@property
def _onchange_methods(self):
""" Return a dictionary mapping field names to onchange methods. """
def is_onchange(func):
return callable(func) and hasattr(func, '_onchange')
cls = type(self)
methods = defaultdict(list)
for attr, func in getmembers(cls, is_onchange):
for name in func._onchange:
if name not in cls._fields:
_logger.warning("@onchange%r parameters must be field names", func._onchange)
methods[name].append(func)
# optimization: memoize result on cls, it will not be recomputed
cls._onchange_methods = methods
return methods
def __new__(cls):
# In the past, this method was registering the model class in the server.
# This job is now done entirely by the metaclass MetaModel.
#
# Do not create an instance here. Model instances are created by method
# _build_model().
return None
def __init__(self, pool, cr):
""" Initialize a model and make it part of the given registry.
- copy the stored fields' functions in the registry,
- retrieve custom fields and add them in the model,
- ensure there is a many2one for each _inherits'd parent,
- update the children's _columns,
- give a chance to each field to initialize itself.
"""
cls = type(self)
# link the class to the registry, and update the registry
cls.pool = pool
cls._model = self # backward compatibility
pool.add(cls._name, self)
# determine description, table, sequence and log_access
if not cls._description:
cls._description = cls._name
if not cls._table:
cls._table = cls._name.replace('.', '_')
if not cls._sequence:
cls._sequence = cls._table + '_id_seq'
if not hasattr(cls, '_log_access'):
# If _log_access is not specified, it is the same value as _auto.
cls._log_access = cls._auto
# Transience
if cls.is_transient():
cls._transient_check_count = 0
cls._transient_max_count = config.get('osv_memory_count_limit')
cls._transient_max_hours = config.get('osv_memory_age_limit')
assert cls._log_access, \
"TransientModels must have log_access turned on, " \
"in order to implement their access rights policy"
@api.model
@ormcache()
def _is_an_ordinary_table(self):
self.env.cr.execute("""\
SELECT 1
FROM pg_class
WHERE relname = %s
AND relkind = %s""", [self._table, 'r'])
return bool(self.env.cr.fetchone())
def __export_xml_id(self):
""" Return a valid xml_id for the record ``self``. """
if not self._is_an_ordinary_table():
raise Exception(
"You can not export the column ID of model %s, because the "
"table %s is not an ordinary table."
% (self._name, self._table))
ir_model_data = self.sudo().env['ir.model.data']
data = ir_model_data.search([('model', '=', self._name), ('res_id', '=', self.id)])
if data:
if data[0].module:
return '%s.%s' % (data[0].module, data[0].name)
else:
return data[0].name
else:
postfix = 0
name = '%s_%s' % (self._table, self.id)
while ir_model_data.search([('module', '=', '__export__'), ('name', '=', name)]):
postfix += 1
name = '%s_%s_%s' % (self._table, self.id, postfix)
ir_model_data.create({
'model': self._name,
'res_id': self.id,
'module': '__export__',
'name': name,
})
return '__export__.' + name
@api.multi
def __export_rows(self, fields):
""" Export fields of the records in ``self``.
:param fields: list of lists of fields to traverse
:return: list of lists of corresponding values
"""
lines = []
for record in self:
# main line of record, initially empty
current = [''] * len(fields)
lines.append(current)
# list of primary fields followed by secondary field(s)
primary_done = []
# process column by column
for i, path in enumerate(fields):
if not path:
continue
name = path[0]
if name in primary_done:
continue
if name == '.id':
current[i] = str(record.id)
elif name == 'id':
current[i] = record.__export_xml_id()
else:
field = record._fields[name]
value = record[name]
# this part could be simpler, but it has to be done this way
# in order to reproduce the former behavior
if not isinstance(value, BaseModel):
current[i] = field.convert_to_export(value, self.env)
else:
primary_done.append(name)
# This is a special case, its strange behavior is intended!
if field.type == 'many2many' and len(path) > 1 and path[1] == 'id':
xml_ids = [r.__export_xml_id() for r in value]
current[i] = ','.join(xml_ids) or False
continue
# recursively export the fields that follow name
fields2 = [(p[1:] if p and p[0] == name else []) for p in fields]
lines2 = value.__export_rows(fields2)
if lines2:
# merge first line with record's main line
for j, val in enumerate(lines2[0]):
if val:
current[j] = val
# check value of current field
if not current[i]:
# assign xml_ids, and forget about remaining lines
xml_ids = [item[1] for item in value.name_get()]
current[i] = ','.join(xml_ids)
else:
# append the other lines at the end
lines += lines2[1:]
else:
current[i] = False
return lines
@api.multi
def export_data(self, fields_to_export, raw_data=False):
""" Export fields for selected objects
:param fields_to_export: list of fields
:param raw_data: True to return value in native Python type
:rtype: dictionary with a *datas* matrix
This method is used when exporting data via client menu
"""
fields_to_export = map(fix_import_export_id_paths, fields_to_export)
if raw_data:
self = self.with_context(export_raw_data=True)
return {'datas': self.__export_rows(fields_to_export)}
def import_data(self, cr, uid, fields, datas, mode='init', current_module='', noupdate=False, context=None, filename=None):
"""
.. deprecated:: 7.0
Use :meth:`~load` instead
Import given data in given module
This method is used when importing data via client menu.
Example of fields to import for a sale.order::
.id, (=database_id)
partner_id, (=name_search)
order_line/.id, (=database_id)
order_line/name,
order_line/product_id/id, (=xml id)
order_line/price_unit,
order_line/product_uom_qty,
order_line/product_uom/id (=xml_id)
This method returns a 4-tuple with the following structure::
(return_code, errored_resource, error_message, unused)
* The first item is a return code, it is ``-1`` in case of
import error, or the last imported row number in case of success
* The second item contains the record data dict that failed to import
in case of error, otherwise it's 0
* The third item contains an error message string in case of error,
otherwise it's 0
* The last item is currently unused, with no specific semantics
:param fields: list of fields to import
:param datas: data to import
:param mode: 'init' or 'update' for record creation
:param current_module: module name
:param noupdate: flag for record creation
:param filename: optional file to store partial import state for recovery
:returns: 4-tuple in the form (return_code, errored_resource, error_message, unused)
:rtype: (int, dict or 0, str or 0, str or 0)
"""
context = dict(context) if context is not None else {}
context['_import_current_module'] = current_module
fields = map(fix_import_export_id_paths, fields)
ir_model_data_obj = self.pool.get('ir.model.data')
def log(m):
if m['type'] == 'error':
raise Exception(m['message'])
if config.get('import_partial') and filename:
with open(config.get('import_partial'), 'rb') as partial_import_file:
data = pickle.load(partial_import_file)
position = data.get(filename, 0)
position = 0
try:
for res_id, xml_id, res, info in self._convert_records(cr, uid,
self._extract_records(cr, uid, fields, datas,
context=context, log=log),
context=context, log=log):
ir_model_data_obj._update(cr, uid, self._name,
current_module, res, mode=mode, xml_id=xml_id,
noupdate=noupdate, res_id=res_id, context=context)
position = info.get('rows', {}).get('to', 0) + 1
if config.get('import_partial') and filename and (not (position%100)):
with open(config.get('import_partial'), 'rb') as partial_import:
data = pickle.load(partial_import)
data[filename] = position
with open(config.get('import_partial'), 'wb') as partial_import:
pickle.dump(data, partial_import)
if context.get('defer_parent_store_computation'):
self._parent_store_compute(cr)
cr.commit()
except Exception, e:
cr.rollback()
return -1, {}, 'Line %d : %s' % (position + 1, tools.ustr(e)), ''
if context.get('defer_parent_store_computation'):
self._parent_store_compute(cr)
return position, 0, 0, 0
def load(self, cr, uid, fields, data, context=None):
"""
Attempts to load the data matrix, and returns a list of ids (or
``False`` if there was an error and no id could be generated) and a
list of messages.
The ids are those of the records created and saved (in database), in
the same order they were extracted from the file. They can be passed
directly to :meth:`~read`
:param fields: list of fields to import, at the same index as the corresponding data
:type fields: list(str)
:param data: row-major matrix of data to import
:type data: list(list(str))
:param dict context:
:returns: {ids: list(int)|False, messages: [Message]}
"""
cr.execute('SAVEPOINT model_load')
messages = []
fields = map(fix_import_export_id_paths, fields)
ModelData = self.pool['ir.model.data'].clear_caches()
fg = self.fields_get(cr, uid, context=context)
mode = 'init'
current_module = ''
noupdate = False
ids = []
for id, xid, record, info in self._convert_records(cr, uid,
self._extract_records(cr, uid, fields, data,
context=context, log=messages.append),
context=context, log=messages.append):
try:
cr.execute('SAVEPOINT model_load_save')
except psycopg2.InternalError, e:
# broken transaction, exit and hope the source error was
# already logged
if not any(message['type'] == 'error' for message in messages):
messages.append(dict(info, type='error',message=
u"Unknown database error: '%s'" % e))
break
try:
ids.append(ModelData._update(cr, uid, self._name,
current_module, record, mode=mode, xml_id=xid,
noupdate=noupdate, res_id=id, context=context))
cr.execute('RELEASE SAVEPOINT model_load_save')
except psycopg2.Warning, e:
messages.append(dict(info, type='warning', message=str(e)))
cr.execute('ROLLBACK TO SAVEPOINT model_load_save')
except psycopg2.Error, e:
messages.append(dict(
info, type='error',
**PGERROR_TO_OE[e.pgcode](self, fg, info, e)))
# Failed to write, log to messages, rollback savepoint (to
# avoid broken transaction) and keep going
cr.execute('ROLLBACK TO SAVEPOINT model_load_save')
except Exception, e:
message = (_('Unknown error during import:') +
' %s: %s' % (type(e), unicode(e)))
moreinfo = _('Resolve other errors first')
messages.append(dict(info, type='error',
message=message,
moreinfo=moreinfo))
# Failed for some reason, perhaps due to invalid data supplied,
# rollback savepoint and keep going
cr.execute('ROLLBACK TO SAVEPOINT model_load_save')
if any(message['type'] == 'error' for message in messages):
cr.execute('ROLLBACK TO SAVEPOINT model_load')
ids = False
return {'ids': ids, 'messages': messages}
def _add_fake_fields(self, cr, uid, fields, context=None):
from openerp.fields import Char, Integer
fields[None] = Char('rec_name')
fields['id'] = Char('External ID')
fields['.id'] = Integer('Database ID')
return fields
def _extract_records(self, cr, uid, fields_, data,
context=None, log=lambda a: None):
""" Generates record dicts from the data sequence.
The result is a generator of dicts mapping field names to raw
(unconverted, unvalidated) values.
For relational fields, if sub-fields were provided the value will be
a list of sub-records
The following sub-fields may be set on the record (by key):
* None is the name_get for the record (to use with name_create/name_search)
* "id" is the External ID for the record
* ".id" is the Database ID for the record
"""
fields = dict(self._fields)
# Fake fields to avoid special cases in extractor
fields = self._add_fake_fields(cr, uid, fields, context=context)
# m2o fields can't be on multiple lines so exclude them from the
# is_relational field rows filter, but special-case it later on to
# be handled with relational fields (as it can have subfields)
is_relational = lambda field: fields[field].relational
get_o2m_values = itemgetter_tuple(
[index for index, field in enumerate(fields_)
if fields[field[0]].type == 'one2many'])
get_nono2m_values = itemgetter_tuple(
[index for index, field in enumerate(fields_)
if fields[field[0]].type != 'one2many'])
# Checks if the provided row has any non-empty non-relational field
def only_o2m_values(row, f=get_nono2m_values, g=get_o2m_values):
return any(g(row)) and not any(f(row))
index = 0
while True:
if index >= len(data): return
row = data[index]
# copy non-relational fields to record dict
record = dict((field[0], value)
for field, value in itertools.izip(fields_, row)
if not is_relational(field[0]))
# Get all following rows which have relational values attached to
# the current record (no non-relational values)
record_span = itertools.takewhile(
only_o2m_values, itertools.islice(data, index + 1, None))
# stitch record row back on for relational fields
record_span = list(itertools.chain([row], record_span))
for relfield in set(
field[0] for field in fields_
if is_relational(field[0])):
# FIXME: how to not use _obj without relying on fields_get?
Model = self.pool[fields[relfield].comodel_name]
# get only cells for this sub-field, should be strictly
# non-empty, field path [None] is for name_get field
indices, subfields = zip(*((index, field[1:] or [None])
for index, field in enumerate(fields_)
if field[0] == relfield))
# return all rows which have at least one value for the
# subfields of relfield
relfield_data = filter(any, map(itemgetter_tuple(indices), record_span))
record[relfield] = [subrecord
for subrecord, _subinfo in Model._extract_records(
cr, uid, subfields, relfield_data,
context=context, log=log)]
yield record, {'rows': {
'from': index,
'to': index + len(record_span) - 1
}}
index += len(record_span)
def _convert_records(self, cr, uid, records,
context=None, log=lambda a: None):
""" Converts records from the source iterable (recursive dicts of
strings) into forms which can be written to the database (via
self.create or (ir.model.data)._update)
:returns: a list of triplets of (id, xid, record)
:rtype: list((int|None, str|None, dict))
"""
if context is None: context = {}
Converter = self.pool['ir.fields.converter']
Translation = self.pool['ir.translation']
fields = dict(self._fields)
field_names = dict(
(f, (Translation._get_source(cr, uid, self._name + ',' + f, 'field',
context.get('lang'))
or field.string))
for f, field in fields.iteritems())
convert = Converter.for_model(cr, uid, self, context=context)
def _log(base, field, exception):
type = 'warning' if isinstance(exception, Warning) else 'error'
# logs the logical (not human-readable) field name for automated
# processing of response, but injects human readable in message
record = dict(base, type=type, field=field,
message=unicode(exception.args[0]) % base)
if len(exception.args) > 1 and exception.args[1]:
record.update(exception.args[1])
log(record)
stream = CountingStream(records)
for record, extras in stream:
dbid = False
xid = False
# name_get/name_create
if None in record: pass
# xid
if 'id' in record:
xid = record['id']
# dbid
if '.id' in record:
try:
dbid = int(record['.id'])
except ValueError:
# in case of overridden id column
dbid = record['.id']
if not self.search(cr, uid, [('id', '=', dbid)], context=context):
log(dict(extras,
type='error',
record=stream.index,
field='.id',
message=_(u"Unknown database identifier '%s'") % dbid))
dbid = False
converted = convert(record, lambda field, err:\
_log(dict(extras, record=stream.index, field=field_names[field]), field, err))
yield dbid, xid, converted, dict(extras, record=stream.index)
@api.multi
def _validate_fields(self, field_names):
field_names = set(field_names)
# old-style constraint methods
trans = self.env['ir.translation']
cr, uid, context = self.env.args
ids = self.ids
errors = []
for fun, msg, names in self._constraints:
try:
# validation must be context-independent; call ``fun`` without context
valid = names and not (set(names) & field_names)
valid = valid or fun(self._model, cr, uid, ids)
extra_error = None
except Exception, e:
_logger.debug('Exception while validating constraint', exc_info=True)
valid = False
extra_error = tools.ustr(e)
if not valid:
if callable(msg):
res_msg = msg(self._model, cr, uid, ids, context=context)
if isinstance(res_msg, tuple):
template, params = res_msg
res_msg = template % params
else:
res_msg = trans._get_source(self._name, 'constraint', self.env.lang, msg)
if extra_error:
res_msg += "\n\n%s\n%s" % (_('Error details:'), extra_error)
errors.append(
_("Field(s) `%s` failed against a constraint: %s") %
(', '.join(names), res_msg)
)
if errors:
raise ValidationError('\n'.join(errors))
# new-style constraint methods
for check in self._constraint_methods:
if set(check._constrains) & field_names:
try:
check(self)
except ValidationError, e:
raise
except Exception, e:
raise ValidationError("Error while validating constraint\n\n%s" % tools.ustr(e))
@api.model
def default_get(self, fields_list):
""" default_get(fields) -> default_values
Return default values for the fields in ``fields_list``. Default
values are determined by the context, user defaults, and the model
itself.
:param fields_list: a list of field names
:return: a dictionary mapping each field name to its corresponding
default value, if it has one.
"""
# trigger view init hook
self.view_init(fields_list)
defaults = {}
parent_fields = defaultdict(list)
for name in fields_list:
# 1. look up context
key = 'default_' + name
if key in self._context:
defaults[name] = self._context[key]
continue
# 2. look up ir_values
# Note: performance is good, because get_defaults_dict is cached!
ir_values_dict = self.env['ir.values'].get_defaults_dict(self._name)
if name in ir_values_dict:
defaults[name] = ir_values_dict[name]
continue
field = self._fields.get(name)
# 3. look up property fields
# TODO: get rid of this one
if field and field.company_dependent:
defaults[name] = self.env['ir.property'].get(name, self._name)
continue
# 4. look up field.default
if field and field.default:
defaults[name] = field.default(self)
continue
# 5. delegate to parent model
if field and field.inherited:
field = field.related_field
parent_fields[field.model_name].append(field.name)
# convert default values to the right format
defaults = self._convert_to_cache(defaults, validate=False)
defaults = self._convert_to_write(defaults)
# add default values for inherited fields
for model, names in parent_fields.iteritems():
defaults.update(self.env[model].default_get(names))
return defaults
def fields_get_keys(self, cr, user, context=None):
res = self._columns.keys()
# TODO I believe this loop can be replace by
# res.extend(self._inherit_fields.key())
for parent in self._inherits:
res.extend(self.pool[parent].fields_get_keys(cr, user, context))
return res
def _rec_name_fallback(self, cr, uid, context=None):
rec_name = self._rec_name
if rec_name not in self._columns:
rec_name = self._columns.keys()[0] if len(self._columns.keys()) > 0 else "id"
return rec_name
#
# Overload this method if you need a window title which depends on the context
#
def view_header_get(self, cr, user, view_id=None, view_type='form', context=None):
return False
def user_has_groups(self, cr, uid, groups, context=None):
"""Return true if the user is at least member of one of the groups
in groups_str. Typically used to resolve ``groups`` attribute
in view and model definitions.
:param str groups: comma-separated list of fully-qualified group
external IDs, e.g.: ``base.group_user,base.group_system``
:return: True if the current user is a member of one of the
given groups
"""
return any(self.pool['res.users'].has_group(cr, uid, group_ext_id)
for group_ext_id in groups.split(','))
def _get_default_form_view(self, cr, user, context=None):
""" Generates a default single-line form view using all fields
of the current model except the m2m and o2m ones.
:param cr: database cursor
:param int user: user id
:param dict context: connection context
:returns: a form view as an lxml document
:rtype: etree._Element
"""
view = etree.Element('form', string=self._description)
group = etree.SubElement(view, 'group', col="4")
for fname, field in self._fields.iteritems():
if field.automatic or field.type in ('one2many', 'many2many'):
continue
etree.SubElement(group, 'field', name=fname)
if field.type == 'text':
etree.SubElement(group, 'newline')
return view
def _get_default_search_view(self, cr, user, context=None):
""" Generates a single-field search view, based on _rec_name.
:param cr: database cursor
:param int user: user id
:param dict context: connection context
:returns: a tree view as an lxml document
:rtype: etree._Element
"""
view = etree.Element('search', string=self._description)
etree.SubElement(view, 'field', name=self._rec_name_fallback(cr, user, context))
return view
def _get_default_tree_view(self, cr, user, context=None):
""" Generates a single-field tree view, based on _rec_name.
:param cr: database cursor
:param int user: user id
:param dict context: connection context
:returns: a tree view as an lxml document
:rtype: etree._Element
"""
view = etree.Element('tree', string=self._description)
etree.SubElement(view, 'field', name=self._rec_name_fallback(cr, user, context))
return view
def _get_default_calendar_view(self, cr, user, context=None):
""" Generates a default calendar view by trying to infer
calendar fields from a number of pre-set attribute names
:param cr: database cursor
:param int user: user id
:param dict context: connection context
:returns: a calendar view
:rtype: etree._Element
"""
def set_first_of(seq, in_, to):
"""Sets the first value of ``seq`` also found in ``in_`` to
the ``to`` attribute of the view being closed over.
Returns whether it's found a suitable value (and set it on
the attribute) or not
"""
for item in seq:
if item in in_:
view.set(to, item)
return True
return False
view = etree.Element('calendar', string=self._description)
etree.SubElement(view, 'field', name=self._rec_name_fallback(cr, user, context))
if self._date_name not in self._columns:
date_found = False
for dt in ['date', 'date_start', 'x_date', 'x_date_start']:
if dt in self._columns:
self._date_name = dt
date_found = True
break
if not date_found:
raise except_orm(_('Invalid Object Architecture!'), _("Insufficient fields for Calendar View!"))
view.set('date_start', self._date_name)
set_first_of(["user_id", "partner_id", "x_user_id", "x_partner_id"],
self._columns, 'color')
if not set_first_of(["date_stop", "date_end", "x_date_stop", "x_date_end"],
self._columns, 'date_stop'):
if not set_first_of(["date_delay", "planned_hours", "x_date_delay", "x_planned_hours"],
self._columns, 'date_delay'):
raise except_orm(
_('Invalid Object Architecture!'),
_("Insufficient fields to generate a Calendar View for %s, missing a date_stop or a date_delay" % self._name))
return view
def fields_view_get(self, cr, uid, view_id=None, view_type='form', context=None, toolbar=False, submenu=False):
""" fields_view_get([view_id | view_type='form'])
Get the detailed composition of the requested view like fields, model, view architecture
:param view_id: id of the view or None
:param view_type: type of the view to return if view_id is None ('form', 'tree', ...)
:param toolbar: true to include contextual actions
:param submenu: deprecated
:return: dictionary describing the composition of the requested view (including inherited views and extensions)
:raise AttributeError:
* if the inherited view has unknown position to work with other than 'before', 'after', 'inside', 'replace'
* if some tag other than 'position' is found in parent view
:raise Invalid ArchitectureError: if there is view type other than form, tree, calendar, search etc defined on the structure
"""
if context is None:
context = {}
View = self.pool['ir.ui.view']
result = {
'model': self._name,
'field_parent': False,
}
# try to find a view_id if none provided
if not view_id:
# <view_type>_view_ref in context can be used to overrride the default view
view_ref_key = view_type + '_view_ref'
view_ref = context.get(view_ref_key)
if view_ref:
if '.' in view_ref:
module, view_ref = view_ref.split('.', 1)
cr.execute("SELECT res_id FROM ir_model_data WHERE model='ir.ui.view' AND module=%s AND name=%s", (module, view_ref))
view_ref_res = cr.fetchone()
if view_ref_res:
view_id = view_ref_res[0]
else:
_logger.warning('%r requires a fully-qualified external id (got: %r for model %s). '
'Please use the complete `module.view_id` form instead.', view_ref_key, view_ref,
self._name)
if not view_id:
# otherwise try to find the lowest priority matching ir.ui.view
view_id = View.default_view(cr, uid, self._name, view_type, context=context)
# context for post-processing might be overriden
ctx = context
if view_id:
# read the view with inherited views applied
root_view = View.read_combined(cr, uid, view_id, fields=['id', 'name', 'field_parent', 'type', 'model', 'arch'], context=context)
result['arch'] = root_view['arch']
result['name'] = root_view['name']
result['type'] = root_view['type']
result['view_id'] = root_view['id']
result['field_parent'] = root_view['field_parent']
# override context from postprocessing
if root_view.get('model') != self._name:
ctx = dict(context, base_model_name=root_view.get('model'))
else:
# fallback on default views methods if no ir.ui.view could be found
try:
get_func = getattr(self, '_get_default_%s_view' % view_type)
arch_etree = get_func(cr, uid, context)
result['arch'] = etree.tostring(arch_etree, encoding='utf-8')
result['type'] = view_type
result['name'] = 'default'
except AttributeError:
raise except_orm(_('Invalid Architecture!'), _("No default view of type '%s' could be found !") % view_type)
# Apply post processing, groups and modifiers etc...
xarch, xfields = View.postprocess_and_fields(cr, uid, self._name, etree.fromstring(result['arch']), view_id, context=ctx)
result['arch'] = xarch
result['fields'] = xfields
# Add related action information if aksed
if toolbar:
toclean = ('report_sxw_content', 'report_rml_content', 'report_sxw', 'report_rml', 'report_sxw_content_data', 'report_rml_content_data')
def clean(x):
x = x[2]
for key in toclean:
x.pop(key, None)
return x
ir_values_obj = self.pool.get('ir.values')
resprint = ir_values_obj.get(cr, uid, 'action', 'client_print_multi', [(self._name, False)], False, context)
resaction = ir_values_obj.get(cr, uid, 'action', 'client_action_multi', [(self._name, False)], False, context)
resrelate = ir_values_obj.get(cr, uid, 'action', 'client_action_relate', [(self._name, False)], False, context)
resaction = [clean(action) for action in resaction if view_type == 'tree' or not action[2].get('multi')]
resprint = [clean(print_) for print_ in resprint if view_type == 'tree' or not print_[2].get('multi')]
#When multi="True" set it will display only in More of the list view
resrelate = [clean(action) for action in resrelate
if (action[2].get('multi') and view_type == 'tree') or (not action[2].get('multi') and view_type == 'form')]
for x in itertools.chain(resprint, resaction, resrelate):
x['string'] = x['name']
result['toolbar'] = {
'print': resprint,
'action': resaction,
'relate': resrelate
}
return result
def get_formview_id(self, cr, uid, id, context=None):
""" Return an view id to open the document with. This method is meant to be
overridden in addons that want to give specific view ids for example.
:param int id: id of the document to open
"""
return False
def get_formview_action(self, cr, uid, id, context=None):
""" Return an action to open the document. This method is meant to be
overridden in addons that want to give specific view ids for example.
:param int id: id of the document to open
"""
view_id = self.get_formview_id(cr, uid, id, context=context)
return {
'type': 'ir.actions.act_window',
'res_model': self._name,
'view_type': 'form',
'view_mode': 'form',
'views': [(view_id, 'form')],
'target': 'current',
'res_id': id,
'context': context,
}
def get_access_action(self, cr, uid, id, context=None):
""" Return an action to open the document. This method is meant to be
overridden in addons that want to give specific access to the document.
By default it opens the formview of the document.
:param int id: id of the document to open
"""
return self.get_formview_action(cr, uid, id, context=context)
def _view_look_dom_arch(self, cr, uid, node, view_id, context=None):
return self.pool['ir.ui.view'].postprocess_and_fields(
cr, uid, self._name, node, view_id, context=context)
def search_count(self, cr, user, args, context=None):
""" search_count(args) -> int
Returns the number of records in the current model matching :ref:`the
provided domain <reference/orm/domains>`.
"""
res = self.search(cr, user, args, context=context, count=True)
if isinstance(res, list):
return len(res)
return res
@api.returns('self',
upgrade=lambda self, value, args, offset=0, limit=None, order=None, count=False: value if count else self.browse(value),
downgrade=lambda self, value, args, offset=0, limit=None, order=None, count=False: value if count else value.ids)
def search(self, cr, user, args, offset=0, limit=None, order=None, context=None, count=False):
""" search(args[, offset=0][, limit=None][, order=None][, count=False])
Searches for records based on the ``args``
:ref:`search domain <reference/orm/domains>`.
:param args: :ref:`A search domain <reference/orm/domains>`. Use an empty
list to match all records.
:param int offset: number of results to ignore (default: none)
:param int limit: maximum number of records to return (default: all)
:param str order: sort string
:param bool count: if True, only counts and returns the number of matching records (default: False)
:returns: at most ``limit`` records matching the search criteria
:raise AccessError: * if user tries to bypass access rules for read on the requested object.
"""
return self._search(cr, user, args, offset=offset, limit=limit, order=order, context=context, count=count)
#
# display_name, name_get, name_create, name_search
#
@api.depends(lambda self: (self._rec_name,) if self._rec_name else ())
def _compute_display_name(self):
names = dict(self.name_get())
for record in self:
record.display_name = names.get(record.id, False)
@api.multi
def name_get(self):
""" name_get() -> [(id, name), ...]
Returns a textual representation for the records in ``self``.
By default this is the value of the ``display_name`` field.
:return: list of pairs ``(id, text_repr)`` for each records
:rtype: list(tuple)
"""
result = []
name = self._rec_name
if name in self._fields:
convert = self._fields[name].convert_to_display_name
for record in self:
result.append((record.id, convert(record[name], record)))
else:
for record in self:
result.append((record.id, "%s,%s" % (record._name, record.id)))
return result
@api.model
def name_create(self, name):
""" name_create(name) -> record
Create a new record by calling :meth:`~.create` with only one value
provided: the display name of the new record.
The new record will be initialized with any default values
applicable to this model, or provided through the context. The usual
behavior of :meth:`~.create` applies.
:param name: display name of the record to create
:rtype: tuple
:return: the :meth:`~.name_get` pair value of the created record
"""
if self._rec_name:
record = self.create({self._rec_name: name})
return record.name_get()[0]
else:
_logger.warning("Cannot execute name_create, no _rec_name defined on %s", self._name)
return False
@api.model
def name_search(self, name='', args=None, operator='ilike', limit=100):
""" name_search(name='', args=None, operator='ilike', limit=100) -> records
Search for records that have a display name matching the given
``name`` pattern when compared with the given ``operator``, while also
matching the optional search domain (``args``).
This is used for example to provide suggestions based on a partial
value for a relational field. Sometimes be seen as the inverse
function of :meth:`~.name_get`, but it is not guaranteed to be.
This method is equivalent to calling :meth:`~.search` with a search
domain based on ``display_name`` and then :meth:`~.name_get` on the
result of the search.
:param str name: the name pattern to match
:param list args: optional search domain (see :meth:`~.search` for
syntax), specifying further restrictions
:param str operator: domain operator for matching ``name``, such as
``'like'`` or ``'='``.
:param int limit: optional max number of records to return
:rtype: list
:return: list of pairs ``(id, text_repr)`` for all matching records.
"""
return self._name_search(name, args, operator, limit=limit)
def _name_search(self, cr, user, name='', args=None, operator='ilike', context=None, limit=100, name_get_uid=None):
# private implementation of name_search, allows passing a dedicated user
# for the name_get part to solve some access rights issues
args = list(args or [])
# optimize out the default criterion of ``ilike ''`` that matches everything
if not self._rec_name:
_logger.warning("Cannot execute name_search, no _rec_name defined on %s", self._name)
elif not (name == '' and operator == 'ilike'):
args += [(self._rec_name, operator, name)]
access_rights_uid = name_get_uid or user
ids = self._search(cr, user, args, limit=limit, context=context, access_rights_uid=access_rights_uid)
res = self.name_get(cr, access_rights_uid, ids, context)
return res
def read_string(self, cr, uid, id, langs, fields=None, context=None):
res = {}
res2 = {}
self.pool.get('ir.translation').check_access_rights(cr, uid, 'read')
if not fields:
fields = self._columns.keys() + self._inherit_fields.keys()
#FIXME: collect all calls to _get_source into one SQL call.
for lang in langs:
res[lang] = {'code': lang}
for f in fields:
if f in self._columns:
res_trans = self.pool.get('ir.translation')._get_source(cr, uid, self._name+','+f, 'field', lang)
if res_trans:
res[lang][f] = res_trans
else:
res[lang][f] = self._columns[f].string
for table in self._inherits:
cols = intersect(self._inherit_fields.keys(), fields)
res2 = self.pool[table].read_string(cr, uid, id, langs, cols, context)
for lang in res2:
if lang in res:
res[lang]['code'] = lang
for f in res2[lang]:
res[lang][f] = res2[lang][f]
return res
def write_string(self, cr, uid, id, langs, vals, context=None):
self.pool.get('ir.translation').check_access_rights(cr, uid, 'write')
#FIXME: try to only call the translation in one SQL
for lang in langs:
for field in vals:
if field in self._columns:
src = self._columns[field].string
self.pool.get('ir.translation')._set_ids(cr, uid, self._name+','+field, 'field', lang, [0], vals[field], src)
for table in self._inherits:
cols = intersect(self._inherit_fields.keys(), vals)
if cols:
self.pool[table].write_string(cr, uid, id, langs, vals, context)
return True
def _add_missing_default_values(self, cr, uid, values, context=None):
# avoid overriding inherited values when parent is set
avoid_tables = []
for tables, parent_field in self._inherits.items():
if parent_field in values:
avoid_tables.append(tables)
# compute missing fields
missing_defaults = set()
for field in self._columns.keys():
if not field in values:
missing_defaults.add(field)
for field in self._inherit_fields.keys():
if (field not in values) and (self._inherit_fields[field][0] not in avoid_tables):
missing_defaults.add(field)
# discard magic fields
missing_defaults -= set(MAGIC_COLUMNS)
if missing_defaults:
# override defaults with the provided values, never allow the other way around
defaults = self.default_get(cr, uid, list(missing_defaults), context)
for dv in defaults:
if ((dv in self._columns and self._columns[dv]._type == 'many2many') \
or (dv in self._inherit_fields and self._inherit_fields[dv][2]._type == 'many2many')) \
and defaults[dv] and isinstance(defaults[dv][0], (int, long)):
defaults[dv] = [(6, 0, defaults[dv])]
if (dv in self._columns and self._columns[dv]._type == 'one2many' \
or (dv in self._inherit_fields and self._inherit_fields[dv][2]._type == 'one2many')) \
and isinstance(defaults[dv], (list, tuple)) and defaults[dv] and isinstance(defaults[dv][0], dict):
defaults[dv] = [(0, 0, x) for x in defaults[dv]]
defaults.update(values)
values = defaults
return values
def clear_caches(self):
""" Clear the caches
This clears the caches associated to methods decorated with
``tools.ormcache`` or ``tools.ormcache_multi``.
"""
try:
self.pool.cache.clear_prefix((self._name,))
self.pool._any_cache_cleared = True
except AttributeError:
pass
def _read_group_fill_results(self, cr, uid, domain, groupby, remaining_groupbys,
aggregated_fields, count_field,
read_group_result, read_group_order=None, context=None):
"""Helper method for filling in empty groups for all possible values of
the field being grouped by"""
# self._group_by_full should map groupable fields to a method that returns
# a list of all aggregated values that we want to display for this field,
# in the form of a m2o-like pair (key,label).
# This is useful to implement kanban views for instance, where all columns
# should be displayed even if they don't contain any record.
# Grab the list of all groups that should be displayed, including all present groups
present_group_ids = [x[groupby][0] for x in read_group_result if x[groupby]]
all_groups,folded = self._group_by_full[groupby](self, cr, uid, present_group_ids, domain,
read_group_order=read_group_order,
access_rights_uid=openerp.SUPERUSER_ID,
context=context)
result_template = dict.fromkeys(aggregated_fields, False)
result_template[groupby + '_count'] = 0
if remaining_groupbys:
result_template['__context'] = {'group_by': remaining_groupbys}
# Merge the left_side (current results as dicts) with the right_side (all
# possible values as m2o pairs). Both lists are supposed to be using the
# same ordering, and can be merged in one pass.
result = []
known_values = {}
def append_left(left_side):
grouped_value = left_side[groupby] and left_side[groupby][0]
if not grouped_value in known_values:
result.append(left_side)
known_values[grouped_value] = left_side
else:
known_values[grouped_value].update({count_field: left_side[count_field]})
def append_right(right_side):
grouped_value = right_side[0]
if not grouped_value in known_values:
line = dict(result_template)
line[groupby] = right_side
line['__domain'] = [(groupby,'=',grouped_value)] + domain
result.append(line)
known_values[grouped_value] = line
while read_group_result or all_groups:
left_side = read_group_result[0] if read_group_result else None
right_side = all_groups[0] if all_groups else None
assert left_side is None or left_side[groupby] is False \
or isinstance(left_side[groupby], (tuple,list)), \
'M2O-like pair expected, got %r' % left_side[groupby]
assert right_side is None or isinstance(right_side, (tuple,list)), \
'M2O-like pair expected, got %r' % right_side
if left_side is None:
append_right(all_groups.pop(0))
elif right_side is None:
append_left(read_group_result.pop(0))
elif left_side[groupby] == right_side:
append_left(read_group_result.pop(0))
all_groups.pop(0) # discard right_side
elif not left_side[groupby] or not left_side[groupby][0]:
# left side == "Undefined" entry, not present on right_side
append_left(read_group_result.pop(0))
else:
append_right(all_groups.pop(0))
if folded:
for r in result:
r['__fold'] = folded.get(r[groupby] and r[groupby][0], False)
return result
def _read_group_prepare(self, orderby, aggregated_fields, annotated_groupbys, query):
"""
Prepares the GROUP BY and ORDER BY terms for the read_group method. Adds the missing JOIN clause
to the query if order should be computed against m2o field.
:param orderby: the orderby definition in the form "%(field)s %(order)s"
:param aggregated_fields: list of aggregated fields in the query
:param annotated_groupbys: list of dictionaries returned by _read_group_process_groupby
These dictionaries contains the qualified name of each groupby
(fully qualified SQL name for the corresponding field),
and the (non raw) field name.
:param osv.Query query: the query under construction
:return: (groupby_terms, orderby_terms)
"""
orderby_terms = []
groupby_terms = [gb['qualified_field'] for gb in annotated_groupbys]
groupby_fields = [gb['groupby'] for gb in annotated_groupbys]
if not orderby:
return groupby_terms, orderby_terms
self._check_qorder(orderby)
for order_part in orderby.split(','):
order_split = order_part.split()
order_field = order_split[0]
if order_field in groupby_fields:
if self._fields[order_field.split(':')[0]].type == 'many2one':
order_clause = self._generate_order_by(order_part, query).replace('ORDER BY ', '')
if order_clause:
orderby_terms.append(order_clause)
groupby_terms += [order_term.split()[0] for order_term in order_clause.split(',')]
else:
order = '"%s" %s' % (order_field, '' if len(order_split) == 1 else order_split[1])
orderby_terms.append(order)
elif order_field in aggregated_fields:
orderby_terms.append(order_part)
else:
# Cannot order by a field that will not appear in the results (needs to be grouped or aggregated)
_logger.warn('%s: read_group order by `%s` ignored, cannot sort on empty columns (not grouped/aggregated)',
self._name, order_part)
return groupby_terms, orderby_terms
def _read_group_process_groupby(self, gb, query, context):
"""
Helper method to collect important information about groupbys: raw
field name, type, time information, qualified name, ...
"""
split = gb.split(':')
field_type = self._fields[split[0]].type
gb_function = split[1] if len(split) == 2 else None
temporal = field_type in ('date', 'datetime')
tz_convert = field_type == 'datetime' and context.get('tz') in pytz.all_timezones
qualified_field = self._inherits_join_calc(self._table, split[0], query)
if temporal:
display_formats = {
# Careful with week/year formats:
# - yyyy (lower) must always be used, *except* for week+year formats
# - YYYY (upper) must always be used for week+year format
# e.g. 2006-01-01 is W52 2005 in some locales (de_DE),
# and W1 2006 for others
#
# Mixing both formats, e.g. 'MMM YYYY' would yield wrong results,
# such as 2006-01-01 being formatted as "January 2005" in some locales.
# Cfr: http://babel.pocoo.org/docs/dates/#date-fields
'day': 'dd MMM yyyy', # yyyy = normal year
'week': "'W'w YYYY", # w YYYY = ISO week-year
'month': 'MMMM yyyy',
'quarter': 'QQQ yyyy',
'year': 'yyyy',
}
time_intervals = {
'day': dateutil.relativedelta.relativedelta(days=1),
'week': datetime.timedelta(days=7),
'month': dateutil.relativedelta.relativedelta(months=1),
'quarter': dateutil.relativedelta.relativedelta(months=3),
'year': dateutil.relativedelta.relativedelta(years=1)
}
if tz_convert:
qualified_field = "timezone('%s', timezone('UTC',%s))" % (context.get('tz', 'UTC'), qualified_field)
qualified_field = "date_trunc('%s', %s)" % (gb_function or 'month', qualified_field)
if field_type == 'boolean':
qualified_field = "coalesce(%s,false)" % qualified_field
return {
'field': split[0],
'groupby': gb,
'type': field_type,
'display_format': display_formats[gb_function or 'month'] if temporal else None,
'interval': time_intervals[gb_function or 'month'] if temporal else None,
'tz_convert': tz_convert,
'qualified_field': qualified_field
}
def _read_group_prepare_data(self, key, value, groupby_dict, context):
"""
Helper method to sanitize the data received by read_group. The None
values are converted to False, and the date/datetime are formatted,
and corrected according to the timezones.
"""
value = False if value is None else value
gb = groupby_dict.get(key)
if gb and gb['type'] in ('date', 'datetime') and value:
if isinstance(value, basestring):
dt_format = DEFAULT_SERVER_DATETIME_FORMAT if gb['type'] == 'datetime' else DEFAULT_SERVER_DATE_FORMAT
value = datetime.datetime.strptime(value, dt_format)
if gb['tz_convert']:
value = pytz.timezone(context['tz']).localize(value)
return value
def _read_group_get_domain(self, groupby, value):
"""
Helper method to construct the domain corresponding to a groupby and
a given value. This is mostly relevant for date/datetime.
"""
if groupby['type'] in ('date', 'datetime') and value:
dt_format = DEFAULT_SERVER_DATETIME_FORMAT if groupby['type'] == 'datetime' else DEFAULT_SERVER_DATE_FORMAT
domain_dt_begin = value
domain_dt_end = value + groupby['interval']
if groupby['tz_convert']:
domain_dt_begin = domain_dt_begin.astimezone(pytz.utc)
domain_dt_end = domain_dt_end.astimezone(pytz.utc)
return [(groupby['field'], '>=', domain_dt_begin.strftime(dt_format)),
(groupby['field'], '<', domain_dt_end.strftime(dt_format))]
if groupby['type'] == 'many2one' and value:
value = value[0]
return [(groupby['field'], '=', value)]
def _read_group_format_result(self, data, annotated_groupbys, groupby, groupby_dict, domain, context):
"""
Helper method to format the data contained in the dictionary data by
adding the domain corresponding to its values, the groupbys in the
context and by properly formatting the date/datetime values.
"""
domain_group = [dom for gb in annotated_groupbys for dom in self._read_group_get_domain(gb, data[gb['groupby']])]
for k,v in data.iteritems():
gb = groupby_dict.get(k)
if gb and gb['type'] in ('date', 'datetime') and v:
data[k] = babel.dates.format_date(v, format=gb['display_format'], locale=context.get('lang', 'en_US'))
data['__domain'] = domain_group + domain
if len(groupby) - len(annotated_groupbys) >= 1:
data['__context'] = { 'group_by': groupby[len(annotated_groupbys):]}
del data['id']
return data
def read_group(self, cr, uid, domain, fields, groupby, offset=0, limit=None, context=None, orderby=False, lazy=True):
"""
Get the list of records in list view grouped by the given ``groupby`` fields
:param cr: database cursor
:param uid: current user id
:param domain: list specifying search criteria [['field_name', 'operator', 'value'], ...]
:param list fields: list of fields present in the list view specified on the object
:param list groupby: list of groupby descriptions by which the records will be grouped.
A groupby description is either a field (then it will be grouped by that field)
or a string 'field:groupby_function'. Right now, the only functions supported
are 'day', 'week', 'month', 'quarter' or 'year', and they only make sense for
date/datetime fields.
:param int offset: optional number of records to skip
:param int limit: optional max number of records to return
:param dict context: context arguments, like lang, time zone.
:param list orderby: optional ``order by`` specification, for
overriding the natural sort ordering of the
groups, see also :py:meth:`~osv.osv.osv.search`
(supported only for many2one fields currently)
:param bool lazy: if true, the results are only grouped by the first groupby and the
remaining groupbys are put in the __context key. If false, all the groupbys are
done in one call.
:return: list of dictionaries(one dictionary for each record) containing:
* the values of fields grouped by the fields in ``groupby`` argument
* __domain: list of tuples specifying the search criteria
* __context: dictionary with argument like ``groupby``
:rtype: [{'field_name_1': value, ...]
:raise AccessError: * if user has no read rights on the requested object
* if user tries to bypass access rules for read on the requested object
"""
if context is None:
context = {}
self.check_access_rights(cr, uid, 'read')
query = self._where_calc(cr, uid, domain, context=context)
fields = fields or self._columns.keys()
groupby = [groupby] if isinstance(groupby, basestring) else groupby
groupby_list = groupby[:1] if lazy else groupby
annotated_groupbys = [self._read_group_process_groupby(gb, query, context)
for gb in groupby_list]
groupby_fields = [g['field'] for g in annotated_groupbys]
order = orderby or ','.join([g for g in groupby_list])
groupby_dict = {gb['groupby']: gb for gb in annotated_groupbys}
self._apply_ir_rules(cr, uid, query, 'read', context=context)
for gb in groupby_fields:
assert gb in fields, "Fields in 'groupby' must appear in the list of fields to read (perhaps it's missing in the list view?)"
groupby_def = self._columns.get(gb) or (self._inherit_fields.get(gb) and self._inherit_fields.get(gb)[2])
assert groupby_def and groupby_def._classic_write, "Fields in 'groupby' must be regular database-persisted fields (no function or related fields), or function fields with store=True"
if not (gb in self._fields):
# Don't allow arbitrary values, as this would be a SQL injection vector!
raise except_orm(_('Invalid group_by'),
_('Invalid group_by specification: "%s".\nA group_by specification must be a list of valid fields.')%(gb,))
aggregated_fields = [
f for f in fields
if f not in ('id', 'sequence')
if f not in groupby_fields
if f in self._fields
if self._fields[f].type in ('integer', 'float')
if getattr(self._fields[f].base_field.column, '_classic_write', False)
]
field_formatter = lambda f: (self._fields[f].group_operator or 'sum', self._inherits_join_calc(self._table, f, query), f)
select_terms = ["%s(%s) AS %s" % field_formatter(f) for f in aggregated_fields]
for gb in annotated_groupbys:
select_terms.append('%s as "%s" ' % (gb['qualified_field'], gb['groupby']))
groupby_terms, orderby_terms = self._read_group_prepare(order, aggregated_fields, annotated_groupbys, query)
from_clause, where_clause, where_clause_params = query.get_sql()
if lazy and (len(groupby_fields) >= 2 or not context.get('group_by_no_leaf')):
count_field = groupby_fields[0] if len(groupby_fields) >= 1 else '_'
else:
count_field = '_'
count_field += '_count'
prefix_terms = lambda prefix, terms: (prefix + " " + ",".join(terms)) if terms else ''
prefix_term = lambda prefix, term: ('%s %s' % (prefix, term)) if term else ''
query = """
SELECT min(%(table)s.id) AS id, count(%(table)s.id) AS %(count_field)s %(extra_fields)s
FROM %(from)s
%(where)s
%(groupby)s
%(orderby)s
%(limit)s
%(offset)s
""" % {
'table': self._table,
'count_field': count_field,
'extra_fields': prefix_terms(',', select_terms),
'from': from_clause,
'where': prefix_term('WHERE', where_clause),
'groupby': prefix_terms('GROUP BY', groupby_terms),
'orderby': prefix_terms('ORDER BY', orderby_terms),
'limit': prefix_term('LIMIT', int(limit) if limit else None),
'offset': prefix_term('OFFSET', int(offset) if limit else None),
}
cr.execute(query, where_clause_params)
fetched_data = cr.dictfetchall()
if not groupby_fields:
return fetched_data
many2onefields = [gb['field'] for gb in annotated_groupbys if gb['type'] == 'many2one']
if many2onefields:
data_ids = [r['id'] for r in fetched_data]
many2onefields = list(set(many2onefields))
data_dict = {d['id']: d for d in self.read(cr, uid, data_ids, many2onefields, context=context)}
for d in fetched_data:
d.update(data_dict[d['id']])
data = map(lambda r: {k: self._read_group_prepare_data(k,v, groupby_dict, context) for k,v in r.iteritems()}, fetched_data)
result = [self._read_group_format_result(d, annotated_groupbys, groupby, groupby_dict, domain, context) for d in data]
if lazy and groupby_fields[0] in self._group_by_full:
# Right now, read_group only fill results in lazy mode (by default).
# If you need to have the empty groups in 'eager' mode, then the
# method _read_group_fill_results need to be completely reimplemented
# in a sane way
result = self._read_group_fill_results(cr, uid, domain, groupby_fields[0], groupby[len(annotated_groupbys):],
aggregated_fields, count_field, result, read_group_order=order,
context=context)
return result
def _inherits_join_add(self, current_model, parent_model_name, query):
"""
Add missing table SELECT and JOIN clause to ``query`` for reaching the parent table (no duplicates)
:param current_model: current model object
:param parent_model_name: name of the parent model for which the clauses should be added
:param query: query object on which the JOIN should be added
"""
inherits_field = current_model._inherits[parent_model_name]
parent_model = self.pool[parent_model_name]
parent_alias, parent_alias_statement = query.add_join((current_model._table, parent_model._table, inherits_field, 'id', inherits_field), implicit=True)
return parent_alias
def _inherits_join_calc(self, alias, field, query, implicit=True, outer=False):
"""
Adds missing table select and join clause(s) to ``query`` for reaching
the field coming from an '_inherits' parent table (no duplicates).
:param alias: name of the initial SQL alias
:param field: name of inherited field to reach
:param query: query object on which the JOIN should be added
:return: qualified name of field, to be used in SELECT clause
"""
# INVARIANT: alias is the SQL alias of model._table in query
model = self
while field in model._inherit_fields and field not in model._columns:
# retrieve the parent model where field is inherited from
parent_model_name = model._inherit_fields[field][0]
parent_model = self.pool[parent_model_name]
parent_field = model._inherits[parent_model_name]
# JOIN parent_model._table AS parent_alias ON alias.parent_field = parent_alias.id
parent_alias, _ = query.add_join(
(alias, parent_model._table, parent_field, 'id', parent_field),
implicit=implicit, outer=outer,
)
model, alias = parent_model, parent_alias
return '"%s"."%s"' % (alias, field)
def _parent_store_compute(self, cr):
if not self._parent_store:
return
_logger.info('Computing parent left and right for table %s...', self._table)
def browse_rec(root, pos=0):
# TODO: set order
where = self._parent_name+'='+str(root)
if not root:
where = self._parent_name+' IS NULL'
if self._parent_order:
where += ' order by '+self._parent_order
cr.execute('SELECT id FROM '+self._table+' WHERE '+where)
pos2 = pos + 1
for id in cr.fetchall():
pos2 = browse_rec(id[0], pos2)
cr.execute('update '+self._table+' set parent_left=%s, parent_right=%s where id=%s', (pos, pos2, root))
return pos2 + 1
query = 'SELECT id FROM '+self._table+' WHERE '+self._parent_name+' IS NULL'
if self._parent_order:
query += ' order by ' + self._parent_order
pos = 0
cr.execute(query)
for (root,) in cr.fetchall():
pos = browse_rec(root, pos)
self.invalidate_cache(cr, SUPERUSER_ID, ['parent_left', 'parent_right'])
return True
def _update_store(self, cr, f, k):
_logger.info("storing computed values of fields.function '%s'", k)
ss = self._columns[k]._symbol_set
update_query = 'UPDATE "%s" SET "%s"=%s WHERE id=%%s' % (self._table, k, ss[0])
cr.execute('select id from '+self._table)
ids_lst = map(lambda x: x[0], cr.fetchall())
while ids_lst:
iids = ids_lst[:AUTOINIT_RECALCULATE_STORED_FIELDS]
ids_lst = ids_lst[AUTOINIT_RECALCULATE_STORED_FIELDS:]
res = f.get(cr, self, iids, k, SUPERUSER_ID, {})
for key, val in res.items():
if f._multi:
val = val[k]
# if val is a many2one, just write the ID
if type(val) == tuple:
val = val[0]
if f._type == 'boolean' or val is not False:
cr.execute(update_query, (ss[1](val), key))
@api.model
def _check_selection_field_value(self, field, value):
""" Check whether value is among the valid values for the given
selection/reference field, and raise an exception if not.
"""
field = self._fields[field]
field.convert_to_cache(value, self)
def _check_removed_columns(self, cr, log=False):
# iterate on the database columns to drop the NOT NULL constraints
# of fields which were required but have been removed (or will be added by another module)
columns = [c for c in self._columns if not (isinstance(self._columns[c], fields.function) and not self._columns[c].store)]
columns += MAGIC_COLUMNS
cr.execute("SELECT a.attname, a.attnotnull"
" FROM pg_class c, pg_attribute a"
" WHERE c.relname=%s"
" AND c.oid=a.attrelid"
" AND a.attisdropped=%s"
" AND pg_catalog.format_type(a.atttypid, a.atttypmod) NOT IN ('cid', 'tid', 'oid', 'xid')"
" AND a.attname NOT IN %s", (self._table, False, tuple(columns))),
for column in cr.dictfetchall():
if log:
_logger.debug("column %s is in the table %s but not in the corresponding object %s",
column['attname'], self._table, self._name)
if column['attnotnull']:
cr.execute('ALTER TABLE "%s" ALTER COLUMN "%s" DROP NOT NULL' % (self._table, column['attname']))
_schema.debug("Table '%s': column '%s': dropped NOT NULL constraint",
self._table, column['attname'])
def _save_constraint(self, cr, constraint_name, type):
"""
Record the creation of a constraint for this model, to make it possible
to delete it later when the module is uninstalled. Type can be either
'f' or 'u' depending on the constraint being a foreign key or not.
"""
if not self._module:
# no need to save constraints for custom models as they're not part
# of any module
return
assert type in ('f', 'u')
cr.execute("""
SELECT 1 FROM ir_model_constraint, ir_module_module
WHERE ir_model_constraint.module=ir_module_module.id
AND ir_model_constraint.name=%s
AND ir_module_module.name=%s
""", (constraint_name, self._module))
if not cr.rowcount:
cr.execute("""
INSERT INTO ir_model_constraint
(name, date_init, date_update, module, model, type)
VALUES (%s, now() AT TIME ZONE 'UTC', now() AT TIME ZONE 'UTC',
(SELECT id FROM ir_module_module WHERE name=%s),
(SELECT id FROM ir_model WHERE model=%s), %s)""",
(constraint_name, self._module, self._name, type))
def _save_relation_table(self, cr, relation_table):
"""
Record the creation of a many2many for this model, to make it possible
to delete it later when the module is uninstalled.
"""
cr.execute("""
SELECT 1 FROM ir_model_relation, ir_module_module
WHERE ir_model_relation.module=ir_module_module.id
AND ir_model_relation.name=%s
AND ir_module_module.name=%s
""", (relation_table, self._module))
if not cr.rowcount:
cr.execute("""INSERT INTO ir_model_relation (name, date_init, date_update, module, model)
VALUES (%s, now() AT TIME ZONE 'UTC', now() AT TIME ZONE 'UTC',
(SELECT id FROM ir_module_module WHERE name=%s),
(SELECT id FROM ir_model WHERE model=%s))""",
(relation_table, self._module, self._name))
self.invalidate_cache(cr, SUPERUSER_ID)
# checked version: for direct m2o starting from ``self``
def _m2o_add_foreign_key_checked(self, source_field, dest_model, ondelete):
assert self.is_transient() or not dest_model.is_transient(), \
'Many2One relationships from non-transient Model to TransientModel are forbidden'
if self.is_transient() and not dest_model.is_transient():
# TransientModel relationships to regular Models are annoying
# usually because they could block deletion due to the FKs.
# So unless stated otherwise we default them to ondelete=cascade.
ondelete = ondelete or 'cascade'
fk_def = (self._table, source_field, dest_model._table, ondelete or 'set null')
self._foreign_keys.add(fk_def)
_schema.debug("Table '%s': added foreign key '%s' with definition=REFERENCES \"%s\" ON DELETE %s", *fk_def)
# unchecked version: for custom cases, such as m2m relationships
def _m2o_add_foreign_key_unchecked(self, source_table, source_field, dest_model, ondelete):
fk_def = (source_table, source_field, dest_model._table, ondelete or 'set null')
self._foreign_keys.add(fk_def)
_schema.debug("Table '%s': added foreign key '%s' with definition=REFERENCES \"%s\" ON DELETE %s", *fk_def)
def _drop_constraint(self, cr, source_table, constraint_name):
cr.execute("ALTER TABLE %s DROP CONSTRAINT %s" % (source_table,constraint_name))
def _m2o_fix_foreign_key(self, cr, source_table, source_field, dest_model, ondelete):
# Find FK constraint(s) currently established for the m2o field,
# and see whether they are stale or not
cr.execute("""SELECT confdeltype as ondelete_rule, conname as constraint_name,
cl2.relname as foreign_table
FROM pg_constraint as con, pg_class as cl1, pg_class as cl2,
pg_attribute as att1, pg_attribute as att2
WHERE con.conrelid = cl1.oid
AND cl1.relname = %s
AND con.confrelid = cl2.oid
AND array_lower(con.conkey, 1) = 1
AND con.conkey[1] = att1.attnum
AND att1.attrelid = cl1.oid
AND att1.attname = %s
AND array_lower(con.confkey, 1) = 1
AND con.confkey[1] = att2.attnum
AND att2.attrelid = cl2.oid
AND att2.attname = %s
AND con.contype = 'f'""", (source_table, source_field, 'id'))
constraints = cr.dictfetchall()
if constraints:
if len(constraints) == 1:
# Is it the right constraint?
cons, = constraints
if cons['ondelete_rule'] != POSTGRES_CONFDELTYPES.get((ondelete or 'set null').upper(), 'a')\
or cons['foreign_table'] != dest_model._table:
# Wrong FK: drop it and recreate
_schema.debug("Table '%s': dropping obsolete FK constraint: '%s'",
source_table, cons['constraint_name'])
self._drop_constraint(cr, source_table, cons['constraint_name'])
else:
# it's all good, nothing to do!
return
else:
# Multiple FKs found for the same field, drop them all, and re-create
for cons in constraints:
_schema.debug("Table '%s': dropping duplicate FK constraints: '%s'",
source_table, cons['constraint_name'])
self._drop_constraint(cr, source_table, cons['constraint_name'])
# (re-)create the FK
self._m2o_add_foreign_key_checked(source_field, dest_model, ondelete)
def _set_default_value_on_column(self, cr, column_name, context=None):
# ideally, we should use default_get(), but it fails due to ir.values
# not being ready
# get default value
default = self._defaults.get(column_name)
if callable(default):
default = default(self, cr, SUPERUSER_ID, context)
column = self._columns[column_name]
ss = column._symbol_set
db_default = ss[1](default)
# Write default if non-NULL, except for booleans for which False means
# the same as NULL - this saves us an expensive query on large tables.
write_default = (db_default is not None if column._type != 'boolean'
else db_default)
if write_default:
_logger.debug("Table '%s': setting default value of new column %s to %r",
self._table, column_name, default)
query = 'UPDATE "%s" SET "%s"=%s WHERE "%s" is NULL' % (
self._table, column_name, ss[0], column_name)
cr.execute(query, (db_default,))
# this is a disgrace
cr.commit()
def _auto_init(self, cr, context=None):
"""
Call _field_create and, unless _auto is False:
- create the corresponding table in database for the model,
- possibly add the parent columns in database,
- possibly add the columns 'create_uid', 'create_date', 'write_uid',
'write_date' in database if _log_access is True (the default),
- report on database columns no more existing in _columns,
- remove no more existing not null constraints,
- alter existing database columns to match _columns,
- create database tables to match _columns,
- add database indices to match _columns,
- save in self._foreign_keys a list a foreign keys to create (see
_auto_end).
"""
self._foreign_keys = set()
raise_on_invalid_object_name(self._name)
# This prevents anything called by this method (in particular default
# values) from prefetching a field for which the corresponding column
# has not been added in database yet!
context = dict(context or {}, prefetch_fields=False)
# Make sure an environment is available for get_pg_type(). This is
# because we access column.digits, which retrieves a cursor from
# existing environments.
env = api.Environment(cr, SUPERUSER_ID, context)
store_compute = False
stored_fields = [] # new-style stored fields with compute
todo_end = []
update_custom_fields = context.get('update_custom_fields', False)
self._field_create(cr, context=context)
create = not self._table_exist(cr)
if self._auto:
if create:
self._create_table(cr)
has_rows = False
else:
cr.execute('SELECT 1 FROM "%s" LIMIT 1' % self._table)
has_rows = cr.rowcount
cr.commit()
if self._parent_store:
if not self._parent_columns_exist(cr):
self._create_parent_columns(cr)
store_compute = True
self._check_removed_columns(cr, log=False)
# iterate on the "object columns"
column_data = self._select_column_data(cr)
for k, f in self._columns.iteritems():
if k == 'id': # FIXME: maybe id should be a regular column?
continue
# Don't update custom (also called manual) fields
if f.manual and not update_custom_fields:
continue
if isinstance(f, fields.one2many):
self._o2m_raise_on_missing_reference(cr, f)
elif isinstance(f, fields.many2many):
res = self._m2m_raise_or_create_relation(cr, f)
if res and self._fields[k].depends:
stored_fields.append(self._fields[k])
else:
res = column_data.get(k)
# The field is not found as-is in database, try if it
# exists with an old name.
if not res and hasattr(f, 'oldname'):
res = column_data.get(f.oldname)
if res:
cr.execute('ALTER TABLE "%s" RENAME "%s" TO "%s"' % (self._table, f.oldname, k))
res['attname'] = k
column_data[k] = res
_schema.debug("Table '%s': renamed column '%s' to '%s'",
self._table, f.oldname, k)
# The field already exists in database. Possibly
# change its type, rename it, drop it or change its
# constraints.
if res:
f_pg_type = res['typname']
f_pg_size = res['size']
f_pg_notnull = res['attnotnull']
if isinstance(f, fields.function) and not f.store and\
not getattr(f, 'nodrop', False):
_logger.info('column %s (%s) converted to a function, removed from table %s',
k, f.string, self._table)
cr.execute('ALTER TABLE "%s" DROP COLUMN "%s" CASCADE' % (self._table, k))
cr.commit()
_schema.debug("Table '%s': dropped column '%s' with cascade",
self._table, k)
f_obj_type = None
else:
f_obj_type = get_pg_type(f) and get_pg_type(f)[0]
if f_obj_type:
ok = False
casts = [
('text', 'char', pg_varchar(f.size), '::%s' % pg_varchar(f.size)),
('varchar', 'text', 'TEXT', ''),
('int4', 'float', get_pg_type(f)[1], '::'+get_pg_type(f)[1]),
('date', 'datetime', 'TIMESTAMP', '::TIMESTAMP'),
('timestamp', 'date', 'date', '::date'),
('numeric', 'float', get_pg_type(f)[1], '::'+get_pg_type(f)[1]),
('float8', 'float', get_pg_type(f)[1], '::'+get_pg_type(f)[1]),
]
if f_pg_type == 'varchar' and f._type in ('char', 'selection') and f_pg_size and (f.size is None or f_pg_size < f.size):
try:
with cr.savepoint():
cr.execute('ALTER TABLE "%s" ALTER COLUMN "%s" TYPE %s' % (self._table, k, pg_varchar(f.size)), log_exceptions=False)
except psycopg2.NotSupportedError:
# In place alter table cannot be done because a view is depending of this field.
# Do a manual copy. This will drop the view (that will be recreated later)
cr.execute('ALTER TABLE "%s" RENAME COLUMN "%s" TO temp_change_size' % (self._table, k))
cr.execute('ALTER TABLE "%s" ADD COLUMN "%s" %s' % (self._table, k, pg_varchar(f.size)))
cr.execute('UPDATE "%s" SET "%s"=temp_change_size::%s' % (self._table, k, pg_varchar(f.size)))
cr.execute('ALTER TABLE "%s" DROP COLUMN temp_change_size CASCADE' % (self._table,))
cr.commit()
_schema.debug("Table '%s': column '%s' (type varchar) changed size from %s to %s",
self._table, k, f_pg_size or 'unlimited', f.size or 'unlimited')
for c in casts:
if (f_pg_type==c[0]) and (f._type==c[1]):
if f_pg_type != f_obj_type:
ok = True
cr.execute('ALTER TABLE "%s" RENAME COLUMN "%s" TO __temp_type_cast' % (self._table, k))
cr.execute('ALTER TABLE "%s" ADD COLUMN "%s" %s' % (self._table, k, c[2]))
cr.execute(('UPDATE "%s" SET "%s"= __temp_type_cast'+c[3]) % (self._table, k))
cr.execute('ALTER TABLE "%s" DROP COLUMN __temp_type_cast CASCADE' % (self._table,))
cr.commit()
_schema.debug("Table '%s': column '%s' changed type from %s to %s",
self._table, k, c[0], c[1])
break
if f_pg_type != f_obj_type:
if not ok:
i = 0
while True:
newname = k + '_moved' + str(i)
cr.execute("SELECT count(1) FROM pg_class c,pg_attribute a " \
"WHERE c.relname=%s " \
"AND a.attname=%s " \
"AND c.oid=a.attrelid ", (self._table, newname))
if not cr.fetchone()[0]:
break
i += 1
if f_pg_notnull:
cr.execute('ALTER TABLE "%s" ALTER COLUMN "%s" DROP NOT NULL' % (self._table, k))
cr.execute('ALTER TABLE "%s" RENAME COLUMN "%s" TO "%s"' % (self._table, k, newname))
cr.execute('ALTER TABLE "%s" ADD COLUMN "%s" %s' % (self._table, k, get_pg_type(f)[1]))
cr.execute("COMMENT ON COLUMN %s.\"%s\" IS %%s" % (self._table, k), (f.string,))
_schema.warning("Table `%s`: column `%s` has changed type (DB=%s, def=%s), data moved to column `%s`",
self._table, k, f_pg_type, f._type, newname)
# if the field is required and hasn't got a NOT NULL constraint
if f.required and f_pg_notnull == 0:
if has_rows:
self._set_default_value_on_column(cr, k, context=context)
# add the NOT NULL constraint
try:
cr.execute('ALTER TABLE "%s" ALTER COLUMN "%s" SET NOT NULL' % (self._table, k), log_exceptions=False)
cr.commit()
_schema.debug("Table '%s': column '%s': added NOT NULL constraint",
self._table, k)
except Exception:
msg = "Table '%s': unable to set a NOT NULL constraint on column '%s' !\n"\
"If you want to have it, you should update the records and execute manually:\n"\
"ALTER TABLE %s ALTER COLUMN %s SET NOT NULL"
_schema.warning(msg, self._table, k, self._table, k)
cr.commit()
elif not f.required and f_pg_notnull == 1:
cr.execute('ALTER TABLE "%s" ALTER COLUMN "%s" DROP NOT NULL' % (self._table, k))
cr.commit()
_schema.debug("Table '%s': column '%s': dropped NOT NULL constraint",
self._table, k)
# Verify index
indexname = '%s_%s_index' % (self._table, k)
cr.execute("SELECT indexname FROM pg_indexes WHERE indexname = %s and tablename = %s", (indexname, self._table))
res2 = cr.dictfetchall()
if not res2 and f.select:
cr.execute('CREATE INDEX "%s_%s_index" ON "%s" ("%s")' % (self._table, k, self._table, k))
cr.commit()
if f._type == 'text':
# FIXME: for fields.text columns we should try creating GIN indexes instead (seems most suitable for an ERP context)
msg = "Table '%s': Adding (b-tree) index for %s column '%s'."\
"This is probably useless (does not work for fulltext search) and prevents INSERTs of long texts"\
" because there is a length limit for indexable btree values!\n"\
"Use a search view instead if you simply want to make the field searchable."
_schema.warning(msg, self._table, f._type, k)
if res2 and not f.select:
cr.execute('DROP INDEX "%s_%s_index"' % (self._table, k))
cr.commit()
msg = "Table '%s': dropping index for column '%s' of type '%s' as it is not required anymore"
_schema.debug(msg, self._table, k, f._type)
if isinstance(f, fields.many2one) or (isinstance(f, fields.function) and f._type == 'many2one' and f.store):
dest_model = self.pool[f._obj]
if dest_model._auto and dest_model._table != 'ir_actions':
self._m2o_fix_foreign_key(cr, self._table, k, dest_model, f.ondelete)
# The field doesn't exist in database. Create it if necessary.
else:
if not isinstance(f, fields.function) or f.store:
# add the missing field
cr.execute('ALTER TABLE "%s" ADD COLUMN "%s" %s' % (self._table, k, get_pg_type(f)[1]))
cr.execute("COMMENT ON COLUMN %s.\"%s\" IS %%s" % (self._table, k), (f.string,))
_schema.debug("Table '%s': added column '%s' with definition=%s",
self._table, k, get_pg_type(f)[1])
# initialize it
if has_rows:
self._set_default_value_on_column(cr, k, context=context)
# remember the functions to call for the stored fields
if isinstance(f, fields.function):
order = 10
if f.store is not True: # i.e. if f.store is a dict
order = f.store[f.store.keys()[0]][2]
todo_end.append((order, self._update_store, (f, k)))
# remember new-style stored fields with compute method
if k in self._fields and self._fields[k].depends:
stored_fields.append(self._fields[k])
# and add constraints if needed
if isinstance(f, fields.many2one) or (isinstance(f, fields.function) and f._type == 'many2one' and f.store):
if f._obj not in self.pool:
raise except_orm('Programming Error', 'There is no reference available for %s' % (f._obj,))
dest_model = self.pool[f._obj]
ref = dest_model._table
# ir_actions is inherited so foreign key doesn't work on it
if dest_model._auto and ref != 'ir_actions':
self._m2o_add_foreign_key_checked(k, dest_model, f.ondelete)
if f.select:
cr.execute('CREATE INDEX "%s_%s_index" ON "%s" ("%s")' % (self._table, k, self._table, k))
if f.required:
try:
cr.commit()
cr.execute('ALTER TABLE "%s" ALTER COLUMN "%s" SET NOT NULL' % (self._table, k))
_schema.debug("Table '%s': column '%s': added a NOT NULL constraint",
self._table, k)
except Exception:
msg = "WARNING: unable to set column %s of table %s not null !\n"\
"Try to re-run: openerp-server --update=module\n"\
"If it doesn't work, update records and execute manually:\n"\
"ALTER TABLE %s ALTER COLUMN %s SET NOT NULL"
_logger.warning(msg, k, self._table, self._table, k, exc_info=True)
cr.commit()
else:
cr.execute("SELECT relname FROM pg_class WHERE relkind IN ('r','v') AND relname=%s", (self._table,))
create = not bool(cr.fetchone())
cr.commit() # start a new transaction
if self._auto:
self._add_sql_constraints(cr)
if create:
self._execute_sql(cr)
if store_compute:
self._parent_store_compute(cr)
cr.commit()
if stored_fields:
# trigger computation of new-style stored fields with a compute
def func(cr):
_logger.info("Storing computed values of %s fields %s",
self._name, ', '.join(sorted(f.name for f in stored_fields)))
recs = self.browse(cr, SUPERUSER_ID, [], {'active_test': False})
recs = recs.search([])
if recs:
map(recs._recompute_todo, stored_fields)
recs.recompute()
todo_end.append((1000, func, ()))
return todo_end
def _auto_end(self, cr, context=None):
""" Create the foreign keys recorded by _auto_init. """
for t, k, r, d in self._foreign_keys:
cr.execute('ALTER TABLE "%s" ADD FOREIGN KEY ("%s") REFERENCES "%s" ON DELETE %s' % (t, k, r, d))
self._save_constraint(cr, "%s_%s_fkey" % (t, k), 'f')
cr.commit()
del self._foreign_keys
def _table_exist(self, cr):
cr.execute("SELECT relname FROM pg_class WHERE relkind IN ('r','v') AND relname=%s", (self._table,))
return cr.rowcount
def _create_table(self, cr):
cr.execute('CREATE TABLE "%s" (id SERIAL NOT NULL, PRIMARY KEY(id))' % (self._table,))
cr.execute(("COMMENT ON TABLE \"%s\" IS %%s" % self._table), (self._description,))
_schema.debug("Table '%s': created", self._table)
def _parent_columns_exist(self, cr):
cr.execute("""SELECT c.relname
FROM pg_class c, pg_attribute a
WHERE c.relname=%s AND a.attname=%s AND c.oid=a.attrelid
""", (self._table, 'parent_left'))
return cr.rowcount
def _create_parent_columns(self, cr):
cr.execute('ALTER TABLE "%s" ADD COLUMN "parent_left" INTEGER' % (self._table,))
cr.execute('ALTER TABLE "%s" ADD COLUMN "parent_right" INTEGER' % (self._table,))
if 'parent_left' not in self._columns:
_logger.error('create a column parent_left on object %s: fields.integer(\'Left Parent\', select=1)',
self._table)
_schema.debug("Table '%s': added column '%s' with definition=%s",
self._table, 'parent_left', 'INTEGER')
elif not self._columns['parent_left'].select:
_logger.error('parent_left column on object %s must be indexed! Add select=1 to the field definition)',
self._table)
if 'parent_right' not in self._columns:
_logger.error('create a column parent_right on object %s: fields.integer(\'Right Parent\', select=1)',
self._table)
_schema.debug("Table '%s': added column '%s' with definition=%s",
self._table, 'parent_right', 'INTEGER')
elif not self._columns['parent_right'].select:
_logger.error('parent_right column on object %s must be indexed! Add select=1 to the field definition)',
self._table)
if self._columns[self._parent_name].ondelete not in ('cascade', 'restrict'):
_logger.error("The column %s on object %s must be set as ondelete='cascade' or 'restrict'",
self._parent_name, self._name)
cr.commit()
def _select_column_data(self, cr):
# attlen is the number of bytes necessary to represent the type when
# the type has a fixed size. If the type has a varying size attlen is
# -1 and atttypmod is the size limit + 4, or -1 if there is no limit.
cr.execute("SELECT c.relname,a.attname,a.attlen,a.atttypmod,a.attnotnull,a.atthasdef,t.typname,CASE WHEN a.attlen=-1 THEN (CASE WHEN a.atttypmod=-1 THEN 0 ELSE a.atttypmod-4 END) ELSE a.attlen END as size " \
"FROM pg_class c,pg_attribute a,pg_type t " \
"WHERE c.relname=%s " \
"AND c.oid=a.attrelid " \
"AND a.atttypid=t.oid", (self._table,))
return dict(map(lambda x: (x['attname'], x),cr.dictfetchall()))
def _o2m_raise_on_missing_reference(self, cr, f):
# TODO this check should be a method on fields.one2many.
if f._obj in self.pool:
other = self.pool[f._obj]
# TODO the condition could use fields_get_keys().
if f._fields_id not in other._columns.keys():
if f._fields_id not in other._inherit_fields.keys():
raise except_orm('Programming Error', "There is no reference field '%s' found for '%s'" % (f._fields_id, f._obj,))
def _m2m_raise_or_create_relation(self, cr, f):
""" Create the table for the relation if necessary.
Return ``True`` if the relation had to be created.
"""
m2m_tbl, col1, col2 = f._sql_names(self)
# do not create relations for custom fields as they do not belong to a module
# they will be automatically removed when dropping the corresponding ir.model.field
# table name for custom relation all starts with x_, see __init__
if not m2m_tbl.startswith('x_'):
self._save_relation_table(cr, m2m_tbl)
cr.execute("SELECT relname FROM pg_class WHERE relkind IN ('r','v') AND relname=%s", (m2m_tbl,))
if not cr.dictfetchall():
if f._obj not in self.pool:
raise except_orm('Programming Error', 'Many2Many destination model does not exist: `%s`' % (f._obj,))
dest_model = self.pool[f._obj]
ref = dest_model._table
cr.execute('CREATE TABLE "%s" ("%s" INTEGER NOT NULL, "%s" INTEGER NOT NULL, UNIQUE("%s","%s"))' % (m2m_tbl, col1, col2, col1, col2))
# create foreign key references with ondelete=cascade, unless the targets are SQL views
cr.execute("SELECT relkind FROM pg_class WHERE relkind IN ('v') AND relname=%s", (ref,))
if not cr.fetchall():
self._m2o_add_foreign_key_unchecked(m2m_tbl, col2, dest_model, 'cascade')
cr.execute("SELECT relkind FROM pg_class WHERE relkind IN ('v') AND relname=%s", (self._table,))
if not cr.fetchall():
self._m2o_add_foreign_key_unchecked(m2m_tbl, col1, self, 'cascade')
cr.execute('CREATE INDEX "%s_%s_index" ON "%s" ("%s")' % (m2m_tbl, col1, m2m_tbl, col1))
cr.execute('CREATE INDEX "%s_%s_index" ON "%s" ("%s")' % (m2m_tbl, col2, m2m_tbl, col2))
cr.execute("COMMENT ON TABLE \"%s\" IS 'RELATION BETWEEN %s AND %s'" % (m2m_tbl, self._table, ref))
cr.commit()
_schema.debug("Create table '%s': m2m relation between '%s' and '%s'", m2m_tbl, self._table, ref)
return True
def _add_sql_constraints(self, cr):
"""
Modify this model's database table constraints so they match the one in
_sql_constraints.
"""
def unify_cons_text(txt):
return txt.lower().replace(', ',',').replace(' (','(')
for (key, con, _) in self._sql_constraints:
conname = '%s_%s' % (self._table, key)
self._save_constraint(cr, conname, 'u')
cr.execute("SELECT conname, pg_catalog.pg_get_constraintdef(oid, true) as condef FROM pg_constraint where conname=%s", (conname,))
existing_constraints = cr.dictfetchall()
sql_actions = {
'drop': {
'execute': False,
'query': 'ALTER TABLE "%s" DROP CONSTRAINT "%s"' % (self._table, conname, ),
'msg_ok': "Table '%s': dropped constraint '%s'. Reason: its definition changed from '%%s' to '%s'" % (
self._table, conname, con),
'msg_err': "Table '%s': unable to drop \'%s\' constraint !" % (self._table, con),
'order': 1,
},
'add': {
'execute': False,
'query': 'ALTER TABLE "%s" ADD CONSTRAINT "%s" %s' % (self._table, conname, con,),
'msg_ok': "Table '%s': added constraint '%s' with definition=%s" % (self._table, conname, con),
'msg_err': "Table '%s': unable to add \'%s\' constraint !\n If you want to have it, you should update the records and execute manually:\n%%s" % (
self._table, con),
'order': 2,
},
}
if not existing_constraints:
# constraint does not exists:
sql_actions['add']['execute'] = True
sql_actions['add']['msg_err'] = sql_actions['add']['msg_err'] % (sql_actions['add']['query'], )
elif unify_cons_text(con) not in [unify_cons_text(item['condef']) for item in existing_constraints]:
# constraint exists but its definition has changed:
sql_actions['drop']['execute'] = True
sql_actions['drop']['msg_ok'] = sql_actions['drop']['msg_ok'] % (existing_constraints[0]['condef'].lower(), )
sql_actions['add']['execute'] = True
sql_actions['add']['msg_err'] = sql_actions['add']['msg_err'] % (sql_actions['add']['query'], )
# we need to add the constraint:
sql_actions = [item for item in sql_actions.values()]
sql_actions.sort(key=lambda x: x['order'])
for sql_action in [action for action in sql_actions if action['execute']]:
try:
cr.execute(sql_action['query'])
cr.commit()
_schema.debug(sql_action['msg_ok'])
except:
_schema.warning(sql_action['msg_err'])
cr.rollback()
def _execute_sql(self, cr):
""" Execute the SQL code from the _sql attribute (if any)."""
if hasattr(self, "_sql"):
for line in self._sql.split(';'):
line2 = line.replace('\n', '').strip()
if line2:
cr.execute(line2)
cr.commit()
#
# Update objects that uses this one to update their _inherits fields
#
@classmethod
def _init_inherited_fields(cls):
""" Determine inherited fields. """
# determine candidate inherited fields
fields = {}
for parent_model, parent_field in cls._inherits.iteritems():
parent = cls.pool[parent_model]
for name, field in parent._fields.iteritems():
# inherited fields are implemented as related fields, with the
# following specific properties:
# - reading inherited fields should not bypass access rights
# - copy inherited fields iff their original field is copied
fields[name] = field.new(
inherited=True,
related=(parent_field, name),
related_sudo=False,
copy=field.copy,
)
# add inherited fields that are not redefined locally
for name, field in fields.iteritems():
if name not in cls._fields:
cls._add_field(name, field)
@classmethod
def _inherits_reload(cls):
""" Recompute the _inherit_fields mapping. """
cls._inherit_fields = struct = {}
for parent_model, parent_field in cls._inherits.iteritems():
parent = cls.pool[parent_model]
parent._inherits_reload()
for name, column in parent._columns.iteritems():
struct[name] = (parent_model, parent_field, column, parent_model)
for name, source in parent._inherit_fields.iteritems():
struct[name] = (parent_model, parent_field, source[2], source[3])
@property
def _all_columns(self):
""" Returns a dict mapping all fields names (self fields and inherited
field via _inherits) to a ``column_info`` object giving detailed column
information. This property is deprecated, use ``_fields`` instead.
"""
result = {}
# do not inverse for loops, since local fields may hide inherited ones!
for k, (parent, m2o, col, original_parent) in self._inherit_fields.iteritems():
result[k] = fields.column_info(k, col, parent, m2o, original_parent)
for k, col in self._columns.iteritems():
result[k] = fields.column_info(k, col)
return result
@classmethod
def _inherits_check(cls):
for table, field_name in cls._inherits.items():
field = cls._fields.get(field_name)
if not field:
_logger.info('Missing many2one field definition for _inherits reference "%s" in "%s", using default one.', field_name, cls._name)
from .fields import Many2one
field = Many2one(table, string="Automatically created field to link to parent %s" % table, required=True, ondelete="cascade")
cls._add_field(field_name, field)
elif not field.required or field.ondelete.lower() not in ("cascade", "restrict"):
_logger.warning('Field definition for _inherits reference "%s" in "%s" must be marked as "required" with ondelete="cascade" or "restrict", forcing it to required + cascade.', field_name, cls._name)
field.required = True
field.ondelete = "cascade"
# reflect fields with delegate=True in dictionary cls._inherits
for field in cls._fields.itervalues():
if field.type == 'many2one' and not field.related and field.delegate:
if not field.required:
_logger.warning("Field %s with delegate=True must be required.", field)
field.required = True
if field.ondelete.lower() not in ('cascade', 'restrict'):
field.ondelete = 'cascade'
cls._inherits[field.comodel_name] = field.name
@api.model
def _prepare_setup(self):
""" Prepare the setup of the model. """
type(self)._setup_done = False
@api.model
def _setup_base(self, partial):
""" Determine the inherited and custom fields of the model. """
cls = type(self)
if cls._setup_done:
return
# 1. determine the proper fields of the model; duplicate them on cls to
# avoid clashes with inheritance between different models
for name in getattr(cls, '_fields', {}):
delattr(cls, name)
# retrieve fields from parent classes
cls._fields = {}
cls._defaults = {}
for attr, field in getmembers(cls, Field.__instancecheck__):
cls._add_field(attr, field.new())
# add magic and custom fields
cls._add_magic_fields()
cls._init_manual_fields(self._cr, partial)
# 2. make sure that parent models determine their own fields, then add
# inherited fields to cls
cls._inherits_check()
for parent in cls._inherits:
self.env[parent]._setup_base(partial)
cls._init_inherited_fields()
cls._setup_done = True
@api.model
def _setup_fields(self):
""" Setup the fields, except for recomputation triggers. """
cls = type(self)
# set up fields, and determine their corresponding column
cls._columns = {}
for name, field in cls._fields.iteritems():
field.setup(self.env)
column = field.to_column()
if column:
cls._columns[name] = column
# determine field.computed_fields
computed_fields = defaultdict(list)
for field in cls._fields.itervalues():
if field.compute:
computed_fields[field.compute].append(field)
for fields in computed_fields.itervalues():
for field in fields:
field.computed_fields = fields
@api.model
def _setup_complete(self):
""" Setup recomputation triggers, and complete the model setup. """
cls = type(self)
# set up field triggers
for field in cls._fields.itervalues():
field.setup_triggers(self.env)
# add invalidation triggers on model dependencies
if cls._depends:
triggers = [(field, None) for field in cls._fields.itervalues()]
for model_name, field_names in cls._depends.iteritems():
model = self.env[model_name]
for field_name in field_names:
field = model._fields[field_name]
for trigger in triggers:
field.add_trigger(trigger)
# determine old-api structures about inherited fields
cls._inherits_reload()
# register stuff about low-level function fields
cls._init_function_fields(cls.pool, self._cr)
# register constraints and onchange methods
cls._init_constraints_onchanges()
# check defaults
for name in cls._defaults:
assert name in cls._fields, \
"Model %s has a default for nonexiting field %s" % (cls._name, name)
# validate rec_name
if cls._rec_name:
assert cls._rec_name in cls._fields, \
"Invalid rec_name %s for model %s" % (cls._rec_name, cls._name)
elif 'name' in cls._fields:
cls._rec_name = 'name'
elif 'x_name' in cls._fields:
cls._rec_name = 'x_name'
def fields_get(self, cr, user, allfields=None, context=None, write_access=True, attributes=None):
""" fields_get([fields][, attributes])
Return the definition of each field.
The returned value is a dictionary (indiced by field name) of
dictionaries. The _inherits'd fields are included. The string, help,
and selection (if present) attributes are translated.
:param allfields: list of fields to document, all if empty or not provided
:param attributes: list of description attributes to return for each field, all if empty or not provided
"""
recs = self.browse(cr, user, [], context)
has_access = functools.partial(recs.check_access_rights, raise_exception=False)
readonly = not (has_access('write') or has_access('create'))
res = {}
for fname, field in self._fields.iteritems():
if allfields and fname not in allfields:
continue
if not field.setup_done:
continue
if field.groups and not recs.user_has_groups(field.groups):
continue
description = field.get_description(recs.env)
if readonly:
description['readonly'] = True
description['states'] = {}
if attributes:
description = {k: v for k, v in description.iteritems()
if k in attributes}
res[fname] = description
return res
def get_empty_list_help(self, cr, user, help, context=None):
""" Generic method giving the help message displayed when having
no result to display in a list or kanban view. By default it returns
the help given in parameter that is generally the help message
defined in the action.
"""
return help
def check_field_access_rights(self, cr, user, operation, fields, context=None):
"""
Check the user access rights on the given fields. This raises Access
Denied if the user does not have the rights. Otherwise it returns the
fields (as is if the fields is not falsy, or the readable/writable
fields if fields is falsy).
"""
if user == SUPERUSER_ID:
return fields or list(self._fields)
def valid(fname):
""" determine whether user has access to field ``fname`` """
field = self._fields.get(fname)
if field and field.groups:
return self.user_has_groups(cr, user, groups=field.groups, context=context)
else:
return True
if not fields:
fields = filter(valid, self._fields)
else:
invalid_fields = set(filter(lambda name: not valid(name), fields))
if invalid_fields:
_logger.warning('Access Denied by ACLs for operation: %s, uid: %s, model: %s, fields: %s',
operation, user, self._name, ', '.join(invalid_fields))
raise AccessError(
_('The requested operation cannot be completed due to security restrictions. '
'Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % \
(self._description, operation))
return fields
# add explicit old-style implementation to read()
@api.v7
def read(self, cr, user, ids, fields=None, context=None, load='_classic_read'):
records = self.browse(cr, user, ids, context)
result = BaseModel.read(records, fields, load=load)
return result if isinstance(ids, list) else (bool(result) and result[0])
# new-style implementation of read()
@api.v8
def read(self, fields=None, load='_classic_read'):
""" read([fields])
Reads the requested fields for the records in ``self``, low-level/RPC
method. In Python code, prefer :meth:`~.browse`.
:param fields: list of field names to return (default is all fields)
:return: a list of dictionaries mapping field names to their values,
with one dictionary per record
:raise AccessError: if user has no read rights on some of the given
records
"""
# check access rights
self.check_access_rights('read')
fields = self.check_field_access_rights('read', fields)
# split fields into stored and computed fields
stored, inherited, computed = [], [], []
for name in fields:
if name in self._columns:
stored.append(name)
elif name in self._fields:
computed.append(name)
field = self._fields[name]
if field.inherited and field.base_field.column:
inherited.append(name)
else:
_logger.warning("%s.read() with unknown field '%s'", self._name, name)
# fetch stored fields from the database to the cache
self._read_from_database(stored, inherited)
# retrieve results from records; this takes values from the cache and
# computes remaining fields
result = []
name_fields = [(name, self._fields[name]) for name in (stored + computed)]
use_name_get = (load == '_classic_read')
for record in self:
try:
values = {'id': record.id}
for name, field in name_fields:
values[name] = field.convert_to_read(record[name], use_name_get)
result.append(values)
except MissingError:
pass
return result
@api.multi
def _prefetch_field(self, field):
""" Read from the database in order to fetch ``field`` (:class:`Field`
instance) for ``self`` in cache.
"""
# fetch the records of this model without field_name in their cache
records = self._in_cache_without(field)
if len(records) > PREFETCH_MAX:
records = records[:PREFETCH_MAX] | self
# determine which fields can be prefetched
if not self.env.in_draft and \
self._context.get('prefetch_fields', True) and \
self._columns[field.name]._prefetch:
# prefetch all classic and many2one fields that the user can access
fnames = {fname
for fname, fcolumn in self._columns.iteritems()
if fcolumn._prefetch
if not fcolumn.groups or self.user_has_groups(fcolumn.groups)
}
elif self._columns[field.name]._multi:
# prefetch all function fields with the same value for 'multi'
multi = self._columns[field.name]._multi
fnames = {fname
for fname, fcolumn in self._columns.iteritems()
if fcolumn._multi == multi
if not fcolumn.groups or self.user_has_groups(fcolumn.groups)
}
else:
fnames = {field.name}
# important: never prefetch fields to recompute!
get_recs_todo = self.env.field_todo
for fname in list(fnames):
if get_recs_todo(self._fields[fname]):
if fname == field.name:
records -= get_recs_todo(field)
else:
fnames.discard(fname)
# fetch records with read()
assert self in records and field.name in fnames
result = []
try:
result = records.read(list(fnames), load='_classic_write')
except AccessError:
# not all records may be accessible, try with only current record
result = self.read(list(fnames), load='_classic_write')
# check the cache, and update it if necessary
if field not in self._cache:
for values in result:
record = self.browse(values.pop('id'))
record._cache.update(record._convert_to_cache(values, validate=False))
if not self._cache.contains(field):
e = AccessError("No value found for %s.%s" % (self, field.name))
self._cache[field] = FailedValue(e)
@api.multi
def _read_from_database(self, field_names, inherited_field_names=[]):
""" Read the given fields of the records in ``self`` from the database,
and store them in cache. Access errors are also stored in cache.
:param field_names: list of column names of model ``self``; all those
fields are guaranteed to be read
:param inherited_field_names: list of column names from parent
models; some of those fields may not be read
"""
env = self.env
cr, user, context = env.args
# make a query object for selecting ids, and apply security rules to it
query = Query(['"%s"' % self._table], ['"%s".id IN %%s' % self._table], [])
self._apply_ir_rules(query, 'read')
order_str = self._generate_order_by(None, query)
# determine the fields that are stored as columns in tables;
# for the sake of simplicity, discard inherited translated fields
fields = map(self._fields.get, field_names + inherited_field_names)
fields_pre = [
field
for field in fields
if field.base_field.column._classic_write
if not (field.inherited and field.base_field.column.translate)
]
# the query may involve several tables: we need fully-qualified names
def qualify(field):
col = field.name
if field.inherited:
res = self._inherits_join_calc(self._table, field.name, query)
else:
res = '"%s"."%s"' % (self._table, col)
if field.type == 'binary' and (context.get('bin_size') or context.get('bin_size_' + col)):
# PG 9.2 introduces conflicting pg_size_pretty(numeric) -> need ::cast
res = 'pg_size_pretty(length(%s)::bigint) as "%s"' % (res, col)
return res
qual_names = map(qualify, set(fields_pre + [self._fields['id']]))
# determine the actual query to execute
from_clause, where_clause, where_params = query.get_sql()
query_str = """ SELECT %(qual_names)s FROM %(from_clause)s
WHERE %(where_clause)s %(order_str)s
""" % {
'qual_names': ",".join(qual_names),
'from_clause': from_clause,
'where_clause': where_clause,
'order_str': order_str,
}
result = []
for sub_ids in cr.split_for_in_conditions(self.ids):
cr.execute(query_str, [tuple(sub_ids)] + where_params)
result.extend(cr.dictfetchall())
ids = [vals['id'] for vals in result]
if ids:
# translate the fields if necessary
if context.get('lang'):
ir_translation = env['ir.translation']
for field in fields_pre:
if not field.inherited and field.column.translate:
f = field.name
#TODO: optimize out of this loop
res_trans = ir_translation._get_ids(
'%s,%s' % (self._name, f), 'model', context['lang'], ids)
for vals in result:
vals[f] = res_trans.get(vals['id'], False) or vals[f]
# apply the symbol_get functions of the fields we just read
for field in fields_pre:
symbol_get = field.base_field.column._symbol_get
if symbol_get:
f = field.name
for vals in result:
vals[f] = symbol_get(vals[f])
# store result in cache for POST fields
for vals in result:
record = self.browse(vals['id'])
record._cache.update(record._convert_to_cache(vals, validate=False))
# determine the fields that must be processed now;
# for the sake of simplicity, we ignore inherited fields
fields_post = [f for f in field_names if not self._columns[f]._classic_write]
# Compute POST fields, grouped by multi
by_multi = defaultdict(list)
for f in fields_post:
by_multi[self._columns[f]._multi].append(f)
for multi, fs in by_multi.iteritems():
if multi:
res2 = self._columns[fs[0]].get(cr, self._model, ids, fs, user, context=context, values=result)
assert res2 is not None, \
'The function field "%s" on the "%s" model returned None\n' \
'(a dictionary was expected).' % (fs[0], self._name)
for vals in result:
# TOCHECK : why got string instend of dict in python2.6
# if isinstance(res2[vals['id']], str): res2[vals['id']] = eval(res2[vals['id']])
multi_fields = res2.get(vals['id'], {})
if multi_fields:
for f in fs:
vals[f] = multi_fields.get(f, [])
else:
for f in fs:
res2 = self._columns[f].get(cr, self._model, ids, f, user, context=context, values=result)
for vals in result:
if res2:
vals[f] = res2[vals['id']]
else:
vals[f] = []
# Warn about deprecated fields now that fields_pre and fields_post are computed
for f in field_names:
column = self._columns[f]
if column.deprecated:
_logger.warning('Field %s.%s is deprecated: %s', self._name, f, column.deprecated)
# store result in cache
for vals in result:
record = self.browse(vals.pop('id'))
record._cache.update(record._convert_to_cache(vals, validate=False))
# store failed values in cache for the records that could not be read
fetched = self.browse(ids)
missing = self - fetched
if missing:
extras = fetched - self
if extras:
raise AccessError(
_("Database fetch misses ids ({}) and has extra ids ({}), may be caused by a type incoherence in a previous request").format(
', '.join(map(repr, missing._ids)),
', '.join(map(repr, extras._ids)),
))
# store an access error exception in existing records
exc = AccessError(
_('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % \
(self._name, 'read')
)
forbidden = missing.exists()
forbidden._cache.update(FailedValue(exc))
# store a missing error exception in non-existing records
exc = MissingError(
_('One of the documents you are trying to access has been deleted, please try again after refreshing.')
)
(missing - forbidden)._cache.update(FailedValue(exc))
@api.multi
def get_metadata(self):
"""
Returns some metadata about the given records.
:return: list of ownership dictionaries for each requested record
:rtype: list of dictionaries with the following keys:
* id: object id
* create_uid: user who created the record
* create_date: date when the record was created
* write_uid: last user who changed the record
* write_date: date of the last change to the record
* xmlid: XML ID to use to refer to this record (if there is one), in format ``module.name``
* noupdate: A boolean telling if the record will be updated or not
"""
fields = ['id']
if self._log_access:
fields += ['create_uid', 'create_date', 'write_uid', 'write_date']
quoted_table = '"%s"' % self._table
fields_str = ",".join('%s.%s' % (quoted_table, field) for field in fields)
query = '''SELECT %s, __imd.noupdate, __imd.module, __imd.name
FROM %s LEFT JOIN ir_model_data __imd
ON (__imd.model = %%s and __imd.res_id = %s.id)
WHERE %s.id IN %%s''' % (fields_str, quoted_table, quoted_table, quoted_table)
self._cr.execute(query, (self._name, tuple(self.ids)))
res = self._cr.dictfetchall()
uids = set(r[k] for r in res for k in ['write_uid', 'create_uid'] if r.get(k))
names = dict(self.env['res.users'].browse(uids).name_get())
for r in res:
for key in r:
value = r[key] = r[key] or False
if key in ('write_uid', 'create_uid') and value in names:
r[key] = (value, names[value])
r['xmlid'] = ("%(module)s.%(name)s" % r) if r['name'] else False
del r['name'], r['module']
return res
def _check_concurrency(self, cr, ids, context):
if not context:
return
if not (context.get(self.CONCURRENCY_CHECK_FIELD) and self._log_access):
return
check_clause = "(id = %s AND %s < COALESCE(write_date, create_date, (now() at time zone 'UTC'))::timestamp)"
for sub_ids in cr.split_for_in_conditions(ids):
ids_to_check = []
for id in sub_ids:
id_ref = "%s,%s" % (self._name, id)
update_date = context[self.CONCURRENCY_CHECK_FIELD].pop(id_ref, None)
if update_date:
ids_to_check.extend([id, update_date])
if not ids_to_check:
continue
cr.execute("SELECT id FROM %s WHERE %s" % (self._table, " OR ".join([check_clause]*(len(ids_to_check)/2))), tuple(ids_to_check))
res = cr.fetchone()
if res:
# mention the first one only to keep the error message readable
raise except_orm('ConcurrencyException', _('A document was modified since you last viewed it (%s:%d)') % (self._description, res[0]))
def _check_record_rules_result_count(self, cr, uid, ids, result_ids, operation, context=None):
"""Verify the returned rows after applying record rules matches
the length of ``ids``, and raise an appropriate exception if it does not.
"""
if context is None:
context = {}
ids, result_ids = set(ids), set(result_ids)
missing_ids = ids - result_ids
if missing_ids:
# Attempt to distinguish record rule restriction vs deleted records,
# to provide a more specific error message - check if the missinf
cr.execute('SELECT id FROM ' + self._table + ' WHERE id IN %s', (tuple(missing_ids),))
forbidden_ids = [x[0] for x in cr.fetchall()]
if forbidden_ids:
# the missing ids are (at least partially) hidden by access rules
if uid == SUPERUSER_ID:
return
_logger.warning('Access Denied by record rules for operation: %s on record ids: %r, uid: %s, model: %s', operation, forbidden_ids, uid, self._name)
raise except_orm(_('Access Denied'),
_('The requested operation cannot be completed due to security restrictions. Please contact your system administrator.\n\n(Document type: %s, Operation: %s)') % \
(self._description, operation))
else:
# If we get here, the missing_ids are not in the database
if operation in ('read','unlink'):
# No need to warn about deleting an already deleted record.
# And no error when reading a record that was deleted, to prevent spurious
# errors for non-transactional search/read sequences coming from clients
return
_logger.warning('Failed operation on deleted record(s): %s, uid: %s, model: %s', operation, uid, self._name)
raise MissingError(
_('One of the documents you are trying to access has been deleted, please try again after refreshing.'))
def check_access_rights(self, cr, uid, operation, raise_exception=True): # no context on purpose.
"""Verifies that the operation given by ``operation`` is allowed for the user
according to the access rights."""
return self.pool.get('ir.model.access').check(cr, uid, self._name, operation, raise_exception)
def check_access_rule(self, cr, uid, ids, operation, context=None):
"""Verifies that the operation given by ``operation`` is allowed for the user
according to ir.rules.
:param operation: one of ``write``, ``unlink``
:raise except_orm: * if current ir.rules do not permit this operation.
:return: None if the operation is allowed
"""
if uid == SUPERUSER_ID:
return
if self.is_transient():
# Only one single implicit access rule for transient models: owner only!
# This is ok to hardcode because we assert that TransientModels always
# have log_access enabled so that the create_uid column is always there.
# And even with _inherits, these fields are always present in the local
# table too, so no need for JOINs.
cr.execute("""SELECT distinct create_uid
FROM %s
WHERE id IN %%s""" % self._table, (tuple(ids),))
uids = [x[0] for x in cr.fetchall()]
if len(uids) != 1 or uids[0] != uid:
raise except_orm(_('Access Denied'),
_('For this kind of document, you may only access records you created yourself.\n\n(Document type: %s)') % (self._description,))
else:
where_clause, where_params, tables = self.pool.get('ir.rule').domain_get(cr, uid, self._name, operation, context=context)
if where_clause:
where_clause = ' and ' + ' and '.join(where_clause)
for sub_ids in cr.split_for_in_conditions(ids):
cr.execute('SELECT ' + self._table + '.id FROM ' + ','.join(tables) +
' WHERE ' + self._table + '.id IN %s' + where_clause,
[sub_ids] + where_params)
returned_ids = [x['id'] for x in cr.dictfetchall()]
self._check_record_rules_result_count(cr, uid, sub_ids, returned_ids, operation, context=context)
def create_workflow(self, cr, uid, ids, context=None):
"""Create a workflow instance for each given record IDs."""
from openerp import workflow
for res_id in ids:
workflow.trg_create(uid, self._name, res_id, cr)
# self.invalidate_cache(cr, uid, context=context) ?
return True
def delete_workflow(self, cr, uid, ids, context=None):
"""Delete the workflow instances bound to the given record IDs."""
from openerp import workflow
for res_id in ids:
workflow.trg_delete(uid, self._name, res_id, cr)
self.invalidate_cache(cr, uid, context=context)
return True
def step_workflow(self, cr, uid, ids, context=None):
"""Reevaluate the workflow instances of the given record IDs."""
from openerp import workflow
for res_id in ids:
workflow.trg_write(uid, self._name, res_id, cr)
# self.invalidate_cache(cr, uid, context=context) ?
return True
def signal_workflow(self, cr, uid, ids, signal, context=None):
"""Send given workflow signal and return a dict mapping ids to workflow results"""
from openerp import workflow
result = {}
for res_id in ids:
result[res_id] = workflow.trg_validate(uid, self._name, res_id, signal, cr)
# self.invalidate_cache(cr, uid, context=context) ?
return result
def redirect_workflow(self, cr, uid, old_new_ids, context=None):
""" Rebind the workflow instance bound to the given 'old' record IDs to
the given 'new' IDs. (``old_new_ids`` is a list of pairs ``(old, new)``.
"""
from openerp import workflow
for old_id, new_id in old_new_ids:
workflow.trg_redirect(uid, self._name, old_id, new_id, cr)
self.invalidate_cache(cr, uid, context=context)
return True
def unlink(self, cr, uid, ids, context=None):
""" unlink()
Deletes the records of the current set
:raise AccessError: * if user has no unlink rights on the requested object
* if user tries to bypass access rules for unlink on the requested object
:raise UserError: if the record is default property for other records
"""
if not ids:
return True
if isinstance(ids, (int, long)):
ids = [ids]
result_store = self._store_get_values(cr, uid, ids, self._fields.keys(), context)
# for recomputing new-style fields
recs = self.browse(cr, uid, ids, context)
recs.modified(self._fields)
self._check_concurrency(cr, ids, context)
self.check_access_rights(cr, uid, 'unlink')
ir_property = self.pool.get('ir.property')
# Check if the records are used as default properties.
domain = [('res_id', '=', False),
('value_reference', 'in', ['%s,%s' % (self._name, i) for i in ids]),
]
if ir_property.search(cr, uid, domain, context=context):
raise except_orm(_('Error'), _('Unable to delete this document because it is used as a default property'))
# Delete the records' properties.
property_ids = ir_property.search(cr, uid, [('res_id', 'in', ['%s,%s' % (self._name, i) for i in ids])], context=context)
ir_property.unlink(cr, uid, property_ids, context=context)
self.delete_workflow(cr, uid, ids, context=context)
self.check_access_rule(cr, uid, ids, 'unlink', context=context)
pool_model_data = self.pool.get('ir.model.data')
ir_values_obj = self.pool.get('ir.values')
ir_attachment_obj = self.pool.get('ir.attachment')
for sub_ids in cr.split_for_in_conditions(ids):
cr.execute('delete from ' + self._table + ' ' \
'where id IN %s', (sub_ids,))
# Removing the ir_model_data reference if the record being deleted is a record created by xml/csv file,
# as these are not connected with real database foreign keys, and would be dangling references.
# Note: following steps performed as admin to avoid access rights restrictions, and with no context
# to avoid possible side-effects during admin calls.
# Step 1. Calling unlink of ir_model_data only for the affected IDS
reference_ids = pool_model_data.search(cr, SUPERUSER_ID, [('res_id','in',list(sub_ids)),('model','=',self._name)])
# Step 2. Marching towards the real deletion of referenced records
if reference_ids:
pool_model_data.unlink(cr, SUPERUSER_ID, reference_ids)
# For the same reason, removing the record relevant to ir_values
ir_value_ids = ir_values_obj.search(cr, uid,
['|',('value','in',['%s,%s' % (self._name, sid) for sid in sub_ids]),'&',('res_id','in',list(sub_ids)),('model','=',self._name)],
context=context)
if ir_value_ids:
ir_values_obj.unlink(cr, uid, ir_value_ids, context=context)
# For the same reason, removing the record relevant to ir_attachment
# The search is performed with sql as the search method of ir_attachment is overridden to hide attachments of deleted records
cr.execute('select id from ir_attachment where res_model = %s and res_id in %s', (self._name, sub_ids))
ir_attachment_ids = [ir_attachment[0] for ir_attachment in cr.fetchall()]
if ir_attachment_ids:
ir_attachment_obj.unlink(cr, uid, ir_attachment_ids, context=context)
# invalidate the *whole* cache, since the orm does not handle all
# changes made in the database, like cascading delete!
recs.invalidate_cache()
for order, obj_name, store_ids, fields in result_store:
if obj_name == self._name:
effective_store_ids = set(store_ids) - set(ids)
else:
effective_store_ids = store_ids
if effective_store_ids:
obj = self.pool[obj_name]
cr.execute('select id from '+obj._table+' where id IN %s', (tuple(effective_store_ids),))
rids = map(lambda x: x[0], cr.fetchall())
if rids:
obj._store_set_values(cr, uid, rids, fields, context)
# recompute new-style fields
recs.recompute()
return True
#
# TODO: Validate
#
@api.multi
def write(self, vals):
""" write(vals)
Updates all records in the current set with the provided values.
:param dict vals: fields to update and the value to set on them e.g::
{'foo': 1, 'bar': "Qux"}
will set the field ``foo`` to ``1`` and the field ``bar`` to
``"Qux"`` if those are valid (otherwise it will trigger an error).
:raise AccessError: * if user has no write rights on the requested object
* if user tries to bypass access rules for write on the requested object
:raise ValidateError: if user tries to enter invalid value for a field that is not in selection
:raise UserError: if a loop would be created in a hierarchy of objects a result of the operation (such as setting an object as its own parent)
* For numeric fields (:class:`~openerp.fields.Integer`,
:class:`~openerp.fields.Float`) the value should be of the
corresponding type
* For :class:`~openerp.fields.Boolean`, the value should be a
:class:`python:bool`
* For :class:`~openerp.fields.Selection`, the value should match the
selection values (generally :class:`python:str`, sometimes
:class:`python:int`)
* For :class:`~openerp.fields.Many2one`, the value should be the
database identifier of the record to set
* Other non-relational fields use a string for value
.. danger::
for historical and compatibility reasons,
:class:`~openerp.fields.Date` and
:class:`~openerp.fields.Datetime` fields use strings as values
(written and read) rather than :class:`~python:datetime.date` or
:class:`~python:datetime.datetime`. These date strings are
UTC-only and formatted according to
:const:`openerp.tools.misc.DEFAULT_SERVER_DATE_FORMAT` and
:const:`openerp.tools.misc.DEFAULT_SERVER_DATETIME_FORMAT`
* .. _openerp/models/relationals/format:
:class:`~openerp.fields.One2many` and
:class:`~openerp.fields.Many2many` use a special "commands" format to
manipulate the set of records stored in/associated with the field.
This format is a list of triplets executed sequentially, where each
triplet is a command to execute on the set of records. Not all
commands apply in all situations. Possible commands are:
``(0, _, values)``
adds a new record created from the provided ``value`` dict.
``(1, id, values)``
updates an existing record of id ``id`` with the values in
``values``. Can not be used in :meth:`~.create`.
``(2, id, _)``
removes the record of id ``id`` from the set, then deletes it
(from the database). Can not be used in :meth:`~.create`.
``(3, id, _)``
removes the record of id ``id`` from the set, but does not
delete it. Can not be used on
:class:`~openerp.fields.One2many`. Can not be used in
:meth:`~.create`.
``(4, id, _)``
adds an existing record of id ``id`` to the set. Can not be
used on :class:`~openerp.fields.One2many`.
``(5, _, _)``
removes all records from the set, equivalent to using the
command ``3`` on every record explicitly. Can not be used on
:class:`~openerp.fields.One2many`. Can not be used in
:meth:`~.create`.
``(6, _, ids)``
replaces all existing records in the set by the ``ids`` list,
equivalent to using the command ``5`` followed by a command
``4`` for each ``id`` in ``ids``. Can not be used on
:class:`~openerp.fields.One2many`.
.. note:: Values marked as ``_`` in the list above are ignored and
can be anything, generally ``0`` or ``False``.
"""
if not self:
return True
self._check_concurrency(self._ids)
self.check_access_rights('write')
# No user-driven update of these columns
for field in itertools.chain(MAGIC_COLUMNS, ('parent_left', 'parent_right')):
vals.pop(field, None)
# split up fields into old-style and pure new-style ones
old_vals, new_vals, unknown = {}, {}, []
for key, val in vals.iteritems():
field = self._fields.get(key)
if field:
if field.column or field.inherited:
old_vals[key] = val
if field.inverse and not field.inherited:
new_vals[key] = val
else:
unknown.append(key)
if unknown:
_logger.warning("%s.write() with unknown fields: %s", self._name, ', '.join(sorted(unknown)))
# write old-style fields with (low-level) method _write
if old_vals:
self._write(old_vals)
# put the values of pure new-style fields into cache, and inverse them
if new_vals:
for record in self:
record._cache.update(record._convert_to_cache(new_vals, update=True))
for key in new_vals:
self._fields[key].determine_inverse(self)
return True
def _write(self, cr, user, ids, vals, context=None):
# low-level implementation of write()
if not context:
context = {}
readonly = None
self.check_field_access_rights(cr, user, 'write', vals.keys())
deleted_related = defaultdict(list)
for field in vals.keys():
fobj = None
if field in self._columns:
fobj = self._columns[field]
elif field in self._inherit_fields:
fobj = self._inherit_fields[field][2]
if not fobj:
continue
if fobj._type in ['one2many', 'many2many'] and vals[field]:
for wtuple in vals[field]:
if isinstance(wtuple, (tuple, list)) and wtuple[0] == 2:
deleted_related[fobj._obj].append(wtuple[1])
groups = fobj.write
if groups:
edit = False
for group in groups:
module = group.split(".")[0]
grp = group.split(".")[1]
cr.execute("select count(*) from res_groups_users_rel where gid IN (select res_id from ir_model_data where name=%s and module=%s and model=%s) and uid=%s", \
(grp, module, 'res.groups', user))
readonly = cr.fetchall()
if readonly[0][0] >= 1:
edit = True
break
if not edit:
vals.pop(field)
result = self._store_get_values(cr, user, ids, vals.keys(), context) or []
# for recomputing new-style fields
recs = self.browse(cr, user, ids, context)
modified_fields = list(vals)
if self._log_access:
modified_fields += ['write_date', 'write_uid']
recs.modified(modified_fields)
parents_changed = []
parent_order = self._parent_order or self._order
if self._parent_store and (self._parent_name in vals) and not context.get('defer_parent_store_computation'):
# The parent_left/right computation may take up to
# 5 seconds. No need to recompute the values if the
# parent is the same.
# Note: to respect parent_order, nodes must be processed in
# order, so ``parents_changed`` must be ordered properly.
parent_val = vals[self._parent_name]
if parent_val:
query = "SELECT id FROM %s WHERE id IN %%s AND (%s != %%s OR %s IS NULL) ORDER BY %s" % \
(self._table, self._parent_name, self._parent_name, parent_order)
cr.execute(query, (tuple(ids), parent_val))
else:
query = "SELECT id FROM %s WHERE id IN %%s AND (%s IS NOT NULL) ORDER BY %s" % \
(self._table, self._parent_name, parent_order)
cr.execute(query, (tuple(ids),))
parents_changed = map(operator.itemgetter(0), cr.fetchall())
updates = [] # list of (column, expr) or (column, pattern, value)
upd_todo = []
updend = []
direct = []
totranslate = context.get('lang', False) and (context['lang'] != 'en_US')
for field in vals:
ffield = self._fields.get(field)
if ffield and ffield.deprecated:
_logger.warning('Field %s.%s is deprecated: %s', self._name, field, ffield.deprecated)
if field in self._columns:
column = self._columns[field]
if hasattr(column, 'selection') and vals[field]:
self._check_selection_field_value(cr, user, field, vals[field], context=context)
if column._classic_write and not hasattr(column, '_fnct_inv'):
if (not totranslate) or not column.translate:
updates.append((field, '%s', column._symbol_set[1](vals[field])))
direct.append(field)
else:
upd_todo.append(field)
else:
updend.append(field)
if self._log_access:
updates.append(('write_uid', '%s', user))
updates.append(('write_date', "(now() at time zone 'UTC')"))
direct.append('write_uid')
direct.append('write_date')
if updates:
self.check_access_rule(cr, user, ids, 'write', context=context)
query = 'UPDATE "%s" SET %s WHERE id IN %%s' % (
self._table, ','.join('"%s"=%s' % u[:2] for u in updates),
)
params = tuple(u[2] for u in updates if len(u) > 2)
for sub_ids in cr.split_for_in_conditions(ids):
cr.execute(query, params + (sub_ids,))
if cr.rowcount != len(sub_ids):
raise MissingError(_('One of the records you are trying to modify has already been deleted (Document type: %s).') % self._description)
if totranslate:
# TODO: optimize
for f in direct:
if self._columns[f].translate:
src_trans = self.pool[self._name].read(cr, user, ids, [f])[0][f]
if not src_trans:
src_trans = vals[f]
# Inserting value to DB
context_wo_lang = dict(context, lang=None)
self.write(cr, user, ids, {f: vals[f]}, context=context_wo_lang)
self.pool.get('ir.translation')._set_ids(cr, user, self._name+','+f, 'model', context['lang'], ids, vals[f], src_trans)
# invalidate and mark new-style fields to recompute; do this before
# setting other fields, because it can require the value of computed
# fields, e.g., a one2many checking constraints on records
recs.modified(direct)
# call the 'set' method of fields which are not classic_write
upd_todo.sort(lambda x, y: self._columns[x].priority-self._columns[y].priority)
# default element in context must be removed when call a one2many or many2many
rel_context = context.copy()
for c in context.items():
if c[0].startswith('default_'):
del rel_context[c[0]]
for field in upd_todo:
for id in ids:
result += self._columns[field].set(cr, self, id, field, vals[field], user, context=rel_context) or []
# for recomputing new-style fields
recs.modified(upd_todo)
unknown_fields = set(updend)
for table, inherit_field in self._inherits.iteritems():
col = self._inherits[table]
nids = []
for sub_ids in cr.split_for_in_conditions(ids):
cr.execute('select distinct "'+col+'" from "'+self._table+'" ' \
'where id IN %s', (sub_ids,))
nids.extend([x[0] for x in cr.fetchall()])
v = {}
for fname in updend:
field = self._fields[fname]
if field.inherited and field.related[0] == inherit_field:
v[fname] = vals[fname]
unknown_fields.discard(fname)
if v:
self.pool[table].write(cr, user, nids, v, context)
if unknown_fields:
_logger.warning(
'No such field(s) in model %s: %s.',
self._name, ', '.join(unknown_fields))
# check Python constraints
recs._validate_fields(vals)
# TODO: use _order to set dest at the right position and not first node of parent
# We can't defer parent_store computation because the stored function
# fields that are computer may refer (directly or indirectly) to
# parent_left/right (via a child_of domain)
if parents_changed:
if self.pool._init:
self.pool._init_parent[self._name] = True
else:
order = self._parent_order or self._order
parent_val = vals[self._parent_name]
if parent_val:
clause, params = '%s=%%s' % (self._parent_name,), (parent_val,)
else:
clause, params = '%s IS NULL' % (self._parent_name,), ()
for id in parents_changed:
cr.execute('SELECT parent_left, parent_right FROM %s WHERE id=%%s' % (self._table,), (id,))
pleft, pright = cr.fetchone()
distance = pright - pleft + 1
# Positions of current siblings, to locate proper insertion point;
# this can _not_ be fetched outside the loop, as it needs to be refreshed
# after each update, in case several nodes are sequentially inserted one
# next to the other (i.e computed incrementally)
cr.execute('SELECT parent_right, id FROM %s WHERE %s ORDER BY %s' % (self._table, clause, parent_order), params)
parents = cr.fetchall()
# Find Position of the element
position = None
for (parent_pright, parent_id) in parents:
if parent_id == id:
break
position = parent_pright and parent_pright + 1 or 1
# It's the first node of the parent
if not position:
if not parent_val:
position = 1
else:
cr.execute('select parent_left from '+self._table+' where id=%s', (parent_val,))
position = cr.fetchone()[0] + 1
if pleft < position <= pright:
raise except_orm(_('UserError'), _('Recursivity Detected.'))
if pleft < position:
cr.execute('update '+self._table+' set parent_left=parent_left+%s where parent_left>=%s', (distance, position))
cr.execute('update '+self._table+' set parent_right=parent_right+%s where parent_right>=%s', (distance, position))
cr.execute('update '+self._table+' set parent_left=parent_left+%s, parent_right=parent_right+%s where parent_left>=%s and parent_left<%s', (position-pleft, position-pleft, pleft, pright))
else:
cr.execute('update '+self._table+' set parent_left=parent_left+%s where parent_left>=%s', (distance, position))
cr.execute('update '+self._table+' set parent_right=parent_right+%s where parent_right>=%s', (distance, position))
cr.execute('update '+self._table+' set parent_left=parent_left-%s, parent_right=parent_right-%s where parent_left>=%s and parent_left<%s', (pleft-position+distance, pleft-position+distance, pleft+distance, pright+distance))
recs.invalidate_cache(['parent_left', 'parent_right'])
result += self._store_get_values(cr, user, ids, vals.keys(), context)
done = {}
recs.env.recompute_old.extend(result)
while recs.env.recompute_old:
sorted_recompute_old = sorted(recs.env.recompute_old)
recs.env.clear_recompute_old()
for __, model_name, ids_to_update, fields_to_recompute in \
sorted_recompute_old:
key = (model_name, tuple(fields_to_recompute))
done.setdefault(key, {})
# avoid to do several times the same computation
todo = []
for id in ids_to_update:
if id not in done[key]:
done[key][id] = True
if id not in deleted_related[model_name]:
todo.append(id)
self.pool[model_name]._store_set_values(
cr, user, todo, fields_to_recompute, context)
# recompute new-style fields
if recs.env.recompute and context.get('recompute', True):
recs.recompute()
self.step_workflow(cr, user, ids, context=context)
return True
#
# TODO: Should set perm to user.xxx
#
@api.model
@api.returns('self', lambda value: value.id)
def create(self, vals):
""" create(vals) -> record
Creates a new record for the model.
The new record is initialized using the values from ``vals`` and
if necessary those from :meth:`~.default_get`.
:param dict vals:
values for the model's fields, as a dictionary::
{'field_name': field_value, ...}
see :meth:`~.write` for details
:return: new record created
:raise AccessError: * if user has no create rights on the requested object
* if user tries to bypass access rules for create on the requested object
:raise ValidateError: if user tries to enter invalid value for a field that is not in selection
:raise UserError: if a loop would be created in a hierarchy of objects a result of the operation (such as setting an object as its own parent)
"""
self.check_access_rights('create')
# add missing defaults, and drop fields that may not be set by user
vals = self._add_missing_default_values(vals)
for field in itertools.chain(MAGIC_COLUMNS, ('parent_left', 'parent_right')):
vals.pop(field, None)
# split up fields into old-style and pure new-style ones
old_vals, new_vals, unknown = {}, {}, []
for key, val in vals.iteritems():
field = self._fields.get(key)
if field:
if field.column or field.inherited:
old_vals[key] = val
if field.inverse and not field.inherited:
new_vals[key] = val
else:
unknown.append(key)
if unknown:
_logger.warning("%s.create() with unknown fields: %s", self._name, ', '.join(sorted(unknown)))
# create record with old-style fields
record = self.browse(self._create(old_vals))
# put the values of pure new-style fields into cache, and inverse them
record._cache.update(record._convert_to_cache(new_vals))
for key in new_vals:
self._fields[key].determine_inverse(record)
return record
def _create(self, cr, user, vals, context=None):
# low-level implementation of create()
if not context:
context = {}
if self.is_transient():
self._transient_vacuum(cr, user)
tocreate = {}
for v in self._inherits:
if self._inherits[v] not in vals:
tocreate[v] = {}
else:
tocreate[v] = {'id': vals[self._inherits[v]]}
updates = [
# list of column assignments defined as tuples like:
# (column_name, format_string, column_value)
# (column_name, sql_formula)
# Those tuples will be used by the string formatting for the INSERT
# statement below.
('id', "nextval('%s')" % self._sequence),
]
upd_todo = []
unknown_fields = []
for v in vals.keys():
if v in self._inherit_fields and v not in self._columns:
(table, col, col_detail, original_parent) = self._inherit_fields[v]
tocreate[table][v] = vals[v]
del vals[v]
else:
if (v not in self._inherit_fields) and (v not in self._columns):
del vals[v]
unknown_fields.append(v)
if unknown_fields:
_logger.warning(
'No such field(s) in model %s: %s.',
self._name, ', '.join(unknown_fields))
for table in tocreate:
if self._inherits[table] in vals:
del vals[self._inherits[table]]
record_id = tocreate[table].pop('id', None)
if record_id is None or not record_id:
record_id = self.pool[table].create(cr, user, tocreate[table], context=context)
else:
self.pool[table].write(cr, user, [record_id], tocreate[table], context=context)
updates.append((self._inherits[table], '%s', record_id))
#Start : Set bool fields to be False if they are not touched(to make search more powerful)
bool_fields = [x for x in self._columns.keys() if self._columns[x]._type=='boolean']
for bool_field in bool_fields:
if bool_field not in vals:
vals[bool_field] = False
#End
for field in vals.keys():
fobj = None
if field in self._columns:
fobj = self._columns[field]
else:
fobj = self._inherit_fields[field][2]
if not fobj:
continue
groups = fobj.write
if groups:
edit = False
for group in groups:
module = group.split(".")[0]
grp = group.split(".")[1]
cr.execute("select count(*) from res_groups_users_rel where gid IN (select res_id from ir_model_data where name='%s' and module='%s' and model='%s') and uid=%s" % \
(grp, module, 'res.groups', user))
readonly = cr.fetchall()
if readonly[0][0] >= 1:
edit = True
break
elif readonly[0][0] == 0:
edit = False
else:
edit = False
if not edit:
vals.pop(field)
for field in vals:
current_field = self._columns[field]
if current_field._classic_write:
updates.append((field, '%s', current_field._symbol_set[1](vals[field])))
#for the function fields that receive a value, we set them directly in the database
#(they may be required), but we also need to trigger the _fct_inv()
if (hasattr(current_field, '_fnct_inv')) and not isinstance(current_field, fields.related):
#TODO: this way to special case the related fields is really creepy but it shouldn't be changed at
#one week of the release candidate. It seems the only good way to handle correctly this is to add an
#attribute to make a field `really readonly´ and thus totally ignored by the create()... otherwise
#if, for example, the related has a default value (for usability) then the fct_inv is called and it
#may raise some access rights error. Changing this is a too big change for now, and is thus postponed
#after the release but, definitively, the behavior shouldn't be different for related and function
#fields.
upd_todo.append(field)
else:
#TODO: this `if´ statement should be removed because there is no good reason to special case the fields
#related. See the above TODO comment for further explanations.
if not isinstance(current_field, fields.related):
upd_todo.append(field)
if field in self._columns \
and hasattr(current_field, 'selection') \
and vals[field]:
self._check_selection_field_value(cr, user, field, vals[field], context=context)
if self._log_access:
updates.append(('create_uid', '%s', user))
updates.append(('write_uid', '%s', user))
updates.append(('create_date', "(now() at time zone 'UTC')"))
updates.append(('write_date', "(now() at time zone 'UTC')"))
# the list of tuples used in this formatting corresponds to
# tuple(field_name, format, value)
# In some case, for example (id, create_date, write_date) we does not
# need to read the third value of the tuple, because the real value is
# encoded in the second value (the format).
cr.execute(
"""INSERT INTO "%s" (%s) VALUES(%s) RETURNING id""" % (
self._table,
', '.join('"%s"' % u[0] for u in updates),
', '.join(u[1] for u in updates)
),
tuple([u[2] for u in updates if len(u) > 2])
)
id_new, = cr.fetchone()
recs = self.browse(cr, user, id_new, context)
if self._parent_store and not context.get('defer_parent_store_computation'):
if self.pool._init:
self.pool._init_parent[self._name] = True
else:
parent = vals.get(self._parent_name, False)
if parent:
cr.execute('select parent_right from '+self._table+' where '+self._parent_name+'=%s order by '+(self._parent_order or self._order), (parent,))
pleft_old = None
result_p = cr.fetchall()
for (pleft,) in result_p:
if not pleft:
break
pleft_old = pleft
if not pleft_old:
cr.execute('select parent_left from '+self._table+' where id=%s', (parent,))
pleft_old = cr.fetchone()[0]
pleft = pleft_old
else:
cr.execute('select max(parent_right) from '+self._table)
pleft = cr.fetchone()[0] or 0
cr.execute('update '+self._table+' set parent_left=parent_left+2 where parent_left>%s', (pleft,))
cr.execute('update '+self._table+' set parent_right=parent_right+2 where parent_right>%s', (pleft,))
cr.execute('update '+self._table+' set parent_left=%s,parent_right=%s where id=%s', (pleft+1, pleft+2, id_new))
recs.invalidate_cache(['parent_left', 'parent_right'])
# invalidate and mark new-style fields to recompute; do this before
# setting other fields, because it can require the value of computed
# fields, e.g., a one2many checking constraints on records
recs.modified(self._fields)
# call the 'set' method of fields which are not classic_write
upd_todo.sort(lambda x, y: self._columns[x].priority-self._columns[y].priority)
# default element in context must be remove when call a one2many or many2many
rel_context = context.copy()
for c in context.items():
if c[0].startswith('default_'):
del rel_context[c[0]]
result = []
for field in upd_todo:
result += self._columns[field].set(cr, self, id_new, field, vals[field], user, rel_context) or []
# for recomputing new-style fields
recs.modified(upd_todo)
# check Python constraints
recs._validate_fields(vals)
result += self._store_get_values(cr, user, [id_new],
list(set(vals.keys() + self._inherits.values())),
context)
recs.env.recompute_old.extend(result)
if recs.env.recompute and context.get('recompute', True):
done = []
while recs.env.recompute_old:
sorted_recompute_old = sorted(recs.env.recompute_old)
recs.env.clear_recompute_old()
for __, model_name, ids, fields2 in sorted_recompute_old:
if not (model_name, ids, fields2) in done:
self.pool[model_name]._store_set_values(
cr, user, ids, fields2, context)
done.append((model_name, ids, fields2))
# recompute new-style fields
recs.recompute()
if self._log_create and recs.env.recompute and context.get('recompute', True):
message = self._description + \
" '" + \
self.name_get(cr, user, [id_new], context=context)[0][1] + \
"' " + _("created.")
self.log(cr, user, id_new, message, True, context=context)
self.check_access_rule(cr, user, [id_new], 'create', context=context)
self.create_workflow(cr, user, [id_new], context=context)
return id_new
def _store_get_values(self, cr, uid, ids, fields, context):
"""Returns an ordered list of fields.function to call due to
an update operation on ``fields`` of records with ``ids``,
obtained by calling the 'store' triggers of these fields,
as setup by their 'store' attribute.
:return: [(priority, model_name, [record_ids,], [function_fields,])]
"""
if fields is None: fields = []
stored_functions = self.pool._store_function.get(self._name, [])
# use indexed names for the details of the stored_functions:
model_name_, func_field_to_compute_, target_ids_func_, trigger_fields_, priority_ = range(5)
# only keep store triggers that should be triggered for the ``fields``
# being written to.
triggers_to_compute = (
f for f in stored_functions
if not f[trigger_fields_] or set(fields).intersection(f[trigger_fields_])
)
to_compute_map = {}
target_id_results = {}
for store_trigger in triggers_to_compute:
target_func_id_ = id(store_trigger[target_ids_func_])
if target_func_id_ not in target_id_results:
# use admin user for accessing objects having rules defined on store fields
target_id_results[target_func_id_] = [i for i in store_trigger[target_ids_func_](self, cr, SUPERUSER_ID, ids, context) if i]
target_ids = target_id_results[target_func_id_]
# the compound key must consider the priority and model name
key = (store_trigger[priority_], store_trigger[model_name_])
for target_id in target_ids:
to_compute_map.setdefault(key, {}).setdefault(target_id,set()).add(tuple(store_trigger))
# Here to_compute_map looks like:
# { (10, 'model_a') : { target_id1: [ (trigger_1_tuple, trigger_2_tuple) ], ... }
# (20, 'model_a') : { target_id2: [ (trigger_3_tuple, trigger_4_tuple) ], ... }
# (99, 'model_a') : { target_id1: [ (trigger_5_tuple, trigger_6_tuple) ], ... }
# }
# Now we need to generate the batch function calls list
# call_map =
# { (10, 'model_a') : [(10, 'model_a', [record_ids,], [function_fields,])] }
call_map = {}
for ((priority,model), id_map) in to_compute_map.iteritems():
trigger_ids_maps = {}
# function_ids_maps =
# { (function_1_tuple, function_2_tuple) : [target_id1, target_id2, ..] }
for target_id, triggers in id_map.iteritems():
trigger_ids_maps.setdefault(tuple(triggers), []).append(target_id)
for triggers, target_ids in trigger_ids_maps.iteritems():
call_map.setdefault((priority,model),[]).append((priority, model, target_ids,
[t[func_field_to_compute_] for t in triggers]))
result = []
if call_map:
result = reduce(operator.add, (call_map[k] for k in sorted(call_map)))
return result
def _store_set_values(self, cr, uid, ids, fields, context):
"""Calls the fields.function's "implementation function" for all ``fields``, on records with ``ids`` (taking care of
respecting ``multi`` attributes), and stores the resulting values in the database directly."""
if not ids:
return True
field_flag = False
field_dict = {}
if self._log_access:
cr.execute('select id,write_date from '+self._table+' where id IN %s', (tuple(ids),))
res = cr.fetchall()
for r in res:
if r[1]:
field_dict.setdefault(r[0], [])
res_date = time.strptime((r[1])[:19], '%Y-%m-%d %H:%M:%S')
write_date = datetime.datetime.fromtimestamp(time.mktime(res_date))
for i in self.pool._store_function.get(self._name, []):
if i[5]:
up_write_date = write_date + datetime.timedelta(hours=i[5])
if datetime.datetime.now() < up_write_date:
if i[1] in fields:
field_dict[r[0]].append(i[1])
if not field_flag:
field_flag = True
todo = {}
keys = []
for f in fields:
if self._columns[f]._multi not in keys:
keys.append(self._columns[f]._multi)
todo.setdefault(self._columns[f]._multi, [])
todo[self._columns[f]._multi].append(f)
for key in keys:
val = todo[key]
if key:
# use admin user for accessing objects having rules defined on store fields
result = self._columns[val[0]].get(cr, self, ids, val, SUPERUSER_ID, context=context)
for id, value in result.items():
if field_flag:
for f in value.keys():
if f in field_dict[id]:
value.pop(f)
updates = [] # list of (column, pattern, value)
for v in value:
if v not in val:
continue
column = self._columns[v]
if column._type == 'many2one':
try:
value[v] = value[v][0]
except:
pass
updates.append((v, '%s', column._symbol_set[1](value[v])))
if updates:
query = 'UPDATE "%s" SET %s WHERE id = %%s' % (
self._table, ','.join('"%s"=%s' % u[:2] for u in updates),
)
params = tuple(u[2] for u in updates)
cr.execute(query, params + (id,))
else:
for f in val:
column = self._columns[f]
# use admin user for accessing objects having rules defined on store fields
result = column.get(cr, self, ids, f, SUPERUSER_ID, context=context)
for r in result.keys():
if field_flag:
if r in field_dict.keys():
if f in field_dict[r]:
result.pop(r)
for id, value in result.items():
if column._type == 'many2one':
try:
value = value[0]
except:
pass
query = 'UPDATE "%s" SET "%s"=%%s WHERE id = %%s' % (
self._table, f,
)
cr.execute(query, (column._symbol_set[1](value), id))
# invalidate and mark new-style fields to recompute
self.browse(cr, uid, ids, context).modified(fields)
return True
# TODO: ameliorer avec NULL
def _where_calc(self, cr, user, domain, active_test=True, context=None):
"""Computes the WHERE clause needed to implement an OpenERP domain.
:param domain: the domain to compute
:type domain: list
:param active_test: whether the default filtering of records with ``active``
field set to ``False`` should be applied.
:return: the query expressing the given domain as provided in domain
:rtype: osv.query.Query
"""
if not context:
context = {}
domain = domain[:]
# if the object has a field named 'active', filter out all inactive
# records unless they were explicitely asked for
if 'active' in self._fields and active_test and context.get('active_test', True):
if domain:
# the item[0] trick below works for domain items and '&'/'|'/'!'
# operators too
if not any(item[0] == 'active' for item in domain):
domain.insert(0, ('active', '=', 1))
else:
domain = [('active', '=', 1)]
if domain:
e = expression.expression(cr, user, domain, self, context)
tables = e.get_tables()
where_clause, where_params = e.to_sql()
where_clause = where_clause and [where_clause] or []
else:
where_clause, where_params, tables = [], [], ['"%s"' % self._table]
return Query(tables, where_clause, where_params)
def _check_qorder(self, word):
if not regex_order.match(word):
raise except_orm(_('AccessError'), _('Invalid "order" specified. A valid "order" specification is a comma-separated list of valid field names (optionally followed by asc/desc for the direction)'))
return True
def _apply_ir_rules(self, cr, uid, query, mode='read', context=None):
"""Add what's missing in ``query`` to implement all appropriate ir.rules
(using the ``model_name``'s rules or the current model's rules if ``model_name`` is None)
:param query: the current query object
"""
if uid == SUPERUSER_ID:
return
def apply_rule(added_clause, added_params, added_tables, parent_model=None):
""" :param parent_model: name of the parent model, if the added
clause comes from a parent model
"""
if added_clause:
if parent_model:
# as inherited rules are being applied, we need to add the missing JOIN
# to reach the parent table (if it was not JOINed yet in the query)
parent_alias = self._inherits_join_add(self, parent_model, query)
# inherited rules are applied on the external table -> need to get the alias and replace
parent_table = self.pool[parent_model]._table
added_clause = [clause.replace('"%s"' % parent_table, '"%s"' % parent_alias) for clause in added_clause]
# change references to parent_table to parent_alias, because we now use the alias to refer to the table
new_tables = []
for table in added_tables:
# table is just a table name -> switch to the full alias
if table == '"%s"' % parent_table:
new_tables.append('"%s" as "%s"' % (parent_table, parent_alias))
# table is already a full statement -> replace reference to the table to its alias, is correct with the way aliases are generated
else:
new_tables.append(table.replace('"%s"' % parent_table, '"%s"' % parent_alias))
added_tables = new_tables
query.where_clause += added_clause
query.where_clause_params += added_params
for table in added_tables:
if table not in query.tables:
query.tables.append(table)
return True
return False
# apply main rules on the object
rule_obj = self.pool.get('ir.rule')
rule_where_clause, rule_where_clause_params, rule_tables = rule_obj.domain_get(cr, uid, self._name, mode, context=context)
apply_rule(rule_where_clause, rule_where_clause_params, rule_tables)
# apply ir.rules from the parents (through _inherits)
for inherited_model in self._inherits:
rule_where_clause, rule_where_clause_params, rule_tables = rule_obj.domain_get(cr, uid, inherited_model, mode, context=context)
apply_rule(rule_where_clause, rule_where_clause_params, rule_tables,
parent_model=inherited_model)
def _generate_m2o_order_by(self, alias, order_field, query, reverse_direction, seen):
"""
Add possibly missing JOIN to ``query`` and generate the ORDER BY clause for m2o fields,
either native m2o fields or function/related fields that are stored, including
intermediate JOINs for inheritance if required.
:return: the qualified field name to use in an ORDER BY clause to sort by ``order_field``
"""
if order_field not in self._columns and order_field in self._inherit_fields:
# also add missing joins for reaching the table containing the m2o field
order_field_column = self._inherit_fields[order_field][2]
qualified_field = self._inherits_join_calc(alias, order_field, query)
alias, order_field = qualified_field.replace('"', '').split('.', 1)
else:
order_field_column = self._columns[order_field]
assert order_field_column._type == 'many2one', 'Invalid field passed to _generate_m2o_order_by()'
if not order_field_column._classic_write and not getattr(order_field_column, 'store', False):
_logger.debug("Many2one function/related fields must be stored "
"to be used as ordering fields! Ignoring sorting for %s.%s",
self._name, order_field)
return []
# figure out the applicable order_by for the m2o
dest_model = self.pool[order_field_column._obj]
m2o_order = dest_model._order
if not regex_order.match(m2o_order):
# _order is complex, can't use it here, so we default to _rec_name
m2o_order = dest_model._rec_name
# Join the dest m2o table if it's not joined yet. We use [LEFT] OUTER join here
# as we don't want to exclude results that have NULL values for the m2o
join = (alias, dest_model._table, order_field, 'id', order_field)
dst_alias, dst_alias_statement = query.add_join(join, implicit=False, outer=True)
return dest_model._generate_order_by_inner(dst_alias, m2o_order, query,
reverse_direction=reverse_direction, seen=seen)
def _generate_order_by_inner(self, alias, order_spec, query, reverse_direction=False, seen=None):
if seen is None:
seen = set()
order_by_elements = []
self._check_qorder(order_spec)
for order_part in order_spec.split(','):
order_split = order_part.strip().split(' ')
order_field = order_split[0].strip()
order_direction = order_split[1].strip().upper() if len(order_split) == 2 else ''
if reverse_direction:
order_direction = 'ASC' if order_direction == 'DESC' else 'DESC'
do_reverse = order_direction == 'DESC'
order_column = None
inner_clauses = []
add_dir = False
if order_field == 'id':
order_by_elements.append('"%s"."%s" %s' % (alias, order_field, order_direction))
elif order_field in self._columns:
order_column = self._columns[order_field]
if order_column._classic_read:
inner_clauses = ['"%s"."%s"' % (alias, order_field)]
add_dir = True
elif order_column._type == 'many2one':
key = (self._name, order_column._obj, order_field)
if key not in seen:
seen.add(key)
inner_clauses = self._generate_m2o_order_by(alias, order_field, query, do_reverse, seen)
else:
continue # ignore non-readable or "non-joinable" fields
elif order_field in self._inherit_fields:
parent_obj = self.pool[self._inherit_fields[order_field][3]]
order_column = parent_obj._columns[order_field]
if order_column._classic_read:
inner_clauses = [self._inherits_join_calc(alias, order_field, query, implicit=False, outer=True)]
add_dir = True
elif order_column._type == 'many2one':
key = (parent_obj._name, order_column._obj, order_field)
if key not in seen:
seen.add(key)
inner_clauses = self._generate_m2o_order_by(alias, order_field, query, do_reverse, seen)
else:
continue # ignore non-readable or "non-joinable" fields
else:
raise ValueError(_("Sorting field %s not found on model %s") % (order_field, self._name))
if order_column and order_column._type == 'boolean':
inner_clauses = ["COALESCE(%s, false)" % inner_clauses[0]]
for clause in inner_clauses:
if add_dir:
order_by_elements.append("%s %s" % (clause, order_direction))
else:
order_by_elements.append(clause)
return order_by_elements
def _generate_order_by(self, order_spec, query):
"""
Attempt to construct an appropriate ORDER BY clause based on order_spec, which must be
a comma-separated list of valid field names, optionally followed by an ASC or DESC direction.
:raise" except_orm in case order_spec is malformed
"""
order_by_clause = ''
order_spec = order_spec or self._order
if order_spec:
order_by_elements = self._generate_order_by_inner(self._table, order_spec, query)
if order_by_elements:
order_by_clause = ",".join(order_by_elements)
return order_by_clause and (' ORDER BY %s ' % order_by_clause) or ''
def _search(self, cr, user, args, offset=0, limit=None, order=None, context=None, count=False, access_rights_uid=None):
"""
Private implementation of search() method, allowing specifying the uid to use for the access right check.
This is useful for example when filling in the selection list for a drop-down and avoiding access rights errors,
by specifying ``access_rights_uid=1`` to bypass access rights check, but not ir.rules!
This is ok at the security level because this method is private and not callable through XML-RPC.
:param access_rights_uid: optional user ID to use when checking access rights
(not for ir.rules, this is only for ir.model.access)
"""
if context is None:
context = {}
self.check_access_rights(cr, access_rights_uid or user, 'read')
# For transient models, restrict access to the current user, except for the super-user
if self.is_transient() and self._log_access and user != SUPERUSER_ID:
args = expression.AND(([('create_uid', '=', user)], args or []))
query = self._where_calc(cr, user, args, context=context)
self._apply_ir_rules(cr, user, query, 'read', context=context)
order_by = self._generate_order_by(order, query)
from_clause, where_clause, where_clause_params = query.get_sql()
where_str = where_clause and (" WHERE %s" % where_clause) or ''
if count:
# Ignore order, limit and offset when just counting, they don't make sense and could
# hurt performance
query_str = 'SELECT count(1) FROM ' + from_clause + where_str
cr.execute(query_str, where_clause_params)
res = cr.fetchone()
return res[0]
limit_str = limit and ' limit %d' % limit or ''
offset_str = offset and ' offset %d' % offset or ''
query_str = 'SELECT "%s".id FROM ' % self._table + from_clause + where_str + order_by + limit_str + offset_str
cr.execute(query_str, where_clause_params)
res = cr.fetchall()
# TDE note: with auto_join, we could have several lines about the same result
# i.e. a lead with several unread messages; we uniquify the result using
# a fast way to do it while preserving order (http://www.peterbe.com/plog/uniqifiers-benchmark)
def _uniquify_list(seq):
seen = set()
return [x for x in seq if x not in seen and not seen.add(x)]
return _uniquify_list([x[0] for x in res])
# returns the different values ever entered for one field
# this is used, for example, in the client when the user hits enter on
# a char field
def distinct_field_get(self, cr, uid, field, value, args=None, offset=0, limit=None):
if not args:
args = []
if field in self._inherit_fields:
return self.pool[self._inherit_fields[field][0]].distinct_field_get(cr, uid, field, value, args, offset, limit)
else:
return self._columns[field].search(cr, self, args, field, value, offset, limit, uid)
def copy_data(self, cr, uid, id, default=None, context=None):
"""
Copy given record's data with all its fields values
:param cr: database cursor
:param uid: current user id
:param id: id of the record to copy
:param default: field values to override in the original values of the copied record
:type default: dictionary
:param context: context arguments, like lang, time zone
:type context: dictionary
:return: dictionary containing all the field values
"""
if context is None:
context = {}
# avoid recursion through already copied records in case of circular relationship
if '__copy_data_seen' not in context:
context = dict(context, __copy_data_seen=defaultdict(list))
seen_map = context['__copy_data_seen']
if id in seen_map[self._name]:
return
seen_map[self._name].append(id)
if default is None:
default = {}
if 'state' not in default:
if 'state' in self._defaults:
if callable(self._defaults['state']):
default['state'] = self._defaults['state'](self, cr, uid, context)
else:
default['state'] = self._defaults['state']
# build a black list of fields that should not be copied
blacklist = set(MAGIC_COLUMNS + ['parent_left', 'parent_right'])
whitelist = set(name for name, field in self._fields.iteritems() if not field.inherited)
def blacklist_given_fields(obj):
# blacklist the fields that are given by inheritance
for other, field_to_other in obj._inherits.items():
blacklist.add(field_to_other)
if field_to_other in default:
# all the fields of 'other' are given by the record: default[field_to_other],
# except the ones redefined in self
blacklist.update(set(self.pool[other]._fields) - whitelist)
else:
blacklist_given_fields(self.pool[other])
# blacklist deprecated fields
for name, field in obj._fields.iteritems():
if field.deprecated:
blacklist.add(name)
blacklist_given_fields(self)
fields_to_copy = dict((f,fi) for f, fi in self._fields.iteritems()
if fi.copy
if f not in default
if f not in blacklist)
data = self.read(cr, uid, [id], fields_to_copy.keys(), context=context)
if data:
data = data[0]
else:
raise IndexError( _("Record #%d of %s not found, cannot copy!") %( id, self._name))
res = dict(default)
for f, field in fields_to_copy.iteritems():
if field.type == 'many2one':
res[f] = data[f] and data[f][0]
elif field.type == 'one2many':
other = self.pool[field.comodel_name]
# duplicate following the order of the ids because we'll rely on
# it later for copying translations in copy_translation()!
lines = [other.copy_data(cr, uid, line_id, context=context) for line_id in sorted(data[f])]
# the lines are duplicated using the wrong (old) parent, but then
# are reassigned to the correct one thanks to the (0, 0, ...)
res[f] = [(0, 0, line) for line in lines if line]
elif field.type == 'many2many':
res[f] = [(6, 0, data[f])]
else:
res[f] = data[f]
return res
def copy_translations(self, cr, uid, old_id, new_id, context=None):
if context is None:
context = {}
# avoid recursion through already copied records in case of circular relationship
if '__copy_translations_seen' not in context:
context = dict(context, __copy_translations_seen=defaultdict(list))
seen_map = context['__copy_translations_seen']
if old_id in seen_map[self._name]:
return
seen_map[self._name].append(old_id)
trans_obj = self.pool.get('ir.translation')
for field_name, field in self._fields.iteritems():
if not field.copy:
continue
# removing the lang to compare untranslated values
context_wo_lang = dict(context, lang=None)
old_record, new_record = self.browse(cr, uid, [old_id, new_id], context=context_wo_lang)
# we must recursively copy the translations for o2o and o2m
if field.type == 'one2many':
target_obj = self.pool[field.comodel_name]
# here we rely on the order of the ids to match the translations
# as foreseen in copy_data()
old_children = sorted(r.id for r in old_record[field_name])
new_children = sorted(r.id for r in new_record[field_name])
for (old_child, new_child) in zip(old_children, new_children):
target_obj.copy_translations(cr, uid, old_child, new_child, context=context)
# and for translatable fields we keep them for copy
elif getattr(field, 'translate', False):
if field_name in self._columns:
trans_name = self._name + "," + field_name
target_id = new_id
source_id = old_id
elif field_name in self._inherit_fields:
trans_name = self._inherit_fields[field_name][0] + "," + field_name
# get the id of the parent record to set the translation
inherit_field_name = self._inherit_fields[field_name][1]
target_id = new_record[inherit_field_name].id
source_id = old_record[inherit_field_name].id
else:
continue
trans_ids = trans_obj.search(cr, uid, [
('name', '=', trans_name),
('res_id', '=', source_id)
])
user_lang = context.get('lang')
for record in trans_obj.read(cr, uid, trans_ids, context=context):
del record['id']
# remove source to avoid triggering _set_src
del record['source']
record.update({'res_id': target_id})
if user_lang and user_lang == record['lang']:
# 'source' to force the call to _set_src
# 'value' needed if value is changed in copy(), want to see the new_value
record['source'] = old_record[field_name]
record['value'] = new_record[field_name]
trans_obj.create(cr, uid, record, context=context)
@api.returns('self', lambda value: value.id)
def copy(self, cr, uid, id, default=None, context=None):
""" copy(default=None)
Duplicate record with given id updating it with default values
:param dict default: dictionary of field values to override in the
original values of the copied record, e.g: ``{'field_name': overridden_value, ...}``
:returns: new record
"""
if context is None:
context = {}
context = context.copy()
data = self.copy_data(cr, uid, id, default, context)
new_id = self.create(cr, uid, data, context)
self.copy_translations(cr, uid, id, new_id, context)
return new_id
@api.multi
@api.returns('self')
def exists(self):
""" exists() -> records
Returns the subset of records in ``self`` that exist, and marks deleted
records as such in cache. It can be used as a test on records::
if record.exists():
...
By convention, new records are returned as existing.
"""
ids, new_ids = [], []
for i in self._ids:
(ids if isinstance(i, (int, long)) else new_ids).append(i)
if not ids:
return self
query = """SELECT id FROM "%s" WHERE id IN %%s""" % self._table
self._cr.execute(query, [tuple(ids)])
ids = [r[0] for r in self._cr.fetchall()]
existing = self.browse(ids + new_ids)
if len(existing) < len(self):
# mark missing records in cache with a failed value
exc = MissingError(_("Record does not exist or has been deleted."))
(self - existing)._cache.update(FailedValue(exc))
return existing
def check_recursion(self, cr, uid, ids, context=None, parent=None):
_logger.warning("You are using deprecated %s.check_recursion(). Please use the '_check_recursion()' instead!" % \
self._name)
assert parent is None or parent in self._columns or parent in self._inherit_fields,\
"The 'parent' parameter passed to check_recursion() must be None or a valid field name"
return self._check_recursion(cr, uid, ids, context, parent)
def _check_recursion(self, cr, uid, ids, context=None, parent=None):
"""
Verifies that there is no loop in a hierarchical structure of records,
by following the parent relationship using the **parent** field until a loop
is detected or until a top-level record is found.
:param cr: database cursor
:param uid: current user id
:param ids: list of ids of records to check
:param parent: optional parent field name (default: ``self._parent_name = parent_id``)
:return: **True** if the operation can proceed safely, or **False** if an infinite loop is detected.
"""
if not parent:
parent = self._parent_name
# must ignore 'active' flag, ir.rules, etc. => direct SQL query
query = 'SELECT "%s" FROM "%s" WHERE id = %%s' % (parent, self._table)
for id in ids:
current_id = id
while current_id is not None:
cr.execute(query, (current_id,))
result = cr.fetchone()
current_id = result[0] if result else None
if current_id == id:
return False
return True
def _check_m2m_recursion(self, cr, uid, ids, field_name):
"""
Verifies that there is no loop in a hierarchical structure of records,
by following the parent relationship using the **parent** field until a loop
is detected or until a top-level record is found.
:param cr: database cursor
:param uid: current user id
:param ids: list of ids of records to check
:param field_name: field to check
:return: **True** if the operation can proceed safely, or **False** if an infinite loop is detected.
"""
field = self._fields.get(field_name)
if not (field and field.type == 'many2many' and
field.comodel_name == self._name and field.store):
# field must be a many2many on itself
raise ValueError('invalid field_name: %r' % (field_name,))
query = 'SELECT distinct "%s" FROM "%s" WHERE "%s" IN %%s' % \
(field.column2, field.relation, field.column1)
ids_parent = ids[:]
while ids_parent:
ids_parent2 = []
for i in range(0, len(ids_parent), cr.IN_MAX):
j = i + cr.IN_MAX
sub_ids_parent = ids_parent[i:j]
cr.execute(query, (tuple(sub_ids_parent),))
ids_parent2.extend(filter(None, map(lambda x: x[0], cr.fetchall())))
ids_parent = ids_parent2
for i in ids_parent:
if i in ids:
return False
return True
def _get_external_ids(self, cr, uid, ids, *args, **kwargs):
"""Retrieve the External ID(s) of any database record.
**Synopsis**: ``_get_xml_ids(cr, uid, ids) -> { 'id': ['module.xml_id'] }``
:return: map of ids to the list of their fully qualified External IDs
in the form ``module.key``, or an empty list when there's no External
ID for a record, e.g.::
{ 'id': ['module.ext_id', 'module.ext_id_bis'],
'id2': [] }
"""
ir_model_data = self.pool.get('ir.model.data')
data_ids = ir_model_data.search(cr, uid, [('model', '=', self._name), ('res_id', 'in', ids)])
data_results = ir_model_data.read(cr, uid, data_ids, ['module', 'name', 'res_id'])
result = {}
for id in ids:
# can't use dict.fromkeys() as the list would be shared!
result[id] = []
for record in data_results:
result[record['res_id']].append('%(module)s.%(name)s' % record)
return result
def get_external_id(self, cr, uid, ids, *args, **kwargs):
"""Retrieve the External ID of any database record, if there
is one. This method works as a possible implementation
for a function field, to be able to add it to any
model object easily, referencing it as ``Model.get_external_id``.
When multiple External IDs exist for a record, only one
of them is returned (randomly).
:return: map of ids to their fully qualified XML ID,
defaulting to an empty string when there's none
(to be usable as a function field),
e.g.::
{ 'id': 'module.ext_id',
'id2': '' }
"""
results = self._get_xml_ids(cr, uid, ids)
for k, v in results.iteritems():
if results[k]:
results[k] = v[0]
else:
results[k] = ''
return results
# backwards compatibility
get_xml_id = get_external_id
_get_xml_ids = _get_external_ids
def print_report(self, cr, uid, ids, name, data, context=None):
"""
Render the report ``name`` for the given IDs. The report must be defined
for this model, not another.
"""
report = self.pool['ir.actions.report.xml']._lookup_report(cr, name)
assert self._name == report.table
return report.create(cr, uid, ids, data, context)
# Transience
@classmethod
def is_transient(cls):
""" Return whether the model is transient.
See :class:`TransientModel`.
"""
return cls._transient
def _transient_clean_rows_older_than(self, cr, seconds):
assert self._transient, "Model %s is not transient, it cannot be vacuumed!" % self._name
# Never delete rows used in last 5 minutes
seconds = max(seconds, 300)
query = ("SELECT id FROM " + self._table + " WHERE"
" COALESCE(write_date, create_date, (now() at time zone 'UTC'))::timestamp"
" < ((now() at time zone 'UTC') - interval %s)")
cr.execute(query, ("%s seconds" % seconds,))
ids = [x[0] for x in cr.fetchall()]
self.unlink(cr, SUPERUSER_ID, ids)
def _transient_clean_old_rows(self, cr, max_count):
# Check how many rows we have in the table
cr.execute("SELECT count(*) AS row_count FROM " + self._table)
res = cr.fetchall()
if res[0][0] <= max_count:
return # max not reached, nothing to do
self._transient_clean_rows_older_than(cr, 300)
def _transient_vacuum(self, cr, uid, force=False):
"""Clean the transient records.
This unlinks old records from the transient model tables whenever the
"_transient_max_count" or "_max_age" conditions (if any) are reached.
Actual cleaning will happen only once every "_transient_check_time" calls.
This means this method can be called frequently called (e.g. whenever
a new record is created).
Example with both max_hours and max_count active:
Suppose max_hours = 0.2 (e.g. 12 minutes), max_count = 20, there are 55 rows in the
table, 10 created/changed in the last 5 minutes, an additional 12 created/changed between
5 and 10 minutes ago, the rest created/changed more then 12 minutes ago.
- age based vacuum will leave the 22 rows created/changed in the last 12 minutes
- count based vacuum will wipe out another 12 rows. Not just 2, otherwise each addition
would immediately cause the maximum to be reached again.
- the 10 rows that have been created/changed the last 5 minutes will NOT be deleted
"""
assert self._transient, "Model %s is not transient, it cannot be vacuumed!" % self._name
_transient_check_time = 20 # arbitrary limit on vacuum executions
self._transient_check_count += 1
if not force and (self._transient_check_count < _transient_check_time):
return True # no vacuum cleaning this time
self._transient_check_count = 0
# Age-based expiration
if self._transient_max_hours:
self._transient_clean_rows_older_than(cr, self._transient_max_hours * 60 * 60)
# Count-based expiration
if self._transient_max_count:
self._transient_clean_old_rows(cr, self._transient_max_count)
return True
def resolve_2many_commands(self, cr, uid, field_name, commands, fields=None, context=None):
""" Serializes one2many and many2many commands into record dictionaries
(as if all the records came from the database via a read()). This
method is aimed at onchange methods on one2many and many2many fields.
Because commands might be creation commands, not all record dicts
will contain an ``id`` field. Commands matching an existing record
will have an ``id``.
:param field_name: name of the one2many or many2many field matching the commands
:type field_name: str
:param commands: one2many or many2many commands to execute on ``field_name``
:type commands: list((int|False, int|False, dict|False))
:param fields: list of fields to read from the database, when applicable
:type fields: list(str)
:returns: records in a shape similar to that returned by ``read()``
(except records may be missing the ``id`` field if they don't exist in db)
:rtype: list(dict)
"""
result = [] # result (list of dict)
record_ids = [] # ids of records to read
updates = {} # {id: dict} of updates on particular records
for command in commands or []:
if not isinstance(command, (list, tuple)):
record_ids.append(command)
elif command[0] == 0:
result.append(command[2])
elif command[0] == 1:
record_ids.append(command[1])
updates.setdefault(command[1], {}).update(command[2])
elif command[0] in (2, 3):
record_ids = [id for id in record_ids if id != command[1]]
elif command[0] == 4:
record_ids.append(command[1])
elif command[0] == 5:
result, record_ids = [], []
elif command[0] == 6:
result, record_ids = [], list(command[2])
# read the records and apply the updates
other_model = self.pool[self._fields[field_name].comodel_name]
for record in other_model.read(cr, uid, record_ids, fields=fields, context=context):
record.update(updates.get(record['id'], {}))
result.append(record)
return result
# for backward compatibility
resolve_o2m_commands_to_record_dicts = resolve_2many_commands
def search_read(self, cr, uid, domain=None, fields=None, offset=0, limit=None, order=None, context=None):
"""
Performs a ``search()`` followed by a ``read()``.
:param cr: database cursor
:param user: current user id
:param domain: Search domain, see ``args`` parameter in ``search()``. Defaults to an empty domain that will match all records.
:param fields: List of fields to read, see ``fields`` parameter in ``read()``. Defaults to all fields.
:param offset: Number of records to skip, see ``offset`` parameter in ``search()``. Defaults to 0.
:param limit: Maximum number of records to return, see ``limit`` parameter in ``search()``. Defaults to no limit.
:param order: Columns to sort result, see ``order`` parameter in ``search()``. Defaults to no sort.
:param context: context arguments.
:return: List of dictionaries containing the asked fields.
:rtype: List of dictionaries.
"""
record_ids = self.search(cr, uid, domain or [], offset=offset, limit=limit, order=order, context=context)
if not record_ids:
return []
if fields and fields == ['id']:
# shortcut read if we only want the ids
return [{'id': id} for id in record_ids]
# read() ignores active_test, but it would forward it to any downstream search call
# (e.g. for x2m or function fields), and this is not the desired behavior, the flag
# was presumably only meant for the main search().
# TODO: Move this to read() directly?
read_ctx = dict(context or {})
read_ctx.pop('active_test', None)
result = self.read(cr, uid, record_ids, fields, context=read_ctx)
if len(result) <= 1:
return result
# reorder read
index = dict((r['id'], r) for r in result)
return [index[x] for x in record_ids if x in index]
def _register_hook(self, cr):
""" stuff to do right after the registry is built """
pass
@classmethod
def _patch_method(cls, name, method):
""" Monkey-patch a method for all instances of this model. This replaces
the method called ``name`` by ``method`` in the given class.
The original method is then accessible via ``method.origin``, and it
can be restored with :meth:`~._revert_method`.
Example::
@api.multi
def do_write(self, values):
# do stuff, and call the original method
return do_write.origin(self, values)
# patch method write of model
model._patch_method('write', do_write)
# this will call do_write
records = model.search([...])
records.write(...)
# restore the original method
model._revert_method('write')
"""
origin = getattr(cls, name)
method.origin = origin
# propagate decorators from origin to method, and apply api decorator
wrapped = api.guess(api.propagate(origin, method))
wrapped.origin = origin
setattr(cls, name, wrapped)
@classmethod
def _revert_method(cls, name):
""" Revert the original method called ``name`` in the given class.
See :meth:`~._patch_method`.
"""
method = getattr(cls, name)
setattr(cls, name, method.origin)
#
# Instance creation
#
# An instance represents an ordered collection of records in a given
# execution environment. The instance object refers to the environment, and
# the records themselves are represented by their cache dictionary. The 'id'
# of each record is found in its corresponding cache dictionary.
#
# This design has the following advantages:
# - cache access is direct and thus fast;
# - one can consider records without an 'id' (see new records);
# - the global cache is only an index to "resolve" a record 'id'.
#
@classmethod
def _browse(cls, env, ids):
""" Create an instance attached to ``env``; ``ids`` is a tuple of record
ids.
"""
records = object.__new__(cls)
records.env = env
records._ids = ids
env.prefetch[cls._name].update(ids)
return records
@api.v7
def browse(self, cr, uid, arg=None, context=None):
ids = _normalize_ids(arg)
#assert all(isinstance(id, IdType) for id in ids), "Browsing invalid ids: %s" % ids
return self._browse(Environment(cr, uid, context or {}), ids)
@api.v8
def browse(self, arg=None):
""" browse([ids]) -> records
Returns a recordset for the ids provided as parameter in the current
environment.
Can take no ids, a single id or a sequence of ids.
"""
ids = _normalize_ids(arg)
#assert all(isinstance(id, IdType) for id in ids), "Browsing invalid ids: %s" % ids
return self._browse(self.env, ids)
#
# Internal properties, for manipulating the instance's implementation
#
@property
def ids(self):
""" List of actual record ids in this recordset (ignores placeholder
ids for records to create)
"""
return filter(None, list(self._ids))
# backward-compatibility with former browse records
_cr = property(lambda self: self.env.cr)
_uid = property(lambda self: self.env.uid)
_context = property(lambda self: self.env.context)
#
# Conversion methods
#
def ensure_one(self):
""" Verifies that the current recorset holds a single record. Raises
an exception otherwise.
"""
if len(self) == 1:
return self
raise except_orm("ValueError", "Expected singleton: %s" % self)
def with_env(self, env):
""" Returns a new version of this recordset attached to the provided
environment
.. warning::
The new environment will not benefit from the current
environment's data cache, so later data access may incur extra
delays while re-fetching from the database.
:type env: :class:`~openerp.api.Environment`
"""
return self._browse(env, self._ids)
def sudo(self, user=SUPERUSER_ID):
""" sudo([user=SUPERUSER])
Returns a new version of this recordset attached to the provided
user.
By default this returns a `SUPERUSER` recordset, where access control
and record rules are bypassed.
.. note::
Using `sudo` could cause data access to cross the boundaries of
record rules, possibly mixing records that are meant to be
isolated (e.g. records from different companies in multi-company
environments).
It may lead to un-intuitive results in methods which select one
record among many - for example getting the default company, or
selecting a Bill of Materials.
.. note::
Because the record rules and access control will have to be
re-evaluated, the new recordset will not benefit from the current
environment's data cache, so later data access may incur extra
delays while re-fetching from the database.
"""
return self.with_env(self.env(user=user))
def with_context(self, *args, **kwargs):
""" with_context([context][, **overrides]) -> records
Returns a new version of this recordset attached to an extended
context.
The extended context is either the provided ``context`` in which
``overrides`` are merged or the *current* context in which
``overrides`` are merged e.g.::
# current context is {'key1': True}
r2 = records.with_context({}, key2=True)
# -> r2._context is {'key2': True}
r2 = records.with_context(key2=True)
# -> r2._context is {'key1': True, 'key2': True}
"""
context = dict(args[0] if args else self._context, **kwargs)
return self.with_env(self.env(context=context))
def _convert_to_cache(self, values, update=False, validate=True):
""" Convert the ``values`` dictionary into cached values.
:param update: whether the conversion is made for updating ``self``;
this is necessary for interpreting the commands of *2many fields
:param validate: whether values must be checked
"""
fields = self._fields
target = self if update else self.browse()
return {
name: fields[name].convert_to_cache(value, target, validate=validate)
for name, value in values.iteritems()
if name in fields
}
def _convert_to_write(self, values):
""" Convert the ``values`` dictionary into the format of :meth:`write`. """
fields = self._fields
result = {}
for name, value in values.iteritems():
if name in fields:
value = fields[name].convert_to_write(value)
if not isinstance(value, NewId):
result[name] = value
return result
#
# Record traversal and update
#
def _mapped_func(self, func):
""" Apply function ``func`` on all records in ``self``, and return the
result as a list or a recordset (if ``func`` returns recordsets).
"""
if self:
vals = [func(rec) for rec in self]
if isinstance(vals[0], BaseModel):
# return the union of all recordsets in O(n)
ids = set(itertools.chain(*[rec._ids for rec in vals]))
return vals[0].browse(ids)
return vals
else:
vals = func(self)
return vals if isinstance(vals, BaseModel) else []
def mapped(self, func):
""" Apply ``func`` on all records in ``self``, and return the result as a
list or a recordset (if ``func`` return recordsets). In the latter
case, the order of the returned recordset is arbitrary.
:param func: a function or a dot-separated sequence of field names
"""
if isinstance(func, basestring):
recs = self
for name in func.split('.'):
recs = recs._mapped_func(operator.itemgetter(name))
return recs
else:
return self._mapped_func(func)
def _mapped_cache(self, name_seq):
""" Same as `~.mapped`, but ``name_seq`` is a dot-separated sequence of
field names, and only cached values are used.
"""
recs = self
for name in name_seq.split('.'):
field = recs._fields[name]
null = field.null(self.env)
recs = recs.mapped(lambda rec: rec._cache.get(field, null))
return recs
def filtered(self, func):
""" Select the records in ``self`` such that ``func(rec)`` is true, and
return them as a recordset.
:param func: a function or a dot-separated sequence of field names
"""
if isinstance(func, basestring):
name = func
func = lambda rec: filter(None, rec.mapped(name))
return self.browse([rec.id for rec in self if func(rec)])
def sorted(self, key=None, reverse=False):
""" Return the recordset ``self`` ordered by ``key``.
:param key: either a function of one argument that returns a
comparison key for each record, or ``None``, in which case
records are ordered according the default model's order
:param reverse: if ``True``, return the result in reverse order
"""
if key is None:
recs = self.search([('id', 'in', self.ids)])
return self.browse(reversed(recs._ids)) if reverse else recs
else:
return self.browse(map(itemgetter('id'), sorted(self, key=key, reverse=reverse)))
def update(self, values):
""" Update record `self[0]` with ``values``. """
for name, value in values.iteritems():
self[name] = value
#
# New records - represent records that do not exist in the database yet;
# they are used to perform onchanges.
#
@api.model
def new(self, values={}):
""" new([values]) -> record
Return a new record instance attached to the current environment and
initialized with the provided ``value``. The record is *not* created
in database, it only exists in memory.
"""
record = self.browse([NewId()])
record._cache.update(record._convert_to_cache(values, update=True))
if record.env.in_onchange:
# The cache update does not set inverse fields, so do it manually.
# This is useful for computing a function field on secondary
# records, if that field depends on the main record.
for name in values:
field = self._fields.get(name)
if field:
for invf in field.inverse_fields:
invf._update(record[name], record)
return record
#
# Dirty flags, to mark record fields modified (in draft mode)
#
def _is_dirty(self):
""" Return whether any record in ``self`` is dirty. """
dirty = self.env.dirty
return any(record in dirty for record in self)
def _get_dirty(self):
""" Return the list of field names for which ``self`` is dirty. """
dirty = self.env.dirty
return list(dirty.get(self, ()))
def _set_dirty(self, field_name):
""" Mark the records in ``self`` as dirty for the given ``field_name``. """
dirty = self.env.dirty
for record in self:
dirty[record].add(field_name)
#
# "Dunder" methods
#
def __nonzero__(self):
""" Test whether ``self`` is nonempty. """
return bool(getattr(self, '_ids', True))
def __len__(self):
""" Return the size of ``self``. """
return len(self._ids)
def __iter__(self):
""" Return an iterator over ``self``. """
for id in self._ids:
yield self._browse(self.env, (id,))
def __contains__(self, item):
""" Test whether ``item`` (record or field name) is an element of ``self``.
In the first case, the test is fully equivalent to::
any(item == record for record in self)
"""
if isinstance(item, BaseModel) and self._name == item._name:
return len(item) == 1 and item.id in self._ids
elif isinstance(item, basestring):
return item in self._fields
else:
raise except_orm("ValueError", "Mixing apples and oranges: %s in %s" % (item, self))
def __add__(self, other):
""" Return the concatenation of two recordsets. """
if not isinstance(other, BaseModel) or self._name != other._name:
raise except_orm("ValueError", "Mixing apples and oranges: %s + %s" % (self, other))
return self.browse(self._ids + other._ids)
def __sub__(self, other):
""" Return the recordset of all the records in ``self`` that are not in ``other``. """
if not isinstance(other, BaseModel) or self._name != other._name:
raise except_orm("ValueError", "Mixing apples and oranges: %s - %s" % (self, other))
other_ids = set(other._ids)
return self.browse([id for id in self._ids if id not in other_ids])
def __and__(self, other):
""" Return the intersection of two recordsets.
Note that recordset order is not preserved.
"""
if not isinstance(other, BaseModel) or self._name != other._name:
raise except_orm("ValueError", "Mixing apples and oranges: %s & %s" % (self, other))
return self.browse(set(self._ids) & set(other._ids))
def __or__(self, other):
""" Return the union of two recordsets.
Note that recordset order is not preserved.
"""
if not isinstance(other, BaseModel) or self._name != other._name:
raise except_orm("ValueError", "Mixing apples and oranges: %s | %s" % (self, other))
return self.browse(set(self._ids) | set(other._ids))
def __eq__(self, other):
""" Test whether two recordsets are equivalent (up to reordering). """
if not isinstance(other, BaseModel):
if other:
filename, lineno = frame_codeinfo(currentframe(), 1)
_logger.warning("Comparing apples and oranges: %r == %r (%s:%s)",
self, other, filename, lineno)
return False
return self._name == other._name and set(self._ids) == set(other._ids)
def __ne__(self, other):
return not self == other
def __lt__(self, other):
if not isinstance(other, BaseModel) or self._name != other._name:
raise except_orm("ValueError", "Mixing apples and oranges: %s < %s" % (self, other))
return set(self._ids) < set(other._ids)
def __le__(self, other):
if not isinstance(other, BaseModel) or self._name != other._name:
raise except_orm("ValueError", "Mixing apples and oranges: %s <= %s" % (self, other))
return set(self._ids) <= set(other._ids)
def __gt__(self, other):
if not isinstance(other, BaseModel) or self._name != other._name:
raise except_orm("ValueError", "Mixing apples and oranges: %s > %s" % (self, other))
return set(self._ids) > set(other._ids)
def __ge__(self, other):
if not isinstance(other, BaseModel) or self._name != other._name:
raise except_orm("ValueError", "Mixing apples and oranges: %s >= %s" % (self, other))
return set(self._ids) >= set(other._ids)
def __int__(self):
return self.id
def __str__(self):
return "%s%s" % (self._name, getattr(self, '_ids', ""))
def __unicode__(self):
return unicode(str(self))
__repr__ = __str__
def __hash__(self):
if hasattr(self, '_ids'):
return hash((self._name, frozenset(self._ids)))
else:
return hash(self._name)
def __getitem__(self, key):
""" If ``key`` is an integer or a slice, return the corresponding record
selection as an instance (attached to ``self.env``).
Otherwise read the field ``key`` of the first record in ``self``.
Examples::
inst = model.search(dom) # inst is a recordset
r4 = inst[3] # fourth record in inst
rs = inst[10:20] # subset of inst
nm = rs['name'] # name of first record in inst
"""
if isinstance(key, basestring):
# important: one must call the field's getter
return self._fields[key].__get__(self, type(self))
elif isinstance(key, slice):
return self._browse(self.env, self._ids[key])
else:
return self._browse(self.env, (self._ids[key],))
def __setitem__(self, key, value):
""" Assign the field ``key`` to ``value`` in record ``self``. """
# important: one must call the field's setter
return self._fields[key].__set__(self, value)
#
# Cache and recomputation management
#
@lazy_property
def _cache(self):
""" Return the cache of ``self``, mapping field names to values. """
return RecordCache(self)
@api.model
def _in_cache_without(self, field):
""" Make sure ``self`` is present in cache (for prefetching), and return
the records of model ``self`` in cache that have no value for ``field``
(:class:`Field` instance).
"""
env = self.env
prefetch_ids = env.prefetch[self._name]
prefetch_ids.update(self._ids)
ids = filter(None, prefetch_ids - set(env.cache[field]))
return self.browse(ids)
@api.model
def refresh(self):
""" Clear the records cache.
.. deprecated:: 8.0
The record cache is automatically invalidated.
"""
self.invalidate_cache()
@api.model
def invalidate_cache(self, fnames=None, ids=None):
""" Invalidate the record caches after some records have been modified.
If both ``fnames`` and ``ids`` are ``None``, the whole cache is cleared.
:param fnames: the list of modified fields, or ``None`` for all fields
:param ids: the list of modified record ids, or ``None`` for all
"""
if fnames is None:
if ids is None:
return self.env.invalidate_all()
fields = self._fields.values()
else:
fields = map(self._fields.__getitem__, fnames)
# invalidate fields and inverse fields, too
spec = [(f, ids) for f in fields] + \
[(invf, None) for f in fields for invf in f.inverse_fields]
self.env.invalidate(spec)
@api.multi
def modified(self, fnames):
""" Notify that fields have been modified on ``self``. This invalidates
the cache, and prepares the recomputation of stored function fields
(new-style fields only).
:param fnames: iterable of field names that have been modified on
records ``self``
"""
# each field knows what to invalidate and recompute
spec = []
for fname in fnames:
spec += self._fields[fname].modified(self)
cached_fields = {
field
for env in self.env.all
for field in env.cache
}
# invalidate non-stored fields.function which are currently cached
spec += [(f, None) for f in self.pool.pure_function_fields
if f in cached_fields]
self.env.invalidate(spec)
def _recompute_check(self, field):
""" If ``field`` must be recomputed on some record in ``self``, return the
corresponding records that must be recomputed.
"""
return self.env.check_todo(field, self)
def _recompute_todo(self, field):
""" Mark ``field`` to be recomputed. """
self.env.add_todo(field, self)
def _recompute_done(self, field):
""" Mark ``field`` as recomputed. """
self.env.remove_todo(field, self)
@api.model
def recompute(self):
""" Recompute stored function fields. The fields and records to
recompute have been determined by method :meth:`modified`.
"""
while self.env.has_todo():
field, recs = self.env.get_todo()
# evaluate the fields to recompute, and save them to database
names = [
f.name
for f in field.computed_fields
if f.store and self.env.field_todo(f)
]
for rec in recs:
try:
values = rec._convert_to_write({
name: rec[name] for name in names
})
with rec.env.norecompute():
rec._write(values)
except MissingError:
pass
# mark the computed fields as done
map(recs._recompute_done, field.computed_fields)
#
# Generic onchange method
#
def _has_onchange(self, field, other_fields):
""" Return whether ``field`` should trigger an onchange event in the
presence of ``other_fields``.
"""
# test whether self has an onchange method for field, or field is a
# dependency of any field in other_fields
return field.name in self._onchange_methods or \
any(dep in other_fields for dep in field.dependents)
@api.model
def _onchange_spec(self, view_info=None):
""" Return the onchange spec from a view description; if not given, the
result of ``self.fields_view_get()`` is used.
"""
result = {}
# for traversing the XML arch and populating result
def process(node, info, prefix):
if node.tag == 'field':
name = node.attrib['name']
names = "%s.%s" % (prefix, name) if prefix else name
if not result.get(names):
result[names] = node.attrib.get('on_change')
# traverse the subviews included in relational fields
for subinfo in info['fields'][name].get('views', {}).itervalues():
process(etree.fromstring(subinfo['arch']), subinfo, names)
else:
for child in node:
process(child, info, prefix)
if view_info is None:
view_info = self.fields_view_get()
process(etree.fromstring(view_info['arch']), view_info, '')
return result
def _onchange_eval(self, field_name, onchange, result):
""" Apply onchange method(s) for field ``field_name`` with spec ``onchange``
on record ``self``. Value assignments are applied on ``self``, while
domain and warning messages are put in dictionary ``result``.
"""
onchange = onchange.strip()
# onchange V8
if onchange in ("1", "true"):
for method in self._onchange_methods.get(field_name, ()):
method_res = method(self)
if not method_res:
continue
if 'domain' in method_res:
result.setdefault('domain', {}).update(method_res['domain'])
if 'warning' in method_res:
if result.get('warning'):
if method_res['warning']:
# Concatenate multiple warnings
warning = result['warning']
warning['message'] = '\n\n'.join(filter(None, [
warning.get('title'),
warning.get('message'),
method_res['warning'].get('title'),
method_res['warning'].get('message')
]))
warning['title'] = _('Warnings')
else:
result['warning'] = method_res['warning']
return
# onchange V7
match = onchange_v7.match(onchange)
if match:
method, params = match.groups()
# evaluate params -> tuple
global_vars = {'context': self._context, 'uid': self._uid}
if self._context.get('field_parent'):
class RawRecord(object):
def __init__(self, record):
self._record = record
def __getattr__(self, name):
field = self._record._fields[name]
value = self._record[name]
return field.convert_to_onchange(value)
record = self[self._context['field_parent']]
global_vars['parent'] = RawRecord(record)
field_vars = {
key: self._fields[key].convert_to_onchange(val)
for key, val in self._cache.iteritems()
}
params = eval("[%s]" % params, global_vars, field_vars)
# call onchange method with context when possible
args = (self._cr, self._uid, self._origin.ids) + tuple(params)
try:
method_res = getattr(self._model, method)(*args, context=self._context)
except TypeError:
method_res = getattr(self._model, method)(*args)
if not isinstance(method_res, dict):
return
if 'value' in method_res:
method_res['value'].pop('id', None)
self.update(self._convert_to_cache(method_res['value'], validate=False))
if 'domain' in method_res:
result.setdefault('domain', {}).update(method_res['domain'])
if 'warning' in method_res:
if result.get('warning'):
if method_res['warning']:
# Concatenate multiple warnings
warning = result['warning']
warning['message'] = '\n\n'.join(filter(None, [
warning.get('title'),
warning.get('message'),
method_res['warning'].get('title'),
method_res['warning'].get('message')
]))
warning['title'] = _('Warnings')
else:
result['warning'] = method_res['warning']
@api.multi
def onchange(self, values, field_name, field_onchange):
""" Perform an onchange on the given field.
:param values: dictionary mapping field names to values, giving the
current state of modification
:param field_name: name of the modified field, or list of field
names (in view order), or False
:param field_onchange: dictionary mapping field names to their
on_change attribute
"""
env = self.env
if isinstance(field_name, list):
names = field_name
elif field_name:
names = [field_name]
else:
names = []
if not all(name in self._fields for name in names):
return {}
# determine subfields for field.convert_to_write() below
secondary = []
subfields = defaultdict(set)
for dotname in field_onchange:
if '.' in dotname:
secondary.append(dotname)
name, subname = dotname.split('.')
subfields[name].add(subname)
# create a new record with values, and attach ``self`` to it
with env.do_in_onchange():
record = self.new(values)
values = dict(record._cache)
# attach ``self`` with a different context (for cache consistency)
record._origin = self.with_context(__onchange=True)
# load fields on secondary records, to avoid false changes
with env.do_in_onchange():
for field_seq in secondary:
record.mapped(field_seq)
# determine which field(s) should be triggered an onchange
todo = list(names) or list(values)
done = set()
# dummy assignment: trigger invalidations on the record
for name in todo:
if name == 'id':
continue
value = record[name]
field = self._fields[name]
if field.type == 'many2one' and field.delegate and not value:
# do not nullify all fields of parent record for new records
continue
record[name] = value
result = {'value': {}}
# process names in order (or the keys of values if no name given)
while todo:
name = todo.pop(0)
if name in done:
continue
done.add(name)
with env.do_in_onchange():
# apply field-specific onchange methods
if field_onchange.get(name):
record._onchange_eval(name, field_onchange[name], result)
# force re-evaluation of function fields on secondary records
for field_seq in secondary:
record.mapped(field_seq)
# determine which fields have been modified
for name, oldval in values.iteritems():
field = self._fields[name]
newval = record[name]
if field.type in ('one2many', 'many2many'):
if newval != oldval or newval._is_dirty():
# put new value in result
result['value'][name] = field.convert_to_write(
newval, record._origin, subfields.get(name),
)
todo.append(name)
else:
# keep result: newval may have been dirty before
pass
else:
if newval != oldval:
# put new value in result
result['value'][name] = field.convert_to_write(
newval, record._origin, subfields.get(name),
)
todo.append(name)
else:
# clean up result to not return another value
result['value'].pop(name, None)
# At the moment, the client does not support updates on a *2many field
# while this one is modified by the user.
if field_name and not isinstance(field_name, list) and \
self._fields[field_name].type in ('one2many', 'many2many'):
result['value'].pop(field_name, None)
return result
class RecordCache(MutableMapping):
""" Implements a proxy dictionary to read/update the cache of a record.
Upon iteration, it looks like a dictionary mapping field names to
values. However, fields may be used as keys as well.
"""
def __init__(self, records):
self._recs = records
def contains(self, field):
""" Return whether `records[0]` has a value for ``field`` in cache. """
if isinstance(field, basestring):
field = self._recs._fields[field]
return self._recs.id in self._recs.env.cache[field]
def __contains__(self, field):
""" Return whether `records[0]` has a regular value for ``field`` in cache. """
if isinstance(field, basestring):
field = self._recs._fields[field]
dummy = SpecialValue(None)
value = self._recs.env.cache[field].get(self._recs.id, dummy)
return not isinstance(value, SpecialValue)
def __getitem__(self, field):
""" Return the cached value of ``field`` for `records[0]`. """
if isinstance(field, basestring):
field = self._recs._fields[field]
value = self._recs.env.cache[field][self._recs.id]
return value.get() if isinstance(value, SpecialValue) else value
def __setitem__(self, field, value):
""" Assign the cached value of ``field`` for all records in ``records``. """
if isinstance(field, basestring):
field = self._recs._fields[field]
values = dict.fromkeys(self._recs._ids, value)
self._recs.env.cache[field].update(values)
def update(self, *args, **kwargs):
""" Update the cache of all records in ``records``. If the argument is a
``SpecialValue``, update all fields (except "magic" columns).
"""
if args and isinstance(args[0], SpecialValue):
values = dict.fromkeys(self._recs._ids, args[0])
for name, field in self._recs._fields.iteritems():
if name != 'id':
self._recs.env.cache[field].update(values)
else:
return super(RecordCache, self).update(*args, **kwargs)
def __delitem__(self, field):
""" Remove the cached value of ``field`` for all ``records``. """
if isinstance(field, basestring):
field = self._recs._fields[field]
field_cache = self._recs.env.cache[field]
for id in self._recs._ids:
field_cache.pop(id, None)
def __iter__(self):
""" Iterate over the field names with a regular value in cache. """
cache, id = self._recs.env.cache, self._recs.id
dummy = SpecialValue(None)
for name, field in self._recs._fields.iteritems():
if name != 'id' and not isinstance(cache[field].get(id, dummy), SpecialValue):
yield name
def __len__(self):
""" Return the number of fields with a regular value in cache. """
return sum(1 for name in self)
class Model(BaseModel):
"""Main super-class for regular database-persisted OpenERP models.
OpenERP models are created by inheriting from this class::
class user(Model):
...
The system will later instantiate the class once per database (on
which the class' module is installed).
"""
_auto = True
_register = False # not visible in ORM registry, meant to be python-inherited only
_transient = False # True in a TransientModel
class TransientModel(BaseModel):
"""Model super-class for transient records, meant to be temporarily
persisted, and regularly vacuum-cleaned.
A TransientModel has a simplified access rights management,
all users can create new records, and may only access the
records they created. The super-user has unrestricted access
to all TransientModel records.
"""
_auto = True
_register = False # not visible in ORM registry, meant to be python-inherited only
_transient = True
class AbstractModel(BaseModel):
"""Abstract Model super-class for creating an abstract class meant to be
inherited by regular models (Models or TransientModels) but not meant to
be usable on its own, or persisted.
Technical note: we don't want to make AbstractModel the super-class of
Model or BaseModel because it would not make sense to put the main
definition of persistence methods such as create() in it, and still we
should be able to override them within an AbstractModel.
"""
_auto = False # don't create any database backend for AbstractModels
_register = False # not visible in ORM registry, meant to be python-inherited only
_transient = False
def itemgetter_tuple(items):
""" Fixes itemgetter inconsistency (useful in some cases) of not returning
a tuple if len(items) == 1: always returns an n-tuple where n = len(items)
"""
if len(items) == 0:
return lambda a: ()
if len(items) == 1:
return lambda gettable: (gettable[items[0]],)
return operator.itemgetter(*items)
def convert_pgerror_23502(model, fields, info, e):
m = re.match(r'^null value in column "(?P<field>\w+)" violates '
r'not-null constraint\n',
tools.ustr(e))
field_name = m and m.group('field')
if not m or field_name not in fields:
return {'message': tools.ustr(e)}
message = _(u"Missing required value for the field '%s'.") % field_name
field = fields.get(field_name)
if field:
message = _(u"Missing required value for the field '%s' (%s)") % (field['string'], field_name)
return {
'message': message,
'field': field_name,
}
def convert_pgerror_23505(model, fields, info, e):
m = re.match(r'^duplicate key (?P<field>\w+) violates unique constraint',
tools.ustr(e))
field_name = m and m.group('field')
if not m or field_name not in fields:
return {'message': tools.ustr(e)}
message = _(u"The value for the field '%s' already exists.") % field_name
field = fields.get(field_name)
if field:
message = _(u"%s This might be '%s' in the current model, or a field "
u"of the same name in an o2m.") % (message, field['string'])
return {
'message': message,
'field': field_name,
}
PGERROR_TO_OE = defaultdict(
# shape of mapped converters
lambda: (lambda model, fvg, info, pgerror: {'message': tools.ustr(pgerror)}), {
# not_null_violation
'23502': convert_pgerror_23502,
# unique constraint error
'23505': convert_pgerror_23505,
})
def _normalize_ids(arg, atoms={int, long, str, unicode, NewId}):
""" Normalizes the ids argument for ``browse`` (v7 and v8) to a tuple.
Various implementations were tested on the corpus of all browse() calls
performed during a full crawler run (after having installed all website_*
modules) and this one was the most efficient overall.
A possible bit of correctness was sacrificed by not doing any test on
Iterable and just assuming that any non-atomic type was an iterable of
some kind.
:rtype: tuple
"""
# much of the corpus is falsy objects (empty list, tuple or set, None)
if not arg:
return ()
# `type in set` is significantly faster (because more restrictive) than
# isinstance(arg, set) or issubclass(type, set); and for new-style classes
# obj.__class__ is equivalent to but faster than type(obj). Not relevant
# (and looks much worse) in most cases, but over millions of calls it
# does have a very minor effect.
if arg.__class__ in atoms:
return arg,
return tuple(arg)
# keep those imports here to avoid dependency cycle errors
from .osv import expression
from .fields import Field, SpecialValue, FailedValue
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: