544 lines
18 KiB
Python
544 lines
18 KiB
Python
# -*- encoding: iso-8859-1 -*-
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##############################################################################
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#
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# Copyright (c) 2004-2006 TINY SPRL. (http://tiny.be) All Rights Reserved.
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#
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# $Id$
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#
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# WARNING: This program as such is intended to be used by professional
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# programmers who take the whole responsability of assessing all potential
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# consequences resulting from its eventual inadequacies and bugs
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# End users who are looking for a ready-to-use solution with commercial
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# garantees and support are strongly adviced to contract a Free Software
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# Service Company
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#
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# This program is Free Software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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##############################################################################
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# . Fields:
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# - simple
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# - relations (one2many, many2one, many2many)
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# - function
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#
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# Fields Attributes:
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# _classic_read: is a classic sql fields
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# _type : field type
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# readonly
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# required
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# size
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#
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import string
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import netsvc
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import psycopg
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import warnings
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def _symbol_set(symb):
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if symb==None or symb==False:
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return None
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elif isinstance(symb, unicode):
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return symb.encode('utf-8')
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return str(symb)
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class _column(object):
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_classic_read = True
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_classic_write = True
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_properties = False
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_type = 'unknown'
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_obj = None
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_symbol_c = '%s'
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_symbol_f = _symbol_set
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_symbol_set = (_symbol_c, _symbol_f)
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_symbol_get = None
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def __init__(self, string='unknown', required=False, readonly=False, domain=[], context='', states={}, priority=0, change_default=False, size=None, ondelete="set null", translate=False, select=False, **args):
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self.states = states
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self.string = string
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self.readonly = readonly
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self.required = required
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self.size = size
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self.help = args.get('help', '')
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self.priority = priority
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self.change_default = change_default
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self.ondelete = ondelete
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self.translate = translate
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self._domain = domain
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self.relate =False
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self._context = context
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self.group_name = False
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self.view_load = 0
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self.select=select
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for a in args:
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if args[a]:
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setattr(self, a, args[a])
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def set(self, cr, obj, id, name, value, user=None, context={}):
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cr.execute('update '+obj._table+' set '+name+'='+self._symbol_set[0]+' where id=%d', (self._symbol_set[1](value),id) )
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def get(self, cr, obj, ids, name, context={}, values={}):
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raise 'undefined get method !'
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def search(self, cr, obj, args, name, value, offset=0, limit=None, uid=None):
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ids = obj.search(cr, uid, args+self._domain+[(name,'ilike',value)], offset, limit)
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res = obj.read(cr, uid, ids, [name])
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return [x[name] for x in res]
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# ---------------------------------------------------------
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# Simple fields
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# ---------------------------------------------------------
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class boolean(_column):
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_type = 'boolean'
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_symbol_c = '%s'
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_symbol_f = lambda x: x and 'True' or 'False'
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_symbol_set = (_symbol_c, _symbol_f)
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class integer(_column):
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_type = 'integer'
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_symbol_c = '%d'
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_symbol_f = lambda x: int(x or 0)
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_symbol_set = (_symbol_c, _symbol_f)
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class reference(_column):
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_type = 'reference'
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def __init__(self, string, selection, size, **args):
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_column.__init__(self, string=string, size=size, selection=selection, **args)
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class char(_column):
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_type = 'char'
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def __init__(self, string, size, **args):
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_column.__init__(self, string=string, size=size, **args)
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self._symbol_set = (self._symbol_c, self._symbol_set_char)
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# takes a string (encoded in utf8) and returns a string (encoded in utf8)
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def _symbol_set_char(self, symb):
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#TODO:
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# * we need to remove the "symb==False" from the next line BUT
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# for now too many things rely on this broken behavior
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# * the symb==None test should be common to all data types
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if symb==None or symb==False:
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return None
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# we need to convert the string to a unicode object to be able
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# to evaluate its length (and possibly truncate it) reliably
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if isinstance(symb, str):
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u_symb = unicode(symb, 'utf8')
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elif isinstance(symb, unicode):
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u_symb = symb
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else:
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u_symb = unicode(symb)
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if len(u_symb) > self.size:
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return u_symb[:self.size-3].encode('utf8') + '...'
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else:
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return u_symb.encode('utf8')
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class text(_column):
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_type = 'text'
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import __builtin__
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class float(_column):
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_type = 'float'
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_symbol_c = '%f'
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_symbol_f = lambda x: __builtin__.float(x or 0.0)
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_symbol_set = (_symbol_c, _symbol_f)
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def __init__(self, string='unknown', digits=None, **args):
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_column.__init__(self, string=string, **args)
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self.digits = digits
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# We'll need to use decimal one day or another
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#try:
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# import decimal
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#except ImportError:
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# from tools import decimal
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#
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#class float(_column):
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# _type = 'float'
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# _symbol_c = '%f'
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# def __init__(self, string='unknown', digits=None, **args):
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# _column.__init__(self, string=string, **args)
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# self._symbol_set = (self._symbol_c, self._symbol_set_decimal)
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# self.digits = digits
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# if not digits:
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# scale = 4
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# else:
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# scale = digits[1]
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# self._scale = decimal.Decimal(str(10**-scale))
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# self._context = decimal.Context(prec=scale, rounding=decimal.ROUND_HALF_UP)
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#
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# def _symbol_set_decimal(self, symb):
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# if isinstance(symb, __builtin__.float):
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# return decimal.Decimal('%f' % symb)
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# return decimal.Decimal(symb)
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class date(_column):
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_type = 'date'
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class datetime(_column):
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_type = 'datetime'
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class time(_column):
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_type = 'time'
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class binary(_column):
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_type = 'binary'
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_symbol_c = '%s'
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_symbol_f = lambda symb: symb and psycopg.Binary(symb) or None
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_symbol_set = (_symbol_c, _symbol_f)
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class selection(_column):
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_type = 'selection'
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def __init__(self, selection, string='unknown', **args):
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_column.__init__(self, string=string, **args)
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self.selection = selection
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def set(self, cr, obj, id, name, value, user=None, context={}):
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#CHECKME: a priori, ceci n'est jamais appel<65> puisque le test ci-dessous est mauvais
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# la raison est que selection n'est pas en classic_write = false
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# a noter qu'on pourrait fournir un _symbol_set specifique, et ca suffirait
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if value in self.selection:
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raise 'BAD VALUE'
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_column.set(self, cr, obj, id, name, value, user=None, context=context)
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# ---------------------------------------------------------
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# Relationals fields
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# ---------------------------------------------------------
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#
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# Values: (0, 0, { fields }) create
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# (1, ID, { fields }) modification
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# (2, ID) remove (delete)
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# (3, ID) unlink one (target id or target of relation)
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# (4, ID) link
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# (5) unlink all (only valid for one2many)
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#
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#CHECKME: dans la pratique c'est quoi la syntaxe utilisee pour le 5? (5) ou (5, 0)?
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class one2one(_column):
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_classic_read = False
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_classic_write = True
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_type = 'one2one'
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def __init__(self, obj, string='unknown', **args):
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warnings.warn("The one2one field doesn't work anymore", DeprecationWarning)
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_column.__init__(self, string=string, **args)
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self._obj = obj
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def set(self, cr, obj_src, id, field, act, user=None, context={}):
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obj = obj_src.pool.get(self._obj)
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self._table = obj_src.pool.get(self._obj)._table
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if act[0]==0:
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id_new = obj.create(cr, user, act[1])
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cr.execute('update '+obj_src._table+' set '+field+'=%d where id=%d', (id_new,id))
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else:
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cr.execute('select '+field+' from '+obj_src._table+' where id=%d', (act[0],))
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id =cr.fetchone()[0]
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obj.write(cr, user, [id] , act[1], context=context)
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def search(self, cr, obj, args, name, value, offset=0, limit=None, uid=None):
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return obj.pool.get(self._obj).search(cr, uid, args+self._domain+[('name','like',value)], offset, limit)
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class many2one(_column):
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_classic_read = False
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_classic_write = True
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_type = 'many2one'
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def __init__(self, obj, string='unknown', **args):
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_column.__init__(self, string=string, **args)
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self._obj = obj
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#
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# TODO: speed improvement
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#
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# name is the name of the relation field
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def get(self, cr, obj, ids, name, user=None, context={}, values={}):
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res = {}
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for r in values:
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res[r['id']] = r[name]
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for id in ids:
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res.setdefault(id, '')
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obj = obj.pool.get(self._obj)
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# build a dictionary of the form {'id_of_distant_resource': name_of_distant_resource}
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names = dict(obj.name_get(cr, user, filter(None, res.values()), context))
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for r in res.keys():
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if res[r]:
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res[r] = (res[r], names.get(res[r], False))
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return res
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def set(self, cr, obj_src, id, field, values, user=None, context={}):
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obj = obj_src.pool.get(self._obj)
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self._table = obj_src.pool.get(self._obj)._table
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if type(values)==type([]):
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for act in values:
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if act[0]==0:
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id_new = obj.create(cr, act[2])
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cr.execute('update '+obj_src._table+' set '+field+'=%d where id=%d', (id_new,id))
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elif act[0]==1:
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obj.write(cr, [act[1]], act[2], context=context)
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elif act[0]==2:
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cr.execute('delete from '+self._table+' where id=%d', (act[1],))
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elif act[0]==3 or act[0]==5:
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cr.execute('update '+obj_src._table+' set '+field+'=null where id=%d', (id,))
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elif act[0]==4:
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cr.execute('update '+obj_src._table+' set '+field+'=%d where id=%d', (act[1],id))
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else:
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if values:
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cr.execute('update '+obj_src._table+' set '+field+'=%d where id=%d', (values,id))
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else:
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cr.execute('update '+obj_src._table+' set '+field+'=null where id=%d', (id,))
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def search(self, cr, obj, args, name, value, offset=0, limit=None, uid=None):
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return obj.pool.get(self._obj).search(cr, uid, args+self._domain+[('name','like',value)], offset, limit)
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class one2many(_column):
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_classic_read = False
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_classic_write = False
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_type = 'one2many'
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def __init__(self, obj, fields_id, string='unknown', limit=None, **args):
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_column.__init__(self, string=string, **args)
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self._obj = obj
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self._fields_id = fields_id
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self._limit = limit
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#one2many can't be used as condition for defaults
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assert(self.change_default != True)
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def get(self, cr, obj, ids, name, user=None, offset=0, context={}, values={}):
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res = {}
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for id in ids:
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res[id] = []
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ids2 = obj.pool.get(self._obj).search(cr, user, [(self._fields_id,'in',ids)], limit=self._limit)
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for r in obj.pool.get(self._obj)._read_flat(cr, user, ids2, [self._fields_id], context=context, load='_classic_write'):
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res[r[self._fields_id]].append( r['id'] )
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return res
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def set(self, cr, obj, id, field, values, user=None, context={}):
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if not values:
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return
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_table = obj.pool.get(self._obj)._table
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obj = obj.pool.get(self._obj)
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for act in values:
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if act[0]==0:
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act[2][self._fields_id] = id
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obj.create(cr, user, act[2], context=context)
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elif act[0]==1:
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obj.write(cr, user, [act[1]] , act[2], context=context)
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elif act[0]==2:
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obj.unlink(cr, user, [act[1]], context=context)
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elif act[0]==3:
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cr.execute('update '+_table+' set '+self._fields_id+'=null where id=%d', (act[1],))
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elif act[0]==4:
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cr.execute('update '+_table+' set '+self._fields_id+'=%d where id=%d', (id,act[1]))
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elif act[0]==5:
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cr.execute('update '+_table+' set '+self._fields_id+'=null where '+self._fields_id+'=%d', (id,))
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elif act[0]==6:
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if len(act[2]):
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cr.execute('update '+_table+' set '+self._fields_id+'=%d where id in ('+','.join(map(str, act[2]))+')', (id,))
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def search(self, cr, obj, args, name, value, offset=0, limit=None, uid=None, operator='like'):
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return obj.pool.get(self._obj).name_search(cr, uid, value, self._domain, offset, limit)
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#
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# Values: (0, 0, { fields }) create
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# (1, ID, { fields }) modification
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# (2, ID) remove
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# (3, ID) unlink
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# (4, ID) link
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# (5, ID) unlink all
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# (6, ?, ids) set a list of links
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#
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class many2many(_column):
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_classic_read = False
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_classic_write = False
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_type = 'many2many'
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def __init__(self, obj, rel, id1, id2, string='unknown', limit=None, **args):
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_column.__init__(self, string=string, **args)
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self._obj = obj
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self._rel = rel
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self._id1 = id1
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self._id2 = id2
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self._limit = limit
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def get(self, cr, obj, ids, name, user=None, offset=0, context={}, values={}):
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res = {}
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if not ids:
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return res
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ids_s = ','.join(map(str,ids))
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limit_str = self._limit is not None and ' limit %d' % self._limit or ''
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cr.execute('select '+self._id2+','+self._id1+' from '+self._rel+' where '+self._id1+' in ('+ids_s+')'+limit_str+' offset %d', (offset,))
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for id in ids:
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res[id] = []
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for r in cr.fetchall():
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res[r[1]].append(r[0])
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return res
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def set(self, cr, obj, id, name, values, user=None, context={}):
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if not values:
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return
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obj = obj.pool.get(self._obj)
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for act in values:
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if act[0]==0:
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idnew = obj.create(cr, user, act[2])
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cr.execute('insert into '+self._rel+' ('+self._id1+','+self._id2+') values (%d,%d)', (id,idnew))
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elif act[0]==1:
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obj.write(cr, user, [act[1]] , act[2], context=context)
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elif act[0]==2:
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obj.unlink(cr, user, [act[1]], context=context)
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elif act[0]==3:
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cr.execute('update '+self._rel+' set '+self._id2+'=null where ' + self._id1 + '=%d', (act[1],))
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elif act[0]==4:
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cr.execute('update '+self._rel+' set '+self._id2+'=%d where ' + self._id1 + '=%d and ' + self._id2 + '=%d', (act[1], id, act[1]))
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elif act[0]==5:
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cr.execute('update '+self._rel+' set '+self._id2+'=null where '+self._id2+'=%d', (id,))
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elif act[0]==6:
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cr.execute('delete from '+self._rel+' where '+self._id1+'=%d', (id, ))
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for act_nbr in act[2]:
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cr.execute('insert into '+self._rel+' ('+self._id1+','+self._id2+') values (%d, %d)', (id, act_nbr))
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#
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# TODO: use a name_search
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#
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def search(self, cr, obj, args, name, value, offset=0, limit=None, uid=None, operator='like'):
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return obj.pool.get(self._obj).search(cr, uid, args+self._domain+[('name',operator,value)], offset, limit)
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# ---------------------------------------------------------
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# Function fields
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# ---------------------------------------------------------
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class function(_column):
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_classic_read = False
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_classic_write = False
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_type = 'function'
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_properties = True
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def __init__(self, fnct, arg=None, fnct_inv=None, fnct_inv_arg=None, type='float', fnct_search=None, obj=None, method=False, **args):
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_column.__init__(self, **args)
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self._obj = obj
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self._method = method
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self._fnct = fnct
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self._fnct_inv = fnct_inv
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self._arg = arg
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if 'relation' in args:
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self._obj = args['relation']
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self._fnct_inv_arg = fnct_inv_arg
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if not fnct_inv:
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self.readonly = 1
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self._type = type
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self._fnct_search = fnct_search
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def search(self, cr, uid, obj, name, args):
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if not self._fnct_search:
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#CHECKME: should raise an exception
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return []
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return self._fnct_search(obj, cr, uid, obj, name, args)
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def get(self, cr, obj, ids, name, user=None, context={}, values={}):
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res = {}
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table = obj._table
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if self._method:
|
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# TODO get HAS to receive uid for permissions !
|
||
return self._fnct(obj, cr, user, ids, name, self._arg, context)
|
||
else:
|
||
return self._fnct(cr, table, ids, name, self._arg, context)
|
||
|
||
def set(self, cr, obj, id, name, value, user=None, context={}):
|
||
if self._fnct_inv:
|
||
self._fnct_inv(obj, cr, user, id, name, value, self._fnct_inv_arg, context)
|
||
|
||
# ---------------------------------------------------------
|
||
# Serialized fields
|
||
# ---------------------------------------------------------
|
||
class serialized(_column):
|
||
def __init__(self, string='unknown', serialize_func=repr, deserialize_func=eval, type='text', **args):
|
||
self._serialize_func = serialize_func
|
||
self._deserialize_func = deserialize_func
|
||
self._type = type
|
||
self._symbol_set = (self._symbol_c, self._serialize_func)
|
||
self._symbol_get = self._deserialize_func
|
||
super(serialized, self).__init__(string=string, **args)
|
||
|
||
class property(function):
|
||
def _fnct_write(self2, self, cr, uid, id, prop, id_val, val, context={}):
|
||
(obj_dest,) = val
|
||
definition_id = self2._field_get(self, cr, uid, prop)
|
||
|
||
property = self.pool.get('ir.property')
|
||
nid = property.search(cr, uid, [('fields_id','=',definition_id),('res_id','=',self._name+','+str(id))])
|
||
while len(nid):
|
||
cr.execute('delete from ir_property where id=%d', (nid.pop(),))
|
||
|
||
nid = property.search(cr, uid, [('fields_id','=',definition_id),('res_id','=',False)])
|
||
default_val = False
|
||
if nid:
|
||
default_val = property.browse(cr, uid, nid[0], context).value
|
||
|
||
company_id = self.pool.get('res.users').company_get(cr, uid, uid)
|
||
res = False
|
||
newval = (id_val and obj_dest+','+str(id_val)) or False
|
||
if (newval != default_val) and newval:
|
||
propdef = self.pool.get('ir.model.fields').browse(cr, uid, definition_id, context=context)
|
||
res = property.create(cr, uid, {
|
||
'name': propdef.name,
|
||
'value': newval,
|
||
'res_id': self._name+','+str(id),
|
||
'company_id': company_id,
|
||
'fields_id': definition_id
|
||
}, context=context)
|
||
return res
|
||
|
||
def _fnct_read(self2, self, cr, uid, ids, prop, val, context={}):
|
||
property = self.pool.get('ir.property')
|
||
definition_id = self2._field_get(self, cr, uid, prop)
|
||
|
||
nid = property.search(cr, uid, [('fields_id','=',definition_id),('res_id','=',False)])
|
||
default_val = False
|
||
if nid:
|
||
d = property.browse(cr, uid, nid[0], context).value
|
||
default_val = (d and int(d.split(',')[1])) or False
|
||
|
||
vids = map(lambda id: self._name+','+str(id), ids)
|
||
nids = property.search(cr, uid, [('fields_id','=',definition_id),('res_id','in', vids)])
|
||
|
||
res = {}
|
||
for id in ids:
|
||
res[id]= default_val
|
||
for prop in property.browse(cr, uid, nids):
|
||
res[int(prop.res_id.split(',')[1])] = (prop.value and int(prop.value.split(',')[1])) or False
|
||
|
||
obj = self.pool.get(self2._obj)
|
||
names = dict(obj.name_get(cr, uid, filter(None, res.values()), context))
|
||
for r in res.keys():
|
||
if res[r]:
|
||
res[r] = (res[r], names.get(res[r], False))
|
||
return res
|
||
|
||
def _field_get(self, self2, cr, uid, prop):
|
||
if not self.field_id.get(cr.dbname):
|
||
cr.execute('select id from ir_model_fields where name=%s and model=%s', (prop, self2._name))
|
||
res = cr.fetchone()
|
||
self.field_id[cr.dbname] = res and res[0]
|
||
return self.field_id[cr.dbname]
|
||
|
||
def __init__(self, obj_prop, **args):
|
||
self.field_id = {}
|
||
function.__init__(self,
|
||
self._fnct_read, False,
|
||
self._fnct_write, (obj_prop, ),
|
||
**args)
|