odoo/openerp/modules/module.py

487 lines
16 KiB
Python

# -*- coding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
# Copyright (C) 2010-2014 OpenERP s.a. (<http://openerp.com>).
#
# 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/>.
#
##############################################################################
import functools
import imp
import importlib
import inspect
import itertools
import logging
import os
import re
import sys
import time
import unittest
import threading
from os.path import join as opj
import unittest2
import openerp
import openerp.tools as tools
import openerp.release as release
from openerp.tools.safe_eval import safe_eval as eval
MANIFEST = '__openerp__.py'
README = ['README.rst', 'README.md', 'README.txt']
_logger = logging.getLogger(__name__)
# addons path as a list
ad_paths = []
hooked = False
# Modules already loaded
loaded = []
class AddonsImportHook(object):
"""
Import hook to load OpenERP addons from multiple paths.
OpenERP implements its own import-hook to load its addons. OpenERP
addons are Python modules. Originally, they were each living in their
own top-level namespace, e.g. the sale module, or the hr module. For
backward compatibility, `import <module>` is still supported. Now they
are living in `openerp.addons`. The good way to import such modules is
thus `import openerp.addons.module`.
"""
def find_module(self, module_name, package_path):
module_parts = module_name.split('.')
if len(module_parts) == 3 and module_name.startswith('openerp.addons.'):
return self # We act as a loader too.
def load_module(self, module_name):
if module_name in sys.modules:
return sys.modules[module_name]
_1, _2, module_part = module_name.split('.')
# Note: we don't support circular import.
f, path, descr = imp.find_module(module_part, ad_paths)
mod = imp.load_module('openerp.addons.' + module_part, f, path, descr)
sys.modules['openerp.addons.' + module_part] = mod
return mod
def initialize_sys_path():
"""
Setup an import-hook to be able to import OpenERP addons from the different
addons paths.
This ensures something like ``import crm`` (or even
``import openerp.addons.crm``) works even if the addons are not in the
PYTHONPATH.
"""
global ad_paths
global hooked
dd = tools.config.addons_data_dir
if dd not in ad_paths:
ad_paths.append(dd)
for ad in tools.config['addons_path'].split(','):
ad = os.path.abspath(tools.ustr(ad.strip()))
if ad not in ad_paths:
ad_paths.append(ad)
# add base module path
base_path = os.path.abspath(os.path.join(os.path.dirname(os.path.dirname(__file__)), 'addons'))
if base_path not in ad_paths:
ad_paths.append(base_path)
if not hooked:
sys.meta_path.append(AddonsImportHook())
hooked = True
def get_module_path(module, downloaded=False, display_warning=True):
"""Return the path of the given module.
Search the addons paths and return the first path where the given
module is found. If downloaded is True, return the default addons
path if nothing else is found.
"""
initialize_sys_path()
for adp in ad_paths:
if os.path.exists(opj(adp, module)) or os.path.exists(opj(adp, '%s.zip' % module)):
return opj(adp, module)
if downloaded:
return opj(tools.config.addons_data_dir, module)
if display_warning:
_logger.warning('module %s: module not found', module)
return False
def get_module_filetree(module, dir='.'):
path = get_module_path(module)
if not path:
return False
dir = os.path.normpath(dir)
if dir == '.':
dir = ''
if dir.startswith('..') or (dir and dir[0] == '/'):
raise Exception('Cannot access file outside the module')
files = openerp.tools.osutil.listdir(path, True)
tree = {}
for f in files:
if not f.startswith(dir):
continue
if dir:
f = f[len(dir)+int(not dir.endswith('/')):]
lst = f.split(os.sep)
current = tree
while len(lst) != 1:
current = current.setdefault(lst.pop(0), {})
current[lst.pop(0)] = None
return tree
def get_module_resource(module, *args):
"""Return the full path of a resource of the given module.
:param module: module name
:param list(str) args: resource path components within module
:rtype: str
:return: absolute path to the resource
TODO name it get_resource_path
TODO make it available inside on osv object (self.get_resource_path)
"""
mod_path = get_module_path(module)
if not mod_path: return False
resource_path = opj(mod_path, *args)
if os.path.isdir(mod_path):
# the module is a directory - ignore zip behavior
if os.path.exists(resource_path):
return resource_path
return False
def get_module_icon(module):
iconpath = ['static', 'description', 'icon.png']
if get_module_resource(module, *iconpath):
return ('/' + module + '/') + '/'.join(iconpath)
return '/base/' + '/'.join(iconpath)
def get_module_root(path):
"""
Get closest module's root begining from path
# Given:
# /foo/bar/module_dir/static/src/...
get_module_root('/foo/bar/module_dir/static/')
# returns '/foo/bar/module_dir'
get_module_root('/foo/bar/module_dir/')
# returns '/foo/bar/module_dir'
get_module_root('/foo/bar')
# returns None
@param path: Path from which the lookup should start
@return: Module root path or None if not found
"""
while not os.path.exists(os.path.join(path, MANIFEST)):
new_path = os.path.abspath(os.path.join(path, os.pardir))
if path == new_path:
return None
path = new_path
return path
def load_information_from_description_file(module, mod_path=None):
"""
:param module: The name of the module (sale, purchase, ...)
:param mod_path: Physical path of module, if not providedThe name of the module (sale, purchase, ...)
"""
if not mod_path:
mod_path = get_module_path(module)
terp_file = mod_path and opj(mod_path, MANIFEST) or False
if terp_file:
info = {}
if os.path.isfile(terp_file):
# default values for descriptor
info = {
'application': False,
'author': '',
'auto_install': False,
'category': 'Uncategorized',
'depends': [],
'description': '',
'icon': get_module_icon(module),
'installable': True,
'license': 'AGPL-3',
'post_load': None,
'version': '1.0',
'web': False,
'website': '',
'sequence': 100,
'summary': '',
}
info.update(itertools.izip(
'depends data demo test init_xml update_xml demo_xml'.split(),
iter(list, None)))
f = tools.file_open(terp_file)
try:
info.update(eval(f.read()))
finally:
f.close()
if not info.get('description'):
readme_path = [opj(mod_path, x) for x in README
if os.path.isfile(opj(mod_path, x))]
if readme_path:
readme_text = tools.file_open(readme_path[0]).read()
info['description'] = readme_text
if 'active' in info:
# 'active' has been renamed 'auto_install'
info['auto_install'] = info['active']
info['version'] = adapt_version(info['version'])
return info
#TODO: refactor the logger in this file to follow the logging guidelines
# for 6.0
_logger.debug('module %s: no %s file found.', module, MANIFEST)
return {}
def init_module_models(cr, module_name, obj_list):
""" Initialize a list of models.
Call _auto_init and init on each model to create or update the
database tables supporting the models.
TODO better explanation of _auto_init and init.
"""
_logger.info('module %s: creating or updating database tables', module_name)
todo = []
for obj in obj_list:
result = obj._auto_init(cr, {'module': module_name})
if result:
todo += result
if hasattr(obj, 'init'):
obj.init(cr)
cr.commit()
for obj in obj_list:
obj._auto_end(cr, {'module': module_name})
cr.commit()
todo.sort(key=lambda x: x[0])
for t in todo:
t[1](cr, *t[2])
cr.commit()
def load_openerp_module(module_name):
""" Load an OpenERP module, if not already loaded.
This loads the module and register all of its models, thanks to either
the MetaModel metaclass, or the explicit instantiation of the model.
This is also used to load server-wide module (i.e. it is also used
when there is no model to register).
"""
global loaded
if module_name in loaded:
return
initialize_sys_path()
try:
mod_path = get_module_path(module_name)
__import__('openerp.addons.' + module_name)
# Call the module's post-load hook. This can done before any model or
# data has been initialized. This is ok as the post-load hook is for
# server-wide (instead of registry-specific) functionalities.
info = load_information_from_description_file(module_name)
if info['post_load']:
getattr(sys.modules['openerp.addons.' + module_name], info['post_load'])()
except Exception, e:
msg = "Couldn't load module %s" % (module_name)
_logger.critical(msg)
_logger.critical(e)
raise
else:
loaded.append(module_name)
def get_modules():
"""Returns the list of module names
"""
def listdir(dir):
def clean(name):
name = os.path.basename(name)
if name[-4:] == '.zip':
name = name[:-4]
return name
def is_really_module(name):
manifest_name = opj(dir, name, MANIFEST)
zipfile_name = opj(dir, name)
return os.path.isfile(manifest_name)
return map(clean, filter(is_really_module, os.listdir(dir)))
plist = []
initialize_sys_path()
for ad in ad_paths:
plist.extend(listdir(ad))
return list(set(plist))
def get_modules_with_version():
modules = get_modules()
res = dict.fromkeys(modules, adapt_version('1.0'))
for module in modules:
try:
info = load_information_from_description_file(module)
res[module] = info['version']
except Exception:
continue
return res
def adapt_version(version):
serie = release.major_version
if version == serie or not version.startswith(serie + '.'):
version = '%s.%s' % (serie, version)
return version
def get_test_modules(module):
""" Return a list of module for the addons potentially containing tests to
feed unittest2.TestLoader.loadTestsFromModule() """
# Try to import the module
modpath = 'openerp.addons.' + module
try:
mod = importlib.import_module('.tests', modpath)
except Exception, e:
# If module has no `tests` sub-module, no problem.
if str(e) != 'No module named tests':
_logger.exception('Can not `import %s`.', module)
return []
if hasattr(mod, 'fast_suite') or hasattr(mod, 'checks'):
_logger.warn(
"Found deprecated fast_suite or checks attribute in test module "
"%s. These have no effect in or after version 8.0.",
mod.__name__)
result = [mod_obj for name, mod_obj in inspect.getmembers(mod, inspect.ismodule)
if name.startswith('test_')]
return result
# Use a custom stream object to log the test executions.
class TestStream(object):
def __init__(self, logger_name='openerp.tests'):
self.logger = logging.getLogger(logger_name)
self.r = re.compile(r'^-*$|^ *... *$|^ok$')
def flush(self):
pass
def write(self, s):
if self.r.match(s):
return
first = True
level = logging.ERROR if s.startswith(('ERROR', 'FAIL', 'Traceback')) else logging.INFO
for c in s.splitlines():
if not first:
c = '` ' + c
first = False
self.logger.log(level, c)
current_test = None
def runs_at(test, hook, default):
# by default, tests do not run post install
test_runs = getattr(test, hook, default)
# for a test suite, we're done
if not isinstance(test, unittest.TestCase):
return test_runs
# otherwise check the current test method to see it's been set to a
# different state
method = getattr(test, test._testMethodName)
return getattr(method, hook, test_runs)
runs_at_install = functools.partial(runs_at, hook='at_install', default=True)
runs_post_install = functools.partial(runs_at, hook='post_install', default=False)
def run_unit_tests(module_name, dbname, position=runs_at_install):
"""
:returns: ``True`` if all of ``module_name``'s tests succeeded, ``False``
if any of them failed.
:rtype: bool
"""
global current_test
current_test = module_name
mods = get_test_modules(module_name)
threading.currentThread().testing = True
r = True
for m in mods:
tests = unwrap_suite(unittest2.TestLoader().loadTestsFromModule(m))
suite = unittest2.TestSuite(itertools.ifilter(position, tests))
if suite.countTestCases():
t0 = time.time()
t0_sql = openerp.sql_db.sql_counter
_logger.info('%s running tests.', m.__name__)
result = unittest2.TextTestRunner(verbosity=2, stream=TestStream(m.__name__)).run(suite)
if time.time() - t0 > 5:
_logger.log(25, "%s tested in %.2fs, %s queries", m.__name__, time.time() - t0, openerp.sql_db.sql_counter - t0_sql)
if not result.wasSuccessful():
r = False
_logger.error("Module %s: %d failures, %d errors", module_name, len(result.failures), len(result.errors))
current_test = None
threading.currentThread().testing = False
return r
def unwrap_suite(test):
"""
Attempts to unpack testsuites (holding suites or cases) in order to
generate a single stream of terminals (either test cases or customized
test suites). These can then be checked for run/skip attributes
individually.
An alternative would be to use a variant of @unittest2.skipIf with a state
flag of some sort e.g. @unittest2.skipIf(common.runstate != 'at_install'),
but then things become weird with post_install as tests should *not* run
by default there
"""
if isinstance(test, unittest.TestCase):
yield test
return
subtests = list(test)
# custom test suite (no test cases)
if not len(subtests):
yield test
return
for item in itertools.chain.from_iterable(
itertools.imap(unwrap_suite, subtests)):
yield item
# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4: