flectra/flectra/modules/module.py

549 lines
18 KiB
Python

# -*- coding: utf-8 -*-
# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
import ast
import functools
import imp
import importlib
import inspect
import itertools
import logging
import os
import pkg_resources
import re
import sys
import time
import types
import unittest
import threading
from operator import itemgetter
from os.path import join as opj
import flectra
import flectra.tools as tools
import flectra.release as release
from flectra import SUPERUSER_ID, api
from flectra.tools import pycompat
MANIFEST_NAMES = ('__manifest__.py', '__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 AddonsHook(object):
""" Makes modules accessible through openerp.addons.* and flectra.addons.* """
def find_module(self, name, path=None):
if name.startswith(('flectra.addons.', 'openerp.addons.'))\
and name.count('.') == 2:
return self
def load_module(self, name):
assert name not in sys.modules
# get canonical names
flectra_name = re.sub(r'^openerp.addons.(\w+)$', r'flectra.addons.\g<1>', name)
openerp_name = re.sub(r'^flectra.addons.(\w+)$', r'openerp.addons.\g<1>', flectra_name)
assert flectra_name not in sys.modules
assert openerp_name not in sys.modules
# get module name in addons paths
_1, _2, addon_name = name.split('.')
# load module
f, path, (_suffix, _mode, type_) = imp.find_module(addon_name, ad_paths)
if f: f.close()
# TODO: fetch existing module from sys.modules if reloads permitted
# create empty flectra.addons.* module, set name
new_mod = types.ModuleType(flectra_name)
new_mod.__loader__ = self
# module top-level can only be a package
assert type_ == imp.PKG_DIRECTORY, "Flectra addon top-level must be a package"
modfile = opj(path, '__init__.py')
new_mod.__file__ = modfile
new_mod.__path__ = [path]
new_mod.__package__ = flectra_name
# both base and alias should be in sys.modules to handle recursive and
# corecursive situations
sys.modules[flectra_name] = sys.modules[openerp_name] = new_mod
# execute source in context of module *after* putting everything in
# sys.modules, so recursive import works
exec(open(modfile, 'rb').read(), new_mod.__dict__)
# people import openerp.addons and expect openerp.addons.<module> to work
setattr(flectra.addons, addon_name, new_mod)
return sys.modules[name]
# need to register loader with setuptools as Jinja relies on it when using
# PackageLoader
pkg_resources.register_loader_type(AddonsHook, pkg_resources.DefaultProvider)
class FlectraHook(object):
""" Makes flectra package also available as openerp """
def find_module(self, name, path=None):
# openerp.addons.<identifier> should already be matched by AddonsHook,
# only framework and subdirectories of modules should match
if re.match(r'^openerp\b', name):
return self
def load_module(self, name):
assert name not in sys.modules
canonical = re.sub(r'^openerp(.*)', r'flectra\g<1>', name)
if canonical in sys.modules:
mod = sys.modules[canonical]
else:
# probable failure: canonical execution calling old naming -> corecursion
mod = importlib.import_module(canonical)
# just set the original module at the new location. Don't proxy,
# it breaks *-import (unless you can find how `from a import *` lists
# what's supposed to be imported by `*`, and manage to override it)
sys.modules[name] = mod
return sys.modules[name]
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 flectra.addons.crm``) works even if the addons are not in the
PYTHONPATH.
"""
global ad_paths
global hooked
dd = tools.config.addons_data_dir
if os.access(dd, os.R_OK) and 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 and os.path.isdir(base_path):
ad_paths.append(base_path)
# add flectra.addons.__path__
for ad in __import__('flectra.addons').addons.__path__:
ad = os.path.abspath(ad)
if ad not in ad_paths and os.path.isdir(ad):
ad_paths.append(ad)
if not hooked:
sys.meta_path.insert(0, FlectraHook())
sys.meta_path.insert(0, AddonsHook())
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:
files = [opj(adp, module, manifest) for manifest in MANIFEST_NAMES] +\
[opj(adp, module + '.zip')]
if any(os.path.exists(f) for f in files):
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 = flectra.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_resource_path(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 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
# backwards compatibility
get_module_resource = get_resource_path
def get_resource_from_path(path):
"""Tries to extract the module name and the resource's relative path
out of an absolute resource path.
If operation is successfull, returns a tuple containing the module name, the relative path
to the resource using '/' as filesystem seperator[1] and the same relative path using
os.path.sep seperators.
[1] same convention as the resource path declaration in manifests
:param path: absolute resource path
:rtype: tuple
:return: tuple(module_name, relative_path, os_relative_path) if possible, else None
"""
resource = False
for adpath in ad_paths:
# force trailing separator
adpath = os.path.join(adpath, "")
if os.path.commonprefix([adpath, path]) == adpath:
resource = path.replace(adpath, "", 1)
break
if resource:
relative = resource.split(os.path.sep)
if not relative[0]:
relative.pop(0)
module = relative.pop(0)
return (module, '/'.join(relative), os.path.sep.join(relative))
return None
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 module_manifest(path):
"""Returns path to module manifest if one can be found under `path`, else `None`."""
if not path:
return None
for manifest_name in MANIFEST_NAMES:
if os.path.isfile(opj(path, manifest_name)):
return opj(path, manifest_name)
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 module_manifest(path):
new_path = os.path.abspath(opj(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, downloaded=True)
manifest_file = module_manifest(mod_path)
if manifest_file:
# default values for descriptor
info = {
'application': False,
'author': 'FlectraHQ',
'auto_install': False,
'category': 'Uncategorized',
'depends': [],
'description': '',
'icon': get_module_icon(module),
'installable': True,
'license': 'LGPL-3',
'post_load': None,
'version': '1.0',
'web': False,
'website': 'https://www.flectrahq.com',
'sequence': 100,
'summary': '',
}
info.update(pycompat.izip(
'depends data demo test init_xml update_xml demo_xml'.split(),
iter(list, None)))
f = tools.file_open(manifest_file, mode='rb')
try:
info.update(ast.literal_eval(pycompat.to_native(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
_logger.debug('module %s: no manifest file found %s', module, MANIFEST_NAMES)
return {}
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:
__import__('flectra.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['flectra.addons.' + module_name], info['post_load'])()
except Exception as 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):
for mname in MANIFEST_NAMES:
if os.path.isfile(opj(dir, name, mname)):
return True
return [
clean(it)
for it in os.listdir(dir)
if is_really_module(it)
]
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 unittest.TestLoader.loadTestsFromModule() """
# Try to import the module
modpath = 'flectra.addons.' + module
try:
mod = importlib.import_module('.tests', modpath)
except ImportError as e: # will also catch subclass ModuleNotFoundError of P3.6
# Hide ImportErrors on `tests` sub-module, but display other exceptions
if pycompat.PY2:
if e.message.startswith('No module named') and e.message.endswith("tests"):
return []
else:
if e.name == modpath + '.tests' and e.msg.startswith('No module named'):
return []
_logger.exception('Can not `import %s`.', module)
return []
except Exception as e:
_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='flectra.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(unittest.TestLoader().loadTestsFromModule(m))
suite = unittest.TestSuite(t for t in tests if position(t))
if suite.countTestCases():
t0 = time.time()
t0_sql = flectra.sql_db.sql_counter
_logger.info('%s running tests.', m.__name__)
result = unittest.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, flectra.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 @unittest.skipIf with a state
flag of some sort e.g. @unittest.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(
unwrap_suite(t) for t in subtests):
yield item