goa/testlib.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Mon, 03 Aug 2009 10:50:57 +0200
changeset 2650 18aec79ec3a3
parent 2058 7ef12c03447c
child 2856 ef3d02642b4c
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R [vreg] important refactoring of the vregistry, moving behaviour to end dictionnary (and so leaving room for more flexibility ; keep bw compat ; update api usage in cw
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"""
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:organization: Logilab
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:copyright: 2008-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
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"""
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__docformat__ = "restructuredtext en"
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from logilab.common.testlib import TestCase
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import os, os.path as osp
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import time
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from shutil import copy
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# additional monkey patches necessary in regular cubicweb environment
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from cubicweb.server import rqlannotation
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from cubicweb.goa.overrides import rqlannotation as goarqlannotation
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rqlannotation.SQLGenAnnotator = goarqlannotation.SQLGenAnnotator
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rqlannotation.set_qdata = goarqlannotation.set_qdata
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try:
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    from google.appengine.api import apiproxy_stub_map
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    from google.appengine.api import datastore_file_stub
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    from google.appengine.ext import db as gdb
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    from cubicweb.goa import db, do_monkey_patch
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    import_appengine_failed = None
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except ImportError, exc:
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    # XXX necessary ?
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    class db:
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        class Model:
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            pass
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        class DummyProperty:
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            def __init__(self, *args, **kwargs):
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                pass
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        TextProperty = DummyProperty
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        StringProperty = DummyProperty
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        BlobProperty = DummyProperty
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        DateProperty = DummyProperty
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        ReferenceProperty = DummyProperty
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        SelfReferenceProperty = DummyProperty
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    import_appengine_failed = 'cannot import appengine: %s' % exc
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from cubicweb.devtools.fake import FakeRequest
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from cubicweb.goa.goavreg import GAEVregistry
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from cubicweb.goa.goaconfig import GAEConfiguration
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from cubicweb.goa.dbinit import (create_user, create_groups, fix_entities,
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                              init_persistent_schema, insert_versions)
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import logging
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logger = logging.getLogger()
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logger.setLevel(logging.CRITICAL)
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do_monkey_patch()
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class GAEBasedTC(TestCase):
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    APP_ID = u'test_app'
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    AUTH_DOMAIN = 'gmail.com'
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    LOGGED_IN_USER = u't...@example.com'  # set to '' for no logged in user
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    MODEL_CLASSES = None
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    LOAD_APP_MODULES = None
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    config = None
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    _DS_TEMPL_FILE = 'tmpdb-template'
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    def load_schema_hook(self, loader):
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        loader.import_yams_cube_schema('data')
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    @property
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    def DS_FILE(self):
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        return self.DS_TEMPL_FILE.replace('-template', '')
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    @property
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    def DS_TEMPL_FILE(self):
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        return self._DS_TEMPL_FILE + '_'.join(sorted(cls.__name__ for cls in self.MODEL_CLASSES))
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    def _set_ds_file(self, dsfile):
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        # Start with a fresh api proxy.
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        apiproxy_stub_map.apiproxy = apiproxy_stub_map.APIProxyStubMap()
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        # Use a fresh stub datastore.
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        stub = datastore_file_stub.DatastoreFileStub(self.APP_ID, dsfile,
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                                                     dsfile+'.history')
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        apiproxy_stub_map.apiproxy.RegisterStub('datastore_v3', stub)
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    def setUp(self):
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        if import_appengine_failed:
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            self.skip(import_appengine_failed)
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        # Ensure we're in UTC.
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        os.environ['TZ'] = 'UTC'
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        time.tzset()
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        if osp.exists(self.DS_TEMPL_FILE):
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            copy(self.DS_TEMPL_FILE, self.DS_FILE)
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            need_ds_init = False
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            self._set_ds_file(self.DS_FILE)
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        else:
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            need_ds_init = True
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            self._set_ds_file(self.DS_TEMPL_FILE)
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#         from google.appengine.api import mail_stub
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#         from google3.apphosting.api import urlfetch_stub
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#         from google3.apphosting.api import user_service_stub
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#         # Use a fresh stub UserService.
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#         apiproxy_stub_map.apiproxy.RegisterStub(
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#             'user', user_service_stub.UserServiceStub())
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        os.environ['AUTH_DOMAIN'] = self.AUTH_DOMAIN
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        os.environ['USER_EMAIL'] = self.LOGGED_IN_USER
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#         # Use a fresh urlfetch stub.
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#         apiproxy_stub_map.apiproxy.RegisterStub(
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#             'urlfetch', urlfetch_stub.URLFetchServiceStub())
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#         # Use a fresh mail stub.
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#         apiproxy_stub_map.apiproxy.RegisterStub(
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#             'mail', mail_stub.MailServiceStub())
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        if self.MODEL_CLASSES is None:
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            raise Exception('GAEBasedTC should set MODEL_CLASSES class attribute')
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        gdb._kind_map = {}
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        self.config = self.config or GAEConfiguration('toto')
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        self.config.init_log(logging.CRITICAL)
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        self.schema = self.config.load_schema(self.MODEL_CLASSES,
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                                              self.load_schema_hook)
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        self.vreg = GAEVregistry(self.config)
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        self.vreg.schema = self.schema
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        self.vreg.load_module(db)
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        from cubicweb.goa.appobjects import sessions
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        self.vreg.load_module(sessions)
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        from cubicweb.entities import authobjs, schemaobjs
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        self.vreg.load_module(authobjs)
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        self.vreg.load_module(schemaobjs)
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        if self.config['use-google-auth']:
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            from cubicweb.goa.appobjects import gauthservice
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            self.vreg.load_module(gauthservice)
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        if self.LOAD_APP_MODULES is not None:
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            for module in self.LOAD_APP_MODULES:
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                self.vreg.load_module(module)
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        for cls in self.MODEL_CLASSES:
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            self.vreg.load_object(cls)
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7ef12c03447c nicer vreg api, try to make rset an optional named argument in select and derivated (including selectors)
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        self.session_manager = self.vreg.select('components', 'sessionmanager')
0
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        if need_ds_init:
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            # create default groups and create entities according to the schema
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            create_groups()
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            if not self.config['use-google-auth']:
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                create_user(self.LOGGED_IN_USER, 'toto', ('users', 'managers'))
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                self.session = self.login(self.LOGGED_IN_USER, 'toto')
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            else:
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                req = FakeRequest(vreg=self.vreg)
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                self.session = self.session_manager.open_session(req)
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            self.user = self.session.user()
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            ssession = self.config.repo_session(self.session.sessionid)
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            ssession.set_pool()
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            init_persistent_schema(ssession, self.schema)
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            insert_versions(ssession, self.config)
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            ssession.commit()
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            fix_entities(self.schema)
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            copy(self.DS_TEMPL_FILE, self.DS_FILE)
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            self._set_ds_file(self.DS_FILE)
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        else:
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            if not self.config['use-google-auth']:
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                self.session = self.login(self.LOGGED_IN_USER, 'toto')
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            else:
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                req = FakeRequest(vreg=self.vreg)
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                self.session = self.session_manager.open_session(req)
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            self.user = self.session.user()
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0
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    def tearDown(self):
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        self.session.close()
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0
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    def request(self):
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        req = FakeRequest(vreg=self.vreg)
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        req.set_connection(self.session, self.user)
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        return req
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0
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    def add_entity(self, etype, **kwargs):
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        cu = self.session.cursor()
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        rql = 'INSERT %s X' % etype
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        if kwargs:
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            rql += ': %s' % ', '.join('X %s %%(%s)s' % (key, key) for key in kwargs)
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        rset = cu.execute(rql, kwargs)
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        return rset.get_entity(0, 0)
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    def execute(self, *args):
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        return self.session.cursor().execute(*args)
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    def commit(self):
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        self.session.commit()
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    def rollback(self):
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        self.session.rollback()
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   185
0
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    def create_user(self, login, groups=('users',), req=None):
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        assert not self.config['use-google-auth']
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        user = self.add_entity('CWUser', upassword=str(login), login=unicode(login))
0
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        cu = self.session.cursor()
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        cu.execute('SET X in_group G WHERE X eid %%(x)s, G name IN(%s)'
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                    % ','.join(repr(g) for g in groups),
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                    {'x': user.eid}, 'x')
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        return user
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    def login(self, login, password=None):
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        assert not self.config['use-google-auth']
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        req = FakeRequest(vreg=self.vreg)
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        req.form['__login'] = login
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        req.form['__password'] = password or login
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        return self.session_manager.open_session(req)