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# Copyright (C) 2006-2007 by the Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
# USA.
from __future__ import with_statement
__metaclass__ = type
__all__ = [
'StockDatabase',
'flush', # for test convenience
]
import os
from locknix.lockfile import Lock
from storm.properties import PropertyPublisherMeta
from zope.interface import implements
from Mailman.interfaces import IDatabase
from Mailman.database.listmanager import ListManager
from Mailman.database.usermanager import UserManager
from Mailman.database.messagestore import MessageStore
# Test suite convenience. Application code should use config.db.flush()
# instead.
flush = None
class StockDatabase:
implements(IDatabase)
def __init__(self):
# Expose the flush() method for test case convenience using the stock
# database.
global flush
flush = self.flush
self.list_manager = None
self.user_manager = None
self.message_store = None
self.pendings = None
self.requests = None
self._store = None
def initialize(self, debug=None):
# Avoid circular imports.
from Mailman.configuration import config
from Mailman.database import model
from Mailman.database.model import Pendings
from Mailman.database.model import Requests
# Serialize this so we don't get multiple processes trying to create
# the database at the same time.
with Lock(os.path.join(config.LOCK_DIR, 'dbcreate.lck')):
self.store = model.initialize(debug)
self.list_manager = ListManager()
self.user_manager = UserManager()
self.message_store = MessageStore()
self.pendings = Pendings()
self.requests = Requests()
def flush(self):
pass
def _reset(self):
for model_class in _class_registry:
for row in self.store.find(model_class):
self.store.remove(row)
_class_registry = set()
class ModelMeta(PropertyPublisherMeta):
"""Do more magic on table classes."""
def __init__(self, name, bases, dict):
# Before we let the base class do it's thing, force an __storm_table__
# property to enforce our table naming convention.
self.__storm_table__ = name.lower()
super(ModelMeta, self).__init__(name, bases, dict)
# Register the model class so that it can be more easily cleared.
# This is required by the test framework.
if name == 'Model':
return
_class_registry.add(self)
class Model(object):
"""Like Storm's `Storm` subclass, but with a bit extra."""
__metaclass__ = ModelMeta
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