annotate backend/sqlalchemy/SqlAlchemyBackend.py @ 119:04a730f9d07d backend

move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
author Dirk Olmes <dirk@xanthippe.ping.de>
date Sun, 21 Aug 2011 03:55:16 +0200
parents
children 510a5d00e98a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
119
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
1
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
2 from Preferences import Preferences
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
3 import Database
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
4 import logging
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
5 import util
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
6 import FeedList
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
7
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
8 class SqlAlchemyBackend(object):
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
9 '''
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
10 Backend that uses sqlalchemy for persistence
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
11 '''
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
12
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
13 def __init__(self):
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
14 self._initLogging()
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
15 self.session = Database.createSession()
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
16 self.prefs = Preferences(self.session)
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
17
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
18 def _initLogging(self):
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
19 logging.getLogger("sqlalchemy.orm").setLevel(logging.WARN)
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
20
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
21 sqlalchemyLogLevel = logging.ERROR
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
22 if util.databaseLoggingEnabled():
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
23 sqlalchemyLogLevel = logging.INFO
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
24 logging.getLogger("sqlalchemy").setLevel(sqlalchemyLogLevel)
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
25
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
26 def preferences(self):
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
27 return self.prefs
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
28
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
29 def getFeeds(self):
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
30 return FeedList.getFeeds(self.session)
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
31
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
32 def dispose(self):
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
33 # save all uncommitted state, just in case
04a730f9d07d move all sqlalchemy related classes to the respective sub-package. use a backend to abstract from access to the data
Dirk Olmes <dirk@xanthippe.ping.de>
parents:
diff changeset
34 self.session.commit()