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Code Issues 32 Releases Wiki Activity

[multi-db] Fixed bug in request isolation of ConnectionInfoDescriptor.

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git-svn-id: http://code.djangoproject.com/svn/django/branches/multiple-db-support@3390 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Jason Pellerin 2006-07-19 22:21:37 +00:00
parent c705f3a573
commit b8cc6302a6
1 changed files with 4 additions and 5 deletions
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9
django/db/__init__.py
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@ -270,6 +270,7 @@ def model_connection_name(klass):
# No named connection for this model; use the default
return _default
class ConnectionInfoDescriptor(object):
"""Descriptor used to access database connection information from a
manager or other connection holder. Keeps a thread-local cache of
@ -283,6 +284,7 @@ class ConnectionInfoDescriptor(object):
def __init__(self):
self.cnx = local()
self.cnx.cache = {}
dispatcher.connect(self.reset, signal=signals.request_finished)
def __get__(self, instance, type=None):
if instance is None:
@ -291,9 +293,6 @@ class ConnectionInfoDescriptor(object):
instance_connection = self.cnx.cache.get(instance, None)
if instance_connection is None:
instance_connection = self.get_connection(instance)
def reset():
self.reset(instance)
dispatcher.connect(reset, signal=signals.request_finished)
self.cnx.cache[instance] = instance_connection
return instance_connection
@ -306,8 +305,8 @@ class ConnectionInfoDescriptor(object):
def get_connection(self, instance):
return connections[model_connection_name(instance.model)]
def reset(self, instance):
self.cnx.cache[instance] = None
def reset(self):
self.cnx.cache = {}