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-rw-r--r--mail/src/leap/mail/mail.py31
1 files changed, 20 insertions, 11 deletions
diff --git a/mail/src/leap/mail/mail.py b/mail/src/leap/mail/mail.py
index c0e16a63..b9c97f64 100644
--- a/mail/src/leap/mail/mail.py
+++ b/mail/src/leap/mail/mail.py
@@ -29,6 +29,8 @@ import StringIO
import time
import weakref
+from collections import defaultdict
+
from twisted.internet import defer
from twisted.python import log
@@ -924,19 +926,25 @@ class Account(object):
adaptor_class = SoledadMailAdaptor
+ # this is a defaultdict, indexed by userid, that returns a
+ # WeakValueDictionary mapping to collection instances so that we always
+ # return a reference to them instead of creating new ones. however,
+ # being a dictionary of weakrefs values, they automagically vanish
+ # from the dict when no hard refs is left to them (so they can be
+ # garbage collected) this is important because the different wrappers
+ # rely on several kinds of deferredlocks that are kept as class or
+ # instance variables.
+
+ # We need it to be a class property because we create more than one Account
+ # object in the current usage pattern (ie, one in the mail service, and
+ # another one in the IncomingMailService). When we move to a proper service
+ # tree we can let it be an instance attribute.
+ _collection_mapping = defaultdict(weakref.WeakValueDictionary)
+
def __init__(self, store, ready_cb=None):
self.store = store
self.adaptor = self.adaptor_class()
- # this is a mapping to collection instances so that we always
- # return a reference to them instead of creating new ones. however,
- # being a dictionary of weakrefs values, they automagically vanish
- # from the dict when no hard refs is left to them (so they can be
- # garbage collected) this is important because the different wrappers
- # rely on several kinds of deferredlocks that are kept as class or
- # instance variables
- self._collection_mapping = weakref.WeakValueDictionary()
-
self.mbox_indexer = MailboxIndexer(self.store)
# This flag is only used from the imap service for the moment.
@@ -1069,7 +1077,8 @@ class Account(object):
:rtype: deferred
:return: a deferred that will fire with a MessageCollection
"""
- collection = self._collection_mapping.get(name, None)
+ collection = self._collection_mapping[self.store.userid].get(
+ name, None)
if collection:
return defer.succeed(collection)
@@ -1077,7 +1086,7 @@ class Account(object):
def get_collection_for_mailbox(mbox_wrapper):
collection = MessageCollection(
self.adaptor, self.store, self.mbox_indexer, mbox_wrapper)
- self._collection_mapping[name] = collection
+ self._collection_mapping[self.store.userid][name] = collection
return collection
d = self.adaptor.get_or_create_mbox(self.store, name)