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Changed how the connection identity key is made

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Uses the current thread identity as well as the process idenity to form
the key.

Fixes #151
This commit is contained in:
Ross Lawley 2011-05-18 11:41:23 +01:00
parent 1a049ee49d
commit 1781c4638b
1 changed files with 13 additions and 2 deletions
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11
mongoengine/connection.py
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@ -1,5 +1,6 @@
from pymongo import Connection
import multiprocessing
import threading
__all__ = ['ConnectionError', 'connect']
@ -22,6 +23,8 @@ class ConnectionError(Exception):
def _get_connection(reconnect=False):
"""Handles the connection to the database
"""
global _connection
identity = get_identity()
# Connect to the database if not already connected
@ -33,6 +36,9 @@ def _get_connection(reconnect=False):
return _connection[identity]
def _get_db(reconnect=False):
"""Handles database connections and authentication based on the current
identity
"""
global _db, _connection
identity = get_identity()
# Connect if not already connected
@ -52,8 +58,13 @@ def _get_db(reconnect=False):
return _db[identity]
def get_identity():
"""Creates an identity key based on the current process and thread
identity.
"""
identity = multiprocessing.current_process()._identity
identity = 0 if not identity else identity[0]
identity = (identity, threading.current_thread().ident)
return identity
def connect(db, username=None, password=None, **kwargs):