- bsddb: multithreaded DB access using the simple bsddb module interface

now works reliably.  It has been updated to use automatic BerkeleyDB
  deadlock detection and the bsddb.dbutils.DeadlockWrap wrapper to retry
  database calls that would previously deadlock. [SF python bug #775414]

Lib/bsddb/dbutils.py

@@ -22,14 +22,14 @@
 
 #
 # import the time.sleep function in a namespace safe way to allow
-# "from bsddb.db import *"
+# "from bsddb.dbutils import *"
 #
 from time import sleep as _sleep
 
 import db
 
 # always sleep at least N seconds between retrys
-_deadlock_MinSleepTime = 1.0/64
+_deadlock_MinSleepTime = 1.0/128
 # never sleep more than N seconds between retrys
 _deadlock_MaxSleepTime = 3.14159
 
@@ -57,7 +57,7 @@ def DeadlockWrap(function, *_args, **_kwargs):
     max_retries = _kwargs.get('max_retries', -1)
     if _kwargs.has_key('max_retries'):
         del _kwargs['max_retries']
-    while 1:
+    while True:
         try:
             return function(*_args, **_kwargs)
         except db.DBLockDeadlockError: