1 files changed, 0 insertions, 83 deletions
diff --git a/Lib/bsddb/dbutils.py b/Lib/bsddb/dbutils.py
deleted file mode 100644
index f401153..0000000
--- a/Lib/bsddb/dbutils.py
+++ /dev/null
@@ -1,83 +0,0 @@
-#------------------------------------------------------------------------
-#
-# Copyright (C) 2000 Autonomous Zone Industries
-#
-# License:      This is free software.  You may use this software for any
-#               purpose including modification/redistribution, so long as
-#               this header remains intact and that you do not claim any
-#               rights of ownership or authorship of this software.  This
-#               software has been tested, but no warranty is expressed or
-#               implied.
-#
-# Author: Gregory P. Smith <greg@krypto.org>
-#
-# Note: I don't know how useful this is in reality since when a
-#       DBLockDeadlockError happens the current transaction is supposed to be
-#       aborted.  If it doesn't then when the operation is attempted again
-#       the deadlock is still happening...
-#       --Robin
-#
-#------------------------------------------------------------------------
-
-
-#
-# import the time.sleep function in a namespace safe way to allow
-# "from bsddb.dbutils import *"
-#
-from time import sleep as _sleep
-
-import sys
-absolute_import = (sys.version_info[0] >= 3)
-if absolute_import :
-    # Because this syntaxis is not valid before Python 2.5
-    exec("from . import db")
-else :
-    from . import db
-
-# always sleep at least N seconds between retrys
-_deadlock_MinSleepTime = 1.0/128
-# never sleep more than N seconds between retrys
-_deadlock_MaxSleepTime = 3.14159
-
-# Assign a file object to this for a "sleeping" message to be written to it
-# each retry
-_deadlock_VerboseFile = None
-
-
-def DeadlockWrap(function, *_args, **_kwargs):
-    """DeadlockWrap(function, *_args, **_kwargs) - automatically retries
-    function in case of a database deadlock.
-
-    This is a function intended to be used to wrap database calls such
-    that they perform retrys with exponentially backing off sleeps in
-    between when a DBLockDeadlockError exception is raised.
-
-    A 'max_retries' parameter may optionally be passed to prevent it
-    from retrying forever (in which case the exception will be reraised).
-
-        d = DB(...)
-        d.open(...)
-        DeadlockWrap(d.put, "foo", data="bar")  # set key "foo" to "bar"
-    """
-    sleeptime = _deadlock_MinSleepTime
-    max_retries = _kwargs.get('max_retries', -1)
-    if 'max_retries' in _kwargs:
-        del _kwargs['max_retries']
-    while True:
-        try:
-            return function(*_args, **_kwargs)
-        except db.DBLockDeadlockError:
-            if _deadlock_VerboseFile:
-                _deadlock_VerboseFile.write(
-                    'dbutils.DeadlockWrap: sleeping %1.3f\n' % sleeptime)
-            _sleep(sleeptime)
-            # exponential backoff in the sleep time
-            sleeptime *= 2
-            if sleeptime > _deadlock_MaxSleepTime:
-                sleeptime = _deadlock_MaxSleepTime
-            max_retries -= 1
-            if max_retries == -1:
-                raise
-
-
-#------------------------------------------------------------------------