app/ranklist/common.py
author Sverre Rabbelier <srabbelier@gmail.com>
Sat, 28 Mar 2009 20:19:50 +0000
changeset 2026 388b65cabfbb
parent 1597 e7b7ea113a3b
permissions -rwxr-xr-x
Set fields to 100% width again This patch properly fixes the problem without punishing other browsers for IE's brokenness. If we have any other IE specific fixes, we should include them in this way too. Patch by: Timothy Robert Ansell <tansell@google.com>

#!/usr/bin/python
#
# Copyright 2008 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Convenience functions.
"""

from google.appengine.api import datastore


def transactional(operation):
  """Decorator that wraps a method in a datastore transaction.

  The method will be called through datastore.RunInTransaction, making the
  operation atomic.
  """
  def transactional_operation(*args, **kwargs):
    return datastore.RunInTransaction(operation, *args, **kwargs)
  return transactional_operation