make version of ts_mon compatible with appengine

appengine/chromium_build_logs/third_party/apiclient/ext/django_orm.py

-# Copyright (C) 2010 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.
-
-import apiclient
-import base64
-import pickle
-
-from django.db import models
-
-
-class OAuthCredentialsField(models.Field):
-
-  __metaclass__ = models.SubfieldBase
-
-  def db_type(self):
-    return 'VARCHAR'
-
-  def to_python(self, value):
-    if value is None:
-      return None
-    if isinstance(value, apiclient.oauth.Credentials):
-      return value
-    return pickle.loads(base64.b64decode(value))
-
-  def get_db_prep_value(self, value):
-    return base64.b64encode(pickle.dumps(value))
-
-
-class FlowThreeLeggedField(models.Field):
-
-  __metaclass__ = models.SubfieldBase
-
-  def db_type(self):
-    return 'VARCHAR'
-
-  def to_python(self, value):
-    print "In to_python", value
-    if value is None:
-      return None
-    if isinstance(value, apiclient.oauth.FlowThreeLegged):
-      return value
-    return pickle.loads(base64.b64decode(value))
-
-  def get_db_prep_value(self, value):
-    return base64.b64encode(pickle.dumps(value))