python/google/appengine/api/rdbms.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2007 Google Inc.
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16 #
  17
  18
  19
  20
  21 """Relational database API for production.
  22
  23 Note that rdbms_mysqldb is the module used in dev_appserver.
  24 """
  25
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  30
  31
  32
  33 import logging
  34
  35 from google.storage.speckle.python.api import rdbms_apiproxy
  36
  37
  38 from google.storage.speckle.python.api.rdbms_apiproxy import *
  39
  40
  41 _instance = None
  42
  43 def set_instance(instance):
  44   global _instance
  45   _instance = instance
  46
  47 def connect(instance=None, database=None, **kwargs):
  48   global _instance
  49   if not instance and _instance:
  50     instance = _instance
  51
  52   if 'db' in kwargs and not database:
  53     database = kwargs.pop('db')
  54
  55   user = None
  56   if 'user' in kwargs:
  57     user = kwargs.pop('user')
  58
  59   password = None
  60   if 'password' in kwargs:
  61     password = kwargs.pop('password')
  62
  63   if kwargs:
  64     logging.info('Ignoring extra kwargs to connect(): %r', kwargs)
  65
  66   return rdbms_apiproxy.connect('unused_address',
  67                                 instance,
  68                                 database=database,
  69                                 user=user,
  70                                 password=password)