title: Django 1.4 with Google App Engine Deploy
body: <p>I'm trying to deploy my django-app to Google App Engine but keep getting this error when i run manage.py syncdb.</p>
  
  <pre><code>Traceback (most recent call last):
  
  
  File "manage.py", line 10, in &lt;module&gt;
      execute_from_command_line(sys.argv)
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\core\mana
  gement\__init__.py", line 443, in execute_from_command_line
      utility.execute()
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\core\mana
  gement\__init__.py", line 382, in execute
      self.fetch_command(subcommand).run_from_argv(self.argv)
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\core\mana
  gement\__init__.py", line 261, in fetch_command
      klass = load_command_class(app_name, subcommand)
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\core\mana
  gement\__init__.py", line 69, in load_command_class
      module = import_module('%s.management.commands.%s' % (app_name, name))
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\utils\imp
  ortlib.py", line 35, in import_module
      __import__(name)
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\core\mana
  gement\commands\syncdb.py", line 8, in &lt;module&gt;
      from django.core.management.sql import custom_sql_for_model, emit_post_sync_
  signal
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\core\mana
  gement\sql.py", line 6, in &lt;module&gt;
      from django.db import models
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\db\__init
  __.py", line 40, in &lt;module&gt;
      backend = load_backend(connection.settings_dict['ENGINE'])
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\db\__init
  __.py", line 34, in __getattr__
      return getattr(connections[DEFAULT_DB_ALIAS], item)
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\db\utils.
  py", line 92, in __getitem__
      backend = load_backend(db['ENGINE'])
    File "C:\Program Files\Google\google_appengine\lib\django_1_4\django\db\utils.
  py", line 44, in load_backend
      raise ImproperlyConfigured(error_msg)
  django.core.exceptions.ImproperlyConfigured: 'google.appengine.ext.django.backen
  ds.rdbms' isn't an available database backend.
  Try using django.db.backends.XXX, where XXX is one of:
      'dummy', 'mysql', 'oracle', 'postgresql_psycopg2', 'rdbms', 'sqlite3'
  Error was: No module named django.backends.rdbms.base
  </code></pre>
  
  <p>I've made sure that these are included in my pythonpath:-</p>
  
  <p>C:\ProgramFiles\Google\google_appengine;C:\ProgramFiles\Google\google_appengine\lib\django_1_4</p>
  
  <p>yet I still get the No modules named django.backends.rdbms.base. </p>
  
  <p>here's my settings.py</p>
  
  <pre><code># Django settings for firstproject project.
  
  import os
  BASE_DIR = os.path.abspath(os.path.dirname(__file__)) + os.sep
  
  DEBUG = True
  TEMPLATE_DEBUG = DEBUG
  
  ADMINS = (
      # ('Your Name', 'your_email@example.com'),
  )
  
  MANAGERS = ADMINS
  
  #production =  True
  
  import os
  
  SETTINGS_MODE='prod'
  
  if (os.getenv('SERVER_SOFTWARE', '').startswith('Google App Engine') or
      os.getenv('SETTINGS_MODE') == 'prod'):
  
      DATABASES = {
      'default': {
          'ENGINE': 'google.appengine.ext.django.backends.rdbms',
          'INSTANCE': 'd73292536:instance1',
          'NAME': 'example',
      }
  }
  
  else:
  
          DATABASES = {
          'default': {
              'ENGINE': 'django.db.backends.mysql', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
              'NAME': 'third',                      # Or path to database file if using sqlite3.
              'USER': 'root',                      # Not used with sqlite3.
              'PASSWORD': '',                  # Not used with sqlite3.
              'HOST': '127.0.0.1',                      # Set to empty string for localhost. Not used with sqlite3.
              'PORT': '',                      # Set to empty string for default. Not used with sqlite3.
          }
      }
  
  # Local time zone for this installation. Choices can be found here:
  # http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
  # although not all choices may be available on all operating systems.
  # In a Windows environment this must be set to your system time zone.
  TIME_ZONE = 'America/Eastern'
  
  # Language code for this installation. All choices can be found here:
  # http://www.i18nguy.com/unicode/language-identifiers.html
  LANGUAGE_CODE = 'en-us'
  
  SITE_ID = 1
  
  # If you set this to False, Django will make some optimizations so as not
  # to load the internationalization machinery.
  USE_I18N = True
  
  # If you set this to False, Django will not format dates, numbers and
  # calendars according to the current locale.
  USE_L10N = True
  
  # If you set this to False, Django will not use timezone-aware datetimes.
  USE_TZ = True
  
  # Absolute filesystem path to the directory that will hold user-uploaded files.
  # Example: "/home/media/media.lawrence.com/media/"
  MEDIA_ROOT = ''
  
  # URL that handles the media served from MEDIA_ROOT. Make sure to use a
  # trailing slash.
  # Examples: "http://media.lawrence.com/media/", "http://example.com/media/"
  MEDIA_URL = '' 
  
  # Absolute path to the directory static files should be collected to.
  # Don't put anything in this directory yourself; store your static files
  # in apps' "static/" subdirectories and in STATICFILES_DIRS.
  # Example: "/home/media/media.lawrence.com/static/"
  STATIC_ROOT = ''
  
  # URL prefix for static files.
  # Example: "http://media.lawrence.com/static/"
  STATIC_URL = '/static/'
  
  # Additional locations of static files
  STATICFILES_DIRS = (
      # Put strings here, like "/home/html/static" or "C:/www/django/static".
      # Always use forward slashes, even on Windows.
      # Don't forget to use absolute paths, not relative path
      "C:\Users\sheila\Desktop\Templates\static",
  )
  
  # List of finder classes that know how to find static files in
  # various locations.
  STATICFILES_FINDERS = (
      'django.contrib.staticfiles.finders.FileSystemFinder',
      'django.contrib.staticfiles.finders.AppDirectoriesFinder',
  #    'django.contrib.staticfiles.finders.DefaultStorageFinder',
  )
  
  # Make this unique, and don't share it with anybody.
  SECRET_KEY = '+iiq+84-xm_pmxsbwz18#*n2hht$5f9o_m6d8spt2buhxxl0m='
  
  # List of callables that know how to import templates from various sources.
  TEMPLATE_LOADERS = (
      'django.template.loaders.filesystem.Loader',
      'django.template.loaders.app_directories.Loader',
  #     'django.template.loaders.eggs.Loader',
  )
  
  MIDDLEWARE_CLASSES = (
      'google.appengine.ext.ndb.django_middleware.NdbDjangoMiddleware',
      'django.middleware.common.CommonMiddleware',
      'django.contrib.sessions.middleware.SessionMiddleware',
      'django.middleware.csrf.CsrfViewMiddleware',
      'django.contrib.auth.middleware.AuthenticationMiddleware',
      'django.contrib.messages.middleware.MessageMiddleware',
      # Uncomment the next line for simple clickjacking protection:
      # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
  )
  
  ROOT_URLCONF = 'urls'
  
  # Python dotted path to the WSGI application used by Django's runserver.
  WSGI_APPLICATION = 'firstproject.wsgi.application'
  
  TEMPLATE_DIRS = (
      # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
      # Always use forward slashes, even on Windows.
      # Don't forget to use absolute paths, not relative paths.
  
      "C:\\Users\\sheila\\Desktop\\Templates\\polls"
  )
  
  INSTALLED_APPS = (
      'django.contrib.auth',
      'django.contrib.contenttypes',
      'django.contrib.sessions',
      'django.contrib.sites',
      'django.contrib.messages',
      'django.contrib.staticfiles',
      # Uncomment the next line to enable the admin:
      #'django.contrib.admin',
      # Uncomment the next line to enable admin documentation:
      # 'django.contrib.admindocs',
      'polls',
  )
  
  # A sample logging configuration. The only tangible logging
  # performed by this configuration is to send an email to
  # the site admins on every HTTP 500 error when DEBUG=False.
  # See http://docs.djangoproject.com/en/dev/topics/logging for
  # more details on how to customize your logging configuration.
  
  LOGGING = {
      'version': 1,
      'disable_existing_loggers': False,
      'filters': {
          'require_debug_false': {
              '()': 'django.utils.log.RequireDebugFalse'
          }
      },
      'handlers': {
          'mail_admins': {
              'level': 'ERROR',
              'filters': ['require_debug_false'],
              'class': 'django.utils.log.AdminEmailHandler'
          }
      },
      'loggers': {
          'django.request': {
              'handlers': ['mail_admins'],
              'level': 'ERROR',
              'propagate': True,
          },
      }
  }
  </code></pre>