added a few missing components

.gitmodules

+[submodule "helios"]
+	path = helios
+	url = git@github.com:benadida/helios-django-app.git
+[submodule "auth"]
+	path = auth
+	url = git@github.com:benadida/auth-django-app.git

appengine_django/auth/__init__.py

+# 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.
+
+"""
+Authentication module that mimics the behavior of Django's authentication
+implementation.
+
+Limitations:
+ - all user permissions methods are not available (requires contenttypes)
+"""
+
+from django.template import add_to_builtins
+
+add_to_builtins('appengine_django.auth.templatetags')

appengine_django/auth/decorators.py

+# 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.
+
+"""Decorators for the authentication framework."""
+
+from django.http import HttpResponseRedirect
+
+from google.appengine.api import users
+
+
+def login_required(function):
+  """Implementation of Django's login_required decorator.
+  
+  The login redirect URL is always set to request.path
+  """
+  def login_required_wrapper(request, *args, **kw):
+    if request.user.is_authenticated():
+      return function(request, *args, **kw)
+    return HttpResponseRedirect(users.create_login_url(request.path))
+  return login_required_wrapper

appengine_django/auth/middleware.py

+# 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.
+
+from django.contrib.auth.models import AnonymousUser
+
+from google.appengine.api import users
+
+from appengine_django.auth.models import User
+
+
+class LazyUser(object):
+  def __get__(self, request, obj_type=None):
+    if not hasattr(request, '_cached_user'):
+      user = users.get_current_user()
+      if user:
+        request._cached_user = User.get_djangouser_for_user(user)
+      else:
+        request._cached_user = AnonymousUser()
+    return request._cached_user
+
+
+class AuthenticationMiddleware(object):
+  def process_request(self, request):
+    request.__class__.user = LazyUser()
+    return None

appengine_django/auth/models.py

+# 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.
+
+"""
+App Engine compatible models for the Django authentication framework.
+"""
+
+from django.core import mail
+from django.core.exceptions import ImproperlyConfigured
+from django.db import models
+from django.utils.encoding import smart_str
+import urllib
+
+from django.db.models.manager import EmptyManager
+
+from google.appengine.api import users
+from google.appengine.ext import db
+
+from appengine_django.models import BaseModel
+
+
+class User(BaseModel):
+  """A model with the same attributes and methods as a Django user model.
+
+  The model has two additions. The first addition is a 'user' attribute which
+  references a App Engine user. The second is the 'get_djangouser_for_user'
+  classmethod that should be used to retrieve a DjangoUser instance from a App
+  Engine user object.
+  """
+  user = db.UserProperty(required=True)
+  username = db.StringProperty(required=True)
+  first_name = db.StringProperty()
+  last_name = db.StringProperty()
+  email = db.EmailProperty()
+  password = db.StringProperty()
+  is_staff = db.BooleanProperty(default=False, required=True)
+  is_active = db.BooleanProperty(default=True, required=True)
+  is_superuser = db.BooleanProperty(default=False, required=True)
+  last_login = db.DateTimeProperty(auto_now_add=True, required=True)
+  date_joined = db.DateTimeProperty(auto_now_add=True, required=True)
+  groups = EmptyManager()
+  user_permissions = EmptyManager()
+
+  def __unicode__(self):
+    return self.username
+
+  def __str__(self):
+    return unicode(self).encode('utf-8')
+
+  @classmethod
+  def get_djangouser_for_user(cls, user):
+    query = cls.all().filter("user =", user)
+    if query.count() == 0:
+      django_user = cls(user=user, email=user.email(), username=user.nickname())
+      django_user.save()
+    else:
+      django_user = query.get()
+    return django_user
+
+  def set_password(self, raw_password):
+    raise NotImplementedError
+
+  def check_password(self, raw_password):
+    raise NotImplementedError
+
+  def set_unusable_password(self):
+    raise NotImplementedError
+
+  def has_usable_password(self):
+    raise NotImplementedError
+
+  def get_group_permissions(self):
+    return self.user_permissions
+
+  def get_all_permissions(self):
+    return self.user_permissions
+
+  def has_perm(self, perm):
+    return False
+
+  def has_perms(self, perm_list):
+    return False
+
+  def has_module_perms(self, module):
+    return False
+
+  def get_and_delete_messages(self):
+    """Gets and deletes messages for this user"""
+    msgs = []
+    for msg in self.message_set:
+      msgs.append(msg)
+      msg.delete()
+    return msgs
+
+  def is_anonymous(self):
+    """Always return False"""
+    return False
+
+  def is_authenticated(self):
+    """Always return True"""
+    return True
+
+  def get_absolute_url(self):
+    return "/users/%s/" % urllib.quote(smart_str(self.username))
+
+  def get_full_name(self):
+    full_name = u'%s %s' % (self.first_name, self.last_name)
+    return full_name.strip()
+
+  def email_user(self, subject, message, from_email):
+    """Sends an email to this user.
+
+    According to the App Engine email API the from_email must be the
+    email address of a registered administrator for the application.
+    """
+    mail.send_mail(subject,
+                   message,
+                   from_email,
+                   [self.email])
+
+  def get_profile(self):
+    """
+    Returns site-specific profile for this user. Raises
+    SiteProfileNotAvailable if this site does not allow profiles.
+
+    When using the App Engine authentication framework, users are created
+    automatically.
+    """
+    from django.contrib.auth.models import SiteProfileNotAvailable
+    if not hasattr(self, '_profile_cache'):
+      from django.conf import settings
+      if not hasattr(settings, "AUTH_PROFILE_MODULE"):
+        raise SiteProfileNotAvailable
+      try:
+        app_label, model_name = settings.AUTH_PROFILE_MODULE.split('.')
+        model = models.get_model(app_label, model_name)
+        self._profile_cache = model.all().filter("user =", self).get()
+        if not self._profile_cache:
+          raise model.DoesNotExist
+      except (ImportError, ImproperlyConfigured):
+        raise SiteProfileNotAvailable
+    return self._profile_cache
+
+
+class Group(BaseModel):
+  """Group model not fully implemented yet."""
+  # TODO: Implement this model, requires contenttypes
+  name = db.StringProperty()
+  permissions = EmptyManager()
+
+
+class Message(BaseModel):
+  """User message model"""
+  user = db.ReferenceProperty(User)
+  message = db.TextProperty()
+
+
+class Permission(BaseModel):
+  """Permission model not fully implemented yet."""
+  # TODO: Implement this model, requires contenttypes
+  name = db.StringProperty()

appengine_django/auth/templatetags.py

+# 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.
+
+"""
+Template tags for the auth module. These are inserted into Django as "built-in"
+tags so you do not need to use the load statement in your template to get
+access to them.
+"""
+
+from django.template import Library
+from django.template import Node
+
+from google.appengine.api import users
+
+
+class AuthLoginUrlsNode(Node):
+  """Template node that creates an App Engine login or logout URL.
+
+  If create_login_url is True the App Engine's login URL is rendered into
+  the template, otherwise the logout URL.
+  """
+  def __init__(self, create_login_url, redirect):
+    self.redirect = redirect
+    self.create_login_url = create_login_url
+
+  def render(self, context):
+    if self.create_login_url:
+      return users.create_login_url(self.redirect)
+    else:
+      return users.create_logout_url(self.redirect)
+
+
+def auth_login_urls(parser, token):
+  """Template tag registered as 'auth_login_url' and 'auth_logout_url'
+  when the module is imported.
+
+  Both tags take an optional argument that specifies the redirect URL and
+  defaults to '/'.
+  """
+  bits = list(token.split_contents())
+  if len(bits) == 2:
+    redirect = bits[1]
+  else:
+    redirect = "/"
+  login = bits[0] == "auth_login_url"
+  return AuthLoginUrlsNode(login, redirect)
+
+
+register = Library()
+register.tag("auth_login_url", auth_login_urls)
+register.tag("auth_logout_url", auth_login_urls)

appengine_django/auth/tests.py

+# 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.
+
+BASIC_TESTS = """
+>>> from google.appengine.api import users
+>>> from models import User, AnonymousUser
+>>> appengine_user = users.User("test@example.com")
+>>> django_user = User.get_djangouser_for_user(appengine_user)
+>>> django_user.email == appengine_user.email()
+True
+>>> django_user.username == appengine_user.nickname()
+True
+>>> django_user.user == appengine_user
+True
+
+>>> django_user.username = 'test2'
+>>> key = django_user.save()
+>>> django_user.username == 'test2'
+True
+
+>>> django_user2 = User.get_djangouser_for_user(appengine_user)
+>>> django_user2 == django_user
+True
+
+>>> django_user.is_authenticated()
+True
+>>> django_user.is_staff
+False
+>>> django_user.is_active
+True
+
+>>> a = AnonymousUser()
+>>> a.is_authenticated()
+False
+>>> a.is_staff
+False
+>>> a.is_active
+False
+>>> a.groups.all()
+[]
+>>> a.user_permissions.all()
+[]
+
+
+"""
+
+__test__ = {'BASIC_TESTS': BASIC_TESTS}

appengine_django/conf/app_template/models.py

+from appengine_django.models import BaseModel
+from google.appengine.ext import db
+
+# Create your models here.

appengine_django/conf/app_template/views.py

+# Create your views here.

appengine_django/db/__init__.py

+# 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.
+
+# Explicitly set the name of this package to "appengine".
+#
+# The rationale for this is so that Django can refer to the database as
+# "appengine" even though at a filesystem level it appears as the "db" package
+# within the appengine_django package.
+__name__ = "appengine"

appengine_django/db/base.py

+#!/usr/bin/python2.4
+#
+# 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.
+
+"""This module looks after initialising the appengine api stubs."""
+
+import logging
+import os
+
+from appengine_django import appid
+from appengine_django import have_appserver
+from appengine_django.db.creation import DatabaseCreation
+
+
+from django.db.backends import BaseDatabaseWrapper
+from django.db.backends import BaseDatabaseFeatures
+from django.db.backends import BaseDatabaseOperations
+
+
+def get_datastore_paths():
+  """Returns a tuple with the path to the datastore and history file.
+
+  The datastore is stored in the same location as dev_appserver uses by
+  default, but the name is altered to be unique to this project so multiple
+  Django projects can be developed on the same machine in parallel.
+
+  Returns:
+    (datastore_path, history_path)
+  """
+  from google.appengine.tools import dev_appserver_main
+  datastore_path = dev_appserver_main.DEFAULT_ARGS['datastore_path']
+  history_path = dev_appserver_main.DEFAULT_ARGS['history_path']
+  datastore_path = datastore_path.replace("dev_appserver", "django_%s" % appid)
+  history_path = history_path.replace("dev_appserver", "django_%s" % appid)
+  return datastore_path, history_path
+
+
+def get_test_datastore_paths(inmemory=True):
+  """Returns a tuple with the path to the test datastore and history file.
+
+  If inmemory is true, (None, None) is returned to request an in-memory
+  datastore. If inmemory is false the path returned will be similar to the path
+  returned by get_datastore_paths but with a different name.
+
+  Returns:
+    (datastore_path, history_path)
+  """
+  if inmemory:
+    return None, None
+  datastore_path, history_path = get_datastore_paths()
+  datastore_path = datastore_path.replace("datastore", "testdatastore")
+  history_path = history_path.replace("datastore", "testdatastore")
+  return datastore_path, history_path
+
+
+def destroy_datastore(datastore_path, history_path):
+  """Destroys the appengine datastore at the specified paths."""
+  for path in [datastore_path, history_path]:
+    if not path: continue
+    try:
+      os.remove(path)
+    except OSError, e:
+      if e.errno != 2:
+        logging.error("Failed to clear datastore: %s" % e)
+
+
+class DatabaseError(Exception):
+  """Stub class for database errors. Required by Django"""
+  pass
+
+
+class IntegrityError(Exception):
+  """Stub class for database integrity errors. Required by Django"""
+  pass
+
+
+class DatabaseFeatures(BaseDatabaseFeatures):
+  """Stub class to provide the feaures member expected by Django"""
+  pass
+
+
+class DatabaseOperations(BaseDatabaseOperations):
+  """Stub class to provide the options member expected by Django"""
+  pass
+
+
+class DatabaseWrapper(BaseDatabaseWrapper):
+  """App Engine database definition for Django.
+
+  This "database" backend does not support any of the standard backend
+  operations. The only task that it performs is to setup the api stubs required
+  by the appengine libraries if they have not already been initialised by an
+  appserver.
+  """
+
+  def __init__(self, *args, **kwargs):
+    super(DatabaseWrapper, self).__init__(*args, **kwargs)
+    self.features = DatabaseFeatures()
+    self.ops = DatabaseOperations()
+    self.creation = DatabaseCreation(self)
+    self.use_test_datastore = kwargs.get("use_test_datastore", False)
+    self.test_datastore_inmemory = kwargs.get("test_datastore_inmemory", True)
+    if have_appserver:
+      return
+    self._setup_stubs()
+
+  def _get_paths(self):
+    if self.use_test_datastore:
+      return get_test_datastore_paths(self.test_datastore_inmemory)
+    else:
+      return get_datastore_paths()
+
+  def _setup_stubs(self):
+    # If this code is being run without an appserver (eg. via a django
+    # commandline flag) then setup a default stub environment.
+    from google.appengine.tools import dev_appserver_main
+    args = dev_appserver_main.DEFAULT_ARGS.copy()
+    args['datastore_path'], args['history_path'] = self._get_paths()
+    from google.appengine.tools import dev_appserver
+    dev_appserver.SetupStubs(appid, **args)
+    if self.use_test_datastore:
+      logging.debug("Configured API stubs for the test datastore")
+    else:
+      logging.debug("Configured API stubs for the development datastore")
+
+  def flush(self):
+    """Helper function to remove the current datastore and re-open the stubs"""
+    destroy_datastore(*self._get_paths())
+    self._setup_stubs()
+
+  def close(self):
+    pass
+
+  def _commit(self):
+    pass
+
+  def cursor(self, *args):
+    pass

appengine_django/db/creation.py

+#!/usr/bin/python2.4
+#
+# 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.
+
+
+import logging
+
+from django.conf import settings
+from django.db.backends.creation import BaseDatabaseCreation
+
+
+class DatabaseCreation(BaseDatabaseCreation):
+
+  def create_test_db(self, *args, **kw):
+    """Destroys the test datastore. A new store will be recreated on demand"""
+    settings.DATABASE_SUPPORTS_TRANSACTIONS = False
+    self.destroy_test_db()
+    self.connection.use_test_datastore = True
+    self.connection.flush()
+
+
+  def destroy_test_db(self, *args, **kw):
+    """Destroys the test datastore files."""
+    from appengine_django.db.base import destroy_datastore
+    from appengine_django.db.base import get_test_datastore_paths
+    destroy_datastore(*get_test_datastore_paths())
+    logging.debug("Destroyed test datastore")

appengine_django/mail.py

+#!/usr/bin/python2.4
+#
+# 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.
+
+"""
+This module replaces the Django mail implementation with a version that sends
+email via the mail API provided by Google App Engine.
+
+Multipart / HTML email is not yet supported.
+"""
+
+import logging
+
+from django.core import mail
+from django.core.mail import SMTPConnection
+from django.conf import settings
+
+from google.appengine.api import mail as gmail
+
+
+class GoogleSMTPConnection(SMTPConnection):
+  def __init__(self, host=None, port=None, username=None, password=None,
+               use_tls=None, fail_silently=False):
+    self.use_tls = (use_tls is not None) and use_tls or settings.EMAIL_USE_TLS
+    self.fail_silently = fail_silently
+    self.connection = None
+
+  def open(self):
+    self.connection = True
+
+  def close(self):
+    pass
+
+  def _send(self, email_message):
+    """A helper method that does the actual sending."""
+    if not email_message.to:
+      return False
+    try:
+      if (isinstance(email_message,gmail.EmailMessage)):
+        e = message
+      elif (isinstance(email_message,mail.EmailMessage)):
+        e = gmail.EmailMessage(sender=email_message.from_email,
+                               to=email_message.to,
+                               subject=email_message.subject,
+                               body=email_message.body)
+        if email_message.extra_headers.get('Reply-To', None):
+            e.reply_to = email_message.extra_headers['Reply-To']
+        if email_message.bcc:
+            e.bcc = list(email_message.bcc)
+        #TODO - add support for html messages and attachments...
+      e.send()
+    except:
+      if not self.fail_silently:
+          raise
+      return False
+    return True
+
+
+def mail_admins(subject, message, fail_silently=False):
+    """Sends a message to the admins, as defined by the ADMINS setting."""
+    _mail_group(settings.ADMINS, subject, message, fail_silently)
+
+
+def mail_managers(subject, message, fail_silently=False):
+    """Sends a message to the managers, as defined by the MANAGERS setting."""
+    _mail_group(settings.MANAGERS, subject, message, fail_silently)
+
+
+def _mail_group(group, subject, message, fail_silently=False):
+    """Sends a message to an administrative group."""
+    if group:
+      mail.send_mail(settings.EMAIL_SUBJECT_PREFIX + subject, message,
+                     settings.SERVER_EMAIL, [a[1] for a in group],
+                     fail_silently)
+      return
+    # If the group had no recipients defined, default to the App Engine admins.
+    try:
+      gmail.send_mail_to_admins(settings.SERVER_EMAIL,
+                                settings.EMAIL_SUBJECT_PREFIX + subject,
+                                message)
+    except:
+      if not fail_silently:
+        raise

appengine_django/management/commands/console.py

+#!/usr/bin/python2.4
+#
+# 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.
+import code
+import getpass
+import os
+import sys
+
+from django.conf import settings
+from django.core.management.base import BaseCommand
+
+from google.appengine.ext.remote_api import remote_api_stub
+
+
+def auth_func():
+  return raw_input('Username:'), getpass.getpass('Password:')
+
+class Command(BaseCommand):
+  """ Start up an interactive console backed by your app using remote_api """
+  
+  help = 'Start up an interactive console backed by your app using remote_api.'
+
+  def run_from_argv(self, argv):
+    app_id = argv[2]
+    if len(argv) > 3:
+      host = argv[3]
+    else:
+      host = '%s.appspot.com' % app_id
+
+    remote_api_stub.ConfigureRemoteDatastore(app_id, 
+                                             '/remote_api',
+                                             auth_func,
+                                             host)
+      
+    code.interact('App Engine interactive console for %s' % (app_id,), 
+                  None,
+                  locals())

appengine_django/management/commands/flush.py

+#!/usr/bin/python2.4
+#
+# 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.
+
+import logging
+import os
+import sys
+
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    """Overrides the default Django flush command.
+    """
+    help = 'Clears the current datastore and loads the initial fixture data.'
+
+    def run_from_argv(self, argv):
+      from django.db import connection
+      connection.flush()
+      from django.core.management import call_command
+      call_command('loaddata', 'initial_data')
+
+    def handle(self, *args, **kwargs):
+      self.run_from_argv(None)

appengine_django/management/commands/reset.py

+#!/usr/bin/python2.4
+#
+# 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.
+
+
+import logging
+import os
+import sys
+
+from django.core.management.base import BaseCommand
+
+
+class Command(BaseCommand):
+    """Overrides the default Django reset command.
+    """
+    help = 'Clears the current datastore.'
+
+    def run_from_argv(self, argv):
+      from django.db import connection
+      connection.flush()