I am trying to run django 1.9 on the google engine. When trying to access the API through the Google APIs, the error below appeared.
Traceback (most recent call last):
File "/home/gemini/softwares/google_appengine/google/appengine/runtime/wsgi.py", line 240, in Handle
handler = _config_handle.add_wsgi_middleware(self._LoadHandler())
File "/home/gemini/softwares/google_appengine/google/appengine/runtime/wsgi.py", line 299, in _LoadHandler
handler, path, err = LoadObject(self._handler)
File "/home/gemini/softwares/google_appengine/google/appengine/runtime/wsgi.py", line 96, in LoadObject
__import__(cumulative_path)
File "/home/gemini/projects/cityguide-backend/src/cityguide/api/services.py", line 9, in <module>
from cityguide.api.internal.categories import Categories
File "/home/gemini/projects/cityguide-backend/src/cityguide/api/internal/categories.py", line 10, in <module>
from cityguide.models import Category
File "/home/gemini/projects/cityguide-backend/src/cityguide/models.py", line 8, in <module>
class ContactDetails(models.Model):
File "/home/gemini/projects/cityguide-backend/src/lib/django/db/models/base.py", line 94, in __new__
app_config = apps.get_containing_app_config(module)
File "/home/gemini/projects/cityguide-backend/src/lib/django/apps/registry.py", line 239, in get_containing_app_config
self.check_apps_ready()
File "/home/gemini/projects/cityguide-backend/src/lib/django/apps/registry.py", line 124, in check_apps_ready
raise AppRegistryNotReady("Apps aren't loaded yet.")
AppRegistryNotReady: Apps aren't loaded yet.
I have already added
builtins:
- deferred: on
- remote_api: on
- django_wsgi: on
handlers:
- url: .*
script: mysite.wsgi.application
env_variables:
DJANGO_SETTINGS_MODULE: 'mysite.settings'
inside the app.yamlfile.
wsgi.py looks like
import os
from django.core.wsgi import get_wsgi_application
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mysite.settings")
application = get_wsgi_application()
I tried adding a line django.setup()at the top models.py, but it shows a different error.
ERROR 2016-02-01 10:03:02,918 wsgi.py:263]
Traceback (most recent call last):
File "/home/gemini/softwares/google_appengine/google/appengine/runtime/wsgi.py", line 240, in Handle
handler = _config_handle.add_wsgi_middleware(self._LoadHandler())
File "/home/gemini/softwares/google_appengine/google/appengine/runtime/wsgi.py", line 299, in _LoadHandler
handler, path, err = LoadObject(self._handler)
File "/home/gemini/softwares/google_appengine/google/appengine/runtime/wsgi.py", line 96, in LoadObject
__import__(cumulative_path)
File "/home/gemini/projects/cityguide-backend/src/cityguide/api/services.py", line 9, in <module>
from cityguide.api.internal.categories import Categories
File "/home/gemini/projects/cityguide-backend/src/cityguide/api/internal/categories.py", line 10, in <module>
from cityguide.models import Category
File "/home/gemini/projects/cityguide-backend/src/cityguide/models.py", line 6, in <module>
django.setup()
File "/home/gemini/projects/cityguide-backend/src/lib/django/__init__.py", line 18, in setup
apps.populate(settings.INSTALLED_APPS)
File "/home/gemini/projects/cityguide-backend/src/lib/django/apps/registry.py", line 115, in populate
app_config.ready()
File "/home/gemini/projects/cityguide-backend/src/lib/django/contrib/admin/apps.py", line 22, in ready
self.module.autodiscover()
File "/home/gemini/projects/cityguide-backend/src/lib/django/contrib/admin/__init__.py", line 26, in autodiscover
autodiscover_modules('admin', register_to=site)
File "/home/gemini/projects/cityguide-backend/src/lib/django/utils/module_loading.py", line 50, in autodiscover_modules
import_module('%s.%s' % (app_config.name, module_to_search))
File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/home/gemini/projects/cityguide-backend/src/cityguide/admin.py", line 2, in <module>
from cityguide.models import Category
ImportError: cannot import name Category
ERROR 2016-02-01 10:03:02,919 wsgi.py:263]
Traceback (most recent call last):
File "/home/gemini/softwares/google_appengine/google/appengine/runtime/wsgi.py", line 240, in Handle
handler = _config_handle.add_wsgi_middleware(self._LoadHandler())
File "/home/gemini/softwares/google_appengine/google/appengine/runtime/wsgi.py", line 299, in _LoadHandler
handler, path, err = LoadObject(self._handler)
File "/home/gemini/softwares/google_appengine/google/appengine/runtime/wsgi.py", line 96, in LoadObject
__import__(cumulative_path)
File "/home/gemini/projects/cityguide-backend/src/cityguide/api/services.py", line 9, in <module>
from cityguide.api.internal.categories import Categories
File "/home/gemini/projects/cityguide-backend/src/cityguide/api/internal/categories.py", line 10, in <module>
INFO 2016-02-01 10:03:03,000 module.py:794] default: "POST /_ah/spi/BackendService.getApiConfigs HTTP/1.1" 500 -
from cityguide.models import Category
INFO 2016-02-01 10:03:03,001 module.py:794] default: "POST /_ah/spi/BackendService.getApiConfigs HTTP/1.1" 500 -
File "/home/gemini/projects/cityguide-backend/src/cityguide/models.py", line 6, in <module>
INFO 2016-02-01 10:03:03,001 module.py:794] default: "GET /_ah/api/discovery/v1/apis HTTP/1.1" 500 60
django.setup()
INFO 2016-02-01 10:03:03,001 module.py:794] default: "GET /_ah/api/discovery/v1/apis HTTP/1.1" 500 60
File "/home/gemini/projects/cityguide-backend/src/lib/django/__init__.py", line 18, in setup
apps.populate(settings.INSTALLED_APPS)
File "/home/gemini/projects/cityguide-backend/src/lib/django/apps/registry.py", line 78, in populate
raise RuntimeError("populate() isn't reentrant")
RuntimeError: populate() isn't reentrant
Workaround for this problem:
Looks like I need to open the homepage first. So that it loads db since I made the main page to return the entire contents of the db table. After the db lists are shown on the main page, we can call the Google API Explorer.
Is there any way to refine this solution?