How to solve "ImportError: No module named google.auth"?

Question

I'm locally running a standard app engine environment through dev_appserver and cannot get rid of the following error:

ImportError: No module named google.auth

Full traceback (replaced personal details with ...):

Traceback (most recent call last):
  File "/Users/.../google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 240, in Handle
    handler = _config_handle.add_wsgi_middleware(self._LoadHandler())
  File "/Users/.../google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 299, in _LoadHandler
    handler, path, err = LoadObject(self._handler)
  File "/Users/.../google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 85, in LoadObject
    obj = __import__(path[0])
  File "/Users/.../.../main.py", line 6, in <module>
    from services.get_campaigns import get_campaigns
  File "/Users/.../.../get_campaigns.py", line 3, in <module>
    from googleads import adwords
  File "/Users/.../.../lib/googleads/__init__.py", line 17, in <module>
    from ad_manager import AdManagerClient
  File "/Users/.../lib/googleads/ad_manager.py", line 28, in <module>
    import googleads.common
  File "/Users/.../lib/googleads/common.py", line 51, in <module>
    import googleads.oauth2
  File "/Users/.../lib/googleads/oauth2.py", line 28, in <module>
    import google.auth.transport.requests
  File "/Users/.../google-cloud-sdk/platform/google_appengine/google/appengine/tools/devappserver2/python/runtime/sandbox.py", line 1154, in load_module
    raise ImportError('No module named %s' % fullname)
ImportError: No module named google.auth

I do have google.auth installed, as pip show google.auth shows:

Name: google-auth
Version: 1.6.3
Summary: Google Authentication Library
Home-page: https://github.com/GoogleCloudPlatform/google-auth-library-python
Author: Google Cloud Platform
Author-email: [email protected]
License: Apache 2.0
Location: /Users/.../Library/Python/2.7/lib/python/site-packages
Requires: rsa, pyasn1-modules, cachetools, six
Required-by: googleads, google-auth-oauthlib, google-auth-httplib2, google-api-python-client

I have already upgraded all modules that require google.auth - googleads, google-auth-oauthlib, google-auth-httplib2, google-api-python-client - but without results.

I'm not quite sure what next actions to take in order to debug this issue. Anyone here can point me in the right direction?

Solution

Your google.auth is installed in the system's Python site packages, not in your app:

Location: /Users/.../Library/Python/2.7/lib/python/site-packages

You need to install your app's python dependencies inside your app instead - note the -t lib/ pip option in the Copying a third-party library procedure you should follow:

2. Use pip (version 6 or later) with the -t <directory> flag to copy the libraries into the folder you created in the previous step. For example:

   pip install -t lib/ <library_name>
   

Comments

[Dan Cornilescu]

That moves you to the 2nd generation standard environment, where the Private dependencies applies. But you still need to install your dependencies in your app, otherwise it won't work when deployed on GAE.