GAE Python / OSX, version 1.9.37: ImportError: No module named appengine.api

[Matti Dahlbom]

When running dev_appserver.py after updating to the latest (1.9.37) GAE Python SDK I am getting the following error:

[matti@babylon appengine-server] 19:22:06 % /usr/local/bin/dev_appserver.py .

 

Traceback (most recent call last):

  File "/usr/local/bin/dev_appserver.py", line 84, in <module>

    _run_file(__file__, globals())

  File "/usr/local/bin/dev_appserver.py", line 80, in _run_file

    execfile(_PATHS.script_file(script_name), globals_)

  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/devappserver2.py", line 31, in <module>

    from google.appengine.api import appinfo

ImportError: No module named appengine.api

I checked and everything seems to be in order in /usr/local/google_appengine/. I even tried adding that to my PYTHONPATH, to no avail. I've used probably 30+ versions of GAE - updating in a similar manner every time - and have never seen it break like this.

Someone else is having the same problem over at SO:

http://stackoverflow.com/questions/37236748/importerror-no-module-named-appengine-api

BR, 

- Matti

[Anastasios Hatzis]

I have added two comments. Updated today to this version on OS X 10.11.4 and after updating the symlinks (in GoogleAppEngineLauncher menu), I could launch the app. Later I also launched from CLI (dev_appserver.py), but only after I was prompted to update a gcloud component.

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[Matti Dahlbom]

On Friday, May 20, 2016 at 11:52:20 PM UTC+3, Anastasios Hatzis wrote:

I have added two comments. Updated today to this version on OS X 10.11.4 and after updating the symlinks (in GoogleAppEngineLauncher menu), I could launch the app. Later I also launched from CLI (dev_appserver.py), but only after I was prompted to update a gcloud component

I believe you've been using dev_appserver.py that ships with the gcloud SDK instead of the one that ships with GAE SDK. 

- Matti 

[Adam (Cloud Platform Support)]

It would be interesting to see what the results are if you throw in a few debug statements above line 31 in 'devappserver2.py':

import google
print(google)
print(sys.path)

I've tried to break this on my machine by introducing a 'google' module in my sys.path, but I cannot reproduce it.

[Matti Dahlbom]

On Tuesday, May 24, 2016 at 1:07:56 AM UTC+3, Adam (Cloud Platform Support) wrote:

It would be interesting to see what the results are if you throw in a few debug statements above line 31 in 'devappserver2.py':

import google
print(google)
print(sys.path)

It prints: 

<module 'google' from '/usr/local/bin/google'>

['/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/antlr3', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/fancy_urllib', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/ipaddr', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/yaml-3.10', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/rsa', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/pyasn1', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/pyasn1_modules', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/httplib2', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/oauth2client', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/six', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/concurrent', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/cherrypy', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/portpicker', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/jinja2-2.6', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webob-1.2.3', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/webapp2-2.5.1', '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine', '/Library/Python/2.7/site-packages/six-1.10.0-py2.7.egg', '/Users/matti/src/vision-api-poc/appengine-server', '/usr/local/google_appengine', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python27.zip', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages', '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-old', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload', '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/PyObjC', '/Library/Python/2.7/site-packages']

Traceback (most recent call last):

  File "/usr/local/bin/dev_appserver.py", line 84, in <module>

    _run_file(__file__, globals())

  File "/usr/local/bin/dev_appserver.py", line 80, in _run_file

    execfile(_PATHS.script_file(script_name), globals_)

  File "/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google/appengine/tools/devappserver2/devappserver2.py", line 35, in <module>

    from google.appengine.api import appinfo

ImportError: No module named appengine.api

 Just for clarification, I have both gcloud SDK as well as GAE SDK installed. I'm using GAE SDK since the gcloud one does not have Django (or other libs apparently). I'm running the dev_appserver with the following shelll script:

# Set GOOGLE_APPLICATION_CREDENTIALS so that the service account key file

# can be found by the Google APIs, ie:

#

# export GOOGLE_APPLICATION_CREDENTIALS="/path/to/file.json"

if [ -z ${GOOGLE_APPLICATION_CREDENTIALS+x} ]; then

    echo "You must set GOOGLE_APPLICATION_CREDENTIALS!";

   exit 1

fi

/usr/local/bin/dev_appserver.py --host=0.0.0.0 .

- Matti

[Adam (Cloud Platform Support)]

It looks like you also have the 'google' package (Python bindings to the Google search engine) installed eg. via pip or homebrew, which will install a module in '/usr/local/bin/google', and it's getting imported instead of '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google'.

As for why, something tells me it's related to this recently reported issue, in which it appears dev_appserver is changing the way the 'google' import is added to sys.modules. As a workaround, you can try uninstalling or renaming '/usr/local/bin/google' to something else and see if the problem goes away.

[Matti Dahlbom]

On Tuesday, May 24, 2016 at 8:12:47 PM UTC+3, Adam (Cloud Platform Support) wrote:

It looks like you also have the 'google' package (Python bindings to the Google search engine) installed eg. via pip or homebrew, which will install a module in '/usr/local/bin/google', and it's getting imported instead of '/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/google'.

As for why, something tells me it's related to this recently reported issue, in which it appears dev_appserver is changing the way the 'google' import is added to sys.modules. As a workaround, you can try uninstalling or renaming '/usr/local/bin/google' to something else and see if the problem goes away.

Hmm. I don't see a package like that in 'pip list' nor 'brew list' nor can I remember installing it ever. Also, there is no '/usr/local/bin/google' on my system. I do have '/usr/local/bin/google_sql.py' but that's the only google* thingy in that directory. 

- Matti 

[Matti Dahlbom]

As for why, something tells me it's related to this recently reported issue, in which it appears dev_appserver is changing the way the 'google' import is added to sys.modules. As a workaround, you can try uninstalling or renaming '/usr/local/bin/google' to something else and see if the problem goes away.

Aah, grepping from that issue you mentioned: 

Looking around using pdb, I was able to pinpoint the problem to a conflict with the python2-protobuf archlinux package providing a built-in google module that seem to upset the new code.

I indeed have the protobuf packages installed also.

- Matti