google.appengine.ext Python Module ImportError No module named google.appengine.ext

Question

Python 2.7.6, Google APIs Client Library for Python for Google App Engine, Google Developer's Guide

I'm going through the Google documentation, and trying to duplicate their example. When I run the command:

from google.appengine.ext import webapp

from Python Shell, I get the error msg:

No module named google.appengine.ext

So obviously, that file is not on my computer. I've done searches for the file on my hard drive and haven't found anything. I've run easy_install to install the Google API as instructed in the official Google Quick Start video. I'm not sure if Google's documentation is now outdated, or what is happening. Where do I get the google.appengine.ext? I'm assuming that my problem is simply that I don't have that module.

Please see my answer here: ["GAE Running Locally"](stackoverflow.com/questions/38195967/… ) — mtisz
– mtisz, Commented Jul 5, 2016 at 6:00

varun · Accepted Answer · 2016-06-07 14:44:52Z

4

You may need to add the following line, incase you are running stand alone tests

 sys.path.append('/usr/local/google_appengine/')
 sys.path.append('/usr/local/google_appengine/lib/yaml/lib/')
 if 'google' in sys.modules:
     del sys.modules['google']

edited Jun 7, 2016 at 14:44

answered Jan 4, 2016 at 11:18

varun

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3 Comments

Juan Antonio Over a year ago

This solution don't work for my. I'm trying from google.appengine.ext import ndb without dev_server and I don't find why. Any idea?

varun Over a year ago

Just edited my answer (added sys.modules['google']). Try this

Juan Antonio Over a year ago

I Just try this, and doesn't work for me. Maybe I have other problems, I only want try the Google Datastore without the devserver runnig.

Juan Antonio · Accepted Answer · 2016-06-08 09:40:03Z

3

I've seen @varun answer in other question, and he use insert instead of append, and then this work perfectly, at least for me.

sys.path.insert(1, '<yourFolder>/google_appengine')
sys.path.insert(1, '<yourFolder>/google_appengine/lib/yaml/lib')
if 'google' in sys.modules:           
    del sys.modules['google']

answered Jun 8, 2016 at 9:40

Juan Antonio

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Comments

Joe Gregorio · Accepted Answer · 2014-01-02 14:29:20Z

2

App Engine samples presume that you have the App Engine SDK installed:

https://developers.google.com/appengine/downloads

https://developers.google.com/api-client-library/python/start/installation#appengine

answered Jan 2, 2014 at 14:29

Joe Gregorio

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4 Comments

Alan Wells Over a year ago

Thank you. I'd actually downloaded and installed both of those, plus google-api-python-client-gae-N.M.zip And I've found the files that I think are needed. I'm guessing that the problem is the PATH defined on my operating system isn't pointing to those folders, so when I'm running a line of Python code in Python Shell from the folder C:\Python27 the IMPORT command is not finding that appengine module. It looks like I have the appengine SDK files in the PROGRAM FILES\GOOGLE\GOOGLE_APPENGINE\LIB\GOOGLE-API-PHTHON-CLIENT\OATH2CLIENT folder. I'm guessing that got set up with Launcher.

Joe Gregorio Over a year ago

For App Engine you need to run your code within the development web server: developers.google.com/appengine/docs/python/tools/devserver. Once that's running you can use the interactive console provided: developers.google.com/appengine/docs/python/tools/…

Alan Wells Over a year ago

I have used App Engine Launcher, which has a BROWSE button that opens my app in my web brower at http://localhost:8080/. I'm assuming that is the same as running the command line: dev_appserver.py myapp

Vincent Buscarello Over a year ago

@JoeGregorio PLEASE make this the answer!! I spent 4 hours looking for this.... the sample code makes it look like the SDK auto installs a bunch of modules you can just test and use normally!!

Sietse van der Molen · Accepted Answer · 2014-12-04 16:35:54Z

-2

The google.appengine.ext means google/appengine/ext it is just like the packages directory in Eclipse

edited Dec 4, 2014 at 16:35

Sietse van der Molen

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answered Sep 9, 2014 at 10:05

user3333736

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