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Editorial Team
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Asked: 2026-06-09T09:14:31+00:00

So I have created a flask application in OS from the OS quickstart on

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So I have created a flask application in OS from the OS quickstart on github. The app works great on my local system. when i push the app to OS it builds but I get an error 500 in the browser.

Any ideas or assistance would be appreciated.

Here is the source code from the application file:

#!/usr/bin/python import os

virtenv = os.environ['APPDIR'] + '/virtenv/'
os.environ['PYTHON_EGG_CACHE'] = os.path.join(virtenv, 'lib/python2.6/site-packages')
virtualenv = os.path.join(virtenv, 'bin/activate_this.py')
try:
    execfile(virtualenv, dict(__file__=virtualenv))
except IOError:
    pass

from run import app as application

Here is the source from the run.py file

from app import app 
app.run(debug = True)

Here are the errors from the logs (Stripped the HASH ID for my site):

[Sun Aug 05 15:46:08 2012] [error] * Running on http://127.0.0.1:5000/
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] mod_wsgi (pid=28484): Target WSGI script '/var/lib/stickshift/HASH-ID-HERE/app-root/runtime/repo/wsgi/application' cannot be loaded as Python module. 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] mod_wsgi (pid=28484): Exception occurred processing WSGI script '/var/lib/stickshift/HASH-ID-HERE/app-root/runtime/repo/wsgi/application'. 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] Traceback (most recent call last): 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] File "/var/lib/stickshift/HASH-ID-HERE/app-root/runtime/repo/wsgi/application", line 13, in <module> 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] from run import app as application 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] File "/var/lib/stickshift/HASH-ID-HERE/app-root/runtime/repo/wsgi/run.py", line 2, in <module> 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] app.run(debug = True) 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] File "/var/lib/stickshift/HASH-ID-HERE/ws/virtenv/lib/python2.6/site-packages/Flask-0.9-py2.6.egg/flask/app.py", line 739, in run 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] run_simple(host, port, self, **options) 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] File "/var/lib/stickshift/HASH-ID-HERE/ws/virtenv/lib/python2.6/site-packages/Werkzeug-0.8.3-py2.6.egg/werkzeug/serving.py", line 613, in run_simple 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] test_socket.bind((hostname, port)) 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] File "<string>", line 1, in bind 
[Sun Aug 05 15:46:08 2012] [error] [client 127.3.153.129] error: [Errno 13] Permission denied 
[Sun Aug 05 15:46:09 2012] [error] * Running on http://127.0.0.1:5000/
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] mod_wsgi (pid=31302): Target WSGI script '/var/lib/stickshift/HASH-ID-HERE/app-root/runtime/repo/wsgi/application' cannot be loaded as Python module. 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] mod_wsgi (pid=31302): Exception occurred processing WSGI script '/var/lib/stickshift/HASH-ID-HERE/app-root/runtime/repo/wsgi/application'. 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] Traceback (most recent call last): 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] File "/var/lib/stickshift/HASH-ID-HERE/app-root/runtime/repo/wsgi/application", line 13, in <module> 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] from run import app as application 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] File "/var/lib/stickshift/HASH-ID-HERE/app-root/runtime/repo/wsgi/run.py", line 2, in <module> 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] app.run(debug = True) 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] File "/var/lib/stickshift/HASH-ID-HERE/ws/virtenv/lib/python2.6/site-packages/Flask-0.9-py2.6.egg/flask/app.py", line 739, in run
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] run_simple(host, port, self, **options) 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] File "/var/lib/stickshift/HASH-ID-HERE/ws/virtenv/lib/python2.6/site-packages/Werkzeug-0.8.3-py2.6.egg/werkzeug/serving.py", line 613, in run_simple 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] test_socket.bind((hostname, port)) 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] File "<string>", line 1, in bind 
[Sun Aug 05 15:46:09 2012] [error] [client 127.3.153.129] error: [Errno 13] Permission denied
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1 Answer

  1. Editorial Team

    So I have finally figured out what was wrong with my code. I was missing a line in my run.py file so the incorrect file looked like this:

    Incorrect file:

    from app import app
app.run()

    This is the corrected working file:

    from app import app
if __name__ == "__main__": #Need this line for Openshift
    app.run()

    The if statement is apparently needed when deployed to production servers like Apache

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