Python script shows different pythonpath

Question

Attempting to run runsnake gives

ImportError: No module named wx

Opening an ipython or python session seems to work fine:

>>> import wx
>>> import sys
>>> print [p for p in sys.path if 'wx' in p]    
['/usr/local/lib/wxPython-2.9.4.0/lib/python2.7/site-packages', '/usr/local/lib/wxPython-2.9.4.0/lib/python2.7/site-packages/wx-2.9.4-osx_cocoa', '/usr/local/lib/wxPython-2.9.4.0/lib/python2.7/site-packages/wx-2.9.1-osx_cocoa/tools']

as does putting that code in a script and calling python script.py. But putting that code at the beginning of runsnake.py prints an empty list (printing the whole sys.path prints a path quite different from my $PYTHONPATH).

Why would it be different, and how to I get it to recognize wxPython?

Edit: pip freeze output contains

SquareMap==1.0.1
RunSnakeRun==2.0.2b1
wxPython==2.9.4.0
wxPython-common==2.9.4.0

do you mean pip freeze shows both RunSnakeRun and wxPython==2.9.4.0 and wxPython-common==2.9.4.0? — dnozay
– dnozay, Commented Oct 21, 2012 at 17:03
I kind of fixed it by manually running sys.path.extend(['wx directories...']). That got rid of the import wx problem, now I have what looks like an unrelated error along the lines of "Please run with a Framework build of python...". — beardc
– beardc, Commented Oct 21, 2012 at 17:04
/usr/local/Cellar/python/2.7.3/bin/python in both cases (homebrew python) — beardc
– beardc, Commented Oct 21, 2012 at 17:51

Community · Accepted Answer · 2017-05-23 12:04:04Z

1

Are you running runsnake.py and the python interpreter in the same virtualenv? If not you will not have the same packages.
If you are running runsnake.py in a virtual environment constructed with --no-site-packages, you will not have access to system-wide packages. Running pip freeze will tell you if you have access to wxPython. If you don't then that's the issue. You can create a new virtualenv properly.
Did you install wxPython before or after you run the virtualenv command?
Check the shebang, to see if it is running the same python #!/usr/bin/python or #!/usr/bin/env python
you can also try to force which interpreter to use with python runsnake.py

For Framework build of python on OSX, please see this question.

edited May 23, 2017 at 12:04

CommunityBot

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answered Oct 21, 2012 at 16:17

dnozay

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2 Comments

beardc Over a year ago

I'm not running it in a virtualenv, but the output of pip freeze contains wxPython==2.9.4.0; wxPython-common==2.9.4.0

beardc Over a year ago

I got it working with your last suggestion, though it's pretty tedious: /usr/bin/pythonw2.7 /usr/local/Cellar/python/2.7.3/lib/python2.7/site-packages/runsnakerun/runsnake.py <filename>. I thought I could just put #! /usr/bin/pythonw2.7 in the first line to get it working, but apparently not. Anyways, thanks!

slashdottir · Accepted Answer · 2015-06-08 23:50:14Z

0

Try running runsnake outside of a virtualenv.

See detailed reasons here: http://wiki.wxpython.org/wxPythonVirtualenvOnMac

answered Jun 8, 2015 at 23:50

slashdottir

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