[TIP] [tox] getting started

holger krekel holger at merlinux.eu
Mon Oct 15 06:43:39 PDT 2012


Hi Eugene,

could you provide the version of virtualenv and tox you are using?
And does it work for Python3.2, i.e. "py32"?

best,
holger


On Sun, Oct 14, 2012 at 18:04 +1100, Eugene Van den Bulke wrote:
> Hi,
> 
> I have just released a small package (module really)
> http://pypi.python.org/pypi/constants that now runs on both Python 2.7
> and Python 3.3.
> 
> My tests are pretty simple but I figured it would be a great
> opportunity to get started with tox but sadly I have been banging my
> head against my keyboard :(
> 
> My tox.ini is:
> 
> [tox]
> envlist = py27, py33
> [testenv]
> deps=pytest
> commands=py.test
> 
> My "default" python is 2.7. I installed 3.3 to port constants.
> 
> First I tried to install tox in a virtualenv (2.7) and call $ tox. It
> worked fine for 2.7 but failed for 3.3 trying to create a virtualenv
> in 3.3 with the virtualenv in 2.7.
> 
> I thought it might be because I was running tox in a virtualenv so I
> installed it globally but then it failed for both 2.7 and 3.3 trying
> to create a virtualenv with the 2.5 library (I am on Mac OS Snow
> Leopard).
> 
> I have the gutt feeling it is something rather silly I am sadly
> missing. Below is the errors I get in the first case (it is similar in
> the second case):
> 
> ERROR: invocation failed, logfile:
> /Users/eugene/Code/constants/.tox/py33/log/py33-0.log
> ERROR: actionid=py33
> msg=getenv
> cmdargs=['/Library/Frameworks/Python.framework/Versions/3.3/bin/python3.3',
> '/Users/eugene/Envs/tox/lib/python2.7/site-packages/virtualenv.py',
> 'py33']
> env={'TERM_PROGRAM_VERSION': '273.1', 'LOGNAME': 'eugene', 'USER':
> 'eugene', 'PATH':
> '/Users/eugene/Code/constants/.tox/py33/bin:/Users/eugene/Envs/tox/bin:/Library/Frameworks/Python.framework/Versions/2.7/bin:/opt/local/Library/Frameworks/Python.framework/Versions/2.6/bin:/Library/Frameworks/Python.framework/Versions/2.6/bin:/Users/eugene/Code/hubify/bin:/Users/eugene/local/node/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/go/bin:/usr/X11/bin',
> 'HOME': '/Users/eugene', 'PS1': '(tox)\\W$(__git_ps1 "[%s]")\\\\$ ',
> 'DISPLAY': '/tmp/launch-y1X7GF/org.x:0', 'TERM_PROGRAM':
> 'Apple_Terminal', 'LANG': 'en_AU.UTF-8', 'TERM': 'xterm-color',
> 'Apple_PubSub_Socket_Render': '/tmp/launch-GFBHtX/Render', 'QHOME':
> '/opt/q', 'SHLVL': '1', 'MACOSX_DEPLOYMENT_TARGET': '10.6', '_':
> '/Users/eugene/Envs/tox/bin/tox', 'WORKON_HOME': '/Users/eugene/Envs',
> 'PYTHONPATH': '.:', 'SSH_AUTH_SOCK': '/tmp/launch-7HskIQ/Listeners',
> 'VIRTUAL_ENV': '/Users/eugene/Envs/tox', 'SHELL': '/bin/bash',
> 'TMPDIR': '/var/folders/2n/2nToe6v5FA4M24X0ANWXB++++TI/-Tmp-/',
> 'OLDPWD': '/Users/eugene', '__CF_USER_TEXT_ENCODING': '0x1F5:0:0',
> 'PWD': '/Users/eugene/Code/constants', 'COMMAND_MODE': 'unix2003'}
> Traceback (most recent call last):
>   File "/Users/eugene/Envs/tox/lib/python2.7/site-packages/virtualenv.py",
> line 2471, in <module>
>     main()
>   File "/Users/eugene/Envs/tox/lib/python2.7/site-packages/virtualenv.py",
> line 942, in main
>     never_download=options.never_download)
>   File "/Users/eugene/Envs/tox/lib/python2.7/site-packages/virtualenv.py",
> line 1043, in create_environment
>     site_packages=site_packages, clear=clear))
>   File "/Users/eugene/Envs/tox/lib/python2.7/site-packages/virtualenv.py",
> line 1207, in install_python
>     copy_required_modules(home_dir)
>   File "/Users/eugene/Envs/tox/lib/python2.7/site-packages/virtualenv.py",
> line 1159, in copy_required_modules
>     dst_filename = change_prefix(filename, dst_prefix)
>   File "/Users/eugene/Envs/tox/lib/python2.7/site-packages/virtualenv.py",
> line 1134, in change_prefix
>     (filename, prefixes)
> AssertionError: Filename
> /Users/eugene/Envs/tox/lib/python2.7/site-packages/readline.so does
> not start with any of these prefixes:
> ['/Library/Frameworks/Python.framework/Versions/3.3',
> '/Library/Python/3.3/site-packages',
> '/Library/Frameworks/Python.framework/Versions/3.3/Extras/lib/python',
> '/Users/eugene/Library/Python/3.3/site-packages',
> '/Users/eugene/.local/lib/python/3.3/site-packages',
> '/Users/eugene/Library/Python/3.3/lib/python/site-packages']
> 
> ERROR: InvocationError:
> /Library/Frameworks/Python.framework/Versions/3.3/bin/python3.3
> /Users/eugene/Envs/tox/lib/python2.7/site-packages/virtualenv.py py33
> (see /Users/eugene/Code/constants/.tox/py33/log/py33-0.log)
> 
> Help would be greatly appreciated.
> 
> Regards,
> 
> -- 
> EuGeNe -- follow me http://twitter.com/3kwa
> 
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