[Distutils] error: None
Phillip J. Eby
pje at telecommunity.com
Fri Jun 9 20:00:35 CEST 2006
At 11:59 AM 5/22/2006 -0400, Nathan R. Yergler wrote:
>Thanks to Phillip for the insight into the interaction between
>command-line arguments and options. So another question regarding error
>reporting. When I so something like:
>
>$ PYTHONPATH=lib/ python ez_setup.py --install-dir lib/ --script-dir
>bin/ --site-dirs lib/ zope.testing
>
>setuptools is bootstrapped correctly, and zope.testing and its
>dependencies are downloaded and installed. However, at the end of the
>run you get a message like:
>
>Installed /home/nathan/Projects/zope.i18n/lib/setuptools-0.6b1-py2.4.egg
>Processing dependencies for setuptools==0.6b1
>error: None
>
>Does anyone have any insights into this?
Okay, I finally tracked this down. It's actually the same error as the:
"error: No urls, filenames, or requirements specified (see --help)"
message you were getting before. Or rather, they're both caused by a
freaky code fallthrough bug in ez_setup.py.
If, and only if, you are installing setuptools when it is not available on
the local system, ez_setup tries to run easy_install *twice* with more or
less the same arguments. If you do *not* have any non-option arguments,
you will get the first message. If you *do*, then easy_install gets an
IOError because it tries to read from the temporarily-downloaded
setuptools.egg that has already been deleted. The distutils sees this
IOError and unhelpfully (not to mention idiotically) outputs "error: None"
and aborts!
So I've fixed the source of both problems in the SVN trunk, and the 0.6b3
release (probably today) will have an ez_setup.py with the fix.
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