On Jan 25, 2009, at 3:05 AM, Tarek Ziadé wrote:
Well if that's a recurrent need maybe we can add this feature.
What about a new option called "include_empty_folders" (False by
default)
In a related story, I recently found a problem with the packaging of
nevow. We had earlier added "twisted.plugins" to "packages", not
because nevow includes a package named "twisted.plugins", but because
that's the only way we could figure out how to make sure that
distutils and/or setuptools would create the empty "twisted/plugins"
directory on installation which nevow requires:
http://divmod.org/trac/changeset/16896
However, this leads to this warning message at import time:
"/usr/lib/python2.5/site-packages/zope/__init__.py:19: UserWarning:
Module twisted was already imported from /usr/lib/python2.5/site-
packages/twisted/__init__.pyc, but /home/buildslave/slave-gutsy-tahoe/
gutsy/build/support/lib/python2.5/site-packages/Nevow-0.9.32-
py2.5.egg is being added to sys.path"
http://bugs.python.org/setuptools/issue36
So I've just submitted a patch to nevow to use data_files instead of
packages to indicate that this directory should be created, and to do
that we have to include a file in the directory so that distutils
doesn't prune it out for being an empty directory:
http://divmod.org/trac/ticket/2830
One thing that I don't understand about all this is why setuptools's
"include_package_data=True" didn't cause the directory to be
installed. I'm not sure if calling that "twisted/plugins" directory
a "data file" or an "included package data" makes more sense, but the
former currently works.
Regards,
Zooko
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