Can not calculate version

[jaraco]

Originally reported by: Renier de Bruyn (BitBucket: renierdbruyn, GitHub: renierdbruyn)

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hgtools seems to break packages, when I try to install it trough pip i.e. pip install https://github.com/renierdbruyn/calendra/tarball/master#calendra or directly from your repo e.g. pip install https://github.com/jaraco/calendra/tarball/master

I got it to install by doing: pip install git+git://github.com/renierdbruyn/calendra.git@master#egg=calendra but this resets the version to 0.0.0 Why is this?

repo in question can be found here

The stack trace:

Traceback (most recent call last):
  File "setup.py", line 61, in <module>
    setuptools.setup(**params)
  File "/usr/lib/python2.7/distutils/core.py", line 112, in setup
    _setup_distribution = dist = klass(attrs)
  File "/home/renierdebruyn/calendra/local/lib/python2.7/site-packages/setuptools/dist.py", line 264, in __init__
    _Distribution.__init__(self,attrs)
  File "/usr/lib/python2.7/distutils/dist.py", line 287, in __init__
    self.finalize_options()
  File "/home/renierdebruyn/calendra/local/lib/python2.7/site-packages/setuptools/dist.py", line 298, in finalize_options
    ep.load()(self, ep.name, value)
  File "build/bdist.linux-x86_64/egg/hgtools/plugins.py", line 113, in version_calc
  File "build/bdist.linux-x86_64/egg/hgtools/plugins.py", line 94, in calculate_version
  File "build/bdist.linux-x86_64/egg/hgtools/managers/base.py", line 41, in get_first_valid_manager
StopIteration

Am I doing something wrong?

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• Bitbucket: https://bitbucket.org/jaraco/hgtools/issue/28

[jaraco]

Original comment by: Jason R. Coombs (BitBucket: jaraco, GitHub: jaraco)

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The StopIteration means that no hgtools Manager class was found that was suitable. Because you're doing a git checkout, that probably means that you don't have a late version of Git installed or in the path. hgtools 6.1 requires Git 1.7.10 or later. Older versions of hgtools probably won't help because they didn't work properly with Git for listing tags.

[jaraco]

Original comment by: Gustavo Picon (BitBucket: tabo, GitHub: tabo)

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I'm affected by this issue too, and I do have git installed. The problem seems to be that hgtools is using setuptools' version parsing to compare version numbers, and this is what happens:

#!

>>> from pkg_resources import SetuptoolsVersion, SetuptoolsLegacyVersion
>>> SetuptoolsLegacyVersion('1.9.3 (Apple Git-50)') > SetuptoolsVersion('1.7.10')
False

So even while I have git 1.9.3 installed, hgtools discards it as if it was older than 1.7.10.

(The StopIteration exception could also be a little friendlier :)

[jaraco]

Original comment by: Jason R. Coombs (BitBucket: jaraco, GitHub: jaraco)

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@tabo The issue you're getting here I think is subtly different. SetuptoolsLegacyVersion was only very recently introduced in Setuptools 8, so hgtools probably needs to be updated to support that. I agreed the StopIteration is a poor experience.

[jaraco]

Original comment by: Jason R. Coombs (BitBucket: jaraco, GitHub: jaraco)

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Provide more information when the StopIteration happens. Ref #28.

[jaraco]

Original comment by: Jason R. Coombs (BitBucket: jaraco, GitHub: jaraco)

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Adapt parsing of git version output. Fixes failing test and fixes #28.

[jaraco]

Original comment by: Jason R. Coombs (BitBucket: jaraco, GitHub: jaraco)

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Add test capturing error on Mac OS X. Ref #28.

[jaraco]

Original comment by: Jason R. Coombs (BitBucket: jaraco, GitHub: jaraco)

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I've released the changes as 6.2. I believe with the improved error message, that's about as good as this issue will get, but if you have suggestions, please re-open or open another.