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59 lines
2.3 KiB
59 lines
2.3 KiB
# Copyright 2013 Tres Seaver
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# Copyright 2015 Ian Cordasco
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# This code was originally licensed under the Python Software Foudation
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# License by Tres Seaver. In order to facilitate finding the metadata of
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# installed packages, part of the most current implementation of the
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# pkginfo.Installed class is reproduced here with bug fixes from
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# https://bugs.launchpad.net/pkginfo/+bug/1437570.
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import glob
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import os
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import sys
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import warnings
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import pkginfo
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class Installed(pkginfo.Installed):
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def read(self):
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opj = os.path.join
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if self.package is not None:
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package = self.package.__package__
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if package is None:
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package = self.package.__name__
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egg_pattern = '%s*.egg-info' % package
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dist_pattern = '%s*.dist-info' % package
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file = getattr(self.package, '__file__', None)
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if file is not None:
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candidates = []
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def _add_candidate(where):
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candidates.extend(glob.glob(where))
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for entry in sys.path:
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if file.startswith(entry):
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_add_candidate(opj(entry, 'METADATA')) # egg?
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_add_candidate(opj(entry, 'EGG-INFO')) # egg?
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# dist-installed?
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_add_candidate(opj(entry, egg_pattern))
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_add_candidate(opj(entry, dist_pattern))
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dir, name = os.path.split(self.package.__file__)
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_add_candidate(opj(dir, egg_pattern))
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_add_candidate(opj(dir, dist_pattern))
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_add_candidate(opj(dir, '..', egg_pattern))
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_add_candidate(opj(dir, '..', dist_pattern))
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for candidate in candidates:
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if os.path.isdir(candidate):
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path = opj(candidate, 'PKG-INFO')
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if not os.path.exists(path):
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path = opj(candidate, 'METADATA')
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else:
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path = candidate
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if os.path.exists(path):
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with open(path) as f:
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return f.read()
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warnings.warn('No PKG-INFO or METADATA found for package: %s' %
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self.package_name)
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