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bpo-38010 Sync importlib.metadata with importlib_metadata 0.20. (GH-15646)

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Sync importlib.metadata with importlib_metadata 0.20.
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Jason R. Coombs 2019-09-02 11:08:03 -04:00 • committed by GitHub
parent 1f21eaa15e
commit 102e9b40ff
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4 changed files with 25 additions and 3 deletions
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18
Lib/importlib/metadata.py
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@ -213,6 +213,15 @@ class Distribution:
@property
def files(self):
"""Files in this distribution.
:return: Iterable of PackagePath for this distribution or None
Result is `None` if the metadata file that enumerates files
(i.e. RECORD for dist-info or SOURCES.txt for egg-info) is
missing.
Result may be empty if the metadata exists but is empty.
"""
file_lines = self._read_files_distinfo() or self._read_files_egginfo()
def make_file(name, hash=None, size_str=None):
@ -245,8 +254,7 @@ class Distribution:
return self._read_dist_info_reqs() or self._read_egg_info_reqs()
def _read_dist_info_reqs(self):
spec = self.metadata['Requires-Dist']
return spec and filter(None, spec.splitlines())
return self.metadata.get_all('Requires-Dist')
def _read_egg_info_reqs(self):
source = self.read_text('requires.txt')
@ -318,7 +326,11 @@ class DistributionFinder(MetaPathFinder):
class PathDistribution(Distribution):
def __init__(self, path):
"""Construct a distribution from a path to the metadata directory."""
"""Construct a distribution from a path to the metadata directory.
:param path: A pathlib.Path or similar object supporting
.joinpath(), __div__, .parent, and .read_text().
"""
self._path = path
def read_text(self, filename):