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bpo-39595: Improve zipfile.Path performance (#18406)

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* Improve zipfile.Path performance on zipfiles with a large number of entries.

* 📜🤖 Added by blurb_it.

* Add bpo to blurb

* Sync with importlib_metadata 1.5 (6fe70ca)

* Update blurb.

* Remove compatibility code

* Add stubs module, omitted from earlier commit

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
This commit is contained in:
Jason R. Coombs 2020-02-11 21:58:47 -05:00 • committed by GitHub
parent e6be9b59a9
commit e5bd73632e
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7 changed files with 254 additions and 68 deletions
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32
Lib/test/test_importlib/test_main.py
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@ -7,6 +7,11 @@ import textwrap
import unittest
import importlib.metadata
try:
import pyfakefs.fake_filesystem_unittest as ffs
except ImportError:
from .stubs import fake_filesystem_unittest as ffs
from . import fixtures
from importlib.metadata import (
Distribution, EntryPoint,
@ -185,6 +190,33 @@ class DirectoryTest(fixtures.OnSysPath, fixtures.SiteDir, unittest.TestCase):
version('foo')
class MissingSysPath(fixtures.OnSysPath, unittest.TestCase):
site_dir = '/does-not-exist'
def test_discovery(self):
"""
Discovering distributions should succeed even if
there is an invalid path on sys.path.
"""
importlib.metadata.distributions()
class InaccessibleSysPath(fixtures.OnSysPath, ffs.TestCase):
site_dir = '/access-denied'
def setUp(self):
super(InaccessibleSysPath, self).setUp()
self.setUpPyfakefs()
self.fs.create_dir(self.site_dir, perm_bits=000)
def test_discovery(self):
"""
Discovering distributions should succeed even if
there is an invalid path on sys.path.
"""
list(importlib.metadata.distributions())
class TestEntryPoints(unittest.TestCase):
def __init__(self, *args):
super(TestEntryPoints, self).__init__(*args)