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bpo-43672: raise ImportWarning when calling find_loader() (GH-25119)

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Brett Cannon 2021-04-02 12:35:32 -07:00 • committed by GitHub
parent ad442a674c
commit f97dc80068
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13 changed files with 610 additions and 616 deletions
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36
Lib/test/test_importlib/test_main.py
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@ -36,12 +36,10 @@ class BasicTests(fixtures.DistInfoPkg, unittest.TestCase):
Distribution.from_name('does-not-exist')
def test_package_not_found_mentions_metadata(self):
"""
When a package is not found, that could indicate that the
packgae is not installed or that it is installed without
metadata. Ensure the exception mentions metadata to help
guide users toward the cause. See #124.
"""
# When a package is not found, that could indicate that the
# packgae is not installed or that it is installed without
# metadata. Ensure the exception mentions metadata to help
# guide users toward the cause. See #124.
with self.assertRaises(PackageNotFoundError) as ctx:
Distribution.from_name('does-not-exist')
@ -90,10 +88,8 @@ class NameNormalizationTests(fixtures.OnSysPath, fixtures.SiteDir, unittest.Test
return 'my-pkg'
def test_dashes_in_dist_name_found_as_underscores(self):
"""
For a package with a dash in the name, the dist-info metadata
uses underscores in the name. Ensure the metadata loads.
"""
# For a package with a dash in the name, the dist-info metadata
# uses underscores in the name. Ensure the metadata loads.
pkg_name = self.pkg_with_dashes(self.site_dir)
assert version(pkg_name) == '1.0'
@ -111,9 +107,7 @@ class NameNormalizationTests(fixtures.OnSysPath, fixtures.SiteDir, unittest.Test
return 'CherryPy'
def test_dist_name_found_as_any_case(self):
"""
Ensure the metadata loads when queried with any case.
"""
# Ensure the metadata loads when queried with any case.
pkg_name = self.pkg_with_mixed_case(self.site_dir)
assert version(pkg_name) == '1.0'
assert version(pkg_name.lower()) == '1.0'
@ -241,13 +235,11 @@ class TestEntryPoints(unittest.TestCase):
assert "'name'" in repr(self.ep)
def test_hashable(self):
"""EntryPoints should be hashable"""
# EntryPoints should be hashable.
hash(self.ep)
def test_json_dump(self):
"""
json should not expect to be able to dump an EntryPoint
"""
# json should not expect to be able to dump an EntryPoint.
with self.assertRaises(Exception):
with warnings.catch_warnings(record=True):
json.dumps(self.ep)
@ -259,9 +251,7 @@ class TestEntryPoints(unittest.TestCase):
assert self.ep.attr is None
def test_sortable(self):
"""
EntryPoint objects are sortable, but result is undefined.
"""
# EntryPoint objects are sortable, but result is undefined.
sorted(
[
EntryPoint('b', 'val', 'group'),
@ -274,10 +264,8 @@ class FileSystem(
fixtures.OnSysPath, fixtures.SiteDir, fixtures.FileBuilder, unittest.TestCase
):
def test_unicode_dir_on_sys_path(self):
"""
Ensure a Unicode subdirectory of a directory on sys.path
does not crash.
"""
# Ensure a Unicode subdirectory of a directory on sys.path
# does not crash.
fixtures.build_files(
{self.unicode_filename(): {}},
prefix=self.site_dir,