Fixed #32821 -- Updated os.scandir() uses to use a context manager.

This commit is contained in:
Chris Jerdonek 2021-06-05 23:56:34 -07:00 committed by Mariusz Felisiak
parent 7dd502b0e1
commit 7272e1963f
6 changed files with 68 additions and 59 deletions

View File

@ -321,11 +321,12 @@ class FileSystemStorage(Storage):
def listdir(self, path):
path = self.path(path)
directories, files = [], []
for entry in os.scandir(path):
if entry.is_dir():
directories.append(entry.name)
else:
files.append(entry.name)
with os.scandir(path) as entries:
for entry in entries:
if entry.is_dir():
directories.append(entry.name)
else:
files.append(entry.name)
return directories, files
def path(self, name):

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@ -1111,13 +1111,15 @@ class FilePathField(ChoiceField):
self.choices.append((f, f.replace(path, "", 1)))
else:
choices = []
for f in os.scandir(self.path):
if f.name == '__pycache__':
continue
if (((self.allow_files and f.is_file()) or
(self.allow_folders and f.is_dir())) and
(self.match is None or self.match_re.search(f.name))):
choices.append((f.path, f.name))
with os.scandir(self.path) as entries:
for f in entries:
if f.name == '__pycache__':
continue
if ((
(self.allow_files and f.is_file()) or
(self.allow_folders and f.is_dir())
) and (self.match is None or self.match_re.search(f.name))):
choices.append((f.path, f.name))
choices.sort(key=operator.itemgetter(1))
self.choices.extend(choices)

View File

@ -462,7 +462,8 @@ class WriterTests(SimpleTestCase):
self.assertIn('import pathlib', imports)
def test_serialize_path_like(self):
path_like = list(os.scandir(os.path.dirname(__file__)))[0]
with os.scandir(os.path.dirname(__file__)) as entries:
path_like = list(entries)[0]
expected = (repr(path_like.path), {})
self.assertSerializedResultEqual(path_like, expected)

View File

@ -127,18 +127,19 @@ def get_test_modules():
for dirname in discovery_dirs:
dirpath = os.path.join(RUNTESTS_DIR, dirname)
subdirs_to_skip = SUBDIRS_TO_SKIP[dirname]
for f in os.scandir(dirpath):
if (
'.' in f.name or
os.path.basename(f.name) in subdirs_to_skip or
f.is_file() or
not os.path.exists(os.path.join(f.path, '__init__.py'))
):
continue
test_module = f.name
if dirname:
test_module = dirname + '.' + test_module
yield test_module
with os.scandir(dirpath) as entries:
for f in entries:
if (
'.' in f.name or
os.path.basename(f.name) in subdirs_to_skip or
f.is_file() or
not os.path.exists(os.path.join(f.path, '__init__.py'))
):
continue
test_module = f.name
if dirname:
test_module = dirname + '.' + test_module
yield test_module
def get_installed():

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@ -39,11 +39,12 @@ class PathNotImplementedStorage(storage.Storage):
def listdir(self, path):
path = self._path(path)
directories, files = [], []
for entry in os.scandir(path):
if entry.is_dir():
directories.append(entry.name)
else:
files.append(entry.name)
with os.scandir(path) as entries:
for entry in entries:
if entry.is_dir():
directories.append(entry.name)
else:
files.append(entry.name)
return directories, files
def delete(self, name):

View File

@ -32,20 +32,21 @@ class TestArchive(unittest.TestCase):
os.chdir(self.old_cwd)
def test_extract_function(self):
for entry in os.scandir(self.testdir):
with self.subTest(entry.name), tempfile.TemporaryDirectory() as tmpdir:
if (
(entry.name.endswith('.bz2') and not HAS_BZ2) or
(entry.name.endswith(('.lzma', '.xz')) and not HAS_LZMA)
):
continue
archive.extract(entry.path, tmpdir)
self.assertTrue(os.path.isfile(os.path.join(tmpdir, '1')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, '2')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', '1')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', '2')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', 'bar', '1')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', 'bar', '2')))
with os.scandir(self.testdir) as entries:
for entry in entries:
with self.subTest(entry.name), tempfile.TemporaryDirectory() as tmpdir:
if (
(entry.name.endswith('.bz2') and not HAS_BZ2) or
(entry.name.endswith(('.lzma', '.xz')) and not HAS_LZMA)
):
continue
archive.extract(entry.path, tmpdir)
self.assertTrue(os.path.isfile(os.path.join(tmpdir, '1')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, '2')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', '1')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', '2')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', 'bar', '1')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', 'bar', '2')))
@unittest.skipIf(sys.platform == 'win32', 'Python on Windows has a limited os.chmod().')
def test_extract_file_permissions(self):
@ -53,21 +54,23 @@ class TestArchive(unittest.TestCase):
mask = stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO
umask = os.umask(0)
os.umask(umask) # Restore the original umask.
for entry in os.scandir(self.testdir):
if (
entry.name.startswith('leadpath_') or
(entry.name.endswith('.bz2') and not HAS_BZ2) or
(entry.name.endswith(('.lzma', '.xz')) and not HAS_LZMA)
):
continue
with self.subTest(entry.name), tempfile.TemporaryDirectory() as tmpdir:
archive.extract(entry.path, tmpdir)
# An executable file in the archive has executable permissions.
filepath = os.path.join(tmpdir, 'executable')
self.assertEqual(os.stat(filepath).st_mode & mask, 0o775)
# A file is readable even if permission data is missing.
filepath = os.path.join(tmpdir, 'no_permissions')
self.assertEqual(os.stat(filepath).st_mode & mask, 0o666 & ~umask)
with os.scandir(self.testdir) as entries:
for entry in entries:
if (
entry.name.startswith('leadpath_') or
(entry.name.endswith('.bz2') and not HAS_BZ2) or
(entry.name.endswith(('.lzma', '.xz')) and not HAS_LZMA)
):
continue
with self.subTest(entry.name), tempfile.TemporaryDirectory() as tmpdir:
archive.extract(entry.path, tmpdir)
# An executable file in the archive has executable
# permissions.
filepath = os.path.join(tmpdir, 'executable')
self.assertEqual(os.stat(filepath).st_mode & mask, 0o775)
# A file is readable even if permission data is missing.
filepath = os.path.join(tmpdir, 'no_permissions')
self.assertEqual(os.stat(filepath).st_mode & mask, 0o666 & ~umask)
class TestArchiveInvalid(SimpleTestCase):