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GH-127381: pathlib ABCs: remove ReadablePath.exists() and is_*() (#130520)

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Remove `ReadablePath` methods duplicated by `ReadablePath.info`. To be
specific, we remove `exists()`, `is_dir()`, `is_file()` and `is_symlink()`.

The public `Path` class retains these methods.
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Barney Gale 2025-03-01 21:24:19 +00:00 • committed by GitHub
parent 5181ddb29f
commit a55dffd66d
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3 changed files with 89 additions and 130 deletions
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87
Lib/test/test_pathlib/test_pathlib.py
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@ -2453,6 +2453,93 @@ class PathTest(test_pathlib_abc.RWPathTest, PurePathTest):
st = p.stat()
self.assertEqual(st, p.lstat())
def test_exists(self):
P = self.cls
p = P(self.base)
self.assertIs(True, p.exists())
self.assertIs(True, (p / 'dirA').exists())
self.assertIs(True, (p / 'fileA').exists())
self.assertIs(False, (p / 'fileA' / 'bah').exists())
if self.can_symlink:
self.assertIs(True, (p / 'linkA').exists())
self.assertIs(True, (p / 'linkB').exists())
self.assertIs(True, (p / 'linkB' / 'fileB').exists())
self.assertIs(False, (p / 'linkA' / 'bah').exists())
self.assertIs(False, (p / 'brokenLink').exists())
self.assertIs(True, (p / 'brokenLink').exists(follow_symlinks=False))
self.assertIs(False, (p / 'foo').exists())
self.assertIs(False, P('/xyzzy').exists())
self.assertIs(False, P(self.base + '\udfff').exists())
self.assertIs(False, P(self.base + '\x00').exists())
def test_is_dir(self):
P = self.cls(self.base)
self.assertTrue((P / 'dirA').is_dir())
self.assertFalse((P / 'fileA').is_dir())
self.assertFalse((P / 'non-existing').is_dir())
self.assertFalse((P / 'fileA' / 'bah').is_dir())
if self.can_symlink:
self.assertFalse((P / 'linkA').is_dir())
self.assertTrue((P / 'linkB').is_dir())
self.assertFalse((P/ 'brokenLink').is_dir())
self.assertFalse((P / 'dirA\udfff').is_dir())
self.assertFalse((P / 'dirA\x00').is_dir())
def test_is_dir_no_follow_symlinks(self):
P = self.cls(self.base)
self.assertTrue((P / 'dirA').is_dir(follow_symlinks=False))
self.assertFalse((P / 'fileA').is_dir(follow_symlinks=False))
self.assertFalse((P / 'non-existing').is_dir(follow_symlinks=False))
self.assertFalse((P / 'fileA' / 'bah').is_dir(follow_symlinks=False))
if self.can_symlink:
self.assertFalse((P / 'linkA').is_dir(follow_symlinks=False))
self.assertFalse((P / 'linkB').is_dir(follow_symlinks=False))
self.assertFalse((P/ 'brokenLink').is_dir(follow_symlinks=False))
self.assertFalse((P / 'dirA\udfff').is_dir(follow_symlinks=False))
self.assertFalse((P / 'dirA\x00').is_dir(follow_symlinks=False))
def test_is_file(self):
P = self.cls(self.base)
self.assertTrue((P / 'fileA').is_file())
self.assertFalse((P / 'dirA').is_file())
self.assertFalse((P / 'non-existing').is_file())
self.assertFalse((P / 'fileA' / 'bah').is_file())
if self.can_symlink:
self.assertTrue((P / 'linkA').is_file())
self.assertFalse((P / 'linkB').is_file())
self.assertFalse((P/ 'brokenLink').is_file())
self.assertFalse((P / 'fileA\udfff').is_file())
self.assertFalse((P / 'fileA\x00').is_file())
def test_is_file_no_follow_symlinks(self):
P = self.cls(self.base)
self.assertTrue((P / 'fileA').is_file(follow_symlinks=False))
self.assertFalse((P / 'dirA').is_file(follow_symlinks=False))
self.assertFalse((P / 'non-existing').is_file(follow_symlinks=False))
self.assertFalse((P / 'fileA' / 'bah').is_file(follow_symlinks=False))
if self.can_symlink:
self.assertFalse((P / 'linkA').is_file(follow_symlinks=False))
self.assertFalse((P / 'linkB').is_file(follow_symlinks=False))
self.assertFalse((P/ 'brokenLink').is_file(follow_symlinks=False))
self.assertFalse((P / 'fileA\udfff').is_file(follow_symlinks=False))
self.assertFalse((P / 'fileA\x00').is_file(follow_symlinks=False))
def test_is_symlink(self):
P = self.cls(self.base)
self.assertFalse((P / 'fileA').is_symlink())
self.assertFalse((P / 'dirA').is_symlink())
self.assertFalse((P / 'non-existing').is_symlink())
self.assertFalse((P / 'fileA' / 'bah').is_symlink())
if self.can_symlink:
self.assertTrue((P / 'linkA').is_symlink())
self.assertTrue((P / 'linkB').is_symlink())
self.assertTrue((P/ 'brokenLink').is_symlink())
self.assertIs((P / 'fileA\udfff').is_file(), False)
self.assertIs((P / 'fileA\x00').is_file(), False)
if self.can_symlink:
self.assertIs((P / 'linkA\udfff').is_file(), False)
self.assertIs((P / 'linkA\x00').is_file(), False)
def test_is_junction_false(self):
P = self.cls(self.base)
self.assertFalse((P / 'fileA').is_junction())