8000 GH-102613: Improve performance of `pathlib.Path.rglob()` by barneygale · Pull Request #104244 · python/cpython · GitHub
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GH-102613: Improve performance of pathlib.Path.rglob() #104244

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Merged
merged 4 commits into from
May 7, 2023
Merged

GH-102613: Improve performance of pathlib.Path.rglob() #104244

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e3d0923
GH-102613: Improve performance of `pathlib.Path.rglob()`
barneygale May 6, 2023
f235d66
Add some tests for de-duplicating recursive globs.
barneygale May 6, 2023
79337a1
Simplify test condition
barneygale May 6, 2023
7bee0cf
Slice pattern_parts only once.
barneygale May 7, 2023
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Add some tests for de-duplicating recursive globs.
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@barneygale
barneygale committed May 6, 2023
commit f235d669fbe5b9111935193cc052d2a94e7a929e
8 changes: 7 additions & 1 deletion Lib/test/test_pathlib.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1852,13 +1852,16 @@ def _check(path, pattern, case_sensitive, expected):

def test_rglob_common(self):
def _check(glob, expected):
self.assertEqual(set(glob), { P(BASE, q) for q in expected })
actual = list(glob)
self.assertEqual(set(actual), { P(BASE, q) for q in expected })
self.assertEqual(len(actual), len(expected))
P = self.cls
p = P(BASE)
it = p.rglob("fileA")
self.assertIsInstance(it, collections.abc.Iterator)
_check(it, ["fileA"])
_check(p.rglob("fileB"), ["dirB/fileB"])
_check(p.rglob("**/fileB"), ["dirB/fileB"])
_check(p.rglob("*/fileA"), [])
if not os_helper.can_symlink():
_check(p.rglob("*/fileB"), ["dirB/fileB"])
Expand All @@ -1882,9 +1885,12 @@ def _check(glob, expected):
_check(p.rglob("*"), ["dirC/fileC", "dirC/novel.txt",
"dirC/dirD", "dirC/dirD/fileD"])
_check(p.rglob("file*"), ["dirC/fileC", "dirC/dirD/fileD"])
_check(p.rglob("**/file*"), ["dirC/fileC", "dirC/dirD/fileD"])
_check(p.rglob("dir*/**"), ["dirC/dirD"])
_check(p.rglob("*/*"), ["dirC/dirD/fileD"])
_check(p.rglob("*/"), ["dirC/dirD"])
_check(p.rglob(""), ["dirC", "dirC/dirD"])
_check(p.rglob("**"), ["dirC", "dirC/dirD"])
# gh-91616, a re module regression
_check(p.rglob("*.txt"), ["dirC/novel.txt"])
_check(p.rglob("*.*"), ["dirC/novel.txt"])
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