GH-119169: Slightly speed up `os.walk(topdown=True)` by barneygale · Pull Request #121431 · python/cpython
When `os.walk()` traverses into subdirectories in top-down mode, call `os.path.join()` once to add a trailing slash, and use string concatenation thereafter to generate child paths.
GH-119186: Slightly speed up
GH-119169: Slightly speed up os.walk(topdown=True)os.walk(topdown=True)
lkollar pushed a commit to lkollar/cpython that referenced this pull request
…121431) pythonGH-119186: Slightly speed up `os.walk(topdown=True)` When `os.walk()` traverses into subdirectories in top-down mode, call `os.path.join()` once to add a trailing slash, and use string concatenation thereafter to generate child paths.
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