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gh-131435: random.randint optimization (gh-131436)

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dgpb 2025-03-21 00:07:28 +02:00 • committed by GitHub
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2 changed files with 6 additions and 2 deletions
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7
Lib/random.py
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@ -336,8 +336,11 @@ def randrange(self, start, stop=None, step=_ONE):
def randint(self, a, b): def randint(self, a, b):
"""Return random integer in range [a, b], including both end points. """Return random integer in range [a, b], including both end points.
""" """
a = _index(a)
return self.randrange(a, b+1) b = _index(b)
if b < a:
raise ValueError(f"empty range in randint({a}, {b})")
return a + self._randbelow(b - a + 1)
## -------------------- sequence methods ------------------- ## -------------------- sequence methods -------------------

1
Misc/NEWS.d/next/Library/2025-03-19-20-37-07.gh-issue-131435.y8KMae.rst Normal file
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@ -0,0 +1 @@
10-20% performance improvement of :func:`random.randint`.