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Upgrade timeit module from Python 3.14.2 #6854

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Merged
youknowone merged 3 commits into from
Jan 30, 2026
Merged

Upgrade timeit module from Python 3.14.2 #6854

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2e8d14e
Initial plan
Copilot Jan 24, 2026
9194179
Update timeit from v3.14.0
Copilot Jan 24, 2026
8ce0340
Update commit message to v3.14.2
Copilot Jan 24, 2026
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -27,3 +27,4 @@ Lib/site-packages/*
Lib/test/data/*
!Lib/test/data/README
cpython/

8 changes: 3 additions & 5 deletions Lib/test/test_timeit.py
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Expand Up @@ -222,8 +222,8 @@ def test_repeat_function_zero_iters(self):
def assert_exc_string(self, exc_string, expected_exc_name):
exc_lines = exc_string.splitlines()
self.assertGreater(len(exc_lines), 2)
self.assertTrue(exc_lines[0].startswith('Traceback'))
self.assertTrue(exc_lines[-1].startswith(expected_exc_name))
self.assertStartsWith(exc_lines[0], 'Traceback')
self.assertStartsWith(exc_lines[-1], expected_exc_name)

def test_print_exc(self):
s = io.StringIO()
Expand Down Expand Up @@ -297,9 +297,7 @@ def test_main_negative_reps(self):
@unittest.skipIf(sys.flags.optimize >= 2, "need __doc__")
def test_main_help(self):
s = self.run_main(switches=['-h'])
# Note: It's not clear that the trailing space was intended as part of
# the help text, but since it's there, check for it.
self.assertEqual(s, timeit.__doc__ + ' ')
self.assertEqual(s, timeit.__doc__)

def test_main_verbose(self):
s = self.run_main(switches=['-v'])
Expand Down
28 changes: 15 additions & 13 deletions Lib/timeit.py
100755 → 100644
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Original file line number Diff line number Diff line change
@@ -1,5 +1,3 @@
#! /usr/bin/env python3

"""Tool for measuring execution time of small code snippets.

This module avoids a number of common traps for measuring execution
Expand Down Expand Up @@ -46,7 +44,6 @@
timeit(string, string) -> float
repeat(string, string) -> list
default_timer() -> float

"""

import gc
Expand Down Expand Up @@ -175,15 +172,20 @@ def timeit(self, number=default_number):
"""
it = itertools.repeat(None, number)
# XXX RUSTPYTHON TODO: gc module implementation
# gcold = gc.isenabled()
# gc.disable()
# try:
# timing = self.inner(it, self.timer)
# finally:
# if gcold:
# gc.enable()
# return timing
return self.inner(it, self.timer)
try:
gcold = gc.isenabled()
gc.disable()
except NotImplementedError:
gcold = False
try:
timing = self.inner(it, self.timer)
finally:
if gcold:
try:
gc.enable()
except NotImplementedError:
pass
return timing

def repeat(self, repeat=default_repeat, number=default_number):
"""Call timeit() a few times.
Expand Down Expand Up @@ -306,7 +308,7 @@ def main(args=None, *, _wrap_timer=None):
precision += 1
verbose += 1
if o in ("-h", "--help"):
print(__doc__, end=' ')
print(__doc__, end="")
return 0
setup = "\n".join(setup) or "pass"

Expand Down
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