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gh-137200: support frame lineno setter with BRANCH_LEFT and BRANCH_RIGHT events #137229

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Merged
merged 5 commits into from
Jul 31, 2025
Merged

gh-137200: support frame lineno setter with BRANCH_LEFT and BRANCH_RIGHT events #137229

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e8b3ec8
simple fix
xuantengh Jul 30, 2025
2e4db16
add test
xuantengh Jul 30, 2025
b49f95d
set lineno for frame 1
xuantengh Jul 31, 2025
d41cf78
Revert "set lineno for frame 1"
xuantengh Jul 31, 2025
b8e9f12
fix test
xuantengh Jul 31, 2025
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Revert "set lineno for frame 1" 
This reverts commit b49f95d.
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@xuantengh
xuantengh committed Jul 31, 2025
commit d41cf781db89933235f20a8dd051d4b20045fad4
14 changes: 4 additions & 10 deletions Lib/test/test_monitoring.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@
import collections
import dis
import functools
import inspect
import math
import operator
import sys
Expand Down Expand Up @@ -1718,15 +1717,10 @@ def func(s: str) -> int:
return 0

def callback(code, from_, to):
frame = inspect.currentframe()
while frame and frame.f_code is not code:
frame = frame.f_back

if frame:
self.assertIs(frame.f_code, code)
# try get and set frame.f_lineno
l = frame.f_lineno
frame.f_lineno = l
frame = sys._getframe(0)
old = frame.f_lineno
# try set frame.f_lineno
frame.f_lineno = frame.f_lineno

sys.monitoring.set_local_events(TEST_TOOL, func.__code__, E.BRANCH_LEFT)
sys.monitoring.register_callback(TEST_TOOL, E.BRANCH_LEFT, callback)
Expand Down