New submission from Mark Shannon <m...@hotpy.org>:
The logic for frame.f_lineno assumes that the internal C field will be updated
when f_trace is set, but that is incorrect.
Consequently, the following code
import sys
def print_line():
print(sys._getframe(1).f_lineno)
def test():
print_line()
sys._getframe(0).f_trace = True
print_line()
print_line()
test()
prints
7
8
8
it should print
7
9
10
Fixing this is required by PEP 626, but it should be fixed anyway.
----------
assignee: Mark.Shannon
messages: 384331
nosy: Mark.Shannon
priority: normal
severity: normal
status: open
title: Incorrect frame.f_lineno when frame.f_trace is set
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue42823>
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