[issue46389] 3.11: unused generator comprehensions cause f_lineno==None

Change by Mark Shannon : -- stage: resolved -> ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46389] 3.11: unused generator comprehensions cause f_lineno==None

Change by Mark Shannon : -- resolution: -> fixed stage: -> resolved status: open -> closed ___ Python tracker ___ ___

[issue46389] 3.11: unused generator comprehensions cause f_lineno==None

Ned Batchelder added the comment: Yes, this is fixed, thanks. -- ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue46389] 3.11: unused generator comprehensions cause f_lineno==None

Mark Shannon added the comment: Ned, is this fixed for you now? -- ___ Python tracker ___ ___ Python-bugs-list mailing list

[issue46389] 3.11: unused generator comprehensions cause f_lineno==None

Mark Shannon added the comment: Stefan, f_lineno can be None for some opcodes, but there shouldn't be trace events if it is. E.g. >>> def f(): ... try: ... 1/0 ... finally: ... pass ... >>> list(f.__code__.co_lines()) [(0, 2, 1), (2, 4, 2), (4, 12, 3), (12, 16,

[issue46389] 3.11: unused generator comprehensions cause f_lineno==None

Stefan Behnel added the comment: Possibly also related, so I though I'd mention it here (sorry if this is hijacking the ticket, seems difficult to tell). We're also seeing None values in f_lineno in Cython's test suite with 3.11a5: File "", line 1, in run_trace(py_add, 1, 2)

[issue46389] 3.11: unused generator comprehensions cause f_lineno==None

Change by Mark Shannon : -- assignee: -> Mark.Shannon ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue46389] 3.11: unused generator comprehensions cause f_lineno==None

Mark Shannon added the comment: This has the same root cause as https://bugs.python.org/issue46374: closing the unused generator expression exposes the generator's frame before it has been initialized. -- ___ Python tracker

[issue46389] 3.11: unused generator comprehensions cause f_lineno==None

New submission from Ned Batchelder : In Python 3.11, unused generator comprehensions cause trace events with f_lineno set to None. %< - import linecache, sys def trace(frame, event, arg): # The weird globals here is to avoid a