Bugs item #1690103, was opened at 2007-03-28 14:05
Message generated for change (Comment added) made by montanaro
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Category: Python Library
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Skip Montanaro (montanaro)
Assigned to: Nobody/Anonymous (nobody)
Summary: trace module borks __file__
Initial Comment:
Stick this in a file (say, printfile.py):
print __file__
If I run it as "python printfile.py" using Python 2.4, 2.5 or 2.6 it prints as
expected, e.g.:
% python ~/tmp/printfile.py
/Users/skip/tmp/printfile.py
If, however, I run it under control of the trace module I get something
entirely different:
% python -m trace --count ~/tmp/printfile.py
/Users/skip/local/lib/python2.6/trace.py
% python -m trace --trace ~/tmp/printfile.py
--- modulename: threading, funcname: settrace
threading.py(70): _trace_hook = func
--- modulename: trace, funcname: <module>
<string>(1): --- modulename: trace, funcname: <module>
printfile.py(1): print __file__
/Users/skip/local/lib/python2.6/trace.py
Definitely looks buggy to me...
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>Comment By: Skip Montanaro (montanaro)
Date: 2007-03-28 15:38
Message:
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Hmmm... Maybe not so hard after all. See attached diff. Does anyone see
a problem with simply overwriting the trace module's __file__ attribute?
File Added: trace.diff
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Comment By: Skip Montanaro (montanaro)
Date: 2007-03-28 15:01
Message:
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I believe this is because the trace module calls execfile()
to run the file. I'm not sure if there's an easy fix for
this problem.
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