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Created on 2008-01-17 13:26 by tzot, last changed 2022-04-11 14:56 by admin. This issue is now closed.
| Files | ||||
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| File name | Uploaded | Description | Edit | |
| test_tb_print_last.py | tzot, 2008-01-17 13:26 | A test displaying the bad behaviour | ||
| traceback_patch.diff | tzot, 2008-01-17 13:42 | Patch for traceback.print_last() | ||
| Messages (3) | |||
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| msg60028 - (view) | Author: Χρήστος Γεωργίου (Christos Georgiou) (tzot) * | Date: 2008-01-17 13:26 | |
traceback.print_last() depends on the existence of sys.last_type, sys.last_value, sys.last_traceback, which don't always exist when called. See attached example file. I will shortly send the patch for Lib/traceback.py |
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| msg60029 - (view) | Author: Χρήστος Γεωργίου (Christos Georgiou) (tzot) * | Date: 2008-01-17 13:42 | |
I haven't submitted a patch since the transition from sf.net to bugs.python.org; I assume that I don't have to open a new patch for this, but if I have to, please let me know and I will gladly do it. The unified diff is attached; the test example I issued works with the patched version. |
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| msg60030 - (view) | Author: Amaury Forgeot d'Arc (amaury.forgeotdarc) *  |
Date: 2008-01-17 13:59 | |
> traceback.print_last() depends on the existence of sys.last_type
Yes, that is exactly as documented:
>>> help(traceback.print_last)
Help on function print_last in module traceback:
print_last(limit=None, file=None)
This is a shorthand for 'print_exception(sys.last_type,
sys.last_value, sys.last_traceback, limit, file)'.
Furthermore, in the doc:
http://docs.python.org/dev/library/sys.html#sys.last_type
"... they are set when an exception is not handled ..."
In your script, you *are* handling the exception.
Your script really should use traceback.print_exc() instead.
BTW, your patch basically makes print_last() identical to print_exc()...
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:56:29 | admin | set | github: 46168 |
| 2008-01-17 13:59:20 | amaury.forgeotdarc | set | status: open -> closed resolution: not a bug messages: + msg60030 nosy: + amaury.forgeotdarc |
| 2008-01-17 13:42:47 | tzot | set | files:
+ traceback_patch.diff messages: + msg60029 |
| 2008-01-17 13:26:57 | tzot | create | |