[Python-bugs-list] [ python-Bugs-832535 ] Inconsitent line
numbering in traceback
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Fri Oct 31 14:41:49 EST 2003
Bugs item #832535, was opened at 2003-10-29 12:48
Message generated for change (Comment added) made by jemfinch
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=832535&group_id=5470
Category: IDLE
Group: Python 2.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Kirby Urner (urnerk)
Assigned to: Nobody/Anonymous (nobody)
Summary: Inconsitent line numbering in traceback
Initial Comment:
Transcript below documents the problem.
A traceback shows a line with no float() op, but
complains of a float op error.
I restart the shell, with no changes to the imported
module, and this time line 45 is correctly listed.
>>> reload(brawley)
<module 'brawley' from 'C:\Documents and
Settings\Kirby\My
Documents\FreeGeek\PythonicGeom\brawley.py'>
>>> brawley.test2()
elems: 3, 4, 5, 0.5, 'White',
sublist: 7,8,9]
['3', ' 4', ' 5', ' 0.5', " 'White'", ' ']
['3', ' 4', ' 5', ' 0.5', " 'White'"]
Traceback (most recent call last):
File "<pyshell#28>", line 1, in -toplevel-
brawley.test2()
File "C:\Documents and Settings\Kirby\My
Documents\FreeGeek\PythonicGeom\brawley.py", line
45, in test2
color = elems[-2]
ValueError: invalid literal for float(): 'White
>>> ================================
RESTART ================================
>>> import brawley
>>> brawley.test2()
elems: 3, 4, 5, 0.5, 'White',
sublist: 7,8,9]
['3', ' 4', ' 5', ' 0.5', " 'White'", ' ']
['3', ' 4', ' 5', ' 0.5', " 'White'"]
Traceback (most recent call last):
File "<pyshell#30>", line 1, in -toplevel-
brawley.test2()
File "C:\Documents and Settings\Kirby\My
Documents\FreeGeek\PythonicGeom\brawley.py", line
45, in test2
x,y,z,radius = [float(i) for i in elems[:-3].split(',')]
ValueError: invalid literal for float(): 'White
----------------------------------------------------------------------
Comment By: Jeremy Fincher (jemfinch)
Date: 2003-10-31 14:41
Message:
Logged In: YES
user_id=99508
Yeah, this is definitely the linecache problem. Is there a
good reason why reload doesn't do a linecache.checkcache
itself? I really doubt reload is being called inside
performance-sensitive code.
----------------------------------------------------------------------
Comment By: Michael Hudson (mwh)
Date: 2003-10-29 13:02
Message:
Logged In: YES
user_id=6656
Is this the hoary old "being lied to by linecache" thing? I
complain about that every now and again, but haven't
actually done anything about it yet...
----------------------------------------------------------------------
Comment By: Kirby Urner (urnerk)
Date: 2003-10-29 12:56
Message:
Logged In: YES
user_id=191709
It's a little more serious. After a save/reload, the traceback
will echo code that's no longer present in the source at all.
Traceback (most recent call last):
File "<pyshell#34>", line 1, in -toplevel-
brawley.test2()
File "C:\Documents and Settings\Kirby\My
Documents\FreeGeek\PythonicGeom\brawley.py", line 45, in
test2
x,y,z,radius = [float(i) for i in elems[:-3].split(',')]
ValueError: invalid literal for float(): 'White'
But line 45 in the saved/reloaded source is really:
x,y,z,radius = [float(i) for i in elems.split(',')[:-1]]
When I restart the shell and import, the real source code is
echoed.
----------------------------------------------------------------------
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