Message 63083 - Python tracker

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Author	sdeibel
Recipients	sdeibel
Date	2008-02-27.21:47:38
SpamBayes Score	0.027595684
Marked as misclassified	No
Message-id	<1204148860.69.0.229152092841.issue2198@psf.upfronthosting.co.za>
In-reply-to

Content
The algorithm in code_hash() in codeobject.c can return the same hash value for different code objects. Presumably distinct code objects should be very unlikely to have the same hash value. This bug affected our debugger before we worked around it, and it could affect other things like profilers. Adding the co_filename to the hash would be one way to fix this but I'm not sure if that was purposely avoided in this code?

The algorithm in code_hash() in codeobject.c can return the same hash
value for different code objects.  

Presumably distinct code objects should be very unlikely to have the
same hash value.  This bug affected our debugger before we worked around
it, and it could affect other things like profilers.

Adding the co_filename to the hash would be one way to fix this but I'm
not sure if that was purposely avoided in this code?

History
Date	User	Action	Args
2008-02-27 21:47:41	sdeibel	set	spambayes_score: 0.0275957 -> 0.027595684 recipients: + sdeibel
2008-02-27 21:47:40	sdeibel	set	spambayes_score: 0.0275957 -> 0.0275957 messageid: <1204148860.69.0.229152092841.issue2198@psf.upfronthosting.co.za>
2008-02-27 21:47:39	sdeibel	link	issue2198 messages
2008-02-27 21:47:38	sdeibel	create