Message 130254 - Python tracker

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In-reply-to
Author	amaury.forgeotdarc
Recipients	amaury.forgeotdarc, piranna
Date	2011年03月07日.12:46:17
SpamBayes Score	0.00016054841
Marked as misclassified	No
Message-id	<1299501977.81.0.600634348298.issue11415@psf.upfronthosting.co.za>

Content
> Luckily, extracting one of them just get only the more recent one It's not only luck: a Zip file has a "central directory" used to retrieve data. ZipFile just appends the new file data to the end of the Zip file, then write the updated directory structure. Removing the old content is another matter, and is similar to issue6818. This requires a whole copy of the zip file, and so far, no acceptable patch was proposed.

Content

> Luckily, extracting one of them just get only the more recent one
It's not only luck: a Zip file has a "central directory" used to retrieve data. ZipFile just appends the new file data to the end of the Zip file, then write the updated directory structure.
Removing the old content is another matter, and is similar to issue6818.
This requires a whole copy of the zip file, and so far, no acceptable patch was proposed.

History
Date	User	Action	Args
2011年03月07日 12:46:17	amaury.forgeotdarc	set	recipients: + amaury.forgeotdarc, piranna
2011年03月07日 12:46:17	amaury.forgeotdarc	set	messageid: <1299501977.81.0.600634348298.issue11415@psf.upfronthosting.co.za>
2011年03月07日 12:46:17	amaury.forgeotdarc	link	issue11415 messages
2011年03月07日 12:46:17	amaury.forgeotdarc	create

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