[Python-Dev] Request for Pronouncement: PEP 441 - Improving Python ZIP Application Support
Paul Moore
p.f.moore at gmail.com
Mon Feb 23 20:26:49 CET 2015
On 23 February 2015 at 19:22, Ethan Furman <ethan at stoneleaf.us> wrote:
> This could be a completely stupid question, but how does the zip file know where the individual files are? More to the
> point, does the index work via relative or absolute offset? If absolute, wouldn't the index have to be rewritten if the
> zip portion of the file moves?
Essentially the index is stored at the *end* of the file, and contains
relative offsets to all the files. Gory details at
https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT
Paul
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