[Python-Dev] PEP 4XX: pyzaa "Improving Python ZIP Application Support"

Stephen J. Turnbull stephen at xemacs.org
Sat May 4 07:13:01 CEST 2013

Steven D'Aprano writes:

 > > Rather than risk obscure bugs, I would suggest restricting the extensions
 > > to 3 characters. For the “Windowed Python ZIP Applications” case, could we
 > > use .pzw as the extension instead of .pyzw?


 > Many official Microsoft file extensions are four or more letters,
 > e.g. docx.

Give us a non-MS example, please.  Nobody in their right mind would
clash with a major MS product's naming conventions.  Not even if their
file format implements Digital-Ocular Coordination eXtensions.  And a
shell that borks the Borg's extensions won't make it in the market.

 > I don't see any value in making long-lasting decisions
 > on file extensions based on (transient?) bugs that aren't our
 > responsibility.

Getting these associations right is worth *something* to Python.  I'm
not in a position to say more than "it's positive".  But I don't see
why we really care about what the file extensions are as long as they
serve the purpose of making it easy to figure out which files are in
what format in a names-only list.

I have to admit that "Windowed Python ZIP Application" is probably
something I personally will only ever consider as an hypothesis,

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