[Python-Dev] Proposing PEP 345 : Metadata for Python Software Packages 1.2

MRAB python at mrabarnett.plus.com
Tue Dec 29 00:48:20 CET 2009

Antoine Pitrou wrote:
> David Lyon <david.lyon <at> preisshare.net> writes:
>> Requires a particular python version.
>>   > Requires-Python: 2.5:2.7
> Why not drop ranges as well as operators and simply use commas?
> The above would be rewritten as:
> Requires-Python: 2.5, 2.6, 2.7
> This would prevent the ambiguity on the inclusive or exclusive nature of the
> upper bound of the range.
That would mean that commas mean "and" for some entries but "or" for

> You might argue that if you want to include 8 versions of Python this makes the
> notation slightly longer, but who tests their package with 8 different versions
> of Python?
> (and if you don't test exhaustively, just use the "2.5+" notation)
Wouldn't "2.5+" include "3"? How often would that be used, considering
the differences between Python 2.x and Python 3.x?

More information about the Python-Dev mailing list