On Mon, Dec 28, 2009 at 6:16 AM, Tres Seaver <tseaver@palladion.com> wrote:
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Terry Reedy wrote:
On 12/27/2009 7:48 PM, Antoine Pitrou wrote:
Tarek Ziadé<ziade.tarek<at> gmail.com> writes:
This was ambiguous because it was unclear, as MvL stated, if "2.5" was just "2.5.0" or included versions like "2.5.1" or "2.5.2". How about having "2.5" match all 2.5.x versions, and "2.5.0" match only 2.5 itself? (ditto for "2.5.N" matching only 2.5.N for N>= 1)
If the first x.y release were called x.y.0, (does not sys.version include 0?) then x.y would unambiguously mean the series.
This syntax is not just for the 'Requires-Python:' field, but also for the 'Requires-Dist:' and 'Obsoletes-Dist:' fields: not all third-party packages call the first release of a given series .0.
They do start with "2.5" *or* "2.5.0" for their first release of the 2.5 series. And both are equal for PEP 386. IOW "2.5 == 2.5.0", always. So it doesn't really matter if some projects don't use the terminal 0 here. Antoine's proposal still works. Tarek