[Python-Dev] Downloads page: Which version of Python should be listed first?

Stephen J. Turnbull stephen at xemacs.org
Sat Dec 15 03:44:59 CET 2012

Devin Jeanpierre writes:

 > Until those numbers hit 100%, or until projects start dropping support
 > for Python 2.x, the statement would still be true.

This is simply not true.  Once the numbers hit somewhere in the
neighborhood of 50%, the network effects (the need to "connect" to the
more progressive projects) are going to rule, and "most projects" will
face strong pressure to adapt (which means providing Python 3 support,
*not* "dropping Python 2").  On the other hand, some projects will
never bother because they're completely standalone: you won't ever
reach 100%, and even 90% may not be necessary for the ecology to be
considered "fully adapted to Python 3".

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