On 07/24/2013 05:56 PM, Lennart Regebro wrote:
On Wed, Jul 24, 2013 at 3:54 PM, Lennart Regebro <rege...@gmail.com> wrote:
On Wed, Jul 24, 2013 at 11:12 AM, Bohuslav Kabrda <bkab...@redhat.com> wrote:
- Should we point /usr/bin/python to Python 3 when we make the move?
No.
To be more explicit. I think it's perfectly fine to not provide a
/usr/bin/python at all, but I think pointing it to Python 3 will
provide unhelpful error messages. Also having a /usr/bin/python that
does nothing but say "You should use either /usr/bin/python2 or
/usr/bin/python3" would work.
But pointing it to Python 3 will make for unhelpful and confusing
error messages for anyone having Python scripts using /usr/bin/python,
which is the majority of people having python scripts at all.
I guess that the underlying idea is to make the majority of python
scripts working with Python 3.
What about the following idea ?
- errors that are typical of "Python 2 script running with Python
3"-specific are probably limited (e.g., use of unicode, use of xrange,
etc...)
- /usr/bin/python could be a wrapper that tries to run it with Python 3
and display an informative message if the errors above are occurring
(e.g., "Python 3 is the current release, and this script might be
designed for the older Python 2 - please explicitly use python2 if you
need it"
- /usr/bin/python could issue a warning in any case about the need to be
explicit about python2/python3
//Lennart
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