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| From | Ben Finney <ben+python@benfinney.id.au> |
| Subject | Use ‘python2’ or ‘python3’, explicit is better than implicit (was: l = range(int(1E9))) |
| Date | Fri, 01 May 2015 09:19:57 +1000 |
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Chris Angelico <rosuav@gmail.com> writes: > Very easily and simply: Python 3 and Python 2 will always install > separately, and the only possible conflicts are over the "python" > command in PATH and which program is associated with ".py" files. Using the ‘python’ command is now ambiguous, and with Python 2 slipping inexorably into the past, increasingly the ‘python’ command is the wrong choice for Python programs that we want to survive in the future. I am seeing a growing call, with which I agree, to recommend explicitly calling ‘python2’ or ‘python3’ as commands. That includes when we type it for direct one-time invocation, or when we set it as the command for automatic execution of a program (e.g. in the “shebang” line of a program). Use the command ‘python2’ or ‘python3’ to be explicit about which Python version you intend to run. Legacy programs will continue to work, and code targeting Python 3 will not accidentally get an incompatible Python 2 interpreter. -- \ “I don't want to live peacefully with difficult realities, and | `\ I see no virtue in savoring excuses for avoiding a search for | _o__) real answers.” —Paul Z. Myers, 2009-09-12 | Ben Finney
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l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-04-30 18:06 +0200
Re: l = range(int(1E9)) Grant Edwards <invalid@invalid.invalid> - 2015-04-30 16:33 +0000
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-04-30 19:26 +0200
Re: l = range(int(1E9)) Ben Finney <ben+python@benfinney.id.au> - 2015-05-01 03:41 +1000
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-04-30 20:44 +0200
Re: l = range(int(1E9)) Roel Schroeven <roel@roelschroeven.net> - 2015-04-30 21:40 +0200
Re: l = range(int(1E9)) Jon Ribbens <jon+usenet@unequivocal.co.uk> - 2015-04-30 16:55 +0000
Re: l = range(int(1E9)) Ben Finney <ben+python@benfinney.id.au> - 2015-05-01 03:20 +1000
Re: l = range(int(1E9)) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-01 15:20 +1000
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-05-01 08:08 +0200
Re: l = range(int(1E9)) BartC <bc@freeuk.com> - 2015-05-02 16:26 +0100
Re: l = range(int(1E9)) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-02 16:40 +0100
Re: l = range(int(1E9)) BartC <bc@freeuk.com> - 2015-05-02 17:17 +0100
Re: l = range(int(1E9)) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-02 17:39 +0100
Re: l = range(int(1E9)) BartC <bc@freeuk.com> - 2015-05-02 19:34 +0100
Re: l = range(int(1E9)) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-02 20:15 +0100
Re: l = range(int(1E9)) Marko Rauhamaa <marko@pacujo.net> - 2015-05-02 22:26 +0300
Re: l = range(int(1E9)) BartC <bc@freeuk.com> - 2015-05-02 20:51 +0100
Re: l = range(int(1E9)) Joel Goldstick <joel.goldstick@gmail.com> - 2015-05-02 17:21 -0400
Re: l = range(int(1E9)) Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-02 15:31 -0600
Re: l = range(int(1E9)) Jon Ribbens <jon+usenet@unequivocal.co.uk> - 2015-05-02 21:40 +0000
Re: l = range(int(1E9)) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-02 23:26 +0100
Re: l = range(int(1E9)) BartC <bc@freeuk.com> - 2015-05-02 23:33 +0100
Re: l = range(int(1E9)) Jon Ribbens <jon+usenet@unequivocal.co.uk> - 2015-05-03 00:13 +0000
Re: l = range(int(1E9)) Michael Torrie <torriem@gmail.com> - 2015-05-02 20:07 -0600
Re: l = range(int(1E9)) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-03 03:16 +0100
Re: l = range(int(1E9)) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-03 21:16 +1000
Re: l = range(int(1E9)) Chris Angelico <rosuav@gmail.com> - 2015-05-03 21:30 +1000
Re: l = range(int(1E9)) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-03 19:36 +0100
Re: l = range(int(1E9)) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-03 21:15 +1000
Re: l = range(int(1E9)) Chris Angelico <rosuav@gmail.com> - 2015-05-03 21:29 +1000
Re: l = range(int(1E9)) Terry Reedy <tjreedy@udel.edu> - 2015-05-02 19:26 -0400
Re: l = range(int(1E9)) Jon Ribbens <jon+usenet@unequivocal.co.uk> - 2015-05-03 00:01 +0000
Re: l = range(int(1E9)) Terry Reedy <tjreedy@udel.edu> - 2015-05-02 23:18 -0400
Re: l = range(int(1E9)) Jon Ribbens <jon+usenet@unequivocal.co.uk> - 2015-05-03 03:40 +0000
Re: l = range(int(1E9)) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-03 21:05 +1000
Re: l = range(int(1E9)) Terry Reedy <tjreedy@udel.edu> - 2015-05-02 19:51 -0400
Re: l = range(int(1E9)) Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-02 22:51 -0600
Re: l = range(int(1E9)) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-03 21:21 +1000
Re: l = range(int(1E9)) Marko Rauhamaa <marko@pacujo.net> - 2015-05-02 22:15 +0300
Re: l = range(int(1E9)) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-03 20:32 +1000
Re: l = range(int(1E9)) Chris Angelico <rosuav@gmail.com> - 2015-05-03 20:59 +1000
Re: l = range(int(1E9)) Terry Reedy <tjreedy@udel.edu> - 2015-05-02 18:41 -0400
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-04-30 19:28 +0200
Re: l = range(int(1E9)) Terry Reedy <tjreedy@udel.edu> - 2015-04-30 13:02 -0400
Re: l = range(int(1E9)) Gary Herron <gherron@digipen.edu> - 2015-04-30 10:05 -0700
Re: l = range(int(1E9)) Rob Gaddi <rgaddi@technologyhighland.invalid> - 2015-04-30 17:12 +0000
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-04-30 20:50 +0200
Re: l = range(int(1E9)) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-04-30 21:53 +0100
Re: l = range(int(1E9)) ElChino <elchino@cnn.cn> - 2015-04-30 23:23 +0200
Re: l = range(int(1E9)) Chris Angelico <rosuav@gmail.com> - 2015-05-01 08:45 +1000
Re: l = range(int(1E9)) ElChino <elchino@cnn.cn> - 2015-05-01 01:03 +0200
Re: l = range(int(1E9)) Ben Finney <ben+python@benfinney.id.au> - 2015-05-01 09:12 +1000
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-05-01 07:04 +0200
Re: l = range(int(1E9)) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-05-01 13:15 +0200
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-05-01 14:22 +0200
Re: l = range(int(1E9)) Terry Reedy <tjreedy@udel.edu> - 2015-05-01 22:00 -0400
Use ‘python2’ or ‘python3’, explicit is better than implicit (was: l = range(int(1E9))) Ben Finney <ben+python@benfinney.id.au> - 2015-05-01 09:19 +1000
Re: Use 'python2' or 'python3', explicit is better than implicit (was: l = range(int(1E9))) Rustom Mody <rustompmody@gmail.com> - 2015-04-30 19:24 -0700
Re: l = range(int(1E9)) Chris Angelico <rosuav@gmail.com> - 2015-05-01 09:23 +1000
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-05-01 06:19 +0200
Re: l = range(int(1E9)) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-01 05:41 +0100
Re: l = range(int(1E9)) Michael Torrie <torriem@gmail.com> - 2015-05-01 07:25 -0600
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-05-01 16:12 +0200
Re: l = range(int(1E9)) Gisle Vanem <gvanem@yahoo.no> - 2015-04-30 20:23 +0200
Re: l = range(int(1E9)) alister <alister.nospam.ware@ntlworld.com> - 2015-04-30 18:48 +0000
Re: l = range(int(1E9)) Dave Angel <davea@davea.name> - 2015-04-30 14:59 -0400
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-04-30 22:18 +0200
Re: l = range(int(1E9)) Tim Chase <python.list@tim.thechases.com> - 2015-04-30 16:41 -0500
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-05-01 07:19 +0200
Re: l = range(int(1E9)) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-01 14:42 +1000
Re: l = range(int(1E9)) Cecil Westerhof <Cecil@decebal.nl> - 2015-05-01 07:13 +0200
Re: l = range(int(1E9)) Tony the Tiger <tony@tiger.invalid> - 2015-05-02 21:28 +0000
Re: l = range(int(1E9)) Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-02 15:32 -0600
Re: l = range(int(1E9)) Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-03 20:56 +1000
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