curious about python version numbers

2010-04-13 Thread Alex Hall
Hi all, I am just curious: if Python3.x is already out, why is 2.7 being released? Are there two main types of Python? Thanks. -- Have a great day, Alex (msg sent from GMail website) mehg...@gmail.com; http://www.facebook.com/mehgcap -- http://mail.python.org/mailman/listinfo/python-list

Re: curious about python version numbers

2010-04-13 Thread Xavier Ho
Hi Alex, It's because Python 3.x introduced a lot of backwards incompatibilities. Python 2.7 aims to bridge that gap, so many 3rd party libraries that depend on Python 2.x can transit onto Python 3.x better, as I understand. Cheers, Xav On Mon, Apr 12, 2010 at 12:52 PM, Alex Hall

Re: curious about python version numbers

2010-04-13 Thread Alf P. Steinbach
* Alex Hall: Hi all, I am just curious: if Python3.x is already out, why is 2.7 being released? Are there two main types of Python? Thanks. Old code and old programming habits may work as-is with 2.7 but not with a 3.x implementation. So yes, there are two main extant variants of Python,

Re: curious about python version numbers

2010-04-13 Thread Shashwat Anand
It is like releasing window Xp SP3 even if Vista is out. The problem is we should start using python 3.x but many application like django, twisted had not migrated yet. Hence this stuff to support 2.x . 2.7 is the last 2.x version, no more. On Tue, Apr 13, 2010 at 2:28 PM, Alf P. Steinbach

Re: curious about python version numbers

2010-04-13 Thread Ben Finney
Alex Hall mehg...@gmail.com writes: I am just curious: if Python3.x is already out, why is 2.7 being released? Are there two main types of Python? Python 3.x brings improvements that break backward compatibility: Python 3.0 (a.k.a. Python 3000 or Py3k) is a new version of the language

Re: curious about python version numbers

2010-04-13 Thread Alex Hall
Thanks, everyone, for the answers! I am still on 2.6 since so many packages rely on it. I got 3.1 at first, but I could not get much to work with it so I installed 2.6 and have only found one package which refuses to work, instead of a lot of them. On 4/13/10, Shashwat Anand

Re: curious about python version numbers

2010-04-13 Thread Terry Reedy
On 4/13/2010 9:54 AM, Alex Hall wrote: Thanks, everyone, for the answers! I am still on 2.6 since so many packages rely on it. I got 3.1 at first, but I could not get much to work with it so I installed 2.6 and have only found one package which refuses to work, instead of a lot of them. 2.7,