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Re: Coexistence of Python 2.x and 3.x on same OS

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From Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject Re: Coexistence of Python 2.x and 3.x on same OS
Date Fri, 05 Oct 2012 17:32:32 -0400
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On Fri, 05 Oct 2012 08:15:30 -0400, Edward Diener
<eldiener@tropicsoft.invalid> declaimed the following in
gmane.comp.python.general:

> 
> Windows installs of Python do not distinguish releases by Pythonx(.x) 
> but just install different versions of Python in different directories. 

	Really? 

E:\Python27>dir
 Volume in drive E is Data
 Volume Serial Number is 2626-D991

 Directory of E:\Python27

08/28/2012  05:32 PM    <DIR>          .
08/28/2012  05:32 PM    <DIR>          ..
08/28/2012  02:11 PM    <DIR>          DLLs
08/28/2012  05:43 PM    <DIR>          Doc
08/28/2012  02:11 PM    <DIR>          include
08/31/2012  04:58 PM    <DIR>          Lib
08/28/2012  02:11 PM    <DIR>          libs
08/28/2012  02:15 PM           108,255 matplotlib-wininst.log
08/28/2012  02:18 PM             4,169 MySQL-python-wininst.log
08/28/2012  02:15 PM            98,498 numpy-wininst.log
08/28/2012  02:20 PM            17,816 PIL-wininst.log
08/28/2012  03:29 PM             1,572 PyOpenGL-accelerate-wininst.log
08/28/2012  03:38 PM             3,009 pyserial-wininst.log

06/24/2011  12:38 PM            27,136 python.exe		****
06/24/2011  12:38 PM            27,136 python2.7.exe	****
06/24/2011  12:38 PM            27,136 python2.exe	****

08/28/2012  05:32 PM            90,943 PythonCard-wininst.log

06/24/2011  12:38 PM            27,136 pythonw.exe	****
06/24/2011  12:38 PM            27,136 pythonw2.7.exe	****
06/24/2011  12:38 PM            27,136 pythonw2.exe	****

08/28/2012  02:15 PM           196,096 Removematplotlib.exe
08/28/2012  02:18 PM           196,096 RemoveMySQL-python.exe
08/28/2012  02:15 PM           196,096 Removenumpy.exe
08/28/2012  02:20 PM           196,096 RemovePIL.exe
08/28/2012  03:29 PM           196,096 RemovePyOpenGL-accelerate.exe
08/28/2012  03:38 PM           196,096 Removepyserial.exe
08/28/2012  05:32 PM            61,440 RemovePythonCard.exe
08/28/2012  02:20 PM           196,096 Removereportlab.exe
08/28/2012  02:19 PM           196,096 Removescipy.exe
08/28/2012  05:29 PM           196,096 RemoveWConio.exe
08/28/2012  02:20 PM            40,362 reportlab-wininst.log
08/28/2012  02:19 PM           159,420 scipy-wininst.log
08/28/2012  05:32 PM    <DIR>          Scripts
08/28/2012  02:11 PM    <DIR>          tcl
08/28/2012  02:11 PM    <DIR>          Tools
11/28/2007  04:32 PM           258,352 unicows.dll
06/24/2011  12:38 PM            49,664 w9xpopen.exe
08/28/2012  05:29 PM               891 WConio-wininst.log
              28 File(s)      2,822,071 bytes
              10 Dir(s)  148,557,684,736 bytes free

E:\Python27>

	That's what was set up by a recent ActiveState installer (well,
recent for me -- I'd still been using 2.5 three months ago)

	Yes, it IS in a version numbered directory, but there are copies of
the executable named as plain python, pythonX, and pythonX.Y

E:\Python27>cd %homepath%

E:\UserData\Wulfraed\My Documents>python
ActivePython 2.7.2.5 (ActiveState Software Inc.) based on
Python 2.7.2 (default, Jun 24 2011, 12:21:10) [MSC v.1500 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> ^Z


E:\UserData\Wulfraed\My Documents>python2.7
ActivePython 2.7.2.5 (ActiveState Software Inc.) based on
Python 2.7.2 (default, Jun 24 2011, 12:21:10) [MSC v.1500 32 bit
(Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>

	Granted, one would need to have each installation directory in the
PATH, ordered such that the preferred version would be found first when
using just "python".
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
        wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/

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Thread

Coexistence of Python 2.x and 3.x on same OS Edward Diener <eldiener@tropicsoft.invalid> - 2012-09-30 15:14 -0400
  Re: Coexistence of Python 2.x and 3.x on same OS Andrew Berg <bahamutzero8825@gmail.com> - 2012-09-30 14:38 -0500
    Re: Coexistence of Python 2.x and 3.x on same OS Edward Diener <eldiener@tropicsoft.invalid> - 2012-09-30 23:06 -0400
      Re: Coexistence of Python 2.x and 3.x on same OS Andrew Berg <bahamutzero8825@gmail.com> - 2012-09-30 22:54 -0500
      Re: Coexistence of Python 2.x and 3.x on same OS Dave Angel <d@davea.name> - 2012-09-30 23:55 -0400
      Re: Coexistence of Python 2.x and 3.x on same OS Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-01 09:28 +0100
      Re: Coexistence of Python 2.x and 3.x on same OS Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-10-01 13:32 -0400
        Re: Coexistence of Python 2.x and 3.x on same OS Edward Diener <eldiener@tropicsoft.invalid> - 2012-10-05 08:06 -0400
      Re: Coexistence of Python 2.x and 3.x on same OS David Robinow <drobinow@gmail.com> - 2012-10-01 15:36 -0400
      Re: Coexistence of Python 2.x and 3.x on same OS Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-01 20:46 +0100
    Re: Coexistence of Python 2.x and 3.x on same OS Edward Diener <eldiener@tropicsoft.invalid> - 2012-10-05 08:16 -0400
  Re: Coexistence of Python 2.x and 3.x on same OS Alister <alister.ware@ntlworld.com> - 2012-10-01 16:02 +0000
    Re: Coexistence of Python 2.x and 3.x on same OS Edward Diener <eldiener@tropicsoft.invalid> - 2012-10-05 08:15 -0400
      Re: Coexistence of Python 2.x and 3.x on same OS Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-05 13:29 +0100
      Re: Coexistence of Python 2.x and 3.x on same OS Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2012-10-05 17:32 -0400
        Re: Coexistence of Python 2.x and 3.x on same OS Edward Diener <eldiener@tropicsoft.invalid> - 2012-10-05 20:51 -0400
  Re: Coexistence of Python 2.x and 3.x on same OS wxjmfauth@gmail.com - 2012-10-06 00:27 -0700
    Re: Coexistence of Python 2.x and 3.x on same OS Ian Kelly <ian.g.kelly@gmail.com> - 2012-10-06 21:13 -0600

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