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To: python-list@python.org
From: Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject: Re: Coexistence of Python 2.x and 3.x on same OS
Date: Mon, 01 Oct 2012 09:28:54 +0100
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On 01/10/2012 04:06, Edward Diener wrote:
> On 9/30/2012 3:38 PM, Andrew Berg wrote:
>> Unix-based OSes should already obey the shebang line, and on Windows,
>> there's py.exe in 3.3 that will launch the intended version based on
>> that shebang line.
>
> The problem with that is that one has to already being using 3.3 to use
> this facility. I was hoping for a solution which was backwards
> compatible with Python 2.x.
>

You don't need 3.3 to get py.exe.  I've been running it for months, it's 
available here https://bitbucket.org/vinay.sajip/pylauncher/downloads

-- 
Cheers.

Mark Lawrence.