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Date: Sat, 03 Jan 2015 03:41:41 +0000
From: James Scholes <james@jls-radio.com>
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To: Chris Angelico <rosuav@gmail.com>
Subject: Re: Command Line Inputs from Windows
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Chris Angelico wrote:
> The latter form is governed by the association. I don't know off-hand
> where that's set in the registry, but you should be able to poke
> around in folder settings to find it (but, thank you very much
> Microsoft, the exact menu path has changed a number of times between
> Win2K and Win8). On WinXP, if I have my test-box set up correctly,
> it's View, Folder Options, File Types, select the one for .py,
> Advanced, select "open", Edit.

As of Windows 7 (possibly Vista although don't quote me on that), this
functionality is no longer available.  You'll need to either edit the
registry directly or use a third party tool to manage filetypes and
their associated actions.
-- 
James Scholes
http://twitter.com/JamesScholes