On Thu, Jan 10, 2013 at 11:34 AM, Fowler, Trent <fowle...@hendrix.edu> wrote:
>
> Python 3.3 was the first version I installed and I was able to run scripts
> from the desktop (not the command line). I installed python 2.7 so that
> I could get numpy, scipy, and matplotlib down the road, but I found that
> all the scripts on my desktop defaulted to python 2.7.
numpy, scipy, and matplotlib are available for Python 3.
3.3 includes launchers (py.exe and pyw.exe) that process UNIX-style
shebangs in order to run a script with a given version of Python,
provided it's available. These launchers should be installed in the
Windows directory (e.g. C:\Windows). Try reinstalling 3.3. Then open a
console and verify the following settings:
C:\>assoc .py
.py=Python.File
C:\>ftype Python.File
Python.File=C:\Windows\py.ex "%1" %*
C:\>assoc .pyw
.pyw=Python.NoConFile
C:\>ftype Python.NoConFile
Python.NoConFile="C:\Windows\pyw.exe" "%1" %*
> Ideally I'd like to specify which python I want to run a script from the
> desktop,
> or possibly while I'm editing the script.
Refer to PEP 397 and the docs for the launcher:
https://bitbucket.org/vinay.sajip/pylauncher/src/tip/Doc/launcher.rst
For example, it accepts common UNIX shebangs such as
#! /usr/bin/env python2
I think the launcher defaults to the latest 2.x if it's installed. If
you want a different default such as 3.3, edit py.ini in your
profile's AppData\Local folder. The following should open the file (or
create it) with notepad:
notepad %LOCALAPPDATA%\py.ini
Refer to the "Customization via INI files" section of the docs.
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