On Thu, 10 Jan 2013, Fowler, Trent wrote:
I am running Windows 7 and I've installed two versions of python, 3.3 and 2.7.
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. Since I coded in 3.3 this caused some
issues.
I was able to fix this by right clicking the script icon, browsing programs,
navigating to the python 3.3 file in my C: drive, and selecting the idle inside
that directory. But then I found I wasn't able to run those scripts with python
2.7 using the exact same procedure.
Unfortunately I don't know command-line programming very much at all, and it
seemed like most of what I've seen online is geared towards that as a solution.
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.
I basically have this same setup. To make things work for me, I do this:
- Go to your Python 2 directory ( probably C:\Python2.7> ) and rename
python.exe to python2.exe and pythonw.exe to pythonw2.exe
- Make sure that both your Python 2 directory and Python 3 directories are on
your path. You do this by opening the Start Menu and typing "Path" - then hit
enter. You should have an environment variable called PATH - if not, create a
new one. You'll want to make sure that you have the paths to Python 3 and 2
in there. Assuming you've got C:\Python3.3> and C:\Python2.7>, you'd want to
have a path that contains C:\Python3.3;C:\Python2.7;
Now if you run a python script from cmd or powershell you should be able to do:
C:\some\path> python2 a_matplot_program.py
HTH,
Wayne
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