On 1/14/2010 3:23 PM, Lie Ryan wrote:
On 01/14/10 22:21, luis wrote:
>
> Hi
>
> I am not an expert in programming and using Python for its simplicity
>
> I have 2 versions of python installed on my computer (windos xp) to
> begin the transition from version 2.4 to 2.6 or 3. maintaining the
> operability of my old scripts
>
> Is there any way to indicate the version of the python interpreter
> must use a script?
>
> thanks
On my Windows machine, I make a copy python.exe and rename it as
python25.exe, python26.exe, python3.exe, etc in their respective
directories. Then after setting up the PATH environment variable, you
can simply call python25, python3, etc from any directory in the command
prompt.
Lie, ActivePython does both of this during the installation --
pythonXY.exe and set PATH accordingly.
Luis, Distribute (a setuptools fork) has a feature called "entry points"
that will create exe wrappers for the specified Python script. These exe
wrappers use the #! line to determine the actual Python interpreter to
invoke.
http://packages.python.org/distribute/setuptools.html#automatic-script-creation
If your script is foo-script.py, foo.exe will ultimately read the first
line in foo-script.py which is #!C:\Python26\python.exe .. and that is
used to run the script. Task manager will show "foo.exe" instead of
"python.exe".
-srid
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