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Mon Mar 7 21:09:21 CET 2011 · https://mail.python.org/pipermail/python-dev/2011-March/108922.html

On 07/03/2011 05:19, Mark Hammond wrote:
> [snip...]
>> (B) declare the Python version in the content of the script file. This
>> cures most of the ripple effects of the above, but requires a "launcher"
>> or "wrapper" program to be designed, implemented, and installed. There
>> are a variety of subsolutions for different ways of declaring the 
>> version.
>
> <snip a few options>
>
> Without putting too much thought into it, I think a simple scheme 
> could work where the path must either be "/usr/bin/python[23]?" or a 
> fully-qualified path to a Python executable.  IIUC, this should allow 
> most scripts to have a shebang line that "does the right thing" on 
> *nix and Windows systems while still offering maximum flexibility on 
> Windows.
>

"/usr/bin/env python" is popular too, and it would be nice to support 
the new aliases (or binaries) being created by the pep (python2 / python3).

Michael

>> By default, for Python, the wrapper would get associated only with .py
>> files.
>
> There would probably also need to be the same for ".pyw", but it would 
> be almost identical to the .py handling.
>
> Cheers,
>
> Mark
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Showing content from https://mail.python.org/pipermail/python-dev/2011-March/108922.html below:

[Python-Dev] [PEPs] Support the /usr/bin/python2 symlink upstream