[Python-Dev] 3.2.1 encoding surprise

Glenn Linderman v+python at g.nevcal.com
Thu Jul 21 22:05:45 CEST 2011


On 7/21/2011 8:20 AM, Michael Foord wrote:
> On 21/07/2011 15:43, Paul Moore wrote:
>> On 21 July 2011 09:13, Glenn Linderman<v+python at g.nevcal.com>  wrote:
>>> Certainly when the launcher is invoked via an association, this would
>>> be the case.  However, when the launcher is invoked via the command
>>> line, then the unqualified name is passed through.  To be useful from
>>> the command line, the launcher should walk the PATH to find the .py 
>>> file.
>> It's equally as arguable (and would match my expectations much more
>> closely) that "py a_file.py" should do whatever "python a_file.py"
>> would do. So path search in that context would only be reasonable if
>> it were a Python feature rather than a feature of the launcher.
>>
>> This is what the launcher currently does (so I guess it's not
>> surprising that I'm happy with the current behaviour).
>>
>> I can see the benefits of path search, but I'd want it to be a Python
>> feature (and hence inherited "for free" by the launcher) and not a
>> launcher-only one.
>
> What he said ^^. (+1)
>
> py launcher and python binaries behaving differently in this regard 
> would be a recipe for confusion and hard to debug problems. 

I see the point.  Although the incremental benefit is higher to Windows 
users, and although we are creating a Windows-only piece of code that 
could be the vehicle for adding the functionality, it would be 
beneficial for all platforms, and a common implementation would serve 
that need better.
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