Can't use Python Launcher on Windows after update to 3.5

Mark Lawrence breamoreboy at yahoo.co.uk
Mon Sep 14 00:46:37 CEST 2015


On 10/09/2015 16:56, Mark Lawrence wrote:
> On 10/09/2015 11:20, Tim Golden wrote:
>> On 10/09/2015 00:52, Mark Lawrence wrote:
>>> I've installed 3.5 for all users so it's in C:\Program Files
>>>
>>> From
>>> https://docs.python.org/3.5/using/windows.html#from-the-command-line it
>>> says "System-wide installations of Python 3.3 and later will put the
>>> launcher on your PATH. The launcher is compatible with all available
>>> versions of Python, so it does not matter which version is installed. To
>>> check that the launcher is available, execute the following command in
>>> Command Prompt:", but:-
>>>
>>> C:\Users\Mark\Documents\MyPython>py -3.4
>>> 'py' is not recognized as an internal or external command,
>>> operable program or batch file.
>>>
>>> Further running ftype shows nothing for Python, assoc just gives this
>>> .pyproj=VisualStudio.Launcher.pyproj.14.0.  Surely this is wrong?
>>>
>>> Before I go to the bug tracker to raise an issue could somebody please
>>> confirm what I'm seeing, thanks.
>>>
>>
>> Well I've just installed 64-bit 3.5.0rc4 via the web installer (ie this:
>> https://www.python.org/ftp/python/3.5.0/python-3.5.0rc4-amd64-webinstall.exe)
>>
>> onto a machine with 64-bit 3.4.2 already installed. I went for the
>> default install.
>>
>> It all seems to be ok and py -3.4 --version gives  me "Python 3.4.2" as
>> expected. assoc/ftype both look ok. c:\windows\py.exe has the versions &
>> dates I expect.
>>
>> TJG
>>
>
> So I ran the 64-bit 3.5.0rc4 via the web installer and still no joy. Ran
> repair with same and it's business as usual.  I'm not that bothered,
> it's here for the record should anybody else come searching, so chalk it
> up to experience and move on.  Thanks anyway :)
>

Exactly the same thing happened when I upgraded to 3.5.0. so raised 
http://bugs.python.org/issue25089 just in case it hurts other people 
more than it hurts me.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence



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