[Tutor] Python 3.5 installation beside Python 2.3 on Windows 7

2016-10-22 Thread Pierre-Michel Averseng 



Le 22/10/2016 à 20:00, tutor-requ...@python.org a écrit :

Python 3.5.2 Installaton Question (niraj pandey)
I already have Python 2.7.1 installed on my laptop. However, I now wish to
switch to Python 3.5.2, which is the latest release. My question is:


Do I have to completely uninstall Python 2.7.1 and then install Python
3.5.2? Or can I still install Python 3.5.2 keeping Python 2.7.1 untouched
on my laptop?
For Windows (including XP, Vista, 7, and 8), Python comes as a 
self-installer MSI
program file—simply double-click on its file icon, and answer Yes or 
Next at every
prompt to perform a default install. The default install includes 
Python’s docu-
mentation set and support for tkinter (Tkinter in Python 2.X) GUIs, 
shelve data-
bases, and the IDLE development GUI. Python 3.3 and 2.7 are normally 
installed

in the directories C:\Python33 and C:\Python27 though this can be changed at
install time.

Best RegardsPierre  Averseng  in South-Western Indian Ocean
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Re: [Tutor] Python 3.5 installation beside Python 2.3 on Windows 7

2016-10-22 Thread eryk sun 
On Sun, Oct 23, 2016 at 1:39 AM, Pierre-Michel Averseng
 wrote:
> Le 22/10/2016 à 20:00, tutor-requ...@python.org a écrit :
>
>> Do I have to completely uninstall Python 2.7.1 and then install Python
>> 3.5.2? Or can I still install Python 3.5.2 keeping Python 2.7.1 untouched
>> on my laptop?
>
> For Windows (including XP, Vista, 7, and 8), Python comes as a
> self-installer MSI program file—simply double-click on its file icon, and 
> answer
> Yes or Next at every prompt to perform a default install. The default install
> includes Python’s documentation set and support for tkinter (Tkinter in Python
> 2.X) GUIs, shelve databases, and the IDLE development GUI. Python 3.3 and
> 2.7 are normally installed in the directories C:\Python33 and C:\Python27
> though this can be changed at install time.

3.5 doesn't support Windows XP. It also switched to using executable
installers that are built using the WiX toolset. The web installer
downloads up to 22 MSI packages on demand. Even the 'offline'
installer has to download the MSIs for the debug binaries, since
they're not commonly installed and including them would make the
offline installer substantially larger.

Also, the default installation targets have changed to
"%ProgramFiles[(x86)]%\Python35[-32]" for all-users installs and
"%LocalAppData%\Programs\Python\Python35[-32]" for per-user installs.
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