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Why do I need to use pip3 but not pip


Hello All,

Thanks I got it now.

One related question: Can I use pip3 for example to install packages project specific, but not globally? So that when I delete the project, all of them gone also from my disk. 

Thanks,

Arup Rakshit
ar at zeit.io



> On 30-Mar-2019, at 2:05 PM, Cameron Simpson <cs at cskk.id.au> wrote:
> 
> On 30Mar2019 13:50, Arup Rakshit <ar at zeit.io> wrote:
>> When I read this https://pip.pypa.io/en/stable/installing/ it says I have the pip installed when I installed the python from official doc. But when I run the `pip` command from shell, I get error, but pip3 works.
>> 
>> ~/python_playground
>> ? pip --version
>> 
>> zsh: command not found: pip
>> 
>> ~/python_playground                                                                                                                                           ?
>> ? pip3 --version
>> 
>> pip 18.1 from /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip (python 3.7)
> 
> Ok, you've installed python 3 on a Mac.
> 
> Historically most systems have shipped with python 2 (from the OS vendor, which is Apple in your case), and the "python" command invokes Python 2.  So python 3 is installed as the "python3" command to avoid confusion.  The "pip" command from your python 3 install looks like it is also installed as "pip3" to avoid confusion.
> 
>> Do I always need to install using pip3 program then?
> 
> Yes, that is correct for this particular install.
> 
> Cheers,
> Cameron Simpson <cs at cskk.id.au>
> -- 
> https://mail.python.org/mailman/listinfo/python-list