Pros and cons of Python sources?

[Martin Schöön]

Den 2017-11-26 skrev Cameron Simpson <cs at cskk.id.au>:
> On 26Nov2017 10:00, nospam.Martin Schöön <martin.schoon at gmail.com> wrote:
>>
>>Hmm, I seem to remember not being able to install packages with pip unless I
>>did sudo pip.
>
> And this is exactly what I'm warning about. Many Linux users see some kind of 
> failure and just stick sudo on the front of the command. It is almost always 
> the wrong things to do, leading to effects in the OS install area instead of 
> being safely contained within one's home directory or work area.
>
> Instead of reaching straight for sudo, look at pip's manual or help. You will 
> find that:
>
>   pip install --user ...
>
> installs modules local to your home directory, avoiding troublesome installs 
> into the OS area.
>
Guilty as charged.

So, how do I restore order in my Python 2.7 installation? Uninstall
everything that looks, smells and tastes like Python 2.7 and then
re-install?

/Martin