On 04.01.2021 15:45, Chris Angelico wrote:
> On Tue, Jan 5, 2021 at 1:42 AM Abdur-Rahmaan Janhangeer
> <arj.pyt...@gmail.com> wrote:
>>
>> Greetings list,
>>
>> put simply,
>>
>> be able to use
>>
>> $ python -m venv venv_name activate
>>
>> To activate an env instead of having each platform have a way of
>> handling it
>>
>
> Unfortunately, that wouldn't work. Activating a virtual environment
> means setting some env vars in the current shell, and Python is
> fundamentally unable to do that - it can only be done within the shell
> itself (by sourcing a script).
>
> You can, of course, simply run the Python executable from that venv,
> but activation is *by its nature* a shell feature, and will differ by
> shell.
Something that would work is using the ssh-agent approach to
output shell commands which configure the environment:
# For bash et al:
`python3 -c "print('export TEST=1')"`
A new command:
`python3 -m venv activate myenv bash`
could do the trick.
Of course, venv itself could also create the necessary
shell files in the bin/ dir. You'd then just need to
run:
source myenv/bin/activate.sh
(this is how virtualenv does this)
--
Marc-Andre Lemburg
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