Activate a Conda Environment in Python Script

Question

I'm converting a shell script to Python and I'm searching for a way to activate and deactivate a conda environment programmatically in Python. I've looked through the Conda code on Github and haven't been able to find a good solution.

I need the environment to be activated so that I can run multiple statements in it. For example:

source activate my_env
easy_install numpy 
backup_db
initialize_db
source deactivate

I'm having no luck using subprocess. :-(

are you trying to activate the environment from within a Python script or as part of a bash script? — James
– James, Commented Aug 22, 2017 at 0:23
@James I'm trying to activate the environment with the Python script. — William Hill
– William Hill, Commented Aug 22, 2017 at 5:53
If you are trying to have the script switch to a new environment and then continue execution, that is not possible as each environment is isolated. Each environment uses it's own kernel, so switching to a new environment necessitates starting up a new Python kernel which knows nothing about the previous computation in the script. — James
– James, Commented Aug 22, 2017 at 12:26

tisaconundrum · Accepted Answer · 2017-08-22 00:01:00Z

1

A round-a-bout way of doing it, but couldn't you have python just call the script directly?

Refer to this question on how to do that

Run a .bat file using python code

answered Aug 22, 2017 at 0:01

tisaconundrum

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William Hill Over a year ago

That would probably be my fallback plan as I would still have to extract the function and the associated variables to a different file. Thanks for idea though.

EakzIT · Accepted Answer · 2020-04-18 19:44:45Z

1

Linux. Was trying to create bash script to run python function from my app with test environment specifications.

#!/bin/bash

conda run -n test python -c 'from otp import Qod; Qod()';

If you have python script not in the same directory you can add sys.path absolute or relative. Planning to upgrade this script bash automation

answered Apr 18, 2020 at 19:44

EakzIT

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