how to set an environment variable value while calling a python script using bash in a single command

Question

I would like to execute a python file app.py like below:

python app.y

But I would like to pass to this file a new value = 'ok' for the env variable called 'training'.

How can I do this from shell with a single command?

Answer 1

I think the approach should be a little different:

1. set an environment variable: $ export training=ok
2. inside your Python script, read the environment variable:

import os

print(os.getenv('training'))

Another option would be to use parameters and parse them with something like argparse.