Read `.env` file to environment in Python

load_env.py

# Usage:
# load_env(path = ".env")
# API_KEY = os.getenv('API_KEY', 'some-secret')

import os

def load_env(path: str) -> None:
    """
    Function for loading .env file for secret API keys etc. and write them to the global enviroment
    I have the .env file located in the top ws dir, but could be anywhere. Gets rid of dotenv dependency
    """
    if not os.path.exists(path):
        print(f"Warning: Couldn't locate ENV file at '{path}', no environment variables will be set")
        return 
    with open(path, 'r') as fh:
        vars_dict = dict(
            tuple(line.replace('\n', '').split('=')) for line in fh.readlines() if not line.startswith('#')
        )
        os.environ.update(vars_dict)