Python Get Environment Variables
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https://able.bio/rhett/how-to-set-and-get-environment-variables-in-python--274rgt5
Making it harder
import os
# Set environment variables
os.environ['API_USER'] = 'username'
os.environ['API_PASSWORD'] = 'secret'
# Get environment variables
USER = os.getenv('API_USER')
PASSWORD = os.environ.get('API_PASSWORD')
# Getting non-existent keys
FOO = os.getenv('FOO') # None
BAR = os.environ.get('BAR') # None
BAZ = os.environ['BAZ'] # KeyError: key does not exist.
Make it easy with decouple
.env
USER=foo KEY=bar
script.py
from decouple import config
API_USERNAME = config('USER')
API_KEY = config('KEY')