# Environment variables are best practice for securing credentials in Python,
# you can use them either with builtin os library (enough for small number of
# credentials) or the dotenv library which would be good for handling a larger
# number of credentials.

####################
## credentials.py ##
####################
import os

def export_credentials():
    os.environ['username'] = 'client_username'
    os.environ['password'] = 'secret_password'

###############
## script.py ##
###############
from credentials import export_credentials
import os

export_credentials()

# The following code retrieves your credentials and has an added bonus of
# throwing an error if either is not set
username = os.environ.get('username')
password = os.environ.get('password')

##########################################
## .gitignore (if you are using Github) ##
##########################################
credentials.py # This line keeps the credentials file from being committed to source control