contrib env_gen.py just Python - contrib random - Create environment variables to use with settings of Django

env_gen.py

"""
Python SECRET_KEY generator.
"""
import random

chars = "abcdefghijklmnopqrstuvwxyz01234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ!?@#$%^&*()"
size = 50
secret_key = "".join(random.sample(chars, size))

chars = "abcdefghijklmnopqrstuvwxyz01234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ!?@#$%_"
size = 20
password = "".join(random.sample(chars, size))

CONFIG_STRING = """
DEBUG=True
SECRET_KEY=%s
ALLOWED_HOSTS=127.0.0.1,.localhost,0.0.0.0

#DATABASE_URL=postgres://USER:PASSWORD@HOST:PORT/NAME
#POSTGRES_DB=
#POSTGRES_USER=
#POSTGRES_PASSWORD=%s
#DB_HOST=localhost

#DEFAULT_FROM_EMAIL=
#EMAIL_BACKEND=django.core.mail.backends.smtp.EmailBackend
#EMAIL_HOST=localhost
#EMAIL_PORT=
#EMAIL_HOST_USER=
#EMAIL_HOST_PASSWORD=
#EMAIL_USE_TLS=True
""".strip() % (secret_key, password)

# Writing our configuration file to '.env'
with open('.env', 'w') as configfile:
    configfile.write(CONFIG_STRING)

print('Success!')
print('Type: cat .env')