python-dependency-injector/examples/providers/configuration/configuration_env.py

27 lines
798 B
Python

"""`Configuration` provider values loading example."""
import os
from dependency_injector import containers, providers
class Container(containers.DeclarativeContainer):
config = providers.Configuration()
if __name__ == '__main__':
container = Container()
# Emulate environment variables
os.environ['AWS_ACCESS_KEY_ID'] = 'KEY'
os.environ['AWS_SECRET_ACCESS_KEY'] = 'SECRET'
container.config.aws.access_key_id.from_env('AWS_ACCESS_KEY_ID')
container.config.aws.secret_access_key.from_env('AWS_SECRET_ACCESS_KEY')
container.config.optional.from_env('UNDEFINED', 'default_value')
assert container.config.aws.access_key_id() == 'KEY'
assert container.config.aws.secret_access_key() == 'SECRET'
assert container.config.optional() == 'default_value'