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

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2020-06-26 00:12:16 +03:00
"""`Configuration` provider values loading example."""
import os
from dependency_injector import providers
# Emulate environment variables
os.environ['AWS_ACCESS_KEY_ID'] = 'KEY'
os.environ['AWS_SECRET_ACCESS_KEY'] = 'SECRET'
config = providers.Configuration()
config.aws.access_key_id.from_env('AWS_ACCESS_KEY_ID')
config.aws.secret_access_key.from_env('AWS_SECRET_ACCESS_KEY')
config.optional.from_env('UNDEFINED', 'default_value')
assert config.aws.access_key_id() == 'KEY'
assert config.aws.secret_access_key() == 'SECRET'
assert config.optional() == 'default_value'