mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-23 01:56:58 +03:00
25 lines
712 B
Python
25 lines
712 B
Python
"""Overriding of factory provider example."""
|
|
|
|
import collections
|
|
|
|
import dependency_injector.providers as providers
|
|
|
|
|
|
Engine = collections.namedtuple('Engine', [])
|
|
Car = collections.namedtuple('Car', ['serial_number', 'engine'])
|
|
|
|
engine_factory = providers.Factory(Engine)
|
|
car_factory = providers.Factory(Car, engine=engine_factory)
|
|
|
|
EngineX = collections.namedtuple('EngineX', [])
|
|
engine_factory.override(providers.Factory(EngineX))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
car1 = car_factory(serial_number=1)
|
|
car2 = car_factory(serial_number=2, engine=Engine())
|
|
|
|
assert car1.serial_number == 1 and car2.serial_number == 2
|
|
assert car1.engine.__class__ is EngineX
|
|
assert car2.engine.__class__ is Engine
|