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25 lines
712 B
Python
25 lines
712 B
Python
"""Overriding of factory provider example."""
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import collections
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import dependency_injector.providers as providers
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Engine = collections.namedtuple('Engine', [])
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Car = collections.namedtuple('Car', ['serial_number', 'engine'])
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engine_factory = providers.Factory(Engine)
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car_factory = providers.Factory(Car, engine=engine_factory)
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EngineX = collections.namedtuple('EngineX', [])
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engine_factory.override(providers.Factory(EngineX))
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if __name__ == '__main__':
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car1 = car_factory(serial_number=1)
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car2 = car_factory(serial_number=2, engine=Engine())
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assert car1.serial_number == 1 and car2.serial_number == 2
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assert car1.engine.__class__ is EngineX
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assert car2.engine.__class__ is Engine
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