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40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
"""`Factory` providers init injections example."""
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import collections
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import dependency_injector.providers as providers
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CreditCard = collections.namedtuple('CreditCard', [])
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Photo = collections.namedtuple('Photo', [])
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User = collections.namedtuple('User', ['uid', 'main_photo', 'credit_card'])
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# User, Photo and CreditCard factories:
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credit_cards_factory = providers.Factory(CreditCard)
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photos_factory = providers.Factory(Photo)
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users_factory = providers.Factory(User,
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main_photo=photos_factory,
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credit_card=credit_cards_factory)
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# Creating several User objects:
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user1 = users_factory(1)
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# Same as: user1 = User(1,
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# main_photo=Photo(),
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# credit_card=CreditCard())
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user2 = users_factory(2)
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# Same as: user2 = User(2,
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# main_photo=Photo(),
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# credit_card=CreditCard())
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# Context keyword arguments have priority on keyword argument injections:
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main_photo = Photo()
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credit_card = CreditCard()
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user3 = users_factory(3,
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main_photo=main_photo,
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credit_card=credit_card)
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# Same as: user3 = User(3,
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# main_photo=main_photo,
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# credit_card=credit_card)
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