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https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-23 01:56:58 +03:00
39 lines
974 B
Python
39 lines
974 B
Python
"""`Factory` providers with init injections example."""
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from dependency_injector.providers import Factory
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from dependency_injector.injections import KwArg
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class User(object):
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"""Example class User."""
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def __init__(self, main_photo):
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"""Initializer."""
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self.main_photo = main_photo
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super(User, self).__init__()
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class Photo(object):
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"""Example class Photo."""
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# User and Photo factories:
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photos_factory = Factory(Photo)
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users_factory = Factory(User,
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KwArg('main_photo', photos_factory))
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# Creating several User objects:
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user1 = users_factory() # Same as: user1 = User(main_photo=Photo())
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user2 = users_factory() # Same as: user2 = User(main_photo=Photo())
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# Making some asserts:
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assert isinstance(user1, User)
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assert isinstance(user1.main_photo, Photo)
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assert isinstance(user2, User)
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assert isinstance(user2.main_photo, Photo)
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assert user1 is not user2
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assert user1.main_photo is not user2.main_photo
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