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			41 lines
		
	
	
		
			899 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			899 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| """Custom `Factory` example."""
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| 
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| import dependency_injector.providers as providers
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| 
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| 
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| class User:
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|     """Example class User."""
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| 
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| 
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| class UsersFactory(providers.Provider):
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|     """Example users factory."""
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| 
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|     __slots__ = ('_factory',)
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| 
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|     def __init__(self):
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|         """Initialize instance."""
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|         self._factory = providers.Factory(User)
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|         super().__init__()
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| 
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|     def __call__(self, *args, **kwargs):
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|         """Return provided object.
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| 
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|         Callable interface implementation.
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|         """
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|         if self.last_overriding is not None:
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|             return self.last_overriding._provide(args, kwargs)
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|         return self._factory(*args, **kwargs)
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| 
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| 
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| # Users factory:
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| users_factory = UsersFactory()
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| 
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| # Creating several User objects:
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| user1 = users_factory()
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| user2 = users_factory()
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| 
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| # Making some asserts:
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| assert isinstance(user1, User)
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| assert isinstance(user2, User)
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| assert user1 is not user2
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