mirror of
https://github.com/ets-labs/python-dependency-injector.git
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1eee0fe529
+ Refactor provider overriding system
29 lines
814 B
Python
29 lines
814 B
Python
"""Declarative IoC container overriding example."""
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import dependency_injector.containers as containers
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import dependency_injector.providers as providers
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class Container(containers.DeclarativeContainer):
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"""IoC container."""
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sequence_factory = providers.Factory(list)
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class OverridingContainer(containers.DeclarativeContainer):
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"""Overriding IoC container."""
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sequence_factory = providers.Factory(tuple)
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# Overriding `Container` with `OverridingContainer`:
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Container.override(OverridingContainer)
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# Creating some objects using overridden container:
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sequence_1 = Container.sequence_factory([1, 2, 3])
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sequence_2 = Container.sequence_factory([3, 2, 1])
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# Making some asserts:
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assert Container.overridden == (OverridingContainer,)
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assert sequence_1 == (1, 2, 3) and sequence_2 == (3, 2, 1)
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