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34 lines
1.2 KiB
Python
34 lines
1.2 KiB
Python
"""Operating with catalog providers example."""
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from dependency_injector.catalog import AbstractCatalog
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from dependency_injector.providers import Factory
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from dependency_injector.providers import Singleton
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class Catalog(AbstractCatalog):
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"""Providers catalog."""
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provider1 = Factory(object)
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""":type: (dependency_injector.Provider) -> object"""
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provider2 = Factory(object)
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""":type: (dependency_injector.Provider) -> object"""
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provider3 = Singleton(object)
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""":type: (dependency_injector.Provider) -> object"""
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provider4 = Singleton(object)
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""":type: (dependency_injector.Provider) -> object"""
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# Making some asserts:
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assert Catalog.providers == dict(provider1=Catalog.provider1,
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provider2=Catalog.provider2,
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provider3=Catalog.provider3,
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provider4=Catalog.provider4)
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assert Catalog.filter(Factory) == dict(provider1=Catalog.provider1,
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provider2=Catalog.provider2)
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assert Catalog.filter(Singleton) == dict(provider3=Catalog.provider3,
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provider4=Catalog.provider4)
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