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33 lines
1.0 KiB
Python
33 lines
1.0 KiB
Python
"""Declarative catalogs inheritance example."""
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from dependency_injector import catalogs
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from dependency_injector import providers
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class CatalogA(catalogs.DeclarativeCatalog):
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"""Example catalog A."""
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provider1 = providers.Factory(object)
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""":type: providers.Provider -> object"""
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class CatalogB(CatalogA):
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"""Example catalog B."""
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provider2 = providers.Singleton(object)
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""":type: providers.Provider -> object"""
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# Making some asserts for `providers` attribute:
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assert CatalogA.providers == dict(provider1=CatalogA.provider1)
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assert CatalogB.providers == dict(provider1=CatalogA.provider1,
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provider2=CatalogB.provider2)
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# Making some asserts for `cls_providers` attribute:
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assert CatalogA.cls_providers == dict(provider1=CatalogA.provider1)
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assert CatalogB.cls_providers == dict(provider2=CatalogB.provider2)
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# Making some asserts for `inherited_providers` attribute:
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assert CatalogA.inherited_providers == dict()
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assert CatalogB.inherited_providers == dict(provider1=CatalogA.provider1)
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