26 lines
486 B
Python
26 lines
486 B
Python
"""`Dependency` provider default example."""
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import abc
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from dependency_injector import containers, providers
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class Cache(metaclass=abc.ABCMeta):
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...
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class InMemoryCache(Cache):
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...
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class Container(containers.DeclarativeContainer):
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cache = providers.Dependency(instance_of=Cache, default=InMemoryCache())
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if __name__ == '__main__':
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container = Container()
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cache = container.cache() # provides InMemoryCache()
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assert isinstance(cache, InMemoryCache)
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