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https://github.com/ets-labs/python-dependency-injector.git
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47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
"""Complex example of the injecting of provided instance attributes and items."""
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from dependency_injector import containers, providers
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class Service:
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def __init__(self, value):
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self.value = value
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def get_value(self):
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return self.value
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class Container(containers.DeclarativeContainer):
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service = providers.Singleton(Service, value=42)
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dependency = providers.Object(
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{
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'foo': {
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'bar': 10,
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'baz': lambda arg: {'arg': arg}
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},
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},
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)
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demo_list = providers.List(
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dependency.provided['foo']['bar'],
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dependency.provided['foo']['baz'].call(22)['arg'],
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dependency.provided['foo']['baz'].call(service)['arg'],
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dependency.provided['foo']['baz'].call(service)['arg'].value,
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dependency.provided['foo']['baz'].call(service)['arg'].get_value.call(),
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)
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if __name__ == '__main__':
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container = Container()
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assert container.demo_list() == [
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10,
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22,
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container.service(),
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42,
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42,
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]
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