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https://github.com/ets-labs/python-dependency-injector.git
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cfadd8c3fa
* Add implementation and typing stub * Add unit tests * Update demo example * Add typing tests * Update changelog * Update docs * Add tests for an empty environment variable * Improve wording in di_in_python.rst * Update wording in changelog and docs * Update doc blocks
40 lines
966 B
Python
40 lines
966 B
Python
from unittest import mock
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from dependency_injector import containers, providers
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from dependency_injector.wiring import Provide, inject
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from after import ApiClient, Service
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class Container(containers.DeclarativeContainer):
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config = providers.Configuration()
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api_client = providers.Singleton(
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ApiClient,
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api_key=config.api_key,
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timeout=config.timeout,
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)
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service = providers.Factory(
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Service,
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api_client=api_client,
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)
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@inject
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def main(service: Service = Provide[Container.service]):
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...
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if __name__ == "__main__":
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container = Container()
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container.config.api_key.from_env("API_KEY", required=True)
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container.config.timeout.from_env("TIMEOUT", as_=int, default=5)
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container.wire(modules=[__name__])
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main() # <-- dependency is injected automatically
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with container.api_client.override(mock.Mock()):
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main() # <-- overridden dependency is injected automatically
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