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Add example
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examples/wiring/flask_resource_closing.py
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39
examples/wiring/flask_resource_closing.py
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"""`Resource` - Flask request scope example."""
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import sys
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from dependency_injector import containers, providers
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from dependency_injector.wiring import Provide, Closing
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from flask import Flask, current_app
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class Service:
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...
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def init_service() -> Service:
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print('Init service')
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yield Service()
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print('Shutdown service')
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class Container(containers.DeclarativeContainer):
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service = providers.Resource(init_service)
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def index_view(service: Service = Closing[Provide[Container.service]]):
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assert service is current_app.container.service()
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return 'Hello World!'
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container = Container()
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container.wire(modules=[sys.modules[__name__]])
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app = Flask(__name__)
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app.container = container
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app.add_url_rule('/', 'index', view_func=index_view)
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if __name__ == '__main__':
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app.run()
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