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* Bump version to 4.3.9: FastAPI example * Reengineer wiring * Add @inject decorator * Add .workspace dir to gitignore * Add generic typing for @inject * Add type cast for @inject * Update movie lister example * Update cli application tutorial * Update demo example * Update wiring docs and examples * Update aiohttp example and tutorial * Update multiple containers example * Update single container example * Update decoupled packages example * Update django example * Update asyncio daemon example and tutorial * Update FastAPI example * Update flask example and tutorial * Update sanic example * Add wiring registry * Add new line to .gitignore * Add @inject to the test samples * Fix flake8 errors
41 lines
832 B
Python
41 lines
832 B
Python
"""`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 inject, 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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@inject
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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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