"""Asynchronous injections example."""
import asyncio
from dependency_injector import containers, providers
async def init_async_resource():
await asyncio.sleep(0.1)
yield "Initialized"
class Service:
def __init__(self, resource):
self.resource = resource
class Container(containers.DeclarativeContainer):
resource = providers.Resource(init_async_resource)
service = providers.Factory(
Service,
resource=resource,
)
async def main(container: Container):
resource = await container.resource()
service = await container.service()
...
if __name__ == "__main__":
container = Container()
asyncio.run(main(container))