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AsyncExitStackMiddleware Class — fastapi Architecture

Architecture documentation for the AsyncExitStackMiddleware class in asyncexitstack.py from the fastapi codebase.

Class python Middleware

Entity Profile

Dependency Diagram

graph TD
  a4e9210e_542f_dbd2_500a_37b56326c1e7["AsyncExitStackMiddleware"]
  2efae956_b294_abd7_b5c6_794690e86bb5["asyncexitstack.py"]
  a4e9210e_542f_dbd2_500a_37b56326c1e7 -->|defined in| 2efae956_b294_abd7_b5c6_794690e86bb5
  81491d3f_9f54_5827_da95_5e34ee6c79b5["__init__()"]
  a4e9210e_542f_dbd2_500a_37b56326c1e7 -->|method| 81491d3f_9f54_5827_da95_5e34ee6c79b5
  5950af0b_8c0e_27ff_e270_ff798126a896["__call__()"]
  a4e9210e_542f_dbd2_500a_37b56326c1e7 -->|method| 5950af0b_8c0e_27ff_e270_ff798126a896

Relationship Graph

Source Code

fastapi/middleware/asyncexitstack.py lines 8–18

class AsyncExitStackMiddleware:
    def __init__(
        self, app: ASGIApp, context_name: str = "fastapi_middleware_astack"
    ) -> None:
        self.app = app
        self.context_name = context_name

    async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
        async with AsyncExitStack() as stack:
            scope[self.context_name] = stack
            await self.app(scope, receive, send)

Domain

Defined In

Source

Frequently Asked Questions

What is the AsyncExitStackMiddleware class?
AsyncExitStackMiddleware is a class in the fastapi codebase, defined in fastapi/middleware/asyncexitstack.py.
Where is AsyncExitStackMiddleware defined?
AsyncExitStackMiddleware is defined in fastapi/middleware/asyncexitstack.py at line 8.

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