call() — fastapi Function Reference

Architecture documentation for the __call__() function in test_custom_middleware_exception.py from the fastapi codebase.

Function python FastAPI Applications calls 1

Entity Profile

FastAPI→ Applications→ __call__() — fastapi Function Reference

Dependency Diagram

graph TD
  4014ea23_5fbb_eb4b_c698_f3833bb20f2e["__call__()"]
  74723938_6a55_2853_752f_6576aa5c1d17["ContentSizeLimitMiddleware"]
  4014ea23_5fbb_eb4b_c698_f3833bb20f2e -->|defined in| 74723938_6a55_2853_752f_6576aa5c1d17
  d268a417_9bb1_869f_1b2d_baf49422f22c["receive_wrapper()"]
  4014ea23_5fbb_eb4b_c698_f3833bb20f2e -->|calls| d268a417_9bb1_869f_1b2d_baf49422f22c
  style 4014ea23_5fbb_eb4b_c698_f3833bb20f2e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

tests/test_custom_middleware_exception.py lines 48–54

    async def __call__(self, scope, receive, send):
        if scope["type"] != "http" or self.max_content_size is None:
            await self.app(scope, receive, send)
            return

        wrapper = self.receive_wrapper(receive)
        await self.app(scope, wrapper, send)