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_validate() — fastapi Function Reference

Architecture documentation for the _validate() function in datastructures.py from the fastapi codebase.

Function python FastAPI Applications called by 1

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Dependency Diagram

graph TD
  4a2d48d6_8997_af53_93c8_8a157af0c15a["_validate()"]
  e7f7f9d0_3e61_b391_e95f_2212c3046b08["UploadFile"]
  4a2d48d6_8997_af53_93c8_8a157af0c15a -->|defined in| e7f7f9d0_3e61_b391_e95f_2212c3046b08
  a452a1ea_859c_3935_dd7e_2c43d77ee9c2["test_upload_file_invalid_pydantic_v2()"]
  a452a1ea_859c_3935_dd7e_2c43d77ee9c2 -->|calls| 4a2d48d6_8997_af53_93c8_8a157af0c15a
  style 4a2d48d6_8997_af53_93c8_8a157af0c15a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

fastapi/datastructures.py lines 135–138

    def _validate(cls, __input_value: Any, _: Any) -> "UploadFile":
        if not isinstance(__input_value, StarletteUploadFile):
            raise ValueError(f"Expected UploadFile, received: {type(__input_value)}")
        return cast(UploadFile, __input_value)

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Frequently Asked Questions

What does _validate() do?
_validate() is a function in the fastapi codebase, defined in fastapi/datastructures.py.
Where is _validate() defined?
_validate() is defined in fastapi/datastructures.py at line 135.
What calls _validate()?
_validate() is called by 1 function(s): test_upload_file_invalid_pydantic_v2.

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