validate() — fastapi Function Reference

Architecture documentation for the validate() function in v2.py from the fastapi codebase.

Function python FastAPI Routing calls 1

Entity Profile

FastAPI→ Routing→ validate() — fastapi Function Reference

Dependency Diagram

graph TD
  33f41d4d_1eb8_4336_8d89_8c96f8052913["validate()"]
  413233b4_cb0b_062e_c20b_4dfc7c774216["ModelField"]
  33f41d4d_1eb8_4336_8d89_8c96f8052913 -->|defined in| 413233b4_cb0b_062e_c20b_4dfc7c774216
  904a72ad_b08c_f47e_ac2f_9b94b4a3694a["_regenerate_error_with_loc()"]
  33f41d4d_1eb8_4336_8d89_8c96f8052913 -->|calls| 904a72ad_b08c_f47e_ac2f_9b94b4a3694a
  style 33f41d4d_1eb8_4336_8d89_8c96f8052913 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

fastapi/_compat/v2.py lines 141–156

    def validate(
        self,
        value: Any,
        values: dict[str, Any] = {},  # noqa: B006
        *,
        loc: tuple[Union[int, str], ...] = (),
    ) -> tuple[Any, list[dict[str, Any]]]:
        try:
            return (
                self._type_adapter.validate_python(value, from_attributes=True),
                [],
            )
        except ValidationError as exc:
            return None, _regenerate_error_with_loc(
                errors=exc.errors(include_url=False), loc_prefix=loc
            )