str() — fastapi Function Reference

Architecture documentation for the __str__() function in exceptions.py from the fastapi codebase.

Function python FastAPI Responses calls 1

Entity Profile

FastAPI→ Responses→ __str__() — fastapi Function Reference

Dependency Diagram

graph TD
  5b458d6f_ef49_5bcd_d6b6_bbc9909a7a58["__str__()"]
  32a73308_3432_5041_09d0_0ac7de6c0780["ValidationException"]
  5b458d6f_ef49_5bcd_d6b6_bbc9909a7a58 -->|defined in| 32a73308_3432_5041_09d0_0ac7de6c0780
  b450d08c_60f4_509a_84c3_0b5d46e7942a["_format_endpoint_context()"]
  5b458d6f_ef49_5bcd_d6b6_bbc9909a7a58 -->|calls| b450d08c_60f4_509a_84c3_0b5d46e7942a
  style 5b458d6f_ef49_5bcd_d6b6_bbc9909a7a58 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

fastapi/exceptions.py lines 204–209

    def __str__(self) -> str:
        message = f"{len(self._errors)} validation error{'s' if len(self._errors) != 1 else ''}:\n"
        for err in self._errors:
            message += f"  {err}\n"
        message += self._format_endpoint_context()
        return message.rstrip()