Class RequestedRangeNotSatisfiable

src/werkzeug/exceptions.py:524–557

*416* `Requested Range Not Satisfiable` The client asked for an invalid part of the file. .. versionadded:: 0.7

class RequestedRangeNotSatisfiable(HTTPException):
    """*416* `Requested Range Not Satisfiable`

    The client asked for an invalid part of the file.

    .. versionadded:: 0.7
    """

    code = 416
    description = "The server cannot provide the requested range."

    def __init__(
        self,
        length: int | None = None,
        units: str = "bytes",
        description: str | None = None,
        response: SansIOResponse | None = None,
    ) -> None:
        """Takes an optional `Content-Range` header value based on ``length``
        parameter.
        """
        super().__init__(description=description, response=response)
        self.length = length
        self.units = units

    def get_headers(
        self,
        environ: WSGIEnvironment | None = None,
        scope: dict[str, t.Any] | None = None,
    ) -> list[tuple[str, str]]:
        headers = super().get_headers(environ, scope)
        if self.length is not None:
            headers.append(("Content-Range", f"{self.units} */{self.length}"))
        return headers


class ExpectationFailed(HTTPException):