Method close

src/werkzeug/middleware/lint.py:166–213

(self)

        return rv

    def close(self) -> None:
        self.closed = True

        if hasattr(self._iterator, "close"):
            self._iterator.close()

        if self.headers_set:
            status_code, headers = self.headers_set
            bytes_sent = sum(self.chunks)
            content_length = headers.get("content-length", type=int)

            if status_code == 304:
                for key, _value in headers:
                    key = key.lower()
                    if key not in ("expires", "content-location") and is_entity_header(
                        key
                    ):
                        warn(
                            f"Entity header {key!r} found in 304 response.",
                            HTTPWarning,
                            stacklevel=2,
                        )
                if bytes_sent:
                    warn(
                        "304 responses must not have a body.",
                        HTTPWarning,
                        stacklevel=2,
                    )
            elif 100 <= status_code < 200 or status_code == 204:
                if content_length != 0:
                    warn(
                        f"{status_code} responses must have an empty content length.",
                        HTTPWarning,
                        stacklevel=2,
                    )
                if bytes_sent:
                    warn(
                        f"{status_code} responses must not have a body.",
                        HTTPWarning,
                        stacklevel=2,
                    )
            elif content_length is not None and content_length != bytes_sent:
                warn(
                    "Content-Length and the number of bytes sent to the"
                    " client do not match.",
                    WSGIWarning,
                    stacklevel=2,
                )

    def __del__(self) -> None:
        if not self.closed: