Method _init_decoder

src/urllib3/response.py:600–617

Set-up the _decoder attribute if necessary.

(self)

        raise NotImplementedError()

    def _init_decoder(self) -> None:
        """
        Set-up the _decoder attribute if necessary.
        """
        # Note: content-encoding value should be case-insensitive, per RFC 7230
        # Section 3.2
        content_encoding = self.headers.get("content-encoding", "").lower()
        if self._decoder is None:
            if content_encoding in self.CONTENT_DECODERS:
                self._decoder = _get_decoder(content_encoding)
            elif "," in content_encoding:
                encodings = [
                    e.strip()
                    for e in content_encoding.split(",")
                    if e.strip() in self.CONTENT_DECODERS
                ]
                if encodings:
                    self._decoder = _get_decoder(content_encoding)

    def _decode(
        self,