close(): fix exception and enable fast-close

adafruit_requests.py

@@ -226,22 +226,23 @@ def _throw_away(self, nbytes: int) -> None:
  while to_read > 0:
  to_read -= self._recv_into(buf, to_read)
 
- def close(self) -> None:
+ def close(self, fast: bool = False) -> None:
  """Drain the remaining ESP socket buffers. We assume we already got what we wanted."""
  if not self.socket:
  return
  # Make sure we've read all of our response.
- if self._cached is None:
+ if self._cached is None and not fast:
  if self._remaining and self._remaining > 0:
  self._throw_away(self._remaining)
  elif self._chunked:
  while True:
  chunk_header = bytes(self._readto(b"\r\n")).split(b";", 1)[0]
+ if not chunk_header:
+ break
  chunk_size = int(bytes(chunk_header), 16)
  if chunk_size == 0:
  break
  self._throw_away(chunk_size + 2)
- self._parse_headers()
  if self._session:
  # pylint: disable=protected-access
  self._session._connection_manager.free_socket(self.socket)