code: def _get(self, start: int, end: int, peek: bool = False) -> bytes:
      index: Optional[int] = None
      buffers = []
      need = end
  
      # compute buffers needed
      for i, (buf_len, buf_data) in enumerate(
          zip(self._buf_lengths, self._buf_list)
      ):
          buffers.append(
              buf_data[:need] if need < buf_len else buf_data
          )
          if need <= buf_len:
              index = i
              break
          need -= buf_len
  
      # buffer not large enough, caller should have made sure there was enough data
      if index is None:
          raise IndexError("SockBuffer index out of range")
  
      # advance buffer internals if we are not peeking into the data
      if not peek:
          self._buf_total -= end
          if need < buf_len:
              # update partially used buffer list
              self._buf_list = self._buf_list[index:]
              self._buf_lengths = self._buf_lengths[index:]
              self._buf_list[0] = self._buf_list[0][need:]
              self._buf_lengths[0] -= need
          else:
              # update fully used buffer list
              self._buf_list = self._buf_list[index + 1 :]
              self._buf_lengths = self._buf_lengths[index + 1 :]
  
      return b"".join(buffers)[start:end]
  
imports: import socket
  import struct
  import threading
  import time
  import uuid
  from typing import TYPE_CHECKING, Any, List, Optional
  from wandb.proto import wandb_server_pb2
  from .None import tracelog
label_desc: Use image node_id 3 for calling the SockBuffer obj's underlying member method code with example usage: obj._get(start, end, peek) and returns: bytes