class_docstr: This is the main class interface for Pexpect. Use this class to start
  and control child applications. 
class_docstr_tok: ["This","is","the","main","class","interface","for","Pexpect",".","Use","this","class","to","start","and","control","child","applications","."]
docstr: This is used by the interact() method.
          
docstr_tok: ["This","is","used","by","the","interact","(",")","method","."]
code: def __interact_read(self, fd):
      """This is used by the interact() method."""
  
      return os.read(fd, 1000)
  
imports: import os
  import sys
  import time
  import pty
  import tty
  import errno
  import signal
  from contextlib import contextmanager
  import ptyprocess
  from ptyprocess.ptyprocess import use_native_pty_fork
  from .exceptions import ExceptionPexpect, EOF, TIMEOUT
  from .spawnbase import SpawnBase
  from .utils import which, split_command_line, select_ignore_interrupts, poll_ignore_interrupts
label_desc: Use image node_id 30 for calling the spawn obj's underlying member method code with example usage: obj.__interact_read(fd) and returns: os