class_docstr: Classic Python shell interface.
  
  This class allows igraph to be embedded in Python's shell.
class_docstr_tok: ["Classic","Python","shell","interface",".","This","class","allows","igraph","to","be","embedded","in","Python","'s","shell","."]
docstr: Starts the embedded shell.
code: def __call__(self):
      """Starts the embedded shell."""
      if self._shell is None:
          from code import InteractiveConsole
  
          self._shell = InteractiveConsole()
          print(
              "igraph %s running inside " % __version__,
              end="",
              file=sys.stderr,
          )
          self._shell.runsource("from igraph import *")
  
      self._shell.interact()
  
imports: from abc import ABCMeta, abstractmethod
  import re
  import sys
  from igraph import __version__
  from igraph._igraph import set_progress_handler, set_status_handler
  from igraph.configuration import Configuration
label_desc: Use image node_id 2 for calling the ClassicPythonShell obj's underlying member method code with example usage: obj.__call__() without return types