code: def get_by_name(name: str) -> Binding:
      """
      Return the handler for the (Readline) command with the given name.
      """
      try:
          return _readline_commands[name]
      except KeyError as e:
          raise KeyError("Unknown Readline command: %r" % name) from e
  
imports: from __future__ import annotations
  from typing import Callable, TypeVar, Union, cast
  from prompt_toolkit.document import Document
  from prompt_toolkit.enums import EditingMode
  from prompt_toolkit.key_binding.key_bindings import Binding, key_binding
  from prompt_toolkit.key_binding.key_processor import KeyPress, KeyPressEvent
  from prompt_toolkit.keys import Keys
  from prompt_toolkit.layout.controls import BufferControl
  from prompt_toolkit.search import SearchDirection
  from prompt_toolkit.selection import PasteMode
  from .completion import display_completions_like_readline, generate_completions
label_desc: Use image node_id 2 for calling a global function with example usage: get_by_name(name) and returns: _readline_commands