from IPython.core.debugger import Pdb from IPython.core.completer import IPCompleter from .ptutils import IPythonPTCompleter from prompt_toolkit.token import Token from prompt_toolkit.shortcuts import create_prompt_application from prompt_toolkit.interface import CommandLineInterface from prompt_toolkit.enums import EditingMode class TerminalPdb(Pdb): def __init__(self, *args, **kwargs): Pdb.__init__(self, *args, **kwargs) self._ptcomp = None self.pt_init() def pt_init(self): def get_prompt_tokens(cli): return [(Token.Prompt, self.prompt)] if self._ptcomp is None: compl = IPCompleter(shell=self.shell, namespace={}, global_namespace={}, use_readline=False, parent=self.shell, ) self._ptcomp = IPythonPTCompleter(compl) self._pt_app = create_prompt_application( editing_mode=getattr(EditingMode, self.shell.editing_mode.upper()), history=self.shell.debugger_history, completer= self._ptcomp, enable_history_search=True, mouse_support=self.shell.mouse_support, get_prompt_tokens=get_prompt_tokens ) self.pt_cli = CommandLineInterface(self._pt_app, eventloop=self.shell._eventloop) def cmdloop(self, intro=None): """Repeatedly issue a prompt, accept input, parse an initial prefix off the received input, and dispatch to action methods, passing them the remainder of the line as argument. override the same methods from cmd.Cmd to provide prompt toolkit replacement. """ if not self.use_rawinput: raise ValueError('Sorry ipdb does not support use_rawinput=False') self.preloop() try: if intro is not None: self.intro = intro if self.intro: self.stdout.write(str(self.intro)+"\n") stop = None while not stop: if self.cmdqueue: line = self.cmdqueue.pop(0) else: self._ptcomp.ipy_completer.namespace = self.curframe_locals self._ptcomp.ipy_completer.global_namespace = self.curframe.f_globals try: line = self.pt_cli.run(reset_current_buffer=True).text except EOFError: line = 'EOF' line = self.precmd(line) stop = self.onecmd(line) stop = self.postcmd(stop, line) self.postloop() except Exception: raise