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Backport PR #10030: Fix running %run -d twice...
Backport PR #10030: Fix running %run -d twice I suspect this is a bug in pdb; I'll try to get it fixed there too, but deleting `deb.curframe` seems to work around the issue. Closes 10028 . Signed-off-by: Thomas Kluyver <thomas@kluyver.me.uk>

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debugger.py
85 lines | 3.1 KiB | text/x-python | PythonLexer
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
import sys
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
def set_trace(frame=None):
"""
Start debugging from `frame`.
If frame is not specified, debugging starts from caller's frame.
"""
TerminalPdb().set_trace(frame or sys._getframe().f_back)