|
|
import signal
|
|
|
import sys
|
|
|
|
|
|
from IPython.core.debugger import Pdb
|
|
|
|
|
|
from IPython.core.completer import IPCompleter
|
|
|
from .ptutils import IPythonPTCompleter
|
|
|
from .shortcuts import suspend_to_bg
|
|
|
|
|
|
from prompt_toolkit.filters import Condition
|
|
|
from prompt_toolkit.keys import Keys
|
|
|
from prompt_toolkit.key_binding.manager import KeyBindingManager
|
|
|
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)]
|
|
|
|
|
|
def patch_stdout(**kwargs):
|
|
|
return self.pt_cli.patch_stdout_context(**kwargs)
|
|
|
|
|
|
if self._ptcomp is None:
|
|
|
compl = IPCompleter(shell=self.shell,
|
|
|
namespace={},
|
|
|
global_namespace={},
|
|
|
use_readline=False,
|
|
|
parent=self.shell,
|
|
|
)
|
|
|
self._ptcomp = IPythonPTCompleter(compl, patch_stdout=patch_stdout)
|
|
|
|
|
|
kbmanager = KeyBindingManager.for_prompt()
|
|
|
supports_suspend = Condition(lambda cli: hasattr(signal, 'SIGTSTP'))
|
|
|
kbmanager.registry.add_binding(Keys.ControlZ, filter=supports_suspend
|
|
|
)(suspend_to_bg)
|
|
|
|
|
|
self._pt_app = create_prompt_application(
|
|
|
editing_mode=getattr(EditingMode, self.shell.editing_mode.upper()),
|
|
|
key_bindings_registry=kbmanager.registry,
|
|
|
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)
|
|
|
|
|
|
|
