|
|
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, cursor_in_leading_ws
|
|
|
|
|
|
from prompt_toolkit.enums import DEFAULT_BUFFER
|
|
|
from prompt_toolkit.filters import (Condition, has_focus, has_selection,
|
|
|
vi_insert_mode, emacs_insert_mode)
|
|
|
from prompt_toolkit.key_binding import KeyBindings
|
|
|
from prompt_toolkit.key_binding.bindings.completion import display_completions_like_readline
|
|
|
from pygments.token import Token
|
|
|
from prompt_toolkit.shortcuts.prompt import PromptSession
|
|
|
from prompt_toolkit.enums import EditingMode
|
|
|
from prompt_toolkit.formatted_text import PygmentsTokens
|
|
|
|
|
|
|
|
|
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():
|
|
|
return [(Token.Prompt, self.prompt)]
|
|
|
|
|
|
if self._ptcomp is None:
|
|
|
compl = IPCompleter(shell=self.shell,
|
|
|
namespace={},
|
|
|
global_namespace={},
|
|
|
parent=self.shell,
|
|
|
)
|
|
|
self._ptcomp = IPythonPTCompleter(compl)
|
|
|
|
|
|
kb = KeyBindings()
|
|
|
supports_suspend = Condition(lambda: hasattr(signal, 'SIGTSTP'))
|
|
|
kb.add('c-z', filter=supports_suspend)(suspend_to_bg)
|
|
|
|
|
|
if self.shell.display_completions == 'readlinelike':
|
|
|
kb.add('tab', filter=(has_focus(DEFAULT_BUFFER)
|
|
|
& ~has_selection
|
|
|
& vi_insert_mode | emacs_insert_mode
|
|
|
& ~cursor_in_leading_ws
|
|
|
))(display_completions_like_readline)
|
|
|
|
|
|
self.pt_app = PromptSession(
|
|
|
message=(lambda: PygmentsTokens(get_prompt_tokens())),
|
|
|
editing_mode=getattr(EditingMode, self.shell.editing_mode.upper()),
|
|
|
key_bindings=kb,
|
|
|
history=self.shell.debugger_history,
|
|
|
completer=self._ptcomp,
|
|
|
enable_history_search=True,
|
|
|
mouse_support=self.shell.mouse_support,
|
|
|
complete_style=self.shell.pt_complete_style,
|
|
|
style=self.shell.style,
|
|
|
inputhook=self.shell.inputhook,
|
|
|
)
|
|
|
|
|
|
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_app.prompt() # reset_current_buffer=True)
|
|
|
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)
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
import pdb
|
|
|
# IPython.core.debugger.Pdb.trace_dispatch shall not catch
|
|
|
# bdb.BdbQuit. When started through __main__ and an exception
|
|
|
# happened after hitting "c", this is needed in order to
|
|
|
# be able to quit the debugging session (see #9950).
|
|
|
old_trace_dispatch = pdb.Pdb.trace_dispatch
|
|
|
pdb.Pdb = TerminalPdb
|
|
|
pdb.Pdb.trace_dispatch = old_trace_dispatch
|
|
|
pdb.main()
|
|
|
|
