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Merge pull request #11006 from Carreau/fix-ipython-spelling...
Merge pull request #11006 from Carreau/fix-ipython-spelling Fix IPython spelling

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debugger.py
124 lines | 4.9 KiB | text/x-python | PythonLexer
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, HasFocus, HasSelection,
ViInsertMode, EmacsInsertMode)
from prompt_toolkit.keys import Keys
from prompt_toolkit.key_binding.manager import KeyBindingManager
from prompt_toolkit.key_binding.bindings.completion import display_completions_like_readline
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={},
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)
if self.shell.display_completions == 'readlinelike':
kbmanager.registry.add_binding(Keys.ControlI,
filter=(HasFocus(DEFAULT_BUFFER)
& ~HasSelection()
& ViInsertMode() | EmacsInsertMode()
& ~cursor_in_leading_ws
))(display_completions_like_readline)
multicolumn = (self.shell.display_completions == 'multicolumn')
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,
display_completions_in_columns=multicolumn,
style=self.shell.style
)
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)
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()