class TerminalInteractiveShell(InteractiveShell):
space_for_menu = Integer(
6,
help='Number of line at the bottom of the screen '
'to reserve for the completion menu').tag(config=True)
def _space_for_menu_changed(self, old, new):
self._update_layout()
pt_cli = None
debugger_history = None
_pt_app = None
simple_prompt = Bool(
_use_simple_prompt,
help=
"""Use `raw_input` for the REPL, without completion and prompt colors.
Useful when controlling IPython as a subprocess, and piping STDIN/OUT/ERR. Known usage are:
IPython own testing machinery, and emacs inferior-shell integration through elpy.
This mode default to `True` if the `IPY_TEST_SIMPLE_PROMPT`
environment variable is set, or the current terminal is not a tty."""
).tag(config=True)
@property
def debugger_cls(self):
return Pdb if self.simple_prompt else TerminalPdb
confirm_exit = Bool(
True,
help="""
Set to confirm when you try to exit IPython with an EOF (Control-D
in Unix, Control-Z/Enter in Windows). By typing 'exit' or 'quit',
you can force a direct exit without any confirmation.""",
).tag(config=True)
editing_mode = Unicode(
'emacs',
help="Shortcut style to use at the prompt. 'vi' or 'emacs'.",
).tag(config=True)
mouse_support = Bool(
False,
help=
"Enable mouse support in the prompt\n(Note: prevents selecting text with the mouse)"
).tag(config=True)
highlighting_style = Union(
[Unicode('legacy'), Type(klass=Style)],
help="""The name or class of a Pygments style to use for syntax
highlighting: \n %s""" % ', '.join(get_all_styles())).tag(config=True)
@observe('highlighting_style')
@observe('colors')
def _highlighting_style_changed(self, change):
self.refresh_style()
def refresh_style(self):
self._style = self._make_style_from_name_or_cls(
self.highlighting_style)
highlighting_style_overrides = Dict(
help="Override highlighting format for specific tokens").tag(
config=True)
true_color = Bool(
False,
help=("Use 24bit colors instead of 256 colors in prompt highlighting. "
"If your terminal supports true color, the following command "
"should print 'TRUECOLOR' in orange: "
"printf \"\\x1b[38;2;255;100;0mTRUECOLOR\\x1b[0m\\n\"")).tag(
config=True)
editor = Unicode(
get_default_editor(),
help="Set the editor used by IPython (default to $EDITOR/vi/notepad)."
).tag(config=True)
prompts_class = Type(
Prompts,
help='Class used to generate Prompt token for prompt_toolkit').tag(
config=True)
prompts = Instance(Prompts)
@default('prompts')
def _prompts_default(self):
return self.prompts_class(self)
@observe('prompts')
def _(self, change):
self._update_layout()
@default('displayhook_class')
def _displayhook_class_default(self):
return RichPromptDisplayHook
term_title = Bool(
True, help="Automatically set the terminal title").tag(config=True)
term_title_format = Unicode(
"IPython: {cwd}",
help=
"Customize the terminal title format. This is a python format string. "
+ "Available substitutions are: {cwd}.").tag(config=True)
display_completions = Enum(
('column', 'multicolumn', 'readlinelike'),
help=
("Options for displaying tab completions, 'column', 'multicolumn', and "
"'readlinelike'. These options are for `prompt_toolkit`, see "
"`prompt_toolkit` documentation for more information."),
default_value='multicolumn').tag(config=True)
highlight_matching_brackets = Bool(
True,
help="Highlight matching brackets.",
).tag(config=True)
extra_open_editor_shortcuts = Bool(
False,
help=
"Enable vi (v) or Emacs (C-X C-E) shortcuts to open an external editor. "
"This is in addition to the F2 binding, which is always enabled.").tag(
config=True)
handle_return = Any(
None,
help="Provide an alternative handler to be called when the user presses "
"Return. This is an advanced option intended for debugging, which "
"may be changed or removed in later releases.").tag(config=True)
@observe('term_title')
def init_term_title(self, change=None):
# Enable or disable the terminal title.
if self.term_title:
toggle_set_term_title(True)
set_term_title(self.term_title_format.format(cwd=abbrev_cwd()))
else:
toggle_set_term_title(False)
def init_display_formatter(self):
super(TerminalInteractiveShell, self).init_display_formatter()
# terminal only supports plain text
self.display_formatter.active_types = ['text/plain']
# disable `_ipython_display_`
self.display_formatter.ipython_display_formatter.enabled = False
def init_prompt_toolkit_cli(self):
if self.simple_prompt:
# Fall back to plain non-interactive output for tests.
# This is very limited, and only accepts a single line.
def prompt():
isp = self.input_splitter
prompt_text = "".join(x[1]
for x in self.prompts.in_prompt_tokens())
prompt_continuation = "".join(
x[1] for x in self.prompts.continuation_prompt_tokens())
while isp.push_accepts_more():
line = cast_unicode_py2(input(prompt_text))
isp.push(line)
prompt_text = prompt_continuation
return isp.source_reset()
self.prompt_for_code = prompt
return
# Set up keyboard shortcuts
kbmanager = KeyBindingManager.for_prompt(
enable_open_in_editor=self.extra_open_editor_shortcuts, )
register_ipython_shortcuts(kbmanager.registry, self)
# Pre-populate history from IPython's history database
history = InMemoryHistory()
last_cell = u""
for __, ___, cell in self.history_manager.get_tail(
self.history_load_length, include_latest=True):
# Ignore blank lines and consecutive duplicates
cell = cell.rstrip()
if cell and (cell != last_cell):
history.append(cell)
last_cell = cell
self._style = self._make_style_from_name_or_cls(
self.highlighting_style)
self.style = DynamicStyle(lambda: self._style)
editing_mode = getattr(EditingMode, self.editing_mode.upper())
def patch_stdout(**kwargs):
return self.pt_cli.patch_stdout_context(**kwargs)
self._pt_app = create_prompt_application(
editing_mode=editing_mode,
key_bindings_registry=kbmanager.registry,
history=history,
completer=IPythonPTCompleter(shell=self,
patch_stdout=patch_stdout),
enable_history_search=True,
style=self.style,
mouse_support=self.mouse_support,
**self._layout_options())
self._eventloop = create_eventloop(self.inputhook)
self.pt_cli = CommandLineInterface(
self._pt_app,
eventloop=self._eventloop,
output=create_output(true_color=self.true_color))
def _make_style_from_name_or_cls(self, name_or_cls):
"""
Small wrapper that make an IPython compatible style from a style name
We need that to add style for prompt ... etc.
"""
style_overrides = {}
if name_or_cls == 'legacy':
legacy = self.colors.lower()
if legacy == 'linux':
style_cls = get_style_by_name('monokai')
style_overrides = _style_overrides_linux
elif legacy == 'lightbg':
style_overrides = _style_overrides_light_bg
style_cls = get_style_by_name('pastie')
elif legacy == 'neutral':
# The default theme needs to be visible on both a dark background
# and a light background, because we can't tell what the terminal
# looks like. These tweaks to the default theme help with that.
style_cls = get_style_by_name('default')
style_overrides.update({
Token.Number: '#007700',
Token.Operator: 'noinherit',
Token.String: '#BB6622',
Token.Name.Function: '#2080D0',
Token.Name.Class: 'bold #2080D0',
Token.Name.Namespace: 'bold #2080D0',
Token.Prompt: '#009900',
Token.PromptNum: '#00ff00 bold',
Token.OutPrompt: '#990000',
Token.OutPromptNum: '#ff0000 bold',
})
# Hack: Due to limited color support on the Windows console
# the prompt colors will be wrong without this
if os.name == 'nt':
style_overrides.update({
Token.Prompt: '#ansidarkgreen',
Token.PromptNum: '#ansigreen bold',
Token.OutPrompt: '#ansidarkred',
Token.OutPromptNum: '#ansired bold',
})
elif legacy == 'nocolor':
style_cls = _NoStyle
style_overrides = {}
else:
raise ValueError('Got unknown colors: ', legacy)
else:
if isinstance(name_or_cls, str):
style_cls = get_style_by_name(name_or_cls)
else:
style_cls = name_or_cls
style_overrides = {
Token.Prompt: '#009900',
Token.PromptNum: '#00ff00 bold',
Token.OutPrompt: '#990000',
Token.OutPromptNum: '#ff0000 bold',
}
style_overrides.update(self.highlighting_style_overrides)
style = PygmentsStyle.from_defaults(pygments_style_cls=style_cls,
style_dict=style_overrides)
return style
def _layout_options(self):
"""
Return the current layout option for the current Terminal InteractiveShell
"""
return {
'lexer':
IPythonPTLexer(),
'reserve_space_for_menu':
self.space_for_menu,
'get_prompt_tokens':
self.prompts.in_prompt_tokens,
'get_continuation_tokens':
self.prompts.continuation_prompt_tokens,
'multiline':
True,
'display_completions_in_columns':
(self.display_completions == 'multicolumn'),
# Highlight matching brackets, but only when this setting is
# enabled, and only when the DEFAULT_BUFFER has the focus.
'extra_input_processors': [
ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(
chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone()
& Condition(lambda cli: self.highlight_matching_brackets))
],
}
def _update_layout(self):
"""
Ask for a re computation of the application layout, if for example ,
some configuration options have changed.
"""
if self._pt_app:
self._pt_app.layout = create_prompt_layout(
**self._layout_options())
def prompt_for_code(self):
with self.pt_cli.patch_stdout_context(raw=True):
document = self.pt_cli.run(pre_run=self.pre_prompt,
reset_current_buffer=True)
return document.text
def enable_win_unicode_console(self):
if sys.version_info >= (3, 6):
# Since PEP 528, Python uses the unicode APIs for the Windows
# console by default, so WUC shouldn't be needed.
return
import win_unicode_console
win_unicode_console.enable()
def init_io(self):
if sys.platform not in {'win32', 'cli'}:
return
self.enable_win_unicode_console()
import colorama
colorama.init()
# For some reason we make these wrappers around stdout/stderr.
# For now, we need to reset them so all output gets coloured.
# https://github.com/ipython/ipython/issues/8669
# io.std* are deprecated, but don't show our own deprecation warnings
# during initialization of the deprecated API.
with warnings.catch_warnings():
warnings.simplefilter('ignore', DeprecationWarning)
io.stdout = io.IOStream(sys.stdout)
io.stderr = io.IOStream(sys.stderr)
def init_magics(self):
super(TerminalInteractiveShell, self).init_magics()
self.register_magics(TerminalMagics)
def init_alias(self):
# The parent class defines aliases that can be safely used with any
# frontend.
super(TerminalInteractiveShell, self).init_alias()
# Now define aliases that only make sense on the terminal, because they
# need direct access to the console in a way that we can't emulate in
# GUI or web frontend
if os.name == 'posix':
for cmd in ['clear', 'more', 'less', 'man']:
self.alias_manager.soft_define_alias(cmd, cmd)
def __init__(self, *args, **kwargs):
super(TerminalInteractiveShell, self).__init__(*args, **kwargs)
self.init_prompt_toolkit_cli()
self.init_term_title()
self.keep_running = True
self.debugger_history = InMemoryHistory()
def ask_exit(self):
self.keep_running = False
rl_next_input = None
def pre_prompt(self):
if self.rl_next_input:
# We can't set the buffer here, because it will be reset just after
# this. Adding a callable to pre_run_callables does what we need
# after the buffer is reset.
s = self.rl_next_input
def set_doc():
self.pt_cli.application.buffer.document = Document(s)
if hasattr(self.pt_cli, 'pre_run_callables'):
self.pt_cli.pre_run_callables.append(set_doc)
else:
# Older version of prompt_toolkit; it's OK to set the document
# directly here.
set_doc()
self.rl_next_input = None
def interact(self, display_banner=DISPLAY_BANNER_DEPRECATED):
if display_banner is not DISPLAY_BANNER_DEPRECATED:
warn(
'interact `display_banner` argument is deprecated since IPython 5.0. Call `show_banner()` if needed.',
DeprecationWarning,
stacklevel=2)
self.keep_running = True
while self.keep_running:
print(self.separate_in, end='')
try:
code = self.prompt_for_code()
except EOFError:
if (not self.confirm_exit) \
or self.ask_yes_no('Do you really want to exit ([y]/n)?','y','n'):
self.ask_exit()
else:
if code:
self.run_cell(code, store_history=True)
def mainloop(self, display_banner=DISPLAY_BANNER_DEPRECATED):
# An extra layer of protection in case someone mashing Ctrl-C breaks
# out of our internal code.
if display_banner is not DISPLAY_BANNER_DEPRECATED:
warn(
'mainloop `display_banner` argument is deprecated since IPython 5.0. Call `show_banner()` if needed.',
DeprecationWarning,
stacklevel=2)
while True:
try:
self.interact()
break
except KeyboardInterrupt as e:
print("\n%s escaped interact()\n" % type(e).__name__)
finally:
# An interrupt during the eventloop will mess up the
# internal state of the prompt_toolkit library.
# Stopping the eventloop fixes this, see
# https://github.com/ipython/ipython/pull/9867
if hasattr(self, '_eventloop'):
self._eventloop.stop()
_inputhook = None
def inputhook(self, context):
if self._inputhook is not None:
self._inputhook(context)
active_eventloop = None
def enable_gui(self, gui=None):
if gui:
self.active_eventloop, self._inputhook =\
get_inputhook_name_and_func(gui)
else:
self.active_eventloop = self._inputhook = None
# Run !system commands directly, not through pipes, so terminal programs
# work correctly.
system = InteractiveShell.system_raw
def auto_rewrite_input(self, cmd):
"""Overridden from the parent class to use fancy rewriting prompt"""
if not self.show_rewritten_input:
return
tokens = self.prompts.rewrite_prompt_tokens()
if self.pt_cli:
self.pt_cli.print_tokens(tokens)
print(cmd)
else:
prompt = ''.join(s for t, s in tokens)
print(prompt, cmd, sep='')
_prompts_before = None
def switch_doctest_mode(self, mode):
"""Switch prompts to classic for %doctest_mode"""
if mode:
self._prompts_before = self.prompts
self.prompts = ClassicPrompts(self)
elif self._prompts_before:
self.prompts = self._prompts_before
self._prompts_before = None
self._update_layout()
def embed(globals=None, locals=None, configure=None,
vi_mode=False, history_filename=None, title=None,
startup_paths=None, patch_stdout=False, return_asyncio_coroutine=False):
"""
Call this to embed Python shell at the current point in your program.
It's similar to `IPython.embed` and `bpython.embed`. ::
from prompt_toolkit.contrib.repl import embed
embed(globals(), locals())
:param vi_mode: Boolean. Use Vi instead of Emacs key bindings.
:param configure: Callable that will be called with the `PythonRepl` as a first
argument, to trigger configuration.
:param title: Title to be displayed in the terminal titlebar. (None or string.)
"""
assert configure is None or callable(configure)
# Default globals/locals
if globals is None:
globals = {
'__name__': '__main__',
'__package__': None,
'__doc__': None,
'__builtins__': six.moves.builtins,
}
locals = locals or globals
def get_globals():
return globals
def get_locals():
return locals
# Create eventloop.
if return_asyncio_coroutine:
eventloop = create_asyncio_eventloop()
else:
eventloop = create_eventloop()
# Create REPL.
repl = PythonRepl(get_globals, get_locals, vi_mode=vi_mode,
history_filename=history_filename,
startup_paths=startup_paths)
if title:
repl.terminal_title = title
if configure:
configure(repl)
cli = CommandLineInterface(application=repl.create_application(), eventloop=eventloop)
# Start repl.
patch_context = cli.patch_stdout_context() if patch_stdout else DummyContext()
if return_asyncio_coroutine:
def coroutine():
with patch_context:
for future in cli.run_async():
yield future
return coroutine()
else:
with patch_context:
cli.run()
def prompt(self, message='', **kwargs):
"""Get input from the user and return it.
This is a wrapper around a lot of prompt_toolkit functionality and
can be a replacement for raw_input. (or GNU readline.) If you want
to keep your history across several calls, create one
`~prompt_toolkit.history.History instance and pass it every
time. This function accepts many keyword arguments. Except for the
following. they are a proxy to the arguments of
create_prompt_application().
Parameters
----------
patch_stdout : file-like, optional
Replace ``sys.stdout`` by a proxy that ensures that print
statements from other threads won't destroy the prompt. (They
will be printed above the prompt instead.)
return_asyncio_coroutine : bool, optional
When True, return a asyncio coroutine. (Python >3.3)
Notes
-----
This method was forked from the mainline prompt-toolkit repo.
Copyright (c) 2014, Jonathan Slenders, All rights reserved.
"""
patch_stdout = kwargs.pop('patch_stdout', False)
return_asyncio_coroutine = kwargs.pop('return_asyncio_coroutine',
False)
if return_asyncio_coroutine:
eventloop = create_asyncio_eventloop()
else:
eventloop = kwargs.pop('eventloop', None) or create_eventloop()
# Create CommandLineInterface.
if self.cli is None:
if self.major_minor < (0, 57):
kwargs.pop('reserve_space_for_menu', None)
if self.major_minor <= (0, 57):
kwargs.pop('get_rprompt_tokens', None)
kwargs.pop('get_continuation_tokens', None)
# VI_Mode handling changed in prompt_toolkit v1.0
if self.major_minor >= (1, 0):
from prompt_toolkit.enums import EditingMode
if builtins.__xonsh_env__.get('VI_MODE'):
editing_mode = EditingMode.VI
else:
editing_mode = EditingMode.EMACS
kwargs['editing_mode'] = editing_mode
kwargs['vi_mode'] = builtins.__xonsh_env__.get('VI_MODE')
cli = CommandLineInterface(application=create_prompt_application(
message, **kwargs),
eventloop=eventloop,
output=create_output())
self.cli = cli
else:
cli = self.cli
# Replace stdout.
patch_context = cli.patch_stdout_context(
) if patch_stdout else DummyContext()
# Read input and return it.
if return_asyncio_coroutine:
# Create an asyncio coroutine and call it.
exec_context = {'patch_context': patch_context, 'cli': cli}
exec(
textwrap.dedent('''
import asyncio
@asyncio.coroutine
def prompt_coro():
with patch_context:
document = yield from cli.run_async(reset_current_buffer=False)
if document:
return document.text
'''), exec_context)
return exec_context['prompt_coro']()
else:
# Note: We pass `reset_current_buffer=False`, because that way
# it's easy to give DEFAULT_BUFFER a default value, without it
# getting erased. We don't have to reset anyway, because this is
# the first and only time that this CommandLineInterface will run.
try:
with patch_context:
document = cli.run(reset_current_buffer=False)
if document:
return document.text
finally:
eventloop.close()
def prompt(self, message="", **kwargs):
"""Get input from the user and return it.
This is a wrapper around a lot of prompt_toolkit functionality and
can be a replacement for raw_input. (or GNU readline.) If you want
to keep your history across several calls, create one
`~prompt_toolkit.history.History instance and pass it every
time. This function accepts many keyword arguments. Except for the
following. they are a proxy to the arguments of
create_prompt_application().
Parameters
----------
patch_stdout : file-like, optional
Replace ``sys.stdout`` by a proxy that ensures that print
statements from other threads won't destroy the prompt. (They
will be printed above the prompt instead.)
return_asyncio_coroutine : bool, optional
When True, return a asyncio coroutine. (Python >3.3)
Notes
-----
This method was forked from the mainline prompt-toolkit repo.
Copyright (c) 2014, Jonathan Slenders, All rights reserved.
"""
patch_stdout = kwargs.pop("patch_stdout", False)
return_asyncio_coroutine = kwargs.pop("return_asyncio_coroutine", False)
if return_asyncio_coroutine:
eventloop = create_asyncio_eventloop()
else:
eventloop = kwargs.pop("eventloop", None) or create_eventloop()
# Create CommandLineInterface.
if self.cli is None:
if builtins.__xonsh__.env.get("VI_MODE"):
editing_mode = EditingMode.VI
else:
editing_mode = EditingMode.EMACS
kwargs["editing_mode"] = editing_mode
cli = CommandLineInterface(
application=create_prompt_application(message, **kwargs),
eventloop=eventloop,
output=create_output(),
)
self.cli = cli
else:
cli = self.cli
# Replace stdout.
patch_context = cli.patch_stdout_context() if patch_stdout else DummyContext()
# Read input and return it.
if return_asyncio_coroutine:
# Create an asyncio coroutine and call it.
exec_context = {"patch_context": patch_context, "cli": cli}
exec(
textwrap.dedent(
"""
import asyncio
@asyncio.coroutine
def prompt_coro():
with patch_context:
document = yield from cli.run_async(reset_current_buffer=False)
if document:
return document.text
"""
),
exec_context,
)
return exec_context["prompt_coro"]()
else:
# Note: We pass `reset_current_buffer=False`, because that way
# it's easy to give DEFAULT_BUFFER a default value, without it
# getting erased. We don't have to reset anyway, because this is
# the first and only time that this CommandLineInterface will run.
try:
with patch_context:
document = cli.run(reset_current_buffer=False)
if document:
return document.text
except Exception:
xt.print_exception()
# return something to prevent xonsh crash when any
# exceptions raise
return ""
finally:
eventloop.close()
def prompt(self, message='', **kwargs):
"""Get input from the user and return it.
This is a wrapper around a lot of prompt_toolkit functionality and
can be a replacement for raw_input. (or GNU readline.) If you want
to keep your history across several calls, create one
`~prompt_toolkit.history.History instance and pass it every
time. This function accepts many keyword arguments. Except for the
following. they are a proxy to the arguments of
create_prompt_application().
Parameters
----------
patch_stdout : file-like, optional
Replace ``sys.stdout`` by a proxy that ensures that print
statements from other threads won't destroy the prompt. (They
will be printed above the prompt instead.)
return_asyncio_coroutine : bool, optional
When True, return a asyncio coroutine. (Python >3.3)
Notes
-----
This method was forked from the mainline prompt-toolkit repo.
Copyright (c) 2014, Jonathan Slenders, All rights reserved.
"""
patch_stdout = kwargs.pop('patch_stdout', False)
return_asyncio_coroutine = kwargs.pop('return_asyncio_coroutine', False)
if return_asyncio_coroutine:
eventloop = create_asyncio_eventloop()
else:
eventloop = kwargs.pop('eventloop', None) or create_eventloop()
# Create CommandLineInterface.
if self.cli is None:
if self.major_minor < (0, 57):
kwargs.pop('reserve_space_for_menu', None)
if self.major_minor <= (0, 57):
kwargs.pop('get_rprompt_tokens', None)
kwargs.pop('get_continuation_tokens', None)
# VI_Mode handling changed in prompt_toolkit v1.0
if self.major_minor >= (1, 0):
from prompt_toolkit.enums import EditingMode
if builtins.__xonsh_env__.get('VI_MODE'):
editing_mode = EditingMode.VI
else:
editing_mode = EditingMode.EMACS
kwargs['editing_mode'] = editing_mode
kwargs['vi_mode'] = builtins.__xonsh_env__.get('VI_MODE')
cli = CommandLineInterface(
application=create_prompt_application(message, **kwargs),
eventloop=eventloop,
output=create_output())
self.cli = cli
else:
cli = self.cli
# Replace stdout.
patch_context = cli.patch_stdout_context() if patch_stdout else DummyContext()
# Read input and return it.
if return_asyncio_coroutine:
# Create an asyncio coroutine and call it.
exec_context = {'patch_context': patch_context, 'cli': cli}
exec(textwrap.dedent('''
import asyncio
@asyncio.coroutine
def prompt_coro():
with patch_context:
document = yield from cli.run_async(reset_current_buffer=False)
if document:
return document.text
'''), exec_context)
return exec_context['prompt_coro']()
else:
# Note: We pass `reset_current_buffer=False`, because that way
# it's easy to give DEFAULT_BUFFER a default value, without it
# getting erased. We don't have to reset anyway, because this is
# the first and only time that this CommandLineInterface will run.
try:
with patch_context:
document = cli.run(reset_current_buffer=False)
if document:
return document.text
finally:
eventloop.close()
class TerminalInteractiveShell(InteractiveShell):
space_for_menu = Integer(6, help='Number of line at the bottom of the screen '
'to reserve for the completion menu'
).tag(config=True)
def _space_for_menu_changed(self, old, new):
self._update_layout()
pt_cli = None
debugger_history = None
_pt_app = None
simple_prompt = Bool(_use_simple_prompt,
help="""Use `raw_input` for the REPL, without completion and prompt colors.
Useful when controlling IPython as a subprocess, and piping STDIN/OUT/ERR. Known usage are:
IPython own testing machinery, and emacs inferior-shell integration through elpy.
This mode default to `True` if the `IPY_TEST_SIMPLE_PROMPT`
environment variable is set, or the current terminal is not a tty."""
).tag(config=True)
@property
def debugger_cls(self):
return Pdb if self.simple_prompt else TerminalPdb
confirm_exit = Bool(True,
help="""
Set to confirm when you try to exit IPython with an EOF (Control-D
in Unix, Control-Z/Enter in Windows). By typing 'exit' or 'quit',
you can force a direct exit without any confirmation.""",
).tag(config=True)
editing_mode = Unicode('emacs',
help="Shortcut style to use at the prompt. 'vi' or 'emacs'.",
).tag(config=True)
mouse_support = Bool(False,
help="Enable mouse support in the prompt\n(Note: prevents selecting text with the mouse)"
).tag(config=True)
# We don't load the list of styles for the help string, because loading
# Pygments plugins takes time and can cause unexpected errors.
highlighting_style = Union([Unicode('legacy'), Type(klass=Style)],
help="""The name or class of a Pygments style to use for syntax
highlighting. To see available styles, run `pygmentize -L styles`."""
).tag(config=True)
@observe('highlighting_style')
@observe('colors')
def _highlighting_style_changed(self, change):
self.refresh_style()
def refresh_style(self):
self._style = self._make_style_from_name_or_cls(self.highlighting_style)
highlighting_style_overrides = Dict(
help="Override highlighting format for specific tokens"
).tag(config=True)
true_color = Bool(False,
help=("Use 24bit colors instead of 256 colors in prompt highlighting. "
"If your terminal supports true color, the following command "
"should print 'TRUECOLOR' in orange: "
"printf \"\\x1b[38;2;255;100;0mTRUECOLOR\\x1b[0m\\n\"")
).tag(config=True)
editor = Unicode(get_default_editor(),
help="Set the editor used by IPython (default to $EDITOR/vi/notepad)."
).tag(config=True)
prompts_class = Type(Prompts, help='Class used to generate Prompt token for prompt_toolkit').tag(config=True)
prompts = Instance(Prompts)
@default('prompts')
def _prompts_default(self):
return self.prompts_class(self)
@observe('prompts')
def _(self, change):
self._update_layout()
@default('displayhook_class')
def _displayhook_class_default(self):
return RichPromptDisplayHook
term_title = Bool(True,
help="Automatically set the terminal title"
).tag(config=True)
term_title_format = Unicode("IPython: {cwd}",
help="Customize the terminal title format. This is a python format string. " +
"Available substitutions are: {cwd}."
).tag(config=True)
display_completions = Enum(('column', 'multicolumn','readlinelike'),
help= ( "Options for displaying tab completions, 'column', 'multicolumn', and "
"'readlinelike'. These options are for `prompt_toolkit`, see "
"`prompt_toolkit` documentation for more information."
),
default_value='multicolumn').tag(config=True)
highlight_matching_brackets = Bool(True,
help="Highlight matching brackets.",
).tag(config=True)
extra_open_editor_shortcuts = Bool(False,
help="Enable vi (v) or Emacs (C-X C-E) shortcuts to open an external editor. "
"This is in addition to the F2 binding, which is always enabled."
).tag(config=True)
handle_return = Any(None,
help="Provide an alternative handler to be called when the user presses "
"Return. This is an advanced option intended for debugging, which "
"may be changed or removed in later releases."
).tag(config=True)
@observe('term_title')
def init_term_title(self, change=None):
# Enable or disable the terminal title.
if self.term_title:
toggle_set_term_title(True)
set_term_title(self.term_title_format.format(cwd=abbrev_cwd()))
else:
toggle_set_term_title(False)
def init_display_formatter(self):
super(TerminalInteractiveShell, self).init_display_formatter()
# terminal only supports plain text
self.display_formatter.active_types = ['text/plain']
# disable `_ipython_display_`
self.display_formatter.ipython_display_formatter.enabled = False
def init_prompt_toolkit_cli(self):
if self.simple_prompt:
# Fall back to plain non-interactive output for tests.
# This is very limited, and only accepts a single line.
def prompt():
isp = self.input_splitter
prompt_text = "".join(x[1] for x in self.prompts.in_prompt_tokens())
prompt_continuation = "".join(x[1] for x in self.prompts.continuation_prompt_tokens())
while isp.push_accepts_more():
line = input(prompt_text)
isp.push(line)
prompt_text = prompt_continuation
return isp.source_reset()
self.prompt_for_code = prompt
return
# Set up keyboard shortcuts
kbmanager = KeyBindingManager.for_prompt(
enable_open_in_editor=self.extra_open_editor_shortcuts,
)
register_ipython_shortcuts(kbmanager.registry, self)
# Pre-populate history from IPython's history database
history = InMemoryHistory()
last_cell = u""
for __, ___, cell in self.history_manager.get_tail(self.history_load_length,
include_latest=True):
# Ignore blank lines and consecutive duplicates
cell = cell.rstrip()
if cell and (cell != last_cell):
history.append(cell)
last_cell = cell
self._style = self._make_style_from_name_or_cls(self.highlighting_style)
self.style = DynamicStyle(lambda: self._style)
editing_mode = getattr(EditingMode, self.editing_mode.upper())
def patch_stdout(**kwargs):
return self.pt_cli.patch_stdout_context(**kwargs)
self._pt_app = create_prompt_application(
editing_mode=editing_mode,
key_bindings_registry=kbmanager.registry,
history=history,
completer=IPythonPTCompleter(shell=self,
patch_stdout=patch_stdout),
enable_history_search=True,
style=self.style,
mouse_support=self.mouse_support,
**self._layout_options()
)
self._eventloop = create_eventloop(self.inputhook)
self.pt_cli = CommandLineInterface(
self._pt_app, eventloop=self._eventloop,
output=create_output(true_color=self.true_color))
def _make_style_from_name_or_cls(self, name_or_cls):
"""
Small wrapper that make an IPython compatible style from a style name
We need that to add style for prompt ... etc.
"""
style_overrides = {}
if name_or_cls == 'legacy':
legacy = self.colors.lower()
if legacy == 'linux':
style_cls = get_style_by_name('monokai')
style_overrides = _style_overrides_linux
elif legacy == 'lightbg':
style_overrides = _style_overrides_light_bg
style_cls = get_style_by_name('pastie')
elif legacy == 'neutral':
# The default theme needs to be visible on both a dark background
# and a light background, because we can't tell what the terminal
# looks like. These tweaks to the default theme help with that.
style_cls = get_style_by_name('default')
style_overrides.update({
Token.Number: '#007700',
Token.Operator: 'noinherit',
Token.String: '#BB6622',
Token.Name.Function: '#2080D0',
Token.Name.Class: 'bold #2080D0',
Token.Name.Namespace: 'bold #2080D0',
Token.Prompt: '#009900',
Token.PromptNum: '#00ff00 bold',
Token.OutPrompt: '#990000',
Token.OutPromptNum: '#ff0000 bold',
})
# Hack: Due to limited color support on the Windows console
# the prompt colors will be wrong without this
if os.name == 'nt':
style_overrides.update({
Token.Prompt: '#ansidarkgreen',
Token.PromptNum: '#ansigreen bold',
Token.OutPrompt: '#ansidarkred',
Token.OutPromptNum: '#ansired bold',
})
elif legacy =='nocolor':
style_cls=_NoStyle
style_overrides = {}
else :
raise ValueError('Got unknown colors: ', legacy)
else :
if isinstance(name_or_cls, str):
style_cls = get_style_by_name(name_or_cls)
else:
style_cls = name_or_cls
style_overrides = {
Token.Prompt: '#009900',
Token.PromptNum: '#00ff00 bold',
Token.OutPrompt: '#990000',
Token.OutPromptNum: '#ff0000 bold',
}
style_overrides.update(self.highlighting_style_overrides)
style = PygmentsStyle.from_defaults(pygments_style_cls=style_cls,
style_dict=style_overrides)
return style
def _layout_options(self):
"""
Return the current layout option for the current Terminal InteractiveShell
"""
return {
'lexer':IPythonPTLexer(),
'reserve_space_for_menu':self.space_for_menu,
'get_prompt_tokens':self.prompts.in_prompt_tokens,
'get_continuation_tokens':self.prompts.continuation_prompt_tokens,
'multiline':True,
'display_completions_in_columns': (self.display_completions == 'multicolumn'),
# Highlight matching brackets, but only when this setting is
# enabled, and only when the DEFAULT_BUFFER has the focus.
'extra_input_processors': [ConditionalProcessor(
processor=HighlightMatchingBracketProcessor(chars='[](){}'),
filter=HasFocus(DEFAULT_BUFFER) & ~IsDone() &
Condition(lambda cli: self.highlight_matching_brackets))],
}
def _update_layout(self):
"""
Ask for a re computation of the application layout, if for example ,
some configuration options have changed.
"""
if self._pt_app:
self._pt_app.layout = create_prompt_layout(**self._layout_options())
def prompt_for_code(self):
with self.pt_cli.patch_stdout_context(raw=True):
document = self.pt_cli.run(
pre_run=self.pre_prompt, reset_current_buffer=True)
return document.text
def enable_win_unicode_console(self):
if sys.version_info >= (3, 6):
# Since PEP 528, Python uses the unicode APIs for the Windows
# console by default, so WUC shouldn't be needed.
return
import win_unicode_console
win_unicode_console.enable()
def init_io(self):
if sys.platform not in {'win32', 'cli'}:
return
self.enable_win_unicode_console()
import colorama
colorama.init()
# For some reason we make these wrappers around stdout/stderr.
# For now, we need to reset them so all output gets coloured.
# https://github.com/ipython/ipython/issues/8669
# io.std* are deprecated, but don't show our own deprecation warnings
# during initialization of the deprecated API.
with warnings.catch_warnings():
warnings.simplefilter('ignore', DeprecationWarning)
io.stdout = io.IOStream(sys.stdout)
io.stderr = io.IOStream(sys.stderr)
def init_magics(self):
super(TerminalInteractiveShell, self).init_magics()
self.register_magics(TerminalMagics)
def init_alias(self):
# The parent class defines aliases that can be safely used with any
# frontend.
super(TerminalInteractiveShell, self).init_alias()
# Now define aliases that only make sense on the terminal, because they
# need direct access to the console in a way that we can't emulate in
# GUI or web frontend
if os.name == 'posix':
for cmd in ['clear', 'more', 'less', 'man']:
self.alias_manager.soft_define_alias(cmd, cmd)
def __init__(self, *args, **kwargs):
super(TerminalInteractiveShell, self).__init__(*args, **kwargs)
self.init_prompt_toolkit_cli()
self.init_term_title()
self.keep_running = True
self.debugger_history = InMemoryHistory()
def ask_exit(self):
self.keep_running = False
rl_next_input = None
def pre_prompt(self):
if self.rl_next_input:
# We can't set the buffer here, because it will be reset just after
# this. Adding a callable to pre_run_callables does what we need
# after the buffer is reset.
s = self.rl_next_input
def set_doc():
self.pt_cli.application.buffer.document = Document(s)
if hasattr(self.pt_cli, 'pre_run_callables'):
self.pt_cli.pre_run_callables.append(set_doc)
else:
# Older version of prompt_toolkit; it's OK to set the document
# directly here.
set_doc()
self.rl_next_input = None
def interact(self, display_banner=DISPLAY_BANNER_DEPRECATED):
if display_banner is not DISPLAY_BANNER_DEPRECATED:
warn('interact `display_banner` argument is deprecated since IPython 5.0. Call `show_banner()` if needed.', DeprecationWarning, stacklevel=2)
self.keep_running = True
while self.keep_running:
print(self.separate_in, end='')
try:
code = self.prompt_for_code()
except EOFError:
if (not self.confirm_exit) \
or self.ask_yes_no('Do you really want to exit ([y]/n)?','y','n'):
self.ask_exit()
else:
if code:
self.run_cell(code, store_history=True)
def mainloop(self, display_banner=DISPLAY_BANNER_DEPRECATED):
# An extra layer of protection in case someone mashing Ctrl-C breaks
# out of our internal code.
if display_banner is not DISPLAY_BANNER_DEPRECATED:
warn('mainloop `display_banner` argument is deprecated since IPython 5.0. Call `show_banner()` if needed.', DeprecationWarning, stacklevel=2)
while True:
try:
self.interact()
break
except KeyboardInterrupt as e:
print("\n%s escaped interact()\n" % type(e).__name__)
finally:
# An interrupt during the eventloop will mess up the
# internal state of the prompt_toolkit library.
# Stopping the eventloop fixes this, see
# https://github.com/ipython/ipython/pull/9867
if hasattr(self, '_eventloop'):
self._eventloop.stop()
_inputhook = None
def inputhook(self, context):
if self._inputhook is not None:
self._inputhook(context)
active_eventloop = None
def enable_gui(self, gui=None):
if gui:
self.active_eventloop, self._inputhook =\
get_inputhook_name_and_func(gui)
else:
self.active_eventloop = self._inputhook = None
# Run !system commands directly, not through pipes, so terminal programs
# work correctly.
system = InteractiveShell.system_raw
def auto_rewrite_input(self, cmd):
"""Overridden from the parent class to use fancy rewriting prompt"""
if not self.show_rewritten_input:
return
tokens = self.prompts.rewrite_prompt_tokens()
if self.pt_cli:
self.pt_cli.print_tokens(tokens)
print(cmd)
else:
prompt = ''.join(s for t, s in tokens)
print(prompt, cmd, sep='')
_prompts_before = None
def switch_doctest_mode(self, mode):
"""Switch prompts to classic for %doctest_mode"""
if mode:
self._prompts_before = self.prompts
self.prompts = ClassicPrompts(self)
elif self._prompts_before:
self.prompts = self._prompts_before
self._prompts_before = None
self._update_layout()
def prompt(self, message="", **kwargs):
"""Get input from the user and return it.
This is a wrapper around a lot of prompt_toolkit functionality and
can be a replacement for raw_input. (or GNU readline.) If you want
to keep your history across several calls, create one
`~prompt_toolkit.history.History instance and pass it every
time. This function accepts many keyword arguments. Except for the
following. they are a proxy to the arguments of
create_prompt_application().
Parameters
----------
patch_stdout : file-like, optional
Replace ``sys.stdout`` by a proxy that ensures that print
statements from other threads won't destroy the prompt. (They
will be printed above the prompt instead.)
return_asyncio_coroutine : bool, optional
When True, return a asyncio coroutine. (Python >3.3)
Notes
-----
This method was forked from the mainline prompt-toolkit repo.
Copyright (c) 2014, Jonathan Slenders, All rights reserved.
"""
patch_stdout = kwargs.pop("patch_stdout", False)
return_asyncio_coroutine = kwargs.pop("return_asyncio_coroutine",
False)
if return_asyncio_coroutine:
eventloop = create_asyncio_eventloop()
else:
eventloop = kwargs.pop("eventloop", None) or create_eventloop()
# Create CommandLineInterface.
if self.cli is None:
if builtins.__xonsh_env__.get("VI_MODE"):
editing_mode = EditingMode.VI
else:
editing_mode = EditingMode.EMACS
kwargs["editing_mode"] = editing_mode
cli = CommandLineInterface(
application=create_prompt_application(message, **kwargs),
eventloop=eventloop,
output=create_output(),
)
self.cli = cli
else:
cli = self.cli
# Replace stdout.
patch_context = cli.patch_stdout_context(
) if patch_stdout else DummyContext()
# Read input and return it.
if return_asyncio_coroutine:
# Create an asyncio coroutine and call it.
exec_context = {"patch_context": patch_context, "cli": cli}
exec(
textwrap.dedent("""
import asyncio
@asyncio.coroutine
def prompt_coro():
with patch_context:
document = yield from cli.run_async(reset_current_buffer=False)
if document:
return document.text
"""),
exec_context,
)
return exec_context["prompt_coro"]()
else:
# Note: We pass `reset_current_buffer=False`, because that way
# it's easy to give DEFAULT_BUFFER a default value, without it
# getting erased. We don't have to reset anyway, because this is
# the first and only time that this CommandLineInterface will run.
try:
with patch_context:
document = cli.run(reset_current_buffer=False)
if document:
return document.text
except Exception:
xt.print_exception()
# return something to prevent xonsh crash when any
# exceptions raise
return ""
finally:
eventloop.close()
def embed(globals=None,
locals=None,
configure=None,
vi_mode=False,
history_filename=None,
title=None,
startup_paths=None,
patch_stdout=False,
return_asyncio_coroutine=False):
"""
Call this to embed Python shell at the current point in your program.
It's similar to `IPython.embed` and `bpython.embed`. ::
from prompt_toolkit.contrib.repl import embed
embed(globals(), locals())
:param vi_mode: Boolean. Use Vi instead of Emacs key bindings.
:param configure: Callable that will be called with the `PythonRepl` as a first
argument, to trigger configuration.
:param title: Title to be displayed in the terminal titlebar. (None or string.)
"""
assert configure is None or callable(configure)
# Default globals/locals
if globals is None:
globals = {
'__name__': '__main__',
'__package__': None,
'__doc__': None,
'__builtins__': six.moves.builtins,
}
locals = locals or globals
def get_globals():
return globals
def get_locals():
return locals
# Create eventloop.
if return_asyncio_coroutine:
eventloop = create_asyncio_eventloop()
else:
eventloop = create_eventloop()
# Create REPL.
repl = PythonRepl(get_globals,
get_locals,
vi_mode=vi_mode,
history_filename=history_filename,
startup_paths=startup_paths)
if title:
repl.terminal_title = title
if configure:
configure(repl)
cli = CommandLineInterface(application=repl.create_application(),
eventloop=eventloop)
# Start repl.
patch_context = cli.patch_stdout_context(
) if patch_stdout else DummyContext()
if return_asyncio_coroutine:
def coroutine():
with patch_context:
for future in cli.run_async():
yield future
return coroutine()
else:
with patch_context:
cli.run()
class Pager(object):
"""
The Pager main application.
Usage::
p = Pager()
p.add_source(...)
p.run()
:param source: :class:`.Source` instance.
:param lexer: Prompt_toolkit `lexer` instance.
:param vi_mode: Enable Vi key bindings.
:param style: Prompt_toolkit `Style` instance.
:param search_text: `None` or the search string that is highlighted.
"""
def __init__(self,
vi_mode=False,
style=None,
search_text=None,
titlebar_tokens=None):
assert isinstance(vi_mode, bool)
assert style is None or isinstance(style, Style)
self.sources = []
self.current_source = 0 # Index in `self.sources`.
self.vi_mode = vi_mode
self.highlight_search = True
self.in_colon_mode = False
self.message = None
self.displaying_help = False
self.search_text = search_text
self.display_titlebar = bool(titlebar_tokens)
self.titlebar_tokens = titlebar_tokens or []
# When this is True, always make sure that the cursor goes to the
# bottom of the visible content. This is similar to 'tail -f'.
self.forward_forever = False
# Status information for all sources. Source -> _SourceInfo.
# (Remember this info as long as the Source object exists.)
self.source_info = weakref.WeakKeyDictionary()
# Create prompt_toolkit stuff.
self.buffers = BufferMapping({})
def open_file(cli, buff):
# Open file.
self.open_file(buff.text)
# Focus main buffer again.
self.buffers.focus(cli, self.source_info[self.source].buffer_name)
buff.reset()
self.buffers['EXAMINE'] = Buffer(
# Buffer for the 'Examine:' input.
completer=PathCompleter(expanduser=True),
accept_action=AcceptAction(open_file))
self.layout = Layout(self)
registry = create_key_bindings(self)
self.application = Application(layout=self.layout.container,
buffers=self.buffers,
key_bindings_registry=registry,
style=style or create_style(),
mouse_support=True,
on_render=self._on_render,
use_alternate_screen=True,
on_initialize=self._on_cli_initialize)
self.cli = None
self.eventloop = None
def _on_cli_initialize(self, cli):
"""
Called when a CommandLineInterface has been created.
"""
def synchronize(_=None):
if self.vi_mode:
cli.editing_mode = EditingMode.VI
else:
cli.editing_mode = EditingMode.EMACS
cli.input_processor.beforeKeyPress += synchronize
cli.input_processor.afterKeyPress += synchronize
synchronize()
@classmethod
def from_pipe(cls, lexer=None):
"""
Create a pager from another process that pipes in our stdin.
"""
assert not sys.stdin.isatty()
self = cls()
self.add_source(PipeSource(fileno=sys.stdin.fileno(), lexer=lexer))
return self
@property
def source(self):
" The current `Source`. "
return self.sources[self.current_source]
@property
def line_tokens(self):
return self.source_info[self.source].line_tokens
@property
def waiting_for_input_stream(self):
return self.source_info[self.source].waiting_for_input_stream
@property
def marks(self):
return self.source_info[self.source].marks
def open_file(self, filename):
"""
Open this file.
"""
lexer = PygmentsLexer.from_filename(filename, sync_from_start=False)
try:
source = FileSource(filename, lexer=lexer)
except IOError as e:
self.message = '{}'.format(e)
else:
self.add_source(source)
def add_source(self, source):
"""
Add a new :class:`.Source` instance.
"""
assert isinstance(source, Source)
source_info = _SourceInfo()
self.source_info[source] = source_info
self.buffers[source_info.buffer_name] = source_info.buffer
self.sources.append(source)
# Focus
self.current_source = len(self.sources) - 1
self.buffers.focus(None, source_info.buffer_name)
def remove_current_source(self):
"""
Remove the current source from the pager.
(If >1 source is left.)
"""
if len(self.sources) > 1:
current_source = self.source
# Focus the previous source.
self.focus_previous_source()
# Remove the last source.
buffer_name = self.source_info[current_source].buffer_name
self.sources.remove(current_source)
del self.buffers[buffer_name]
else:
self.message = "Can't remove the last buffer."
def focus_previous_source(self):
self.current_source = (self.current_source - 1) % len(self.sources)
self.buffers.focus(None, self.source_info[self.source].buffer_name)
self.in_colon_mode = False
def focus_next_source(self):
self.current_source = (self.current_source + 1) % len(self.sources)
self.buffers.focus(None, self.source_info[self.source].buffer_name)
self.in_colon_mode = False
def display_help(self):
"""
Display help text.
"""
if not self.displaying_help:
source = StringSource(HELP, lexer=PygmentsLexer(RstLexer))
self.add_source(source)
self.displaying_help = True
def quit_help(self):
"""
Hide the help text.
"""
if self.displaying_help:
self.remove_current_source()
self.displaying_help = False
def _on_render(self, cli):
"""
Each time when the rendering is done, we should see whether we need to
read more data from the input pipe.
"""
# When the bottom is visible, read more input.
# Try at least `info.window_height`, if this amount of data is
# available.
info = self.layout.dynamic_body.get_render_info()
source = self.source
source_info = self.source_info[source]
b = source_info.buffer
if not source_info.waiting_for_input_stream and not source.eof(
) and info:
lines_below_bottom = info.ui_content.line_count - info.last_visible_line(
)
# Make sure to preload at least 2x the amount of lines on a page.
if lines_below_bottom < info.window_height * 2 or self.forward_forever:
# Lines to be loaded.
lines = [info.window_height * 2 - lines_below_bottom
] # nonlocal
fd = source.get_fd()
def handle_content(tokens):
""" Handle tokens, update `line_tokens`, decrease
line count and return list of characters. """
data = []
for token_char in tokens:
char = token_char[1]
if char == '\n':
self.line_tokens.append([])
# Decrease line count.
lines[0] -= 1
else:
self.line_tokens[-1].append(token_char)
data.append(char)
return data
def insert_text(list_of_fragments):
document = Document(b.text + ''.join(list_of_fragments),
b.cursor_position)
b.set_document(document, bypass_readonly=True)
if self.forward_forever:
b.cursor_position = len(b.text)
def receive_content_from_fd():
# Read data from the source.
tokens = source.read_chunk()
data = handle_content(tokens)
# Set document.
insert_text(data)
# Remove the reader when we received another whole page.
# or when there is nothing more to read.
if lines[0] <= 0 or source.eof():
if fd is not None:
self.eventloop.remove_reader(fd)
source_info.waiting_for_input_stream = False
# Redraw.
self.cli.invalidate()
def receive_content_from_generator():
" (in executor) Read data from generator. "
# Call `read_chunk` as long as we need more lines.
while lines[0] > 0 and not source.eof():
tokens = source.read_chunk()
data = handle_content(tokens)
insert_text(data)
# Schedule redraw.
self.cli.invalidate()
source_info.waiting_for_input_stream = False
# Set 'waiting_for_input_stream' and render.
source_info.waiting_for_input_stream = True
self.cli.invalidate()
# Add reader for stdin.
if fd is not None:
self.eventloop.add_reader(fd, receive_content_from_fd)
else:
# Execute receive_content_from_generator in thread.
# (Don't use 'run_in_executor', because we need a daemon.
t = threading.Thread(target=receive_content_from_generator)
t.daemon = True
t.start()
def run(self):
"""
Create an event loop for the application and run it.
"""
self.eventloop = create_eventloop()
try:
self.cli = CommandLineInterface(application=self.application,
eventloop=self.eventloop,
input=StdinInput(sys.stdout))
# Hide message when a key is pressed.
def key_pressed(_):
self.message = None
self.cli.input_processor.beforeKeyPress += key_pressed
def pre_run():
# Set search highlighting.
if self.search_text:
self.cli.search_state.text = self.search_text
with self.cli.patch_stdout_context():
self.cli.run(reset_current_buffer=False, pre_run=pre_run)
finally:
# Close eventloop.
self.eventloop.close()
self.eventloop = None
