def _create_application(self):
"""
Create an `Application` instance.
"""
return Application(
input=self.input,
output=self.output,
layout=create_layout(
self,
lexer=DynamicLexer(
lambda: self._lexer
if self.enable_syntax_highlighting else SimpleLexer()),
input_buffer_height=self._input_buffer_height,
extra_buffer_processors=self._extra_buffer_processors,
extra_body=self._extra_layout_body,
extra_toolbars=self._extra_toolbars),
key_bindings=merge_key_bindings([
load_python_bindings(self),
load_sidebar_bindings(self),
load_confirm_exit_bindings(self),
# Extra key bindings should not be active when the sidebar is visible.
ConditionalKeyBindings(
self.extra_key_bindings,
Condition(lambda: not self.show_sidebar))
]),
color_depth=lambda: self.color_depth,
paste_mode=Condition(lambda: self.paste_mode),
mouse_support=Condition(lambda: self.enable_mouse_support),
style=DynamicStyle(lambda: self._current_style),
style_transformation=ConditionalStyleTransformation(
SwapLightAndDarkStyleTransformation(),
filter=Condition(lambda: self.swap_light_and_dark)),
include_default_pygments_style=False,
reverse_vi_search_direction=True)
def test_swap_light_and_dark_style_transformation():
transformation = SwapLightAndDarkStyleTransformation()
# Test with 6 digit hex colors.
before = Attrs(
color="440000",
bgcolor="888844",
bold=True,
underline=True,
strike=True,
italic=True,
blink=False,
reverse=False,
hidden=False,
)
after = Attrs(
color="ffbbbb",
bgcolor="bbbb76",
bold=True,
underline=True,
strike=True,
italic=True,
blink=False,
reverse=False,
hidden=False,
)
assert transformation.transform_attrs(before) == after
# Test with ANSI colors.
before = Attrs(
color="ansired",
bgcolor="ansiblack",
bold=True,
underline=True,
strike=True,
italic=True,
blink=False,
reverse=False,
hidden=False,
)
after = Attrs(
color="ansibrightred",
bgcolor="ansiwhite",
bold=True,
underline=True,
strike=True,
italic=True,
blink=False,
reverse=False,
hidden=False,
)
assert transformation.transform_attrs(before) == after
def test_swap_light_and_dark_style_transformation():
transformation = SwapLightAndDarkStyleTransformation()
# Test with 6 digit hex colors.
before = Attrs(color='440000', bgcolor='888844', bold=True, underline=True,
italic=True, blink=False, reverse=False, hidden=False)
after = Attrs(color='ffbbbb', bgcolor='bbbb76', bold=True, underline=True,
italic=True, blink=False, reverse=False, hidden=False)
assert transformation.transform_attrs(before) == after
# Test with ANSI colors.
before = Attrs(color='ansired', bgcolor='ansiblack', bold=True, underline=True,
italic=True, blink=False, reverse=False, hidden=False)
after = Attrs(color='ansibrightred', bgcolor='ansiwhite', bold=True, underline=True,
italic=True, blink=False, reverse=False, hidden=False)
assert transformation.transform_attrs(before) == after
def _create_application(self, editing_mode, erase_when_done):
"""
Create the `Application` object.
"""
dyncond = self._dyncond
# Default key bindings.
auto_suggest_bindings = load_auto_suggest_bindings()
open_in_editor_bindings = load_open_in_editor_bindings()
prompt_bindings = self._create_prompt_bindings()
# Create application
application = Application(
layout=self.layout,
style=DynamicStyle(lambda: self.style),
style_transformation=merge_style_transformations([
DynamicStyleTransformation(lambda: self.style_transformation),
ConditionalStyleTransformation(
SwapLightAndDarkStyleTransformation(),
dyncond('swap_light_and_dark_colors'),
),
]),
include_default_pygments_style=dyncond(
'include_default_pygments_style'),
clipboard=DynamicClipboard(lambda: self.clipboard),
key_bindings=merge_key_bindings([
merge_key_bindings([
auto_suggest_bindings,
ConditionalKeyBindings(
open_in_editor_bindings,
dyncond('enable_open_in_editor')
& has_focus(DEFAULT_BUFFER)), prompt_bindings
]),
DynamicKeyBindings(lambda: self.key_bindings),
]),
mouse_support=dyncond('mouse_support'),
editing_mode=editing_mode,
erase_when_done=erase_when_done,
reverse_vi_search_direction=True,
color_depth=lambda: self.color_depth,
# I/O.
input=self.input,
output=self.output)
# During render time, make sure that we focus the right search control
# (if we are searching). - This could be useful if people make the
# 'multiline' property dynamic.
'''
def on_render(app):
multiline = _true(self.multiline)
current_control = app.layout.current_control
if multiline:
if current_control == search_buffer_control:
app.layout.current_control = search_toolbar.control
app.invalidate()
else:
if current_control == search_toolbar.control:
app.layout.current_control = search_buffer_control
app.invalidate()
app.on_render += on_render
'''
return application
def __init__(
self,
get_globals=None,
get_locals=None,
history_filename=None,
vi_mode=False,
input=None,
output=None,
color_depth=None,
# For internal use.
extra_key_bindings=None,
_completer=None,
_validator=None,
_lexer=None,
_extra_buffer_processors=None,
_extra_layout_body=None,
_extra_toolbars=None,
_input_buffer_height=None):
self.get_globals = get_globals or (lambda: {})
self.get_locals = get_locals or self.get_globals
self._completer = _completer or PythonCompleter(
self.get_globals, self.get_locals)
self._validator = _validator or PythonValidator(
self.get_compiler_flags)
self._lexer = _lexer or PygmentsLexer(PythonLexer)
if history_filename:
self.history = ThreadedHistory(FileHistory(history_filename))
else:
self.history = InMemoryHistory()
self._input_buffer_height = _input_buffer_height
self._extra_layout_body = _extra_layout_body or []
self._extra_toolbars = _extra_toolbars or []
self._extra_buffer_processors = _extra_buffer_processors or []
self.extra_key_bindings = extra_key_bindings or KeyBindings()
# Settings.
self.show_signature = False
self.show_docstring = False
self.show_meta_enter_message = True
self.completion_visualisation = CompletionVisualisation.MULTI_COLUMN
self.completion_menu_scroll_offset = 1
self.show_line_numbers = False
self.show_status_bar = True
self.wrap_lines = True
self.complete_while_typing = True
self.paste_mode = False # When True, don't insert whitespace after newline.
self.confirm_exit = True # Ask for confirmation when Control-D is pressed.
self.accept_input_on_enter = 2 # Accept when pressing Enter 'n' times.
# 'None' means that meta-enter is always required.
self.enable_open_in_editor = True
self.enable_system_bindings = True
self.enable_input_validation = True
self.enable_auto_suggest = False
self.enable_mouse_support = False
self.enable_history_search = False # When True, like readline, going
# back in history will filter the
# history on the records starting
# with the current input.
self.enable_syntax_highlighting = True
self.swap_light_and_dark = False
self.highlight_matching_parenthesis = False
self.show_sidebar = False # Currently show the sidebar.
self.show_sidebar_help = True # When the sidebar is visible, also show the help text.
self.show_exit_confirmation = False # Currently show 'Do you really want to exit?'
self.terminal_title = None # The title to be displayed in the terminal. (None or string.)
self.exit_message = 'Do you really want to exit?'
self.insert_blank_line_after_output = True # (For the REPL.)
# The buffers.
self.default_buffer = self._create_buffer()
self.search_buffer = Buffer()
self.docstring_buffer = Buffer(read_only=True)
# Tokens to be shown at the prompt.
self.prompt_style = 'classic' # The currently active style.
self.all_prompt_styles = { # Styles selectable from the menu.
'ipython': IPythonPrompt(self),
'classic': ClassicPrompt(),
}
self.get_input_prompt = lambda: \
self.all_prompt_styles[self.prompt_style].in_prompt()
self.get_output_prompt = lambda: \
self.all_prompt_styles[self.prompt_style].out_prompt()
#: Load styles.
self.code_styles = get_all_code_styles()
self.ui_styles = get_all_ui_styles()
self._current_code_style_name = 'default'
self._current_ui_style_name = 'default'
if is_windows():
self._current_code_style_name = 'win32'
self._current_style = self._generate_style()
self.color_depth = color_depth or ColorDepth.default()
self.max_brightness = 1.0
self.min_brightness = 0.0
# Options to be configurable from the sidebar.
self.options = self._create_options()
self.selected_option_index = 0
#: Incremeting integer counting the current statement.
self.current_statement_index = 1
# Code signatures. (This is set asynchronously after a timeout.)
self.signatures = []
# Boolean indicating whether we have a signatures thread running.
# (Never run more than one at the same time.)
self._get_signatures_thread_running = False
self.output = output or create_output()
self.input = input or create_input(sys.stdin)
self.style_transformation = merge_style_transformations([
ConditionalStyleTransformation(
SwapLightAndDarkStyleTransformation(),
filter=Condition(lambda: self.swap_light_and_dark)),
AdjustBrightnessStyleTransformation(lambda: self.min_brightness,
lambda: self.max_brightness),
])
self.ptpython_layout = PtPythonLayout(
self,
lexer=DynamicLexer(lambda: self._lexer if self.
enable_syntax_highlighting else SimpleLexer()),
input_buffer_height=self._input_buffer_height,
extra_buffer_processors=self._extra_buffer_processors,
extra_body=self._extra_layout_body,
extra_toolbars=self._extra_toolbars)
self.app = self._create_application()
if vi_mode:
self.app.editing_mode = EditingMode.VI
def __init__(self, app):
self.app = app
self.payload_lexer = PeekLexer(stack=('value',))
self.style = style_from_pygments_cls(PeekStyle)
self.style_transformation = ConditionalStyleTransformation(
SwapLightAndDarkStyleTransformation(), self.app.config.as_bool('swap_colour'))
def _create_app(self):
"""
Create `Application` instance for this .
"""
pymux = self.pymux
def on_focus_changed():
""" When the focus changes to a read/write buffer, make sure to go
to insert mode. This happens when the ViState was set to NAVIGATION
in the copy buffer. """
vi_state = app.vi_state
if app.current_buffer.read_only():
vi_state.input_mode = InputMode.NAVIGATION
else:
vi_state.input_mode = InputMode.INSERT
app = Application(
output=self.output,
input=self.input,
color_depth=self.color_depth,
layout=Layout(container=self.layout_manager.layout),
key_bindings=pymux.key_bindings_manager.key_bindings,
mouse_support=Condition(lambda: pymux.enable_mouse_support),
full_screen=True,
style=self.pymux.style,
style_transformation=ConditionalStyleTransformation(
SwapLightAndDarkStyleTransformation(),
Condition(lambda: self.pymux.swap_dark_and_light),
),
on_invalidate=(lambda _: pymux.invalidate()))
# Synchronize the Vi state with the CLI object.
# (This is stored in the current class, but expected to be in the
# CommandLineInterface.)
def sync_vi_state(_):
VI = EditingMode.VI
EMACS = EditingMode.EMACS
if self.confirm_text or self.prompt_command or self.command_mode:
app.editing_mode = VI if pymux.status_keys_vi_mode else EMACS
else:
app.editing_mode = VI if pymux.mode_keys_vi_mode else EMACS
app.key_processor.before_key_press += sync_vi_state
app.key_processor.after_key_press += sync_vi_state
app.key_processor.after_key_press += self.sync_focus
# Set render postpone time. (.1 instead of 0).
# This small change ensures that if for a split second a process
# outputs a lot of information, we don't give the highest priority to
# rendering output. (Nobody reads that fast in real-time.)
app.max_render_postpone_time = .1 # Second.
# Hide message when a key has been pressed.
def key_pressed(_):
self.message = None
app.key_processor.before_key_press += key_pressed
# The following code needs to run with the application active.
# Especially, `create_window` needs to know what the current
# application is, in order to focus the new pane.
with set_app(app):
# Redraw all CLIs. (Adding a new client could mean that the others
# change size, so everything has to be redrawn.)
pymux.invalidate()
pymux.startup()
return app
def __init__(
self,
get_globals: Optional[_GetNamespace] = None,
get_locals: Optional[_GetNamespace] = None,
history_filename: Optional[str] = None,
vi_mode: bool = False,
color_depth: Optional[ColorDepth] = None,
# Input/output.
input: Optional[Input] = None,
output: Optional[Output] = None,
# For internal use.
extra_key_bindings: Optional[KeyBindings] = None,
_completer: Optional[Completer] = None,
_validator: Optional[Validator] = None,
_lexer: Optional[Lexer] = None,
_extra_buffer_processors=None,
_extra_layout_body=None,
_extra_toolbars=None,
_input_buffer_height=None,
) -> None:
self.get_globals: _GetNamespace = get_globals or (lambda: {})
self.get_locals: _GetNamespace = get_locals or self.get_globals
self._completer = _completer or FuzzyCompleter(
PythonCompleter(
self.get_globals,
self.get_locals,
lambda: self.enable_dictionary_completion,
),
enable_fuzzy=Condition(lambda: self.enable_fuzzy_completion),
)
self._validator = _validator or PythonValidator(
self.get_compiler_flags)
self._lexer = _lexer or PygmentsLexer(PythonLexer)
self.history: History
if history_filename:
self.history = ThreadedHistory(FileHistory(history_filename))
else:
self.history = InMemoryHistory()
self._input_buffer_height = _input_buffer_height
self._extra_layout_body = _extra_layout_body or []
self._extra_toolbars = _extra_toolbars or []
self._extra_buffer_processors = _extra_buffer_processors or []
self.extra_key_bindings = extra_key_bindings or KeyBindings()
# Settings.
self.title: AnyFormattedText = ""
self.show_signature: bool = False
self.show_docstring: bool = False
self.show_meta_enter_message: bool = True
self.completion_visualisation: CompletionVisualisation = CompletionVisualisation.MULTI_COLUMN
self.completion_menu_scroll_offset: int = 1
self.show_line_numbers: bool = False
self.show_status_bar: bool = True
self.wrap_lines: bool = True
self.complete_while_typing: bool = True
self.paste_mode: bool = False # When True, don't insert whitespace after newline.
self.confirm_exit: bool = True # Ask for confirmation when Control-D is pressed.
self.accept_input_on_enter: int = 2 # Accept when pressing Enter 'n' times.
# 'None' means that meta-enter is always required.
self.enable_open_in_editor: bool = True
self.enable_system_bindings: bool = True
self.enable_input_validation: bool = True
self.enable_auto_suggest: bool = False
self.enable_mouse_support: bool = False
self.enable_history_search: bool = False # When True, like readline, going
# back in history will filter the
# history on the records starting
# with the current input.
self.enable_syntax_highlighting: bool = True
self.enable_fuzzy_completion: bool = False
self.enable_dictionary_completion: bool = False
self.swap_light_and_dark: bool = False
self.highlight_matching_parenthesis: bool = False
self.show_sidebar: bool = False # Currently show the sidebar.
# When the sidebar is visible, also show the help text.
self.show_sidebar_help: bool = True
# Currently show 'Do you really want to exit?'
self.show_exit_confirmation: bool = False
# The title to be displayed in the terminal. (None or string.)
self.terminal_title: Optional[str] = None
self.exit_message: str = "Do you really want to exit?"
self.insert_blank_line_after_output: bool = True # (For the REPL.)
# The buffers.
self.default_buffer = self._create_buffer()
self.search_buffer: Buffer = Buffer()
self.docstring_buffer: Buffer = Buffer(read_only=True)
# Tokens to be shown at the prompt.
self.prompt_style: str = "classic" # The currently active style.
# Styles selectable from the menu.
self.all_prompt_styles: Dict[str, PromptStyle] = {
"ipython": IPythonPrompt(self),
"classic": ClassicPrompt(),
}
self.get_input_prompt = lambda: self.all_prompt_styles[
self.prompt_style].in_prompt()
self.get_output_prompt = lambda: self.all_prompt_styles[
self.prompt_style].out_prompt()
#: Load styles.
self.code_styles: Dict[str, BaseStyle] = get_all_code_styles()
self.ui_styles = get_all_ui_styles()
self._current_code_style_name: str = "default"
self._current_ui_style_name: str = "default"
if is_windows():
self._current_code_style_name = "win32"
self._current_style = self._generate_style()
self.color_depth: ColorDepth = color_depth or ColorDepth.default()
self.max_brightness: float = 1.0
self.min_brightness: float = 0.0
# Options to be configurable from the sidebar.
self.options = self._create_options()
self.selected_option_index: int = 0
#: Incremeting integer counting the current statement.
self.current_statement_index: int = 1
# Code signatures. (This is set asynchronously after a timeout.)
self.signatures: List[Any] = []
# Boolean indicating whether we have a signatures thread running.
# (Never run more than one at the same time.)
self._get_signatures_thread_running: bool = False
# Get into Vi navigation mode at startup
self.vi_start_in_navigation_mode: bool = False
# Preserve last used Vi input mode between main loop iterations
self.vi_keep_last_used_mode: bool = False
self.style_transformation = merge_style_transformations([
ConditionalStyleTransformation(
SwapLightAndDarkStyleTransformation(),
filter=Condition(lambda: self.swap_light_and_dark),
),
AdjustBrightnessStyleTransformation(lambda: self.min_brightness,
lambda: self.max_brightness),
])
self.ptpython_layout = PtPythonLayout(
self,
lexer=DynamicLexer(lambda: self._lexer if self.
enable_syntax_highlighting else SimpleLexer()),
input_buffer_height=self._input_buffer_height,
extra_buffer_processors=self._extra_buffer_processors,
extra_body=self._extra_layout_body,
extra_toolbars=self._extra_toolbars,
)
self.app = self._create_application(input, output)
if vi_mode:
self.app.editing_mode = EditingMode.VI