fix ya.make

1 files changed, 0 insertions, 815 deletions

diff --git a/contrib/python/prompt-toolkit/py3/prompt_toolkit/renderer.py b/contrib/python/prompt-toolkit/py3/prompt_toolkit/renderer.py
deleted file mode 100644
index 463555c9ddd..00000000000
--- a/contrib/python/prompt-toolkit/py3/prompt_toolkit/renderer.py
+++ /dev/null
@@ -1,815 +0,0 @@
-"""
-Renders the command line on the console.
-(Redraws parts of the input line that were changed.)
-"""
-from asyncio import FIRST_COMPLETED, Future, ensure_future, sleep, wait
-from collections import deque
-from enum import Enum
-from typing import TYPE_CHECKING, Any, Callable, Deque, Dict, Hashable, Optional, Tuple
-
-from prompt_toolkit.application.current import get_app
-from prompt_toolkit.cursor_shapes import CursorShape
-from prompt_toolkit.data_structures import Point, Size
-from prompt_toolkit.filters import FilterOrBool, to_filter
-from prompt_toolkit.formatted_text import AnyFormattedText, to_formatted_text
-from prompt_toolkit.layout.mouse_handlers import MouseHandlers
-from prompt_toolkit.layout.screen import Char, Screen, WritePosition
-from prompt_toolkit.output import ColorDepth, Output
-from prompt_toolkit.styles import (
-    Attrs,
-    BaseStyle,
-    DummyStyleTransformation,
-    StyleTransformation,
-)
-
-if TYPE_CHECKING:
-    from prompt_toolkit.application import Application
-    from prompt_toolkit.layout.layout import Layout
-
-
-__all__ = [
-    "Renderer",
-    "print_formatted_text",
-]
-
-
-def _output_screen_diff(
-    app: "Application[Any]",
-    output: Output,
-    screen: Screen,
-    current_pos: Point,
-    color_depth: ColorDepth,
-    previous_screen: Optional[Screen],
-    last_style: Optional[str],
-    is_done: bool,  # XXX: drop is_done
-    full_screen: bool,
-    attrs_for_style_string: "_StyleStringToAttrsCache",
-    style_string_has_style: "_StyleStringHasStyleCache",
-    size: Size,
-    previous_width: int,
-) -> Tuple[Point, Optional[str]]:
-    """
-    Render the diff between this screen and the previous screen.
-
-    This takes two `Screen` instances. The one that represents the output like
-    it was during the last rendering and one that represents the current
-    output raster. Looking at these two `Screen` instances, this function will
-    render the difference by calling the appropriate methods of the `Output`
-    object that only paint the changes to the terminal.
-
-    This is some performance-critical code which is heavily optimized.
-    Don't change things without profiling first.
-
-    :param current_pos: Current cursor position.
-    :param last_style: The style string, used for drawing the last drawn
-        character.  (Color/attributes.)
-    :param attrs_for_style_string: :class:`._StyleStringToAttrsCache` instance.
-    :param width: The width of the terminal.
-    :param previous_width: The width of the terminal during the last rendering.
-    """
-    width, height = size.columns, size.rows
-
-    #: Variable for capturing the output.
-    write = output.write
-    write_raw = output.write_raw
-
-    # Create locals for the most used output methods.
-    # (Save expensive attribute lookups.)
-    _output_set_attributes = output.set_attributes
-    _output_reset_attributes = output.reset_attributes
-    _output_cursor_forward = output.cursor_forward
-    _output_cursor_up = output.cursor_up
-    _output_cursor_backward = output.cursor_backward
-
-    # Hide cursor before rendering. (Avoid flickering.)
-    output.hide_cursor()
-
-    def reset_attributes() -> None:
-        "Wrapper around Output.reset_attributes."
-        nonlocal last_style
-        _output_reset_attributes()
-        last_style = None  # Forget last char after resetting attributes.
-
-    def move_cursor(new: Point) -> Point:
-        "Move cursor to this `new` point. Returns the given Point."
-        current_x, current_y = current_pos.x, current_pos.y
-
-        if new.y > current_y:
-            # Use newlines instead of CURSOR_DOWN, because this might add new lines.
-            # CURSOR_DOWN will never create new lines at the bottom.
-            # Also reset attributes, otherwise the newline could draw a
-            # background color.
-            reset_attributes()
-            write("\r\n" * (new.y - current_y))
-            current_x = 0
-            _output_cursor_forward(new.x)
-            return new
-        elif new.y < current_y:
-            _output_cursor_up(current_y - new.y)
-
-        if current_x >= width - 1:
-            write("\r")
-            _output_cursor_forward(new.x)
-        elif new.x < current_x or current_x >= width - 1:
-            _output_cursor_backward(current_x - new.x)
-        elif new.x > current_x:
-            _output_cursor_forward(new.x - current_x)
-
-        return new
-
-    def output_char(char: Char) -> None:
-        """
-        Write the output of this character.
-        """
-        nonlocal last_style
-
-        # If the last printed character has the same style, don't output the
-        # style again.
-        if last_style == char.style:
-            write(char.char)
-        else:
-            # Look up `Attr` for this style string. Only set attributes if different.
-            # (Two style strings can still have the same formatting.)
-            # Note that an empty style string can have formatting that needs to
-            # be applied, because of style transformations.
-            new_attrs = attrs_for_style_string[char.style]
-            if not last_style or new_attrs != attrs_for_style_string[last_style]:
-                _output_set_attributes(new_attrs, color_depth)
-
-            write(char.char)
-            last_style = char.style
-
-    def get_max_column_index(row: Dict[int, Char]) -> int:
-        """
-        Return max used column index, ignoring whitespace (without style) at
-        the end of the line. This is important for people that copy/paste
-        terminal output.
-
-        There are two reasons we are sometimes seeing whitespace at the end:
-        - `BufferControl` adds a trailing space to each line, because it's a
-          possible cursor position, so that the line wrapping won't change if
-          the cursor position moves around.
-        - The `Window` adds a style class to the current line for highlighting
-          (cursor-line).
-        """
-        numbers = [
-            index
-            for index, cell in row.items()
-            if cell.char != " " or style_string_has_style[cell.style]
-        ]
-        numbers.append(0)
-        return max(numbers)
-
-    # Render for the first time: reset styling.
-    if not previous_screen:
-        reset_attributes()
-
-    # Disable autowrap. (When entering a the alternate screen, or anytime when
-    # we have a prompt. - In the case of a REPL, like IPython, people can have
-    # background threads, and it's hard for debugging if their output is not
-    # wrapped.)
-    if not previous_screen or not full_screen:
-        output.disable_autowrap()
-
-    # When the previous screen has a different size, redraw everything anyway.
-    # Also when we are done. (We might take up less rows, so clearing is important.)
-    if (
-        is_done or not previous_screen or previous_width != width
-    ):  # XXX: also consider height??
-        current_pos = move_cursor(Point(x=0, y=0))
-        reset_attributes()
-        output.erase_down()
-
-        previous_screen = Screen()
-
-    # Get height of the screen.
-    # (height changes as we loop over data_buffer, so remember the current value.)
-    # (Also make sure to clip the height to the size of the output.)
-    current_height = min(screen.height, height)
-
-    # Loop over the rows.
-    row_count = min(max(screen.height, previous_screen.height), height)
-    c = 0  # Column counter.
-
-    for y in range(row_count):
-        new_row = screen.data_buffer[y]
-        previous_row = previous_screen.data_buffer[y]
-        zero_width_escapes_row = screen.zero_width_escapes[y]
-
-        new_max_line_len = min(width - 1, get_max_column_index(new_row))
-        previous_max_line_len = min(width - 1, get_max_column_index(previous_row))
-
-        # Loop over the columns.
-        c = 0
-        while c <= new_max_line_len:
-            new_char = new_row[c]
-            old_char = previous_row[c]
-            char_width = new_char.width or 1
-
-            # When the old and new character at this position are different,
-            # draw the output. (Because of the performance, we don't call
-            # `Char.__ne__`, but inline the same expression.)
-            if new_char.char != old_char.char or new_char.style != old_char.style:
-                current_pos = move_cursor(Point(x=c, y=y))
-
-                # Send injected escape sequences to output.
-                if c in zero_width_escapes_row:
-                    write_raw(zero_width_escapes_row[c])
-
-                output_char(new_char)
-                current_pos = Point(x=current_pos.x + char_width, y=current_pos.y)
-
-            c += char_width
-
-        # If the new line is shorter, trim it.
-        if previous_screen and new_max_line_len < previous_max_line_len:
-            current_pos = move_cursor(Point(x=new_max_line_len + 1, y=y))
-            reset_attributes()
-            output.erase_end_of_line()
-
-    # Correctly reserve vertical space as required by the layout.
-    # When this is a new screen (drawn for the first time), or for some reason
-    # higher than the previous one. Move the cursor once to the bottom of the
-    # output. That way, we're sure that the terminal scrolls up, even when the
-    # lower lines of the canvas just contain whitespace.
-
-    # The most obvious reason that we actually want this behaviour is the avoid
-    # the artifact of the input scrolling when the completion menu is shown.
-    # (If the scrolling is actually wanted, the layout can still be build in a
-    # way to behave that way by setting a dynamic height.)
-    if current_height > previous_screen.height:
-        current_pos = move_cursor(Point(x=0, y=current_height - 1))
-
-    # Move cursor:
-    if is_done:
-        current_pos = move_cursor(Point(x=0, y=current_height))
-        output.erase_down()
-    else:
-        current_pos = move_cursor(screen.get_cursor_position(app.layout.current_window))
-
-    if is_done or not full_screen:
-        output.enable_autowrap()
-
-    # Always reset the color attributes. This is important because a background
-    # thread could print data to stdout and we want that to be displayed in the
-    # default colors. (Also, if a background color has been set, many terminals
-    # give weird artifacts on resize events.)
-    reset_attributes()
-
-    if screen.show_cursor or is_done:
-        output.show_cursor()
-
-    return current_pos, last_style
-
-
-class HeightIsUnknownError(Exception):
-    "Information unavailable. Did not yet receive the CPR response."
-
-
-class _StyleStringToAttrsCache(Dict[str, Attrs]):
-    """
-    A cache structure that maps style strings to :class:`.Attr`.
-    (This is an important speed up.)
-    """
-
-    def __init__(
-        self,
-        get_attrs_for_style_str: Callable[["str"], Attrs],
-        style_transformation: StyleTransformation,
-    ) -> None:
-
-        self.get_attrs_for_style_str = get_attrs_for_style_str
-        self.style_transformation = style_transformation
-
-    def __missing__(self, style_str: str) -> Attrs:
-        attrs = self.get_attrs_for_style_str(style_str)
-        attrs = self.style_transformation.transform_attrs(attrs)
-
-        self[style_str] = attrs
-        return attrs
-
-
-class _StyleStringHasStyleCache(Dict[str, bool]):
-    """
-    Cache for remember which style strings don't render the default output
-    style (default fg/bg, no underline and no reverse and no blink). That way
-    we know that we should render these cells, even when they're empty (when
-    they contain a space).
-
-    Note: we don't consider bold/italic/hidden because they don't change the
-    output if there's no text in the cell.
-    """
-
-    def __init__(self, style_string_to_attrs: Dict[str, Attrs]) -> None:
-        self.style_string_to_attrs = style_string_to_attrs
-
-    def __missing__(self, style_str: str) -> bool:
-        attrs = self.style_string_to_attrs[style_str]
-        is_default = bool(
-            attrs.color
-            or attrs.bgcolor
-            or attrs.underline
-            or attrs.strike
-            or attrs.blink
-            or attrs.reverse
-        )
-
-        self[style_str] = is_default
-        return is_default
-
-
-class CPR_Support(Enum):
-    "Enum: whether or not CPR is supported."
-    SUPPORTED = "SUPPORTED"
-    NOT_SUPPORTED = "NOT_SUPPORTED"
-    UNKNOWN = "UNKNOWN"
-
-
-class Renderer:
-    """
-    Typical usage:
-
-    ::
-
-        output = Vt100_Output.from_pty(sys.stdout)
-        r = Renderer(style, output)
-        r.render(app, layout=...)
-    """
-
-    CPR_TIMEOUT = 2  # Time to wait until we consider CPR to be not supported.
-
-    def __init__(
-        self,
-        style: BaseStyle,
-        output: Output,
-        full_screen: bool = False,
-        mouse_support: FilterOrBool = False,
-        cpr_not_supported_callback: Optional[Callable[[], None]] = None,
-    ) -> None:
-
-        self.style = style
-        self.output = output
-        self.full_screen = full_screen
-        self.mouse_support = to_filter(mouse_support)
-        self.cpr_not_supported_callback = cpr_not_supported_callback
-
-        self._in_alternate_screen = False
-        self._mouse_support_enabled = False
-        self._bracketed_paste_enabled = False
-        self._cursor_key_mode_reset = False
-
-        # Future set when we are waiting for a CPR flag.
-        self._waiting_for_cpr_futures: Deque[Future[None]] = deque()
-        self.cpr_support = CPR_Support.UNKNOWN
-
-        if not output.responds_to_cpr:
-            self.cpr_support = CPR_Support.NOT_SUPPORTED
-
-        # Cache for the style.
-        self._attrs_for_style: Optional[_StyleStringToAttrsCache] = None
-        self._style_string_has_style: Optional[_StyleStringHasStyleCache] = None
-        self._last_style_hash: Optional[Hashable] = None
-        self._last_transformation_hash: Optional[Hashable] = None
-        self._last_color_depth: Optional[ColorDepth] = None
-
-        self.reset(_scroll=True)
-
-    def reset(self, _scroll: bool = False, leave_alternate_screen: bool = True) -> None:
-
-        # Reset position
-        self._cursor_pos = Point(x=0, y=0)
-
-        # Remember the last screen instance between renderers. This way,
-        # we can create a `diff` between two screens and only output the
-        # difference. It's also to remember the last height. (To show for
-        # instance a toolbar at the bottom position.)
-        self._last_screen: Optional[Screen] = None
-        self._last_size: Optional[Size] = None
-        self._last_style: Optional[str] = None
-        self._last_cursor_shape: Optional[CursorShape] = None
-
-        # Default MouseHandlers. (Just empty.)
-        self.mouse_handlers = MouseHandlers()
-
-        #: Space from the top of the layout, until the bottom of the terminal.
-        #: We don't know this until a `report_absolute_cursor_row` call.
-        self._min_available_height = 0
-
-        # In case of Windows, also make sure to scroll to the current cursor
-        # position. (Only when rendering the first time.)
-        # It does nothing for vt100 terminals.
-        if _scroll:
-            self.output.scroll_buffer_to_prompt()
-
-        # Quit alternate screen.
-        if self._in_alternate_screen and leave_alternate_screen:
-            self.output.quit_alternate_screen()
-            self._in_alternate_screen = False
-
-        # Disable mouse support.
-        if self._mouse_support_enabled:
-            self.output.disable_mouse_support()
-            self._mouse_support_enabled = False
-
-        # Disable bracketed paste.
-        if self._bracketed_paste_enabled:
-            self.output.disable_bracketed_paste()
-            self._bracketed_paste_enabled = False
-
-        self.output.reset_cursor_shape()
-
-        # NOTE: No need to set/reset cursor key mode here.
-
-        # Flush output. `disable_mouse_support` needs to write to stdout.
-        self.output.flush()
-
-    @property
-    def last_rendered_screen(self) -> Optional[Screen]:
-        """
-        The `Screen` class that was generated during the last rendering.
-        This can be `None`.
-        """
-        return self._last_screen
-
-    @property
-    def height_is_known(self) -> bool:
-        """
-        True when the height from the cursor until the bottom of the terminal
-        is known. (It's often nicer to draw bottom toolbars only if the height
-        is known, in order to avoid flickering when the CPR response arrives.)
-        """
-        if self.full_screen or self._min_available_height > 0:
-            return True
-        try:
-            self._min_available_height = self.output.get_rows_below_cursor_position()
-            return True
-        except NotImplementedError:
-            return False
-
-    @property
-    def rows_above_layout(self) -> int:
-        """
-        Return the number of rows visible in the terminal above the layout.
-        """
-        if self._in_alternate_screen:
-            return 0
-        elif self._min_available_height > 0:
-            total_rows = self.output.get_size().rows
-            last_screen_height = self._last_screen.height if self._last_screen else 0
-            return total_rows - max(self._min_available_height, last_screen_height)
-        else:
-            raise HeightIsUnknownError("Rows above layout is unknown.")
-
-    def request_absolute_cursor_position(self) -> None:
-        """
-        Get current cursor position.
-
-        We do this to calculate the minimum available height that we can
-        consume for rendering the prompt. This is the available space below te
-        cursor.
-
-        For vt100: Do CPR request. (answer will arrive later.)
-        For win32: Do API call. (Answer comes immediately.)
-        """
-        # Only do this request when the cursor is at the top row. (after a
-        # clear or reset). We will rely on that in `report_absolute_cursor_row`.
-        assert self._cursor_pos.y == 0
-
-        # In full-screen mode, always use the total height as min-available-height.
-        if self.full_screen:
-            self._min_available_height = self.output.get_size().rows
-            return
-
-        # For Win32, we have an API call to get the number of rows below the
-        # cursor.
-        try:
-            self._min_available_height = self.output.get_rows_below_cursor_position()
-            return
-        except NotImplementedError:
-            pass
-
-        # Use CPR.
-        if self.cpr_support == CPR_Support.NOT_SUPPORTED:
-            return
-
-        def do_cpr() -> None:
-            # Asks for a cursor position report (CPR).
-            self._waiting_for_cpr_futures.append(Future())
-            self.output.ask_for_cpr()
-
-        if self.cpr_support == CPR_Support.SUPPORTED:
-            do_cpr()
-            return
-
-        # If we don't know whether CPR is supported, only do a request if
-        # none is pending, and test it, using a timer.
-        if self.waiting_for_cpr:
-            return
-
-        do_cpr()
-
-        async def timer() -> None:
-            await sleep(self.CPR_TIMEOUT)
-
-            # Not set in the meantime -> not supported.
-            if self.cpr_support == CPR_Support.UNKNOWN:
-                self.cpr_support = CPR_Support.NOT_SUPPORTED
-
-                if self.cpr_not_supported_callback:
-                    # Make sure to call this callback in the main thread.
-                    self.cpr_not_supported_callback()
-
-        get_app().create_background_task(timer())
-
-    def report_absolute_cursor_row(self, row: int) -> None:
-        """
-        To be called when we know the absolute cursor position.
-        (As an answer of a "Cursor Position Request" response.)
-        """
-        self.cpr_support = CPR_Support.SUPPORTED
-
-        # Calculate the amount of rows from the cursor position until the
-        # bottom of the terminal.
-        total_rows = self.output.get_size().rows
-        rows_below_cursor = total_rows - row + 1
-
-        # Set the minimum available height.
-        self._min_available_height = rows_below_cursor
-
-        # Pop and set waiting for CPR future.
-        try:
-            f = self._waiting_for_cpr_futures.popleft()
-        except IndexError:
-            pass  # Received CPR response without having a CPR.
-        else:
-            f.set_result(None)
-
-    @property
-    def waiting_for_cpr(self) -> bool:
-        """
-        Waiting for CPR flag. True when we send the request, but didn't got a
-        response.
-        """
-        return bool(self._waiting_for_cpr_futures)
-
-    async def wait_for_cpr_responses(self, timeout: int = 1) -> None:
-        """
-        Wait for a CPR response.
-        """
-        cpr_futures = list(self._waiting_for_cpr_futures)  # Make copy.
-
-        # When there are no CPRs in the queue. Don't do anything.
-        if not cpr_futures or self.cpr_support == CPR_Support.NOT_SUPPORTED:
-            return None
-
-        async def wait_for_responses() -> None:
-            for response_f in cpr_futures:
-                await response_f
-
-        async def wait_for_timeout() -> None:
-            await sleep(timeout)
-
-            # Got timeout, erase queue.
-            for response_f in cpr_futures:
-                response_f.cancel()
-            self._waiting_for_cpr_futures = deque()
-
-        tasks = {
-            ensure_future(wait_for_responses()),
-            ensure_future(wait_for_timeout()),
-        }
-        _, pending = await wait(tasks, return_when=FIRST_COMPLETED)
-        for task in pending:
-            task.cancel()
-
-    def render(
-        self, app: "Application[Any]", layout: "Layout", is_done: bool = False
-    ) -> None:
-        """
-        Render the current interface to the output.
-
-        :param is_done: When True, put the cursor at the end of the interface. We
-                won't print any changes to this part.
-        """
-        output = self.output
-
-        # Enter alternate screen.
-        if self.full_screen and not self._in_alternate_screen:
-            self._in_alternate_screen = True
-            output.enter_alternate_screen()
-
-        # Enable bracketed paste.
-        if not self._bracketed_paste_enabled:
-            self.output.enable_bracketed_paste()
-            self._bracketed_paste_enabled = True
-
-        # Reset cursor key mode.
-        if not self._cursor_key_mode_reset:
-            self.output.reset_cursor_key_mode()
-            self._cursor_key_mode_reset = True
-
-        # Enable/disable mouse support.
-        needs_mouse_support = self.mouse_support()
-
-        if needs_mouse_support and not self._mouse_support_enabled:
-            output.enable_mouse_support()
-            self._mouse_support_enabled = True
-
-        elif not needs_mouse_support and self._mouse_support_enabled:
-            output.disable_mouse_support()
-            self._mouse_support_enabled = False
-
-        # Create screen and write layout to it.
-        size = output.get_size()
-        screen = Screen()
-        screen.show_cursor = False  # Hide cursor by default, unless one of the
-        # containers decides to display it.
-        mouse_handlers = MouseHandlers()
-
-        # Calculate height.
-        if self.full_screen:
-            height = size.rows
-        elif is_done:
-            # When we are done, we don't necessary want to fill up until the bottom.
-            height = layout.container.preferred_height(
-                size.columns, size.rows
-            ).preferred
-        else:
-            last_height = self._last_screen.height if self._last_screen else 0
-            height = max(
-                self._min_available_height,
-                last_height,
-                layout.container.preferred_height(size.columns, size.rows).preferred,
-            )
-
-        height = min(height, size.rows)
-
-        # When the size changes, don't consider the previous screen.
-        if self._last_size != size:
-            self._last_screen = None
-
-        # When we render using another style or another color depth, do a full
-        # repaint. (Forget about the previous rendered screen.)
-        # (But note that we still use _last_screen to calculate the height.)
-        if (
-            self.style.invalidation_hash() != self._last_style_hash
-            or app.style_transformation.invalidation_hash()
-            != self._last_transformation_hash
-            or app.color_depth != self._last_color_depth
-        ):
-            self._last_screen = None
-            self._attrs_for_style = None
-            self._style_string_has_style = None
-
-        if self._attrs_for_style is None:
-            self._attrs_for_style = _StyleStringToAttrsCache(
-                self.style.get_attrs_for_style_str, app.style_transformation
-            )
-        if self._style_string_has_style is None:
-            self._style_string_has_style = _StyleStringHasStyleCache(
-                self._attrs_for_style
-            )
-
-        self._last_style_hash = self.style.invalidation_hash()
-        self._last_transformation_hash = app.style_transformation.invalidation_hash()
-        self._last_color_depth = app.color_depth
-
-        layout.container.write_to_screen(
-            screen,
-            mouse_handlers,
-            WritePosition(xpos=0, ypos=0, width=size.columns, height=height),
-            parent_style="",
-            erase_bg=False,
-            z_index=None,
-        )
-        screen.draw_all_floats()
-
-        # When grayed. Replace all styles in the new screen.
-        if app.exit_style:
-            screen.append_style_to_content(app.exit_style)
-
-        # Process diff and write to output.
-        self._cursor_pos, self._last_style = _output_screen_diff(
-            app,
-            output,
-            screen,
-            self._cursor_pos,
-            app.color_depth,
-            self._last_screen,
-            self._last_style,
-            is_done,
-            full_screen=self.full_screen,
-            attrs_for_style_string=self._attrs_for_style,
-            style_string_has_style=self._style_string_has_style,
-            size=size,
-            previous_width=(self._last_size.columns if self._last_size else 0),
-        )
-        self._last_screen = screen
-        self._last_size = size
-        self.mouse_handlers = mouse_handlers
-
-        # Handle cursor shapes.
-        new_cursor_shape = app.cursor.get_cursor_shape(app)
-        if (
-            self._last_cursor_shape is None
-            or self._last_cursor_shape != new_cursor_shape
-        ):
-            output.set_cursor_shape(new_cursor_shape)
-            self._last_cursor_shape = new_cursor_shape
-
-        # Flush buffered output.
-        output.flush()
-
-        # Set visible windows in layout.
-        app.layout.visible_windows = screen.visible_windows
-
-        if is_done:
-            self.reset()
-
-    def erase(self, leave_alternate_screen: bool = True) -> None:
-        """
-        Hide all output and put the cursor back at the first line. This is for
-        instance used for running a system command (while hiding the CLI) and
-        later resuming the same CLI.)
-
-        :param leave_alternate_screen: When True, and when inside an alternate
-            screen buffer, quit the alternate screen.
-        """
-        output = self.output
-
-        output.cursor_backward(self._cursor_pos.x)
-        output.cursor_up(self._cursor_pos.y)
-        output.erase_down()
-        output.reset_attributes()
-        output.enable_autowrap()
-
-        output.flush()
-
-        self.reset(leave_alternate_screen=leave_alternate_screen)
-
-    def clear(self) -> None:
-        """
-        Clear screen and go to 0,0
-        """
-        # Erase current output first.
-        self.erase()
-
-        # Send "Erase Screen" command and go to (0, 0).
-        output = self.output
-
-        output.erase_screen()
-        output.cursor_goto(0, 0)
-        output.flush()
-
-        self.request_absolute_cursor_position()
-
-
-def print_formatted_text(
-    output: Output,
-    formatted_text: AnyFormattedText,
-    style: BaseStyle,
-    style_transformation: Optional[StyleTransformation] = None,
-    color_depth: Optional[ColorDepth] = None,
-) -> None:
-    """
-    Print a list of (style_str, text) tuples in the given style to the output.
-    """
-    fragments = to_formatted_text(formatted_text)
-    style_transformation = style_transformation or DummyStyleTransformation()
-    color_depth = color_depth or output.get_default_color_depth()
-
-    # Reset first.
-    output.reset_attributes()
-    output.enable_autowrap()
-    last_attrs: Optional[Attrs] = None
-
-    # Print all (style_str, text) tuples.
-    attrs_for_style_string = _StyleStringToAttrsCache(
-        style.get_attrs_for_style_str, style_transformation
-    )
-
-    for style_str, text, *_ in fragments:
-        attrs = attrs_for_style_string[style_str]
-
-        # Set style attributes if something changed.
-        if attrs != last_attrs:
-            if attrs:
-                output.set_attributes(attrs, color_depth)
-            else:
-                output.reset_attributes()
-        last_attrs = attrs
-
-        # Print escape sequences as raw output
-        if "[ZeroWidthEscape]" in style_str:
-            output.write_raw(text)
-        else:
-            # Eliminate carriage returns
-            text = text.replace("\r", "")
-            # Insert a carriage return before every newline (important when the
-            # front-end is a telnet client).
-            text = text.replace("\n", "\r\n")
-            output.write(text)
-
-    # Reset again.
-    output.reset_attributes()
-    output.flush()