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from typing import Iterable, Sequence, Tuple, cast
from pip._vendor.rich._win32_console import LegacyWindowsTerm, WindowsCoordinates
from pip._vendor.rich.segment import ControlCode, ControlType, Segment
def legacy_windows_render(buffer: Iterable[Segment], term: LegacyWindowsTerm) -> None:
"""Makes appropriate Windows Console API calls based on the segments in the buffer.
Args:
buffer (Iterable[Segment]): Iterable of Segments to convert to Win32 API calls.
term (LegacyWindowsTerm): Used to call the Windows Console API.
"""
for text, style, control in buffer:
if not control:
if style:
term.write_styled(text, style)
else:
term.write_text(text)
else:
control_codes: Sequence[ControlCode] = control
for control_code in control_codes:
control_type = control_code[0]
if control_type == ControlType.CURSOR_MOVE_TO:
_, x, y = cast(Tuple[ControlType, int, int], control_code)
term.move_cursor_to(WindowsCoordinates(row=y - 1, col=x - 1))
elif control_type == ControlType.CARRIAGE_RETURN:
term.write_text("\r")
elif control_type == ControlType.HOME:
term.move_cursor_to(WindowsCoordinates(0, 0))
elif control_type == ControlType.CURSOR_UP:
term.move_cursor_up()
elif control_type == ControlType.CURSOR_DOWN:
term.move_cursor_down()
elif control_type == ControlType.CURSOR_FORWARD:
term.move_cursor_forward()
elif control_type == ControlType.CURSOR_BACKWARD:
term.move_cursor_backward()
elif control_type == ControlType.CURSOR_MOVE_TO_COLUMN:
_, column = cast(Tuple[ControlType, int], control_code)
term.move_cursor_to_column(column - 1)
elif control_type == ControlType.HIDE_CURSOR:
term.hide_cursor()
elif control_type == ControlType.SHOW_CURSOR:
term.show_cursor()
elif control_type == ControlType.ERASE_IN_LINE:
_, mode = cast(Tuple[ControlType, int], control_code)
if mode == 0:
term.erase_end_of_line()
elif mode == 1:
term.erase_start_of_line()
elif mode == 2:
term.erase_line()
elif control_type == ControlType.SET_WINDOW_TITLE:
_, title = cast(Tuple[ControlType, str], control_code)
term.set_title(title)
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