Class TerminalWriter

src/_pytest/_io/terminalwriter.py:51–258

@final
class TerminalWriter:
    _esctable = dict(
        black=30,
        red=31,
        green=32,
        yellow=33,
        blue=34,
        purple=35,
        cyan=36,
        white=37,
        Black=40,
        Red=41,
        Green=42,
        Yellow=43,
        Blue=44,
        Purple=45,
        Cyan=46,
        White=47,
        bold=1,
        light=2,
        blink=5,
        invert=7,
    )

    def __init__(self, file: TextIO | None = None) -> None:
        if file is None:
            file = sys.stdout
        if hasattr(file, "isatty") and file.isatty() and sys.platform == "win32":
            try:
                import colorama
            except ImportError:
                pass
            else:
                file = colorama.AnsiToWin32(file).stream
                assert file is not None
        self._file = file
        self.hasmarkup = should_do_markup(file)
        self._current_line = ""
        self._terminal_width: int | None = None
        self.code_highlight = True

    @property
    def fullwidth(self) -> int:
        if self._terminal_width is not None:
            return self._terminal_width
        return get_terminal_width()

    @fullwidth.setter
    def fullwidth(self, value: int) -> None:
        self._terminal_width = value

    @property
    def width_of_current_line(self) -> int:
        """Return an estimate of the width so far in the current line."""
        return wcswidth(self._current_line)

    def markup(self, text: str, **markup: bool) -> str:
        for name in markup: