def style(
    text,
    fg=None,
    bg=None,
    bold=None,
    dim=None,
    underline=None,
    blink=None,
    reverse=None,
    reset=True,
):
    """Styles a text with ANSI styles and returns the new string.  By
    default the styling is self contained which means that at the end
    of the string a reset code is issued.  This can be prevented by
    passing ``reset=False``.

    Examples::

        click.echo(click.style('Hello World!', fg='green'))
        click.echo(click.style('ATTENTION!', blink=True))
        click.echo(click.style('Some things', reverse=True, fg='cyan'))

    Supported color names:

    * ``black`` (might be a gray)
    * ``red``
    * ``green``
    * ``yellow`` (might be an orange)
    * ``blue``
    * ``magenta``
    * ``cyan``
    * ``white`` (might be light gray)
    * ``bright_black``
    * ``bright_red``
    * ``bright_green``
    * ``bright_yellow``
    * ``bright_blue``
    * ``bright_magenta``
    * ``bright_cyan``
    * ``bright_white``
    * ``reset`` (reset the color code only)

    .. versionadded:: 2.0

    .. versionadded:: 7.0
       Added support for bright colors.

    :param text: the string to style with ansi codes.
    :param fg: if provided this will become the foreground color.
    :param bg: if provided this will become the background color.
    :param bold: if provided this will enable or disable bold mode.
    :param dim: if provided this will enable or disable dim mode.  This is
                badly supported.
    :param underline: if provided this will enable or disable underline.
    :param blink: if provided this will enable or disable blinking.
    :param reverse: if provided this will enable or disable inverse
                    rendering (foreground becomes background and the
                    other way round).
    :param reset: by default a reset-all code is added at the end of the
                  string which means that styles do not carry over.  This
                  can be disabled to compose styles.
    """
    bits = []
    if fg:
        try:
            bits.append(f"\033[{_ansi_colors[fg]}m")
        except KeyError:
            raise TypeError(f"Unknown color {fg!r}")
    if bg:
        try:
            bits.append(f"\033[{_ansi_colors[bg] + 10}m")
        except KeyError:
            raise TypeError(f"Unknown color {bg!r}")
    if bold is not None:
        bits.append(f"\033[{1 if bold else 22}m")
    if dim is not None:
        bits.append(f"\033[{2 if dim else 22}m")
    if underline is not None:
        bits.append(f"\033[{4 if underline else 24}m")
    if blink is not None:
        bits.append(f"\033[{5 if blink else 25}m")
    if reverse is not None:
        bits.append(f"\033[{7 if reverse else 27}m")
    bits.append(text)
    if reset:
        bits.append(_ansi_reset_all)
    return "".join(bits)
Styles a text with ANSI styles and returns the new string.  By
    default the styling is self contained which means that at the end
    of the string a reset code is issued.  This can be prevented by
    passing ``reset=False``.

    Examples::

        click.echo(click.style('Hello World!', fg='green'))
        click.echo(click.style('ATTENTION!', blink=True))
        click.echo(click.style('Some things', reverse=True, fg='cyan'))

    Supported color names:

    * ``black`` (might be a gray)
    * ``red``
    * ``green``
    * ``yellow`` (might be an orange)
    * ``blue``
    * ``magenta``
    * ``cyan``
    * ``white`` (might be light gray)
    * ``bright_black``
    * ``bright_red``
    * ``bright_green``
    * ``bright_yellow``
    * ``bright_blue``
    * ``bright_magenta``
    * ``bright_cyan``
    * ``bright_white``
    * ``reset`` (reset the color code only)

    .. versionadded:: 2.0

    .. versionadded:: 7.0
       Added support for bright colors.

    :param text: the string to style with ansi codes.
    :param fg: if provided this will become the foreground color.
    :param bg: if provided this will become the background color.
    :param bold: if provided this will enable or disable bold mode.
    :param dim: if provided this will enable or disable dim mode.  This is
                badly supported.
    :param underline: if provided this will enable or disable underline.
    :param blink: if provided this will enable or disable blinking.
    :param reverse: if provided this will enable or disable inverse
                    rendering (foreground becomes background and the
                    other way round).
    :param reset: by default a reset-all code is added at the end of the
                  string which means that styles do not carry over.  This
                  can be disabled to compose styles.
    
dynaconf/vendor/click/termui.py