log_utils.py 文件源码

def __init__(self, color=True, fmt=DEFAULT_FORMAT, datefmt=DEFAULT_DATE_FORMAT,
                 colors=DEFAULT_COLORS, precision=3):
        r"""
        :arg bool color: Enables color support.
        :arg string fmt: Log message format.
          It will be applied to the attributes dict of log records. The
          text between ``%(color)s`` and ``%(end_color)s`` will be colored
          depending on the level if color support is on.
        :arg dict colors: color mappings from logging level to terminal color
          code
        :arg string datefmt: Datetime format.
          Used for formatting ``(asctime)`` placeholder in ``prefix_fmt``.
        .. versionchanged:: 3.2
           Added ``fmt`` and ``datefmt`` arguments.
        """
        super().__init__()
        self.default_time_format = datefmt
        self.precision = precision
        self.default_msec_format = ''
        self._fmt = fmt

        self._colors = {}
        if color and _stderr_supports_color():
            fg_color = (curses.tigetstr('setaf') or
                        curses.tigetstr('setf') or '')

            for levelno, code in colors.items():
                self._colors[levelno] = curses.tparm(fg_color, code).decode()
            self._normal = curses.tigetstr('sgr0').decode()
        else:
            self._normal = ''