Returns a tuple of two integers representing current colors: (foreground, background).

def _get_colors(self):
        """Returns a tuple of two integers representing current colors: (foreground, background)."""
        try:
            csbi = _WindowsCSBI.get_info(self.win32_stream_handle)
            return csbi['fg_color'], csbi['bg_color']
        except IOError:
            return 7, 0