Python curses.COLOR_RED Examples

def init_curses():
    window = curses.initscr()
    curses.noecho() # prevents user input from being echoed
    curses.curs_set(0) # make cursor invisible

    curses.start_color()
    curses.init_pair(1, curses.COLOR_GREEN, curses.COLOR_BLACK)
    curses.init_pair(2, curses.COLOR_CYAN, curses.COLOR_BLACK)
    curses.init_pair(3, curses.COLOR_RED, curses.COLOR_BLACK)
    curses.init_pair(4, curses.COLOR_MAGENTA, curses.COLOR_BLACK)
    curses.init_pair(5, curses.COLOR_YELLOW, curses.COLOR_BLACK)

    window.timeout(50)
    window.keypad(1) # interpret arrow keys, etc

    return window 

def init_curses(self):
        """Setup the curses"""
        self.window = curses.initscr()
        self.height, self.width = self.window.getmaxyx()
        if self.width < 60:
            self.too_small = True
            return

        self.window.keypad(True)
        # self.window.nodelay(True)

        curses.noecho()
        curses.curs_set(False)
        curses.cbreak()
        curses.start_color()
        curses.init_pair(1, curses.COLOR_RED, curses.COLOR_BLACK)
        curses.init_pair(2, curses.COLOR_YELLOW, curses.COLOR_BLACK)
        curses.init_pair(3, curses.COLOR_WHITE, curses.COLOR_BLACK)
        curses.init_pair(4, curses.COLOR_GREEN, curses.COLOR_BLACK)
        curses.init_pair(5, curses.COLOR_WHITE, curses.COLOR_CYAN) 

def _init_curses(self):
        self.stdscr = curses.initscr()
        self.stdscr.keypad(1)
        curses.noecho()
        curses.cbreak()
        curses.curs_set(0)
        curses.start_color()
        try:
            curses.init_pair(1, curses.COLOR_BLACK, 197)  # 接近机核主题的颜色
        except:
            # 树莓派 windows无法使用机核like色
            curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_RED)
        curses.init_pair(2, curses.COLOR_WHITE, curses.COLOR_BLACK)
        self.stdscr.bkgd(curses.color_pair(2))
        self.stdscr.timeout(100)
        self.stdscr.refresh() 

def main(stdscr, matches):
    curses.curs_set(False)
    selected = 0
    curses.init_pair(2, curses.COLOR_RED, curses.COLOR_BLACK)
    curses.init_pair(1, curses.COLOR_GREEN, curses.COLOR_BLACK)
    while True:
        printGames(stdscr, matches, selected)
        event = stdscr.getch()
        if event == ord("\n"):
            logging.info("Enter key pressed")
            return selected
        elif event == curses.KEY_UP:
            logging.info("Up key pressed")
            if selected != 0:
                selected -= 1
                printGames(stdscr,  matches,  selected)
        elif event == curses.KEY_DOWN:
            logging.info("Down key pressed")
            if selected != len(matches) - 1:
                selected += 1
                printGames(stdscr, matches,  selected) 

def __init__(self, use_colors):
		logging.Handler.__init__(self)
		self.use_colors = use_colors

		# Initialize environment
		curses.setupterm()

		# Get the foreground color attribute for this environment
		self.fcap = curses.tigetstr('setaf')

		#Get the normal attribute
		self.COLOR_NORMAL = curses.tigetstr('sgr0')

		# Get + Save the color sequences
		self.COLOR_INFO = curses.tparm(self.fcap, curses.COLOR_GREEN)
		self.COLOR_ERROR = curses.tparm(self.fcap, curses.COLOR_RED)
		self.COLOR_WARNING = curses.tparm(self.fcap, curses.COLOR_YELLOW)
		self.COLOR_DEBUG = curses.tparm(self.fcap, curses.COLOR_BLUE) 

def test_theme_from_file():

    with _ephemeral_directory() as dirname:
        with NamedTemporaryFile(mode='w+', dir=dirname) as fp:

            with pytest.raises(ConfigError):
                Theme.from_file(fp.name, 'installed')

            fp.write('[theme]\n')
            fp.write('Unknown = - -\n')
            fp.write('Upvote = - red\n')
            fp.write('Downvote = ansi_255 default bold\n')
            fp.write('NeutralVote = #000000 #ffffff bold+reverse\n')
            fp.flush()

            theme = Theme.from_file(fp.name, 'installed')
            assert theme.source == 'installed'
            assert 'Unknown' not in theme.elements
            assert theme.elements['Upvote'] == (
                -1, curses.COLOR_RED, curses.A_NORMAL)
            assert theme.elements['Downvote'] == (
                255, -1, curses.A_BOLD)
            assert theme.elements['NeutralVote'] == (
                16, 231, curses.A_BOLD | curses.A_REVERSE) 

def setup_palette(class_):
        curses.init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLACK)
        curses.init_pair(2, curses.COLOR_BLUE, curses.COLOR_BLACK)
        curses.init_pair(3, curses.COLOR_GREEN, curses.COLOR_BLACK)
        curses.init_pair(4, curses.COLOR_YELLOW, curses.COLOR_BLACK)
        curses.init_pair(5, curses.COLOR_RED, curses.COLOR_BLACK)
        curses.init_pair(6, curses.COLOR_CYAN, curses.COLOR_BLACK)
        curses.init_pair(7, curses.COLOR_MAGENTA, curses.COLOR_BLACK)
        curses.init_pair(8, curses.COLOR_WHITE, curses.COLOR_BLUE)
        curses.init_pair(9, curses.COLOR_WHITE, curses.COLOR_RED)

        class_.WHITE = curses.color_pair(1)
        class_.BLUE = curses.color_pair(2)
        class_.GREEN = curses.color_pair(3)
        class_.YELLOW = curses.color_pair(4)
        class_.RED = curses.color_pair(5)
        class_.CYAN = curses.color_pair(6)
        class_.MAGENTA = curses.color_pair(7)
        class_.WHITE_ON_BLUE = curses.color_pair(8)
        class_.WHITE_ON_RED = curses.color_pair(9)

        class_.HASHTAG = class_.BLUE | curses.A_BOLD 

def show(self, screen):
        self.screen = screen

        curses.init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLACK)
        self.white = curses.color_pair(1)

        curses.init_pair(2, curses.COLOR_GREEN, curses.COLOR_BLACK)
        self.green = curses.color_pair(2)

        curses.init_pair(3, curses.COLOR_YELLOW, curses.COLOR_BLACK)
        self.yellow = curses.color_pair(3)

        curses.init_pair(4, curses.COLOR_RED, curses.COLOR_BLACK)
        self.red = curses.color_pair(4)

        curses.curs_set(0)

        self.addstr(1, 1, 'BITNODES HARDWARE', self.white)
        self.addstr(1, 19, 'LOADING', self.yellow)

        while True:
            time.sleep(self.update()) 

def main():
    screen = init_curses()
    y, x = screen.getmaxyx()
    # create green
    curses.init_pair(1, curses.COLOR_GREEN, -1)
    # create red
    curses.init_pair(2, curses.COLOR_RED, -1) # -1 is default bcgd color
    # create white
    curses.init_pair(3, curses.COLOR_WHITE, -1)
    # create cyan
    curses.init_pair(4, curses.COLOR_CYAN, -1)
    # create yellow
    curses.init_pair(5, curses.COLOR_YELLOW, -1)
    # create black on white
    curses.init_pair(6, curses.COLOR_BLACK, curses.COLOR_WHITE)    
    # print the splash screen out!
    splash_screen(screen, y, x)
    

# check and see if this program is being run by itself
# if so call the main function 

def _initialize_colors(self):
        """Function for initialzing curses colors. Called when CUI is first created.
        """

        # Start colors in curses
        curses.start_color()
        curses.init_pair(WHITE_ON_BLACK,    curses.COLOR_WHITE,     curses.COLOR_BLACK)
        curses.init_pair(BLACK_ON_GREEN,    curses.COLOR_BLACK,     curses.COLOR_GREEN)
        curses.init_pair(BLACK_ON_WHITE,    curses.COLOR_BLACK,     curses.COLOR_WHITE)
        curses.init_pair(WHITE_ON_RED,      curses.COLOR_WHITE,     curses.COLOR_RED)
        curses.init_pair(YELLOW_ON_BLACK,   curses.COLOR_YELLOW,    curses.COLOR_BLACK)
        curses.init_pair(RED_ON_BLACK,      curses.COLOR_RED,       curses.COLOR_BLACK)
        curses.init_pair(CYAN_ON_BLACK,     curses.COLOR_CYAN,      curses.COLOR_BLACK)
        curses.init_pair(MAGENTA_ON_BLACK,  curses.COLOR_MAGENTA,   curses.COLOR_BLACK)
        curses.init_pair(GREEN_ON_BLACK,    curses.COLOR_GREEN,     curses.COLOR_BLACK)
        curses.init_pair(BLUE_ON_BLACK,     curses.COLOR_BLUE,      curses.COLOR_BLACK) 

def setup(stdscr):
    # curses
    curses.use_default_colors()
    curses.init_pair(1, curses.COLOR_RED, -1)
    curses.init_pair(2, curses.COLOR_RED, curses.COLOR_RED)
    curses.init_pair(3, curses.COLOR_GREEN, -1)
    curses.init_pair(4, -1, curses.COLOR_RED)
    try:
        curses.curs_set(False)
    except curses.error:
        # fails on some terminals
        pass
    stdscr.timeout(0)

    # prepare input thread mechanisms
    curses_lock = Lock()
    input_queue = Queue()
    quit_event = Event()
    return (curses_lock, input_queue, quit_event) 

def __init__(self, map_name='world', map_conf=None, window=None, encoding=None):
        if map_conf is None:
            map_conf = MAPS[map_name]
        self.map = map_conf['data']
        self.coords = map_conf['coords']
        self.corners = map_conf['corners']
        if window is None:
            window = curses.newwin(0, 0)
        self.window = window

        self.data = []
        self.data_timestamp = None

        # JSON contents _should_ be UTF8 (so, python internal unicode here...)
        if encoding is None:
            encoding = locale.getpreferredencoding()
        self.encoding = encoding

        # check if we can use transparent background or not
        if curses.can_change_color():
            curses.use_default_colors()
            background = -1
        else:
            background = curses.COLOR_BLACK

        tmp_colors = [
            ('red', curses.COLOR_RED, background),
            ('blue', curses.COLOR_BLUE, background),
            ('pink', curses.COLOR_MAGENTA, background)
        ]

        self.colors = {}
        if curses.has_colors():
            for i, (name, fgcolor, bgcolor) in enumerate(tmp_colors, 1):
                curses.init_pair(i, fgcolor, bgcolor)
                self.colors[name] = i 

def __init__(self):
        self.screen = curses.initscr()
        # charactor break buffer
        curses.cbreak()
        self.screen.keypad(1)
        self.netease = NetEase()
        curses.start_color()
        curses.init_pair(1, curses.COLOR_GREEN, curses.COLOR_BLACK)
        curses.init_pair(2, curses.COLOR_CYAN, curses.COLOR_BLACK)
        curses.init_pair(3, curses.COLOR_RED, curses.COLOR_BLACK)              
        curses.init_pair(4, curses.COLOR_YELLOW, curses.COLOR_BLACK) 

def gather_info(self, screen, info):
        """
        Get the information from pywifiphisher and print them out
        :param self: A TuiMain object
        :param screen: A curses window object
        :param info: A namedtuple of printing information
        :type self: TuiMain
        :type screen: _curses.curses.window
        :type info: namedtuple
        :return: None
        :rtype: None
        """

        # setup curses
        try:
            curses.curs_set(0)
        except curses.error:
            pass
        screen.nodelay(True)
        curses.init_pair(1, curses.COLOR_BLUE, screen.getbkgd())
        curses.init_pair(2, curses.COLOR_YELLOW, screen.getbkgd())
        curses.init_pair(3, curses.COLOR_RED, screen.getbkgd())
        self.blue_text = curses.color_pair(1) | curses.A_BOLD
        self.yellow_text = curses.color_pair(2) | curses.A_BOLD
        self.red_text = curses.color_pair(3) | curses.A_BOLD

        while True:
            # catch the exception when screen size is smaller than
            # the text length
            is_done = self.display_info(screen, info)
            if is_done:
                return 

def _trailing_ws(self, line: str) -> HLs:
        if not line:
            return ()

        i = len(line)
        while i > 0 and line[i - 1].isspace():
            i -= 1

        if i == len(line):
            return ()
        else:
            pair = self._color_manager.raw_color_pair(-1, curses.COLOR_RED)
            attr = curses.color_pair(pair)
            return (HL(x=i, end=len(line), attr=attr),) 

def __init__(self):
        self.stdscr = curses.initscr()
        curses.start_color()
        curses.init_pair(1, curses.COLOR_RED, curses.COLOR_BLACK)
        self.bottom_row = 0 

def printProvidedCommandWarning(self, yStart, xStart):
        self.colorPrinter.addstr(yStart, xStart, 'Oh no! You already provided a command so ' +
                                 'you cannot enter command mode.',
                                 self.colorPrinter.getAttributes(curses.COLOR_WHITE,
                                                                 curses.COLOR_RED,
                                                                 0))

        self.colorPrinter.addstr(
            yStart + 1, xStart, 'The command you provided was "%s" ' % self.flags.getPresetCommand())
        self.colorPrinter.addstr(
            yStart + 2, xStart, 'Press any key to go back to selecting paths.') 

def updateDecoratedMatch(self, maxLen=None):
        '''Update the cached decorated match formatted string, and
        dirty the line, if needed'''
        if self.hovered and self.selected:
            attributes = (curses.COLOR_WHITE, curses.COLOR_RED,
                          FormattedText.BOLD_ATTRIBUTE)
        elif self.hovered:
            attributes = (curses.COLOR_WHITE, curses.COLOR_BLUE,
                          FormattedText.BOLD_ATTRIBUTE)
        elif self.selected:
            attributes = (curses.COLOR_WHITE, curses.COLOR_GREEN,
                          FormattedText.BOLD_ATTRIBUTE)
        elif not self.allInput:
            attributes = (0, 0, FormattedText.UNDERLINE_ATTRIBUTE)
        else:
            attributes = (0, 0, 0)

        decoratorText = self.getDecorator()

        # we may not be connected to a controller (during processInput,
        # for example)
        if self.controller:
            self.controller.dirtyLine(self.index)

        plainText = decoratorText + self.getMatch()
        if maxLen and len(plainText + str(self.beforeText)) > maxLen:
            # alright, we need to chop the ends off of our
            # decorated match and glue them together with our
            # truncation decorator. We subtract the length of the
            # before text since we consider that important too.
            spaceAllowed = maxLen - len(self.TRUNCATE_DECORATOR) \
                - len(decoratorText) \
                - len(str(self.beforeText))
            midPoint = int(spaceAllowed / 2)
            beginMatch = plainText[0:midPoint]
            endMatch = plainText[-midPoint:len(plainText)]
            plainText = beginMatch + self.TRUNCATE_DECORATOR + endMatch

        self.decoratedMatch = FormattedText(
            FormattedText.getSequenceForAttributes(*attributes) +
            plainText) 

def define_colors(self):
        # TODO: implement colors
        # set curses color pairs manually
        curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_WHITE)
        curses.init_pair(2, curses.COLOR_WHITE, curses.COLOR_BLACK)
        curses.init_pair(3, curses.COLOR_GREEN, curses.COLOR_BLACK)
        curses.init_pair(4, curses.COLOR_BLUE, curses.COLOR_BLACK)
        curses.init_pair(5, curses.COLOR_MAGENTA, curses.COLOR_BLACK)
        curses.init_pair(6, curses.COLOR_YELLOW, curses.COLOR_BLACK)
        curses.init_pair(7, curses.COLOR_RED, curses.COLOR_BLACK)
        curses.init_pair(8, curses.COLOR_CYAN, curses.COLOR_BLACK) 

def setup_screen(screen):
    """Sets up screen
    """
    # Set screen to getch() is non-blocking
    screen.nodelay(1)

    # Define some colors
    curses.init_pair(1, curses.COLOR_RED, curses.COLOR_BLACK)
    curses.init_pair(2, curses.COLOR_GREEN, curses.COLOR_BLACK)
    curses.init_pair(3, curses.COLOR_CYAN, curses.COLOR_BLACK)
    curses.init_pair(4, curses.COLOR_MAGENTA, curses.COLOR_BLACK)
    curses.init_pair(5, curses.COLOR_YELLOW, curses.COLOR_BLACK)

    # Add border
    screen.border(0) 

def __init__(self):
        """
        Setup the main screen, progress bars and logging box
        """
        self.screen = curses.initscr()
        curses.curs_set(0)

        curses.start_color()
        curses.init_pair(1, curses.COLOR_RED, curses.COLOR_BLACK)
        curses.init_pair(2, curses.COLOR_GREEN, curses.COLOR_BLACK)
        curses.init_pair(3, curses.COLOR_MAGENTA, curses.COLOR_BLACK)
        curses.init_pair(4, curses.COLOR_CYAN, curses.COLOR_BLACK)
        curses.init_pair(5, curses.COLOR_BLUE, curses.COLOR_BLACK)
        curses.init_pair(6, curses.COLOR_YELLOW, curses.COLOR_BLACK)

        self.height, self.width = self.screen.getmaxyx()
        self.screen.border()

        self.preptotal()
        self.prepcurrent()
        self.preplog()
        self.banner()
        self.sig()

        self.drives = len(glob.glob("/dev/sd?1"))
        self.donedrives = 0
        self.prevprogress = 0
        self.loglines = []
        self.idx = 1 

def init_curses(self):
        self.stdscr = curses.initscr()
        curses.start_color()
        curses.use_default_colors()
        curses.init_pair(1, curses.COLOR_RED, -1)
        curses.init_pair(2, curses.COLOR_YELLOW, -1)
        curses.init_pair(3, curses.COLOR_CYAN, -1)
        curses.init_pair(4, curses.COLOR_GREEN, -1) 

def init_curses(self):
        self.stdscr = curses.initscr()
        curses.start_color()
        curses.use_default_colors()
        curses.init_pair(1, curses.COLOR_RED, -1)
        curses.init_pair(2, curses.COLOR_YELLOW, -1)
        curses.init_pair(3, curses.COLOR_CYAN, -1)
        curses.init_pair(4, curses.COLOR_GREEN, -1)
        curses.init_pair(5, curses.COLOR_BLUE, -1) 

def __init__(self):
        self.screen = curses.initscr()
        self.screen.timeout(100)  # the screen refresh every 100ms
        # charactor break buffer
        curses.cbreak()
        self.screen.keypad(1)

        curses.start_color()
        if Config().get("curses_transparency"):
            curses.use_default_colors()
            curses.init_pair(1, curses.COLOR_GREEN, -1)
            curses.init_pair(2, curses.COLOR_CYAN, -1)
            curses.init_pair(3, curses.COLOR_RED, -1)
            curses.init_pair(4, curses.COLOR_YELLOW, -1)
        else:
            curses.init_pair(1, curses.COLOR_GREEN, curses.COLOR_BLACK)
            curses.init_pair(2, curses.COLOR_CYAN, curses.COLOR_BLACK)
            curses.init_pair(3, curses.COLOR_RED, curses.COLOR_BLACK)
            curses.init_pair(4, curses.COLOR_YELLOW, curses.COLOR_BLACK)
        # term resize handling
        size = terminalsize.get_terminal_size()
        self.x = max(size[0], 10)
        self.y = max(size[1], 25)
        self.startcol = int(float(self.x) / 5)
        self.indented_startcol = max(self.startcol - 3, 0)
        self.update_space()
        self.lyric = ""
        self.now_lyric = ""
        self.post_lyric = ""
        self.now_lyric_index = 0
        self.tlyric = ""
        self.storage = Storage()
        self.config = Config()
        self.newversion = False 

def run(self):
        """
        """

        self.setup()

        # Clear screen
        self.screen.clear()
        #
        curses.start_color()

        curses.init_pair(1, curses.COLOR_CYAN, curses.COLOR_BLACK)
        curses.init_pair(2, curses.COLOR_GREEN, curses.COLOR_BLACK)
        curses.init_pair(3, curses.COLOR_MAGENTA, curses.COLOR_BLACK)
        curses.init_pair(4, curses.COLOR_YELLOW, curses.COLOR_BLACK)
        curses.init_pair(5, curses.COLOR_RED, curses.COLOR_BLACK)
        curses.init_pair(6, curses.COLOR_WHITE, curses.COLOR_BLACK)

        while True:
            #
            session.expire_all()
            # TODO: Add some standard header to the top? (like interval time etc)
            #
            self.render()
            #
            self.increment.reset()
            #
            self.screen.refresh()
            #
            time.sleep(self.interval)

            self.running += self.interval

        return 

def __init__(self, enable=True):
        self.enable = enable
        if not self.enable:
            return
        self.logger = logging.getLogger('trader-logger')
        self.stdscr = curses.initscr()
        self.pad = curses.newpad(23, 120)
        self.order_pad = curses.newpad(10, 120)
        self.timestamp = ""
        self.last_order_update = 0
        curses.start_color()
        curses.noecho()
        curses.cbreak()
        curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_GREEN)
        curses.init_pair(2, curses.COLOR_BLACK, curses.COLOR_RED)
        self.stdscr.keypad(1)
        self.pad.addstr(1, 0, "Waiting for a trade...") 

def setup(self, stdscr):
        fm_log(logger, 'init baidufm fm cli')
        self.stdscr = stdscr

        # init color
        curses.init_pair(1, curses.COLOR_CYAN, curses.COLOR_BLACK)
        curses.init_pair(2, curses.COLOR_BLUE, curses.COLOR_BLACK)
        curses.init_pair(3, curses.COLOR_YELLOW, curses.COLOR_BLACK)
        curses.init_pair(4, curses.COLOR_GREEN, curses.COLOR_BLACK)
        curses.init_pair(5, curses.COLOR_WHITE, curses.COLOR_BLACK)
        curses.init_pair(6, curses.COLOR_BLACK, curses.COLOR_MAGENTA)
        curses.init_pair(7, curses.COLOR_BLACK, curses.COLOR_GREEN)
        curses.init_pair(8, curses.COLOR_MAGENTA, curses.COLOR_BLACK)
        curses.init_pair(9, curses.COLOR_GREEN, curses.COLOR_BLACK)
        curses.init_pair(10, curses.COLOR_RED, curses.COLOR_BLACK)

        curses.start_color()
        for i in range(0, curses.COLORS):
            if i < 10:
                continue
            curses.init_pair(i + 1, curses.COLOR_BLACK, i)

        self.player = choose_player()(self.footer, self.event)

        self.stdscr.nodelay(0)
        self.setup_and_draw_screen()
        self.run() 

def init_colors(self):

        if curses.has_colors() and curses.can_change_color():
            curses.init_color(self.COLOR_BLACK, 0, 0, 0)
            curses.init_color(self.COLOR_WHITE, 1000, 1000, 1000)
            curses.init_color(self.COLOR_BLUE, 0, 0, 1000)
            curses.init_color(self.COLOR_RED, 1000, 0, 0)
            curses.init_color(self.COLOR_GREEN, 0, 1000, 0)

            for i in xrange(0, self.GRAYS):
                curses.init_color(
                        self.GRAY_BASE + i,
                        i * 1000 / (self.GRAYS - 1),
                        i * 1000 / (self.GRAYS - 1),
                        i * 1000 / (self.GRAYS - 1)
                        )
                curses.init_pair(
                        self.GRAY_BASE + i,
                        self.GRAY_BASE + i,
                        self.COLOR_BLACK
                        )

        else:
            self.COLOR_BLACK = curses.COLOR_BLACK
            self.COLOR_WHITE = curses.COLOR_WHITE
            self.COLOR_BLUE = curses.COLOR_BLUE
            self.COLOR_RED = curses.COLOR_RED
            self.COLOR_GREEN = curses.COLOR_GREEN

            for i in xrange(0, self.GRAYS):
                curses.init_pair(
                        self.GRAY_BASE + i,
                        self.COLOR_WHITE,
                        self.COLOR_BLACK
                        )

        curses.init_pair(self.BLACK, self.COLOR_BLACK, self.COLOR_BLACK)
        curses.init_pair(self.WHITE, self.COLOR_WHITE, self.COLOR_BLACK)
        curses.init_pair(self.BLUE, self.COLOR_BLUE, self.COLOR_BLACK)
        curses.init_pair(self.RED, self.COLOR_RED, self.COLOR_BLACK)
        curses.init_pair(self.GREEN, self.COLOR_GREEN, self.COLOR_BLACK) 

def init_colors(self):
        if curses.has_colors() and curses.can_change_color():
            curses.init_color(self.COLOR_BLACK, 0, 0, 0)
            curses.init_color(self.COLOR_WHITE, 1000, 1000, 1000)
            curses.init_color(self.COLOR_BLUE, 0, 0, 1000)
            curses.init_color(self.COLOR_RED, 1000, 0, 0)
            curses.init_color(self.COLOR_GREEN, 0, 1000, 0)

            # this will remove flicker, but gives boring colors
            '''
            self.COLOR_BLACK = curses.COLOR_BLACK
            self.COLOR_WHITE = curses.COLOR_WHITE
            self.COLOR_BLUE = curses.COLOR_BLUE
            self.COLOR_RED = curses.COLOR_RED
            self.COLOR_GREEN = curses.COLOR_GREEN
            '''

            for i in xrange(0, self.GRAYS):
                curses.init_color(
                        self.GRAY_BASE + i,
                        i * 1000 / (self.GRAYS - 1),
                        i * 1000 / (self.GRAYS - 1),
                        i * 1000 / (self.GRAYS - 1)
                        )
                curses.init_pair(
                        self.GRAY_BASE + i,
                        self.GRAY_BASE + i,
                        self.COLOR_BLACK
                        )

        else:
            self.COLOR_BLACK = curses.COLOR_BLACK
            self.COLOR_WHITE = curses.COLOR_WHITE
            self.COLOR_BLUE = curses.COLOR_BLUE
            self.COLOR_RED = curses.COLOR_RED
            self.COLOR_GREEN = curses.COLOR_GREEN

            for i in xrange(0, self.GRAYS):
                curses.init_pair(
                        self.GRAY_BASE + i,
                        self.COLOR_WHITE,
                        self.COLOR_BLACK
                        )

        curses.init_pair(self.BLACK, self.COLOR_BLACK, self.COLOR_BLACK)
        curses.init_pair(self.WHITE, self.COLOR_WHITE, self.COLOR_BLACK)
        curses.init_pair(self.BLUE, self.COLOR_BLUE, self.COLOR_BLACK)
        curses.init_pair(self.RED, self.COLOR_RED, self.COLOR_BLACK)
        curses.init_pair(self.GREEN, self.COLOR_GREEN, self.COLOR_BLACK) 

def main(self, stdscr):
        self.screen = stdscr

        curses.use_default_colors()

        curses.init_pair(1, curses.COLOR_RED, -1)
        curses.init_pair(2, curses.COLOR_MAGENTA, -1)
        curses.init_pair(3, curses.COLOR_YELLOW, -1)
        curses.init_pair(4, curses.COLOR_BLUE, -1)
        curses.init_pair(5, curses.COLOR_CYAN, -1)
        curses.init_pair(6, curses.COLOR_GREEN, -1)
        curses.init_pair(7, curses.COLOR_WHITE, curses.COLOR_BLACK)

        COLOR_RED = curses.color_pair(1)
        COLOR_MAGENTA = curses.color_pair(2)
        COLOR_YELLOW = curses.color_pair(3)
        COLOR_BLUE = curses.color_pair(4)
        COLOR_CYAN = curses.color_pair(5)
        COLOR_GREEN = curses.color_pair(6)
        COLOR_BLACK = curses.color_pair(7)

        self.SEVERITY_MAP = {
            'security': ['Sec', COLOR_BLACK],
            'critical': ['Crit', COLOR_RED],
            'major': ['Majr', COLOR_MAGENTA],
            'minor': ['Minr', COLOR_YELLOW],
            'warning': ['Warn', COLOR_BLUE],
            'indeterminate': ['Ind ', COLOR_CYAN],
            'cleared': ['Clr', COLOR_GREEN],
            'normal': ['Norm', COLOR_GREEN],
            'ok': ['Ok', COLOR_GREEN],
            'informational': ['Info', COLOR_GREEN],
            'debug': ['Dbug', COLOR_BLACK],
            'trace': ['Trce', COLOR_BLACK],
            'unknown': ['Unkn', COLOR_BLACK]
        }

        self.screen.keypad(1)
        self.screen.nodelay(1)

        while True:
            self.update()
            event = self.screen.getch()
            if 0 < event < 256:
                self._key_press(chr(event))
            else:
                if event == curses.KEY_RESIZE:
                    self.update()
            time.sleep(2)