[Python] Color Printing Utility

io_color.py

class color(object):
    PURPLE = '\033[95m'
    CYAN = '\033[96m'
    DARKCYAN = '\033[36m'
    BLUE = '\033[94m'
    GREEN = '\033[92m'
    YELLOW = '\033[93m'
    RED = '\033[91m'
    BOLD = '\033[1m'
    UNDERLINE = '\033[4m'
    END = '\033[0m'

    showing = False

    @classmethod
    def print_bold(self, str):
        print self.BOLD + str + self.END

    @classmethod
    def print_process(self, curr_idx, total, step=5, bold=True):
        cnt_precent = (int)((1.0 * (curr_idx) / total) * 100)
        if cnt_precent % step == 0:
            if not self.showing:
                self.showing = True
                msg = "Done: " + str(cnt_precent) + '%'
                if bold:
                    self.print_bold(msg)
                else:
                    print msg
        else:
            self.showing = False
    
    @classmethod
    def print_elapsed_time(self, start_time, name='task', bold=False):        
        msg = "{} took {} (s)".format(name, time.time() - start_time)
        if bold:
            self.print_bold(msg)
        else:
            print msg