How to use the rpmlint.color.Color function in rpmlint

elif level == 'W':
            lvl_color = Color.Yellow
        else:
            lvl_color = Color.Bold
        # raise the counters
        self.score += badness
        self.printed_messages[level] += 1
        # compile the message
        line = f'{package.current_linenum}:' if package.current_linenum else ''
        arch = f'.{package.arch}' if package.arch else ''
        bad_output = f' (Badness: {badness})' if badness else ''
        detail_output = ''
        for detail in details:
            if detail:
                detail_output += f' {detail}'
        result = f'{Color.Bold}{filename}{arch}:{line}{Color.Reset} {lvl_color}{level}: {reason}{Color.Reset}'
        result += bad_output
        result += detail_output
        self.results.append(result)

def _print_header(self):
        """
        Print out header information about the state of the
        rpmlint prior printing out the check report.
        """
        intro = string_center('rpmlint session starts', '=')
        print(f'{Color.Bold}{intro}{Color.Reset}')
        print(f'rpmlint: {__version__}')
        print('configuration:')
        for config in self.config.conf_files:
            print(f'    {config}')
        if self.options['rpmlintrc']:
            rpmlintrc = self.options['rpmlintrc']
            print(f'rpmlintrc: {rpmlintrc}')
        no_checks = len(self.config.configuration['Checks'])
        no_pkgs = len(self.options['installed']) + len(self.options['rpmfile'])
        print(f'{Color.Bold}checks: {no_checks}, packages: {no_pkgs}{Color.Reset}')
        print('')
        print('')

def print_warning(message):
    """
    Print warning message to stderr.
    """
    print(f'{Color.Red}{message}{Color.Reset}', file=sys.stderr)

self.print_config()
            return retcode
        # just explain the error and abort too
        if self.options['explain']:
            self.print_explanation(self.options['explain'])
            return retcode
        # if there are installed arguments just load them up as extra
        # items to the rpmfile option
        if self.options['installed']:
            self.validate_installed_packages(self._load_installed_rpms(self.options['installed']))
        # if no exclusive option is passed then just loop over all the
        # arguments that are supposed to be either rpm or spec files
        self.validate_files(self.options['rpmfile'])
        self._print_header()
        print(self.output.print_results(self.output.results))
        quit_color = Color.Bold
        if self.output.printed_messages['W'] > 0:
            quit_color = Color.Yellow
        if self.output.badness_threshold > 0 and self.output.score > self.output.badness_threshold:
            msg = string_center(f'Badness {self.output.score} exceeeds threshold {self.output.badness_threshold}, aborting.', '-')
            print(f'{Color.Red}{msg}{Color.Reset}')
            quit_color = Color.Red
            retcode = 66
        elif self.output.printed_messages['E'] > 0 and not self.config.permissive:
            quit_color = Color.Red
            retcode = 64
        msg = string_center('{} packages and {} specfiles checked; {} errors, {} warnings'.format(self.packages_checked, self.specfiles_checked, self.output.printed_messages['E'], self.output.printed_messages['W']), '=')
        print(f'{quit_color}{msg}{Color.Reset}')
        return retcode

# if there are installed arguments just load them up as extra
        # items to the rpmfile option
        if self.options['installed']:
            self.validate_installed_packages(self._load_installed_rpms(self.options['installed']))
        # if no exclusive option is passed then just loop over all the
        # arguments that are supposed to be either rpm or spec files
        self.validate_files(self.options['rpmfile'])
        self._print_header()
        print(self.output.print_results(self.output.results))
        quit_color = Color.Bold
        if self.output.printed_messages['W'] > 0:
            quit_color = Color.Yellow
        if self.output.badness_threshold > 0 and self.output.score > self.output.badness_threshold:
            msg = string_center(f'Badness {self.output.score} exceeeds threshold {self.output.badness_threshold}, aborting.', '-')
            print(f'{Color.Red}{msg}{Color.Reset}')
            quit_color = Color.Red
            retcode = 66
        elif self.output.printed_messages['E'] > 0 and not self.config.permissive:
            quit_color = Color.Red
            retcode = 64
        msg = string_center('{} packages and {} specfiles checked; {} errors, {} warnings'.format(self.packages_checked, self.specfiles_checked, self.output.printed_messages['E'], self.output.printed_messages['W']), '=')
        print(f'{quit_color}{msg}{Color.Reset}')
        return retcode

badness = 0
        if reason in self.badness:
            badness = int(self.badness[reason])
            # If we have any badness configured then we 'stricten' and call the
            # result Error. Otherwise we downgrade the error to Warn.
            if badness > 0:
                level = 'E'
            elif level == 'E':
                level = 'W'
        # allow strict reporting where we override levels and treat everything
        # as an error
        if self.strict:
            level = 'E'
        # set coloring
        if level == 'E':
            lvl_color = Color.Red
        elif level == 'W':
            lvl_color = Color.Yellow
        else:
            lvl_color = Color.Bold
        # raise the counters
        self.score += badness
        self.printed_messages[level] += 1
        # compile the message
        line = f'{package.current_linenum}:' if package.current_linenum else ''
        arch = f'.{package.arch}' if package.arch else ''
        bad_output = f' (Badness: {badness})' if badness else ''
        detail_output = ''
        for detail in details:
            if detail:
                detail_output += f' {detail}'
        result = f'{Color.Bold}{filename}{arch}:{line}{Color.Reset} {lvl_color}{level}: {reason}{Color.Reset}'