CommandLine.py 文件源码

def help(self,note=''):

        self.print_header()
        if self.synopsis:
            print 'Synopsis:'
            # To remain backward compatible:
            try:
                synopsis = self.synopsis % self.name
            except (NameError, KeyError, TypeError):
                synopsis = self.synopsis % self.__dict__
            print ' ' + synopsis
        print
        self.print_options()
        if self.version:
            print 'Version:'
            print ' %s' % self.version
            print
        if self.about:
            print string.strip(self.about % self.__dict__)
            print
        if note:
            print '-'*72
            print 'Note:',note
            print