txt转换为html 来自http://www.cnblogs.com/congbo/archive/2013/01/19/2868135.html

txt2html.py

def txt2html(txt):
    '''将txt以行为单位加上<li></li>标签'''
    def escape(txt):
        '''将txt文本中的空格、&、<、>、（"）、（'）转化成对应的的字符实体，以方便在html上显示'''
        txt = txt.replace('&','&#38;')
        txt = txt.replace(' ','&#160;')
        txt = txt.replace('<','&#60;')
        txt = txt.replace('>','&#62;')
        txt = txt.replace('"','&#34;')
        txt = txt.replace('\'','&#39;')
        return txt

    txt = escape(txt)
    lines = txt.split('\n')
    for i, line in enumerate(lines):
        lines[i] = '<li>' + line + '</li>'
        #lines[i] = '<p>' + line + '</p>'
    txt = ''.join(lines)
    return txt