python解析html开发库pyquery使用方法

例如

代码如下:
<div id="info">
<span><span class='pl'>导演</span>: <a href="/celebrity/1047989/" rel="v:directedBy">汤姆·提克威</a> / <a href="/celebrity/1161012/" rel="v:directedBy">拉娜·沃卓斯基</a> / <a href="/celebrity/1013899/" rel="v:directedBy">安迪·沃卓斯基</a></span><br/>
<span><span class='pl'>编剧</span>: <a href="/celebrity/1047989/">汤姆·提克威</a> / <a href="/celebrity/1013899/">安迪·沃卓斯基</a> / <a href="/celebrity/1161012/">拉娜·沃卓斯基</a></span><br/>
<span><span class='pl'>主演</span>: <a href="/celebrity/1054450/" rel="v:starring">汤姆·汉克斯</a> / <a href="/celebrity/1054415/" rel="v:starring">哈莉·贝瑞</a> / <a href="/celebrity/1019049/" rel="v:starring">吉姆·布劳德本特</a> / <a href="/celebrity/1040994/" rel="v:starring">雨果·维文</a> / <a href="/celebrity/1053559/" rel="v:starring">吉姆·斯特吉斯</a> / <a href="/celebrity/1057004/" rel="v:starring">裴斗娜</a> / <a href="/celebrity/1025149/" rel="v:starring">本·卫肖</a> / <a href="/celebrity/1049713/" rel="v:starring">詹姆斯·达西</a> / <a href="/celebrity/1027798/" rel="v:starring">周迅</a> / <a href="/celebrity/1019012/" rel="v:starring">凯斯·大卫</a> / <a href="/celebrity/1201851/" rel="v:starring">大卫·吉雅西</a> / <a href="/celebrity/1054392/" rel="v:starring">苏珊·萨兰登</a> / <a href="/celebrity/1003493/" rel="v:starring">休·格兰特</a></span><br/>
<span class="pl">类型:</span> <span property="v:genre">剧情</span> / <span property="v:genre">科幻</span> / <span property="v:genre">悬疑</span><br/>
<span class="pl">官方网站:</span> <a href="http://cloudatlas.warnerbros.com" rel="nofollow" target="_blank">cloudatlas.warnerbros.com</a><br/>
<span class="pl">制片国家/地区:</span> 德国 / 美国 / 香港 / 新加坡<br/>
<span class="pl">语言:</span> 英语<br/>
<span class="pl">上映日期:</span> <span property="v:initialReleaseDate" content="2013-01-31(中国大陆)">2013-01-31(中国大陆)</span> / <span property="v:initialReleaseDate" content="2012-10-26(美国)">2012-10-26(美国)</span><br/>
<span class="pl">片长:</span> <span property="v:runtime" content="134">134分钟(中国大陆)</span> / 172分钟(美国)<br/>
<span class="pl">IMDb链接:</span> <a href="http://www.imdb.com/title/tt1371111" target="_blank" rel="nofollow">tt1371111</a><br>
<span class="pl">官方小站:</span>
<a href="http://site.douban.com/202494/" target="_blank">电影《云图》</a>