定义信息源的一些示例（xml文件）

<source>
<name>范志红博客</name>
<comment>搜狐博客。原创营养信息。</comment>
<link>http://snowheart19.blog.sohu.com/</link>

<worker>rss_atom</worker>
<data>
<url>http://snowheart19.blog.sohu.com/rss</url>
</data>
</source>

<source>
<name>ybk168新邮预告</name>
<comment>ybk168新邮预告</comment>
<link>http://www.ybk168.com/newslist/00040051.html</link>

<worker>html_re</worker>
<data>
<url>http://www.ybk168.com/newslist/00040051.html</url>
<block>
<blockre flags='DOTALL'>
<![CDATA[
<div class="list">(.*?)<div class="page">
]]>
</blockre>
<itemre flags='DOTALL'>
<![CDATA[
<li><span.*?href="([^"]+)".*?title="([^"]+)".*?
class="list_lr">([^<]+)<
]]>
</itemre>
<maprules>
<title>2</title>
<url>'http://www.ybk168.com', 1</url>
<pub_date>3</pub_date>
</maprules>
</block>
</data>
</source>

<source>
<name>北京空气质量</name>
<comment>北京环境监测的微博。'，利有散染预【8时' in s or '浓度】' not in s</comment>
<link>http://weibo.cn/u/2516831703</link>

<worker>html_re</worker>
<data>
<url>http://weibo.cn/u/2516831703</url>

<block>
<blockre flags='DOTALL'>
<![CDATA[
<div class="b">(.*)$
]]>
</blockre>
<itemre flags='DOTALL'>
<![CDATA[
weibo\.cn\[([\d-]+)
]]>
</itemre>
<maprules>
<title>'notitle'</title>
<pub_date>1</pub_date>
<suid>1</suid>
</maprules>
</block>

<block>
<blockre flags='DOTALL'>
<![CDATA[
^(?:.*?\[<span class="kt">置顶</span>\]|.*?<span class="pms">)
(.*?)
<input type="submit" value="查看更多内容"
]]>
</blockre>
<itemre flags='DOTALL'>
<![CDATA[
<div class="c" id="([^"]+)">
(?:<div><span class="ctt">|.*?<span class="cmt">转发理由:</span>)
(.*?)
(?:</span>|<a [^>]+>赞\[\d+\]).*?
<span class="ct">([^& ]+)
]]>
</itemre>
<maprules>
<title>'notitle'</title>
<summary>2</summary>
<pub_date>3</pub_date>
<suid>1</suid>
</maprules>
</block>
</data>

<callback>
<![CDATA[
if posi == 0:
temp_date = info.pub_date
info.temp = 'del'
elif '日' in info.pub_date:
info.temp = 'del'
else:
s = info.summary
if '，' in s or \
'利' in s or \
'有' in s or \
'散' in s or \
'染' in s or \
'预' in s or \
'【8时' in s or \
'浓度】' not in s:
info.url = 'http://weibo.cn/u/2516831703'
info.pub_date = ''
info.title = '[' + temp_date + '] ' + s[:16] + '…'
else:
info.temp = 'del'
]]>
</callback>
</source>

<source>
<name>中国国家地理</name>
<comment>中国国家地理</comment>
<link>http://www.dili360.com/</link>

<worker>html_re</worker>
<data>
<url>http://www.dili360.com/</url>

<block>
<blockre flags='DOTALL'>
<![CDATA[
<div class="community-item" id="community-items" >
(.*?)<!--end-->
]]>
</blockre>
<itemre flags='DOTALL'>
<![CDATA[
<li class="img-block".*?
<a target="_blank" href="([^"]+)">.*?
<h4>(.*?)</h4>
]]>
</itemre>
<maprules>
<title>2</title>
<url>'http://www.dili360.com', 1</url>
</maprules>
</block>

<block>
<blockre flags='DOTALL'>
<![CDATA[
<div class="community-item" id="community-items" >
(.*?)<!--end-->
]]>
</blockre>
<itemre flags='DOTALL'>
<![CDATA[
<dt><a href="([^"]+)" target="_blank">(.*?)</a></dt>
]]>
</itemre>
<maprules>
<title>2</title>
<url>'http://www.dili360.com', 1</url>
</maprules>
</block>

<block>
<blockre flags='DOTALL'>
<![CDATA[
<ul class="style-1" id="replace">(.*?)</ul>
]]>
</blockre>
<itemre flags='DOTALL'>
<![CDATA[
<div class="detail">.*?
<a href="([^"]+)" target="_blank"><h4>(.*?)</h4>
]]>
</itemre>
<maprules>
<title>2</title>
<url>'http://www.dili360.com', 1</url>
<summary>'景观图片'</summary>
</maprules>
</block>

</data>
</source>

<source>
<name>新浪书讯</name>
<comment>新浪图书，书讯。</comment>
<link>http://book.sina.com.cn/</link>

<worker>html_json</worker>
<data>
<url>http://feed.mix.sina.com.cn/api/roll/get?callback=jsonp1436772833418&pageid=8&lid=156&num=20</url>
<re  flags='DOTALL'>
<![CDATA[
^try\{\w+\(
(.*)
\);\}catch\(e\)\{\};$
]]>
</re>

<block>
<block_path>'result', 'data'</block_path>
<title>'title'</title>
<url>'url'</url>
<summary>'summary'</summary>
<temp>'intro'</temp>
<pub_date>'ctime'</pub_date>
</block>
</data>

<callback>
<![CDATA[
info.pub_date = unixtime(info.pub_date)
info.summary = info.summary or info.temp
info.temp = 0
]]>
</callback>
</source>