回答此问题可获得 20 贡献值,回答如果被采纳可获得 50 分。
<p>使用regex时无法提取特定字段检索方法。
显示的错误为:</p>
<pre><code>raw_add = re.search(search_add.decode('utf-8'),i.decode('utf-8')).group()
AttributeError: 'NoneType' object has no attribute 'group'
</code></pre>
<p>我的代码如下:</p>
<pre><code>import urllib2
import re
from json import dump
dumped_data = []
url = 'http://levi.in/store-finder/content/cityAddress.xml'
data = urllib2.urlopen(url).read()
class theAddress():
city = ""
state = ""
lat = ""
lng = ""
area = ""
addr = ""
broken_pieces = re.compile('(?<=marker ).+?(?="\/>)')
all_broken_pieces = re.findall(broken_pieces,data)
search_add = '(?<=html=").+?(?=Tel|<\/p>)'
for i in all_broken_pieces:
obj = theAddress()
obj.city = re.search('(?<=city=").+?(?=")',i).group()
obj.state = re.search('(?<=state=").+?(?=")',i).group()
obj.lat = re.search('(?<=lat=").+?(?=")',i).group()
obj.lng = re.search('(?<=lng=").+?(?=")',i).group()
obj.area = re.search('(?<=label=").+?(?=")',i).group()
raw_add = re.search(search_add.decode('utf-8'),i.decode('utf-8')).group()
try:
process1 = re.sub('&lt;h5&gt;','',raw_add)
process2 = re.sub('&lt;/h5&gt;',' ',process1)
process3 = re.sub('&lt;p&gt;','',process2)
process4 = re.sub('&lt;br /&gt;',' ',process3)
process5 = re.sub('&lt;/p&gt;','',process4)
process6 = re.sub('&amp;','&',process5)
obj.addr = process6
except:
pass
dumped_data.append(obj.__dict__)
f = open('levis_address1111.json','w')
dump(dumped_data, f, indent = 1)
</code></pre>
<p>这里的问题是,每当正则表达式匹配的地址以“Tel”结尾时,数据就会被提取出来,但当它以“<;/p>;”结尾时,错误就会弹出。你知道吗</p>