Python 脉冲群提取
我使用以下代码访问了下面发布的描述 代码如下:Python 脉冲群提取,python,beautifulsoup,Python,Beautifulsoup,我使用以下代码访问了下面发布的描述 代码如下: import requests from bs4 import BeautifulSoup resp = requests.get('https://www.meteoclimatic.net/feed/rss/ESCYL2400000024153A') soup = BeautifulSoup(resp.content, features='xml') items = soup.findAll('item') print(items[0].de
import requests
from bs4 import BeautifulSoup
resp = requests.get('https://www.meteoclimatic.net/feed/rss/ESCYL2400000024153A')
soup = BeautifulSoup(resp.content, features='xml')
items = soup.findAll('item')
print(items[0].description)
我获得了以下XML示例:
<description>
<ul>
<li><img src="http://meteoclimatic.net/img/sem_tpv.png" style="width: 12px; height: 12px; border: 0px;" alt="***" /> <a href="http://www.meteoclimatic.net/perfil/ESCYL2400000024153A">Sta Mar&#237;a del Condado</a></li>
<ul>
<li> Actualizado: 24-07-2018 08:20 UTC</li>
<li>Temperatura: <b>23,6</b> &#186;C (
M&#225;x.: <b style="color: red">23,6</b> /
M&#237;n.: <b style="color: blue">12,1</b> )</li>
<li>Humedad: <b>54,0</b> % (
M&#225;x.: <b style="color: red">91,0</b> /
M&#237;n.: <b style="color: blue">54,0</b> )</li>
<li>Bar&#243;metro: <b>1021,0</b> hPa (
M&#225;x.: <b style="color: red">1021,2</b> /
M&#237;n.: <b style="color: blue">1019,9</b> )</li>
<li>Viento: <b>1,0</b> km/h (
M&#225;x.: <b style="color: red">9,0</b> )</li>
<li>Direcci&#243;n del viento: <b>170</b> - S</li>
<li>Precip.: <b>0,0</b> mm</li>
</ul>
</ul>
<!--
[[<BEGIN:ESCYL2400000024153A:DATA>]]
[[<ESCYL2400000024153A;(23,6;23,6;12,1;sun);(54,0;91,0;54,0);(1021,0;1021,2;1019,9);(1,0;9,0;170);(0,0);Sta María del Condado>]]
[[<END:ESCYL2400000024153A:DATA>]]
-->
</description>
用于获取description
元素中的XML注释
from lxml import etree
tree = etree.parse("so.xml")
comment = tree.xpath("/rss/channel/item/description/comment()")[0].text
print(comment.split("\n")[2])
输出:
[[<ESCYL2400000024153A;(24,4;24,5;12,1;sun);(49,0;91,0;49,0);(1021,0;1021,2;1019,9);(5,0;10,0;219);(0,0);Sta María del Condado>]]
[]]
您可以使用BeautifulSoup,使用注释
对象:
import requests
from bs4 import BeautifulSoup, Comment
resp = requests.get('https://www.meteoclimatic.net/feed/rss/ESCYL2400000024153A')
soup = BeautifulSoup(resp.content, 'xml')
for item in soup.select('item'):
comments = item.description.find_all(text=lambda text:isinstance(text, Comment))
print([c for c in comments[0].split('\n') if c][1:-1])
印刷品:
['[[<ESCYL2400000024153A;(24,4;24,5;12,1;sun);(49,0;91,0;49,0);(1021,0;1021,2;1019,9);(5,0;10,0;219);(0,0);Sta María del Condado>]]']
['[]]]
编辑:
此代码遍历所有
标记。在每个
标记中,它将在
所有文本中找到,这是注释
对象的实例(换句话说,任何介于
标记之间的内容。然后它将根据换行符拆分第一条注释,并写入除第一行和最后一行以外的所有行。这些内容在XML注释
中,它们不属于描述的一部分。您好,请您稍微解释一下您在这里所做的工作,好吗?非常感谢。
['[[<ESCYL2400000024153A;(24,4;24,5;12,1;sun);(49,0;91,0;49,0);(1021,0;1021,2;1019,9);(5,0;10,0;219);(0,0);Sta María del Condado>]]']