[英]How to access this item using Beautiful Soup
我正在尝试访问一个元素
<script type="text/javascript">ReportPopper("http://asd.asd.asd/ReportOutput/asd-asd-41cc-asd-asd.xls");<script>
使用beautifulsoup
,遗憾的是我不知道如何访问ReportPopper部分并使用Python
将其分配给变量
对不起,如果已经回答了。 我尝试在find('ReportPopper')中添加ReportPopper并给我一个无元素。
import requests
import io
import os
from bs4 import BeautifulSoup
participation = requests.post(url=report_post_url,data=request_post_report_form,headers=report_post_headers,stream=True)
print(participation)
soup = BeautifulSoup(participation.text, 'html.parser')
for n in soup.find_all('script'):
javascript = n['ReportPopper']
print(javascript)
我希望得到我的最终结果:
javascript = "http://asd.asd.asd/ReportOutput/asd-asd-41cc-asd-asd.xls"
作为我的输出:
Traceback (most recent call last):
File "c:\Users\John asd\Documents\GitHub\asd.net\testing.py", line 184, in <module>
javascript = n['ReportPopper']
File "C:\Users\John asd\asd\Local\Programs\Python\Python37\lib\site-packages\bs4\element.py", line 1016, in __getitem__
return self.attrs[key]
KeyError: 'ReportPopper'
re.compile()返回一个正则表达式对象 ,这意味着h是一个正则表达式对象。
正则表达式对象有自己的匹配方法,可选的pos和endpos参数:
regex.match(string [,pos [,endpos]])
from bs4 import BeautifulSoup
import re
html = """<script>ReportPopper("http://asd.asd.asd/ReportOutput/asd-asd-41cc-asd-asd.xls");</script>"""
soup = BeautifulSoup(html, 'lxml')
script = soup.find_all("script")
pattern = re.compile('ReportPopper(.*);')
for i in script:
strObj = i.text
match = pattern.search(strObj)
if match:
print(strObj.split("ReportPopper(")[1][:-2])
O / P:
"http://asd.asd.asd/ReportOutput/asd-asd-41cc-asd-asd.xls"
使用bs4 4.7.1,您可以使用:contains如果响应中存在该字符串
from bs4 import BeautifulSoup as bs
# r = requests.get(url)
# html - r.content
html = '<script type="text/javascript">ReportPopper("http://asd.asd.asd/ReportOutput/asd-asd-41cc-asd-asd.xls");<script>'
soup = bs(html, 'lxml')
s = soup.select_one('script:contains(ReportPopper)').text
url = s.split('"')[1]
print(url)
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