可能重复:
Using BeautifulSoup, how to guard against elements not being found?
使用BeautifulSoup查找页面中的所有选项时出现以下Python错误:
for item in soup.find(id="start_dateid").find_all('option'):
AttributeError: 'NoneType' object has no attribute 'find_all'
问题是当页面没有id =“start_dateid”时,会产生错误:AttributeError:'NoneType'对象没有属性'find_all'
如何防止此错误?
答案 0 :(得分:2)
首先将“subsoup”分配给变量:
thing = soup.find(id="start_dateid")
if thing:
for option in thing.find_all('option'):
# potato potato potato