等待安装成功,再次运行py文件就不会报这个错了。
Do you need to install a parser library?两种解决方案 lxml是python的一个解析库,支持HTML和XML的解析,支持XPath解析方式,而且解析效率非常高 方法一:安装lxml 在cmd中输入pip3 install lxml 方法二:换一种解析方式 将soup = BeautifulSoup(r.text, '**lxml**')修改成如下形式即可:... ...
File "E:\Tools\Python\Python3.5\lib\site-packages\bs4\__init__.py", line 165, in __init__ % ",".join(features)) bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html_parser. Do you need to install a parser library? 好像是解析器的问题,求解谢谢...
#当然如果你安装了 lxml也可以用lxml,解析节点比较快 soup = BeautifulSoup(html_cont, 'html.parser'...
将代码拷贝到服务器上运行,发生错误提示需要新安装parser library. 查看代码中发现有以下内容: 安装解析库即可:
#Python3#爬虫报错:Do you need to install a parser library? 利用爬虫爬取数据时遇到这个问题,经查阅解决方式如下: 将soup = BeautifulSoup(html, 'xml')修改成如下形式即可: soup = BeautifulSoup(html, 'html.parser')
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html_parser. Do you need to install a parser library?来源:7-7 开始运行爬虫和爬取结果展示 慕无忌932789 2018-11-25 20:04这个问题,我按照百度的方法已经pip install html_parser,还是这么报错 craw 1 : https://...
bs4.FeatureNotFound:Couldn'tfind a tree builder with the features you requested:lxml.Do you need to install a parser library? 几经周折才知道是bs4调用了python自带的html解析器,我用的mac,默认安装的是python2,所以内置的解释器也是捆绑在python2上,而我学习的时候又自己安装了python3,开发环境也是python...
Do you need to install a parser library? To Reproduce This happens when running the .get_posts() function from Profiles Expected behavior I expected to receive an object containing my posts. Desktop (please complete the following information): OS Browser: chrome Contributor tarob0ba commented Apr...
Do you need to install a parser library? Using pip install --upgrade edx-dl gives me the following output Requirement already up-to-date: edx-dl in c:\programdata\anaconda3\lib\site-packages Requirement already up-to-date: six>=1.5.0 in c:\programdata\anaconda3\lib\site-packages (from...