python3 bs4解析网页时报错： bs4.FeatureNotFound: Couldn’t find a tree builder with the features you requested: lxml.

bs4调用了python自带的html解析器，python3没有html解释器，所以会报错。
给python3装一个html解析器：
pip3 install lxml

bs4.FeatureNotFound: Couldn’t find a tree builder with the features you requested: lxml.的更多相关文章

  1. python bs4解析网页时 bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to inst（转）

    Python小白,学习时候用到bs4解析网站,报错 bs4.FeatureNotFound: Couldn't find a tree builder with the features you re ...

  2. python报错bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml.

    qpython运行 原代码:    soup = BeautifulSoup(r.text,'lxml') 报错:bs4.FeatureNotFound: Couldn't find a tree b ...

  3. bs4 FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library?

    安装beautifulsoup后,运行测试报错 from urllib import requestfrom bs4 import BeautifulSoup url = "http://w ...

  4. 执行python 爬虫脚本时提示bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library?

    from bs4 import BeautifulSoupfrom urllib.request import urlopenimport re html = urlopen('http://**** ...

  5. Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library?

    python3.6.3  我在处理爬虫时候使用BeautifulSoup中遇到报错 “ bs4.FeatureNotFound: Couldn't find a tree builder with t ...

  6. [error:没有解析库]Couldn't find a tree builder with the features you requested: xml. Do you need to install a parser library?

    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: soup = BeautifulSoup(open(fp), 'xml') 安装解析库即可: ...

  7. 【Python学习】爬虫报错处理bs4.FeatureNotFound

    [BUG回顾] 在学习Python爬虫时,运Pycharm中的文件出现了这样的报错: bs4.FeatureNotFound: Couldn’t find a tree builder with th ...

  8. Python 中常见错误总结

    IndentationError: unexpected indent Python 中强制缩进,, IndentationError: unexpected indent 缩进错误 这类错误非常常见 ...

  9. python-bs4的使用

    BeautifulSoup4 官方文档 是一个Python库,用于从HTML和XML文件中提取数据.它与您最喜欢的解析器一起使用,提供导航,搜索和修改解析树的惯用方法.它通常可以节省程序员数小时或数天 ...

随机推荐

  1. Google API Design Guide (谷歌API设计指南)中文版

    面向资源的设计 这份设计指南的目标是帮助开发人员设计简单.一致.易用的网络API.同时,它也有助于收敛基于socket的API和(注:原文是with,这里翻译为“和”)基于HTTP的REST API. ...

  2. Scala函数使用可变参数

    scala同java一样,在定义函数的时候支持接收可变长参数列表,即最后一个参数的可以被重复.示例代码如下: 结果: 在此代码中我们定义函数printInfo接收变长参数列表,其最后一个参数names ...

  3. ThinkPHP3.2.3中M()和D()的区别详解

    在实例化的过程中,经常使用D方法和M方法, 区别在于:M方法实例化模型无需用户为每个数据表定义模型类,如果D方法没有找到定义的模型类,则会自动调用M方法. 通俗一点说:1.M实例化参数是数据库的表名, ...

  4. Solve Error: Library not loaded: @rpath/RoutingHTTPServer.framework/RoutingHTTPServer

    在配置WebDriverAgent的时候,可能会遇到如下的错误: 2018-01-04 09:53:42.759370-0600 WebDriverAgentRunner-Runner[318:133 ...

  5. Galera Cluster mysql+keepalived集群部署

    1.卸载mysql 查找本机安装的mysqlrpm -qa | grep -i mysql --nodeps --force rpm -ev MySQL-server-5.6.15-1.el6.x86 ...

  6. 项目中的java文件没有在WEB-INF\classes中生成class文件

    https://blog.csdn.net/u011008029/article/details/49303723 病因: 我在eclipse 上面  编的web  项目 并没有错 但是 一直出现 5 ...

  7. linux的基本操作（mysql 的基本操作）

    Mysql 的基本操作 在前面两个章节中已经介绍过MySQL的安装了,但是光会安装还不够,还需要会一些基本的相关操作.当然了,关于MySQL的内容也是非常多的,只不过对于linux系统管理员来讲,一些 ...

  8. JBPM工作流（二）——数据库表说明

    以下为JBMP的数据库说明(18张): 1 流程配置类数据库表: 1.1 JBPM_PROCESSDEFINITION:流程模版表 字段名 字段含义 主键 外键 ID_ 流程模版标识 √ × NAME ...

  9. hibernate05--list和iterator

    package cn.bdqn.test; import java.util.Iterator; import java.util.List; import org.hibernate.Query; ...

  10. oracle编码转换：AL32UTF8->ZHS16GBK

    --修改Oracle数据库字符集为utf-8: SQL>conn / as sysdba; SQL>shutdown immediate; SQL>startup mount; SQ ...