qpython运行

原代码：    soup = BeautifulSoup(r.text,'lxml')

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

改成：    soup = BeautifulSoup(r.text,'html.parser')

ok

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

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

  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. Python报错总结丶自定义报错

    Python报错总结: 常见异常 1,NameError: name 'a' is not defined:未定义函数名             2,IndentationError: uninden ...

  6. Python报错module 'scipy.misc' has no attribute 'xxx'

    Python报错module 'scipy.misc' has no attribute 'imresize' 解决办法: 安装Pillow包,命令如下: pip install Pillow 然后重 ...

  7. selenium python 报错“ unable to find binary in default location”

    selenium python 报错如下: raise exception_class(message, screen, stacktrace)selenium.common.exceptions.W ...

  8. 解决Python报错：local variable 'xxx' referenced before assignment（引）

    解决Python报错:local variable 'xxx' referenced before assignment(引) 解决Python报错:local variable 'xxx' refe ...

  9. python 报错 wxPyDeprecationWarning: Using deprecated class PySimpleApp.

    如题:python 报错 提示为 : wxPyDeprecationWarning: Using deprecated class PySimpleApp. 解决:将 wx.PySimpleApp() ...

随机推荐

  1. [github]添加fork me标识

    下午用python在命令行画超载鸡,累死,以后慢慢再改吧. 偶然见看到别人博客园右上角有github的fork me图标,就找找,自己也弄上. 直接给官方博客地址:地址 复制添加到需要的页面源码中,把 ...

  2. Luogu P1330 封锁阳光大学 (黑白染色)

    题意: 无向图,给一个顶点染色可以让他相邻的路不能通过,但是相邻顶点不能染色,求是否可以让所有的路不通,如果可以求最小染色数. 思路: 对于无向图中的每一个连通子图,都只有两种染色方法,或者染不了,直 ...

  3. Coroutine 预激装饰器

    预激装饰器 讨论如何终止协程之前,我们要先谈谈如何启动协程.使用协程之前必须预激,可是这一 步容易忘记.为了避免忘记,可以在协程上使用一个特殊的装饰器.接下来介绍这样一个 装饰器. 预激协程的装饰器, ...

  4. Java类的加载过程与ClassLoader的理解及测试

    当程序准备运行某个类,但该类还未被加载到内存中时,会经过以下三个步骤进行类的加载: 类的加载(Load)→类的连接(Link)→类的初始化(Initialize) 加载:类经过javac.exe编译的 ...

  5. ELF文件之九——使用链接脚本-2个函数-data-bss-temp-call-debug信息-struct

    main.c int enable; ; struct aaa { int membera; char memberb; }s_aaa; int main() { int temp; add(); d ...

  6. css沉默

    css变色龙实现. ==== css 1 水平居中和垂直居中. 2 css布局方式. 3 你写过UI框架么.

  7. package.json(node)中，多个命令行合并一条

    1. ‘&’ 并行执行顺序,同时执行 "dev":"node test.js & webpack" 2.'&&'继发顺序,执行前 ...

  8. jsplumb 常用事件

    1. jsPlumb.getAllConnections() 获取所有连接线2. jsPlumb.deleteEveryConnection(); 清空所有连接线3. jsPlumb.deleteCo ...

  9. NCE L3

    单词 课文

  10. 将jsp页面转化为图片或pdf升级版（二）（qq:1324981084）

    java高级架构师全套vip教学视频,需要的加我qq1324981084 上面我们已经将jsp页面转化成html页面了,那么接下来我们的目标是利用这个html页面形成pdf或图片格式.这里我用到的是w ...