Python NameError:未定义名称“请求”

声明:本页面是StackOverFlow热门问题的中英对照翻译,遵循CC BY-SA 4.0协议,如果您需要使用它,必须同样遵循CC BY-SA许可,注明原文地址和作者信息,同时你必须将它归于原作者(不是我):StackOverFlow 原文地址: http://stackoverflow.com/questions/26895371/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me): StackOverFlow

提示:将鼠标放在中文语句上可以显示对应的英文。显示中英文
时间:2020-08-19 01:08:08  来源:igfitidea点击:

NameError: name 'requests' is not defined

pythoncompiler-errorspython-import

提问by user3440716

I have taken this code as for help "Python getting all links from a google search result page" .

我已将此代码作为帮助“ Python 从 google 搜索结果页面获取所有链接”。

When I try importing requests in Python 3.3.3, I get NameError: name 'requests' is not defined. I tested the "request" and "bs4" module using the CMD prompt and both show that this library has been installed.

当我尝试在 Python 3.3.3 中导入请求时,我得到NameError: name 'requests' is not defined. 我使用 CMD 提示符测试了“request”和“bs4”模块,两者都显示该库已安装。

I am trying to extract the related searched links from Google Search Result, but I don't know why I'm getting this error.

我正在尝试从 Google 搜索结果中提取相关的搜索链接,但我不知道为什么会出现此错误。

from bs4 import BeautifulSoup
page = requests.get("https://www.google.dz/search?q=see")
soup = BeautifulSoup(page.content)
import re
links = soup.findAll("a")
for link in  soup.find_all("a",href=re.compile("(?<=/url\?q=)(htt.*://.*)")):
    print (re.split(":(?=http)",link["href"].replace("/url?q=","")))

Error: Traceback (most recent call last):
  File "C:/Users/DELL/Desktop/python/s/beauti.py", line 2, in <module>
    page = requests.get("https://www.google.dz/search?q=see")
NameError: name 'requests' is not defined

采纳答案by Hasan Ramezani

install requests

安装 requests

pip install requests

and change your code like this:

并像这样更改您的代码:

from bs4 import BeautifulSoup 
import requests 
page = requests.get("https://www.google.dz/search?q=see") 
soup = BeautifulSoup(page.content) 
links = soup.findAll("a") 
for link in links: 
    if link['href'].startswith('/url?q='): 
        print (link['href'].replace('/url?q=',''))