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超轻量级php框架startmvc

python3爬取数据至mysql的方法

更新时间:2020-06-07 18:54:01 作者:startmvc
本文实例为大家分享了python3爬取数据至mysql的具体代码,供大家参考,具体内容如下直接贴

本文实例为大家分享了python3爬取数据至mysql的具体代码,供大家参考,具体内容如下

直接贴代码


#!/usr/local/bin/python3.5 
# -*- coding:UTF-8 -*- 
from urllib.request import urlopen 
from bs4 import BeautifulSoup 
import re 
import datetime 
import random 
import pymysql 
 
connect = pymysql.connect(host='192.168.10.142', unix_socket='/tmp/mysql.sock', user='root', passwd='1234', db='scraping', charset='utf8') 
cursor = connect.cursor() 
cursor.execute('USE scraping') 
 
random.seed(datetime.datetime.now()) 
 
 
def store(title, content): 
 
 execute = cursor.execute("select * from pages WHERE `title` = %s", title) 
 if execute <= 0: 
 cursor.execute("insert into pages(`title`, `content`) VALUES(%s, %s)", (title, content)) 
 cursor.connection.commit() 
 else: 
 print('This content is already exist.') 
 
 
def get_links(acticle_url): 
 html = urlopen('http://en.wikipedia.org' + acticle_url) 
 soup = BeautifulSoup(html, 'html.parser') 
 title = soup.h1.get_text() 
 content = soup.find('div', {'id': 'mw-content-text'}).find('p').get_text() 
 store(title, content) 
 return soup.find('div', {'id': 'bodyContent'}).findAll('a', href=re.compile("^(/wiki/)(.)*$")) 
 
links = get_links('') 
 
try: 
 while len(links) > 0: 
 newActicle = links[random.randint(0, len(links) - 1)].attrs['href'] 
 links = get_links(newActicle) 
 print(links) 
finally: 
 cursor.close() 
 connect.close() 

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。

python3 爬取 mysql