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python3爬取数据至mysql的方法
时间:2018-06-30 编辑:猪哥 来源:一聚教程网
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()
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