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import pymysql as pymysql
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import requests
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from bs4 import BeautifulSoup
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import re
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from lxml import etree
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def getDB():
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'''连接数据库'''
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db = pymysql.connect(host='localhost',user='root',password='shengji.',database='douban',)
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return db
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def Agent_info():
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''' 用于保存cookies，url，user-agent信息'''
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headers = {
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'Cookie': 'douban-fav-remind=1; bid=LP2o54Mcp34; ll="118268"; ap_v=0,6.0',
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'Host':'movie.douban.com',
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'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36 Edg/111.0.1661.62'
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}
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return headers
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#获取电影详情url地址列表和外国电影名字
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def get_url(url):
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print('抓取网址：',url)
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headers = Agent_info()
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request = requests.get(url,headers=headers)
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soup = BeautifulSoup(request.text,'lxml')
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pic = soup.find_all(attrs={'class':'pic'})
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film_urls = [] #电影详情url地址列表
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for x in pic:
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href = x.a.get('href')
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film_urls.append(href)
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movie_list = [] #外国电影名字
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div_list = soup.find_all('div',class_='hd')
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for each in div_list:
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movie = each.a.contents[3].text.strip()
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movie = movie[2:]
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movie_list.append(movie)
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return film_urls,movie_list
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#获取电影信息
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def get_url_info(film_url,film_name_en,id):
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print('抓取网址：',film_url)
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headers = Agent_info()
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request = requests.get(film_url, headers=headers)
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soup = BeautifulSoup(request.text, 'lxml')
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#排名
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ranks = soup.find(attrs={'class':"top250-no"}).text.split(".")[1]
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#电影中文名
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film_name = soup.find(attrs={'property':'v:itemreviewed'}).text.split(' ')[0]
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#导演
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director = soup.find(attrs={'id':"info"}).text.split('\n')[1].split(':')[1].strip()
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#编剧
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scriptwriter = soup.find(attrs={'id':"info"}).text.split('\n')[2].split(':')[1].strip()
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#主演
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actor = soup.find(attrs={'id':"info"}).text.split('\n')[3].split(':')[1].strip()
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# 类型
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filmtype = soup.find(attrs={'id': "info"}).text.split('\n')[4].split(':')[1].strip()
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# 片长
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runtime = soup.find(attrs={'property': "v:runtime"}).text
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# 评分(平均分)
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rating_num = soup.find(attrs={'property': "v:average"}).text
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# 五星评分比例
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stars5_rating_per = soup.find(attrs={'class': "rating_per"}).text
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# 评价人数
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rating_people = soup.find(attrs={'property': "v:votes"}).text
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# 剧情简介
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summary = soup.find(attrs={'property': "v:summary"}).text
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summary = pymysql.converters.escape_string(summary)
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sql = 'insert into movies(film_name,director,scriptwriter,actor,filmtype,area,language,initialrReleaseDate,ranks,runtime,rating_num,stars5_rating_per,rating_people,summary,film_name_en,links) values("{}","{}","{}","{}","{}","{}","{}","{}","{}","{}","{}","{}","{}","{}","{}","{}");'.format(film_name,director,scriptwriter,actor,filmtype,area,language,initialrReleaseDate,ranks,runtime,rating_num,stars5_rating_per,rating_people,summary,film_name_en,film_url)
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db = getDB()
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try:
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cursor = db.cursor()
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cursor.execute(sql)
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cursor.execute('insert into moviehash(movieid) values("{}")'.format(id))
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db.commit()
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except Exception as e:
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print(e)
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db.rollback()
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cursor.close()
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db.close()
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if __name__ == '__main__':
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print('开始抓取')
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db = getDB()
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cursor = db.cursor()
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for i in range(0,50,25):
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film_urls, movie_list = get_url("https://movie.douban.com/top250?start="+str(i)+"&filter=")
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for film_url in range(len(film_urls)):
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id = re.search('\d\d+',film_urls[film_url]).group()
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sql = 'select movieid from moviehash where movieid = {}'.format(id)
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cursor.execute(sql)
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data = cursor.fetchall()
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if not data:
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get_url_info(film_urls[film_url],movie_list[film_url],id)
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