Python爬蟲實現貓眼電影搜索

import requests
import time
from bs4 import BeautifulSoup
import re

movie=[]
def search(url):
    try:
        headers={'user-agent':'Mozilla/5.0'}
        r=requests.get(url,headers=headers)
        return r.text
    except:
        search(url)

def parse_page(url,k):
    html=search(url)
    sum_tmp=[]
    pattern1=re.compile('class="channel-detail movie-item-title" title="(.*?)">',re.S)
    movie_name=re.findall(pattern1,html)
    pattern2=re.compile('class="movie-item-cat">(.*?)</div>')
    movie_lb=re.findall(pattern2,html)
    pattern3=re.compile('class="movie-item-pub">(.*?)</div>')
    movie_time=re.findall(pattern3,html)
    if len(movie_name)==0:
        print('爬取結束')
        print('共'+str(len(movie))+'部')
        exit()
    for i in range(len(movie_name)):
        movie_tmp = []
        if movie_time[i] == '':
            movie_time[i]='暫無'
        movie_tmp.append(movie_name[i])
        movie_tmp.append(movie_lb[i])
        movie_tmp.append(movie_time[i])
        movie.append(movie_tmp)

    for i in range(k+1, len(movie) + 1):
        print('第' + str(i) + '部:')
        print('電影名稱：'+movie[i-1][0]+'  電影類型：'+movie[i-1][1]+'  上映時間：'+movie[i-1][2])
        print('----------------------------------------------------------------------------')




def main(k,sname,offset):
    url = 'https://maoyan.com/query?kw='+sname+'&type=0&offset='+str(offset)
    parse_page(url,k)


if __name__ == '__main__':
    sname=input("請輸入電影信息：")
    print('-----------------------------開始爬取---------------------------------')
    time.sleep(1)
    for i in range(20):
        k=i*20
        main(k,sname,offset=i*20)
        time.sleep(1)