爬虫电影天堂

本文链接： https://blog.csdn.net/TylerPY/article/details/101422313
来张图片压压惊！！！1
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爬取电影天堂的电影信息。
from lxml import etree
import requests
BASE = 'https://www.dytt8.net'
HEADERS = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36',
    'Referer': 'https://www.dytt8.net/html/gndy/dyzz/list_23_2.html'
}

def get_urls(url):
    response = requests.get(url,headers=HEADERS) #获取网页
    text = response.text #解码后是str类型
    html = etree.HTML(text)
    table_urls = html.xpath("//table[@class='tbspan']//a/@href")
    table_urls = map(lambda url: BASE + url,table_urls)#使用lambda表达式进行网址链接
    return table_urls

def parse_page(url):
    movie = {}
    response = requests.get(url,headers=HEADERS)
    text = response.content.decode('gbk')
    html = etree.HTML(text)
    title = html.xpath("//div[@class='title_all']//font[@color='#07519a']//text()")[0]     #获取标签下的所有文本
    # print(title)
    movie['title'] = title
    zoomA = html.xpath('//div[@id="Zoom"]')[0] 
    imgs = zoomA.xpath(".//img/@src")
    # print(imgs)
    cover = imgs[0]   #获取海报 
    # print(cover)
    #screenshot = imgs[1] #获取截屏

    movie['cover'] = cover
    #movie['screenshot'] = screenshot

    def parse_info(info,rule):
        return info.replace(rule,"").strip()   #用strip()函数将字段两边的空格去掉   replace()函数将年代下面的字段替换成空

    infos = zoomA.xpath(".//text()")   #获取当前下的所有文本

    for index,info in enumerate(infos):   #enumerate() 函数用于将一个可遍历的数据对象(如列表、元组或字符串)组合为一个索引序列，返回索引和数据
        # print(index)
        # print(info)
        # print("="*10)
        if info.startswith("◎年　　代"):   #字段的起始位置◎年　　代
            info=parse_info(info,"◎年　　代")
            # print(info)
            movie['year'] = info
        elif info.startswith("◎产　　地"):
            info=parse_info(info,"◎产　　地")
            movie['country'] = info
        elif info.startswith("◎类　　别"):
            info=parse_info(info,"◎类　　别")
            movie['category'] = info
        elif info.startswith("◎豆瓣评分"):
            info=parse_info(info,"◎豆瓣评分")
            movie['douban_rating'] = info
        elif info.startswith("◎片　　长"):
            info=parse_info(info,"◎片　　长")
            movie['duration'] = info
        elif info.startswith("◎导　　演"):
            info=parse_info(info,"◎导　　演")
            movie['director'] = info
        elif info.startswith("◎主　　演"):
            info=parse_info(info,"◎主　　演")
            actors = [info]  #先将上面的主演的第一个放到 actors
            for i in range(index+1,len(infos)):
                actor = infos[i].strip() #遍历所有的主演  去掉两边的空格
                # print(actor)
                if actor.startswith("◎"): # 取到这就终止
                    break
                actors.append(actor)
            movie["actors"] = actors
        elif info.startswith("◎简　　介"):
            info=parse_info(info,"◎简　　介")
            for x in range(index+1,len(infos)):
                profile = infos[x].strip()
                movie["profile"]=profile
    download_url = html.xpath('//td[@bgcolor="#fdfddf"]/a/@href')[0]
    # print(download_url)
    movie["download_url"] = download_url  
    return movie
    

def spider():
    base_url = "https://www.dytt8.net/html/gndy/dyzz/list_23_{}.html"
    movies = []
    for i in range(1,8): #获取前 7 页的页面
        url = base_url.format(i) #每个页面的所有电影网址
        tables = get_urls(url)
        for table in tables:   #具体的电影网址
            movie = parse_page(table)
            movies.append(movie)
            # print(movie)
            with open('D:/pachong/天堂movie.json','w',encoding='utf-8') as f:
                for i in movies:
                    ii = str(i) + '\n'
                    f.write(ii)
        print("下载完成")
                
if __name__ == "__main__":
    spider()
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爬虫 电影天堂

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