[python 爬虫]抓取猫眼电影排行top100

def get_one_page(url):
    headers = {'user-agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36'}
    response = requests.get(url,headers = headers)
    if(response.status_code == 200):
        return response.text
    return None



def parse_one_page(html):
    pattern = re.compile('
.*?"board-index.*?>(.*?).*?title="(.*?)".*?data-src="(.*?)".*?"star">(.*?)
.*?"releasetime">(.*?)
.*?integer">(.*?).*?fraction">(.*?)
.*?
',re.S)
    items = re.findall(pattern,html)
    for item in items:
        yield {
            'index':item[0],
            'image': item[2],
            'title': item[1].strip(),
            'actor': item[3].strip(),
            'time': item[4].strip(),
            'score': item[5].strip()+item[6].strip(),
        }

def write_to_file(content):
    with open('result.txt','a',encoding='utf-8')as f:
        print(type(json.dumps(content)))
        f.write(json.dumps(content,ensure_ascii=False)+'\n')


def main(offset):
    url = 'http://maoyan.com/board/4?offset='+str(offset)
    html = get_one_page(url)
    # print(html)
    for item in parse_one_page(html):
        write_to_file(item)

if __name__ == '__main__':
    for i in range(10):
        main(offset=i*10)