标签:open roc url lis find try int log ret
# coding:utf8
import requests, re, json
from requests.exceptions import RequestException
# from multiprocessing import Pool
# 获取页面
def get_one_page(url):
try:
resp = requests.get(url)
if resp.status_code == requests.codes.ok:
return resp.text
else:
return None
except RequestException:
return None
# 页面解析
def parse_one_page(html):
pattern = re.compile('<dd>.*?board-index.*?>(\\d+)</i>.*?data-src="(.*?)"'
'.*?name"><a.*?">(.*?)</a>.*?star">(.*?)</p>.*?releasetime">(.*?)</p>'
'.*?</dd>', re.S)
items = re.findall(pattern, html) # result is a list,made up of tuples
for item in items:
# 生成字典
yield {
'index': item[0],
'img_url': item[1],
'title': item[2],
'stars': item[3][3:],
'releasetime': item[4],
}
# 将爬取到的内容写入到文件中
def write_file(content):
with open('content.txt', 'a', encoding='utf-8') as f:
str_content = json.dumps(content, ensure_ascii=False) # 转换成字符串
f.write(str_content + '\n')
f.close()
# 主函数
def main(offset):
url = "https://maoyan.com/board/6/?offset=" + str(offset)
html = get_one_page(url)
for item in parse_one_page(html):
write_file(item)
print(item)
if __name__ == "__main__":
# 请求4次
for i in range(5):
main(i * 10)
requests库爬取猫眼电影“最受期待榜”榜单 --网络爬虫
标签:open roc url lis find try int log ret
原文地址:https://www.cnblogs.com/qikeyishu/p/10758081.html