爬取猫眼电影

import json
import requests
from requests.exceptions import RequestException
import re
import time
def get_one_page(url):
try:
headers={
‘User-Agent’: ‘Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36’
}
response=requests.get(url,headers=headers)
if response.status_code == 200:
return response.text
return None
except RequestException:
return None
def parse_one_page(html):
pattern = re.compile(’

. ?board-index.?>(\d+). ?data-src="(.?)". ?name"> + '.?>(. ?).?star">(. ?)

.?releasetime">(. ?)’
+ '.?integer">(. ?).?fraction">(. ?).?’, re.S)
items = re.findall(pattern, html)
for item in items:
yield {
‘index’: item[0],
‘image’: item[1],
‘title’: item[2],
‘actor’: item[3].strip()[3:],
‘time’: item[4].strip()[5:],
‘score’: item[5] + item[6]
}
def write_to_file(content):
with open(‘result.txt’, ‘a’, encoding=‘utf-8’) as f:
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)
for item in parse_one_page(html):
print(item)
write_to_file(item)

if name == ‘main’:
for i in range(10):
main(offset=i * 10)
time.sleep(1)