SoulBook/soulbook/fetcher/novels_factory/baidu_novels.py
2024-08-01 19:38:07 +08:00

118 lines
4.1 KiB
Python

#!/usr/bin/env python
"""
Created by howie.hu at 2018/5/28.
"""
import aiohttp
import asyncio
import async_timeout
from aiocache.serializers import PickleSerializer
from bs4 import BeautifulSoup
from urllib.parse import urlparse
from soulbook.fetcher.decorators import cached
from soulbook.fetcher.function import get_random_user_agent
from soulbook.fetcher.novels_factory.base_novels import BaseNovels
class BaiduNovels(BaseNovels):
def __init__(self):
super(BaiduNovels, self).__init__()
async def data_extraction(self, html):
"""
小说信息抓取函数
:return:
"""
try:
url = html.select('h3.t a')[0].get('href', None)
real_url = await self.get_real_url(url=url) if url else None
if real_url:
real_str_url = str(real_url)
netloc = urlparse(real_str_url).netloc
if "http://" + netloc + "/" == real_str_url:
return None
if 'baidu' in real_str_url or netloc in self.black_domain:
return None
is_parse = 1 if netloc in self.rules.keys() else 0
title = html.select('h3.t a')[0].get_text()
is_recommend = 1 if netloc in self.latest_rules.keys() else 0
# time = re.findall(r'\d+-\d+-\d+', source)
# time = time[0] if time else None
timestamp = 0
time = ""
return {'title': title, 'url': real_str_url.replace('index.html', ''), 'time': time,
'is_parse': is_parse,
'is_recommend': is_recommend,
'timestamp': timestamp,
'netloc': netloc}
else:
return None
except Exception as e:
self.logger.exception(e)
return None
async def get_real_url(self, url):
"""
获取百度搜索结果真实url
:param url:
:return:
"""
with async_timeout.timeout(5):
try:
async with aiohttp.ClientSession() as client:
headers = {'user-agent': await get_random_user_agent()}
async with client.head(url, headers=headers, allow_redirects=True) as response:
self.logger.info('Parse url: {}'.format(response.url))
url = response.url if response.url else None
return url
except Exception as e:
self.logger.exception(e)
return None
async def novels_search(self, novels_name):
"""
小说搜索入口函数
:return:
"""
url = self.config.URL_PC
params = {'wd': novels_name, 'ie': 'utf-8', 'rn': self.config.BAIDU_RN, 'vf_bl': 1}
headers = {'user-agent': await get_random_user_agent()}
html = await self.fetch_url(url=url, params=params, headers=headers)
if html:
soup = BeautifulSoup(html, 'html5lib')
result = soup.find_all(class_='result')
extra_tasks = [self.data_extraction(html=i) for i in result]
tasks = [asyncio.ensure_future(i) for i in extra_tasks]
done_list, pending_list = await asyncio.wait(tasks)
res = [task.result() for task in done_list if task.result()]
return res
else:
return []
@cached(ttl=259200, key_from_attr='novels_name', serializer=PickleSerializer(), namespace="novels_name")
async def start(novels_name):
"""
Start spider
:return:
"""
return await BaiduNovels.start(novels_name)
if __name__ == '__main__':
# Start
import aiocache
REDIS_DICT = {}
aiocache.settings.set_defaults(
class_="aiocache.RedisCache",
endpoint=REDIS_DICT.get('REDIS_ENDPOINT', 'localhost'),
port=REDIS_DICT.get('REDIS_PORT', 6379),
db=REDIS_DICT.get('CACHE_DB', 0),
password=REDIS_DICT.get('REDIS_PASSWORD', None),
)
res = asyncio.get_event_loop().run_until_complete(start('intitle:雪中悍刀行 小说 阅读'))
print(res)