爬取校园新闻首页的新闻

import requests
from bs4 import BeautifulSoup
from datetime import datetime

url = "http://news.gzcc.cn/html/xiaoyuanxinwen/"
res = requests.get(url)
res.encoding = 'utf-8'
soup = BeautifulSoup(res.text, 'html.parser')
a = soup.select('li')

for news in a:
if len(news.select('.news-list-title'))>0:
t = news.select('.news-list-title')[0].text
dt = news.select('.news-list-info')[0].contents[0]
dd = news.select('.news-list-info')[0].contents[1].text
a1 = news.select('a')[0].attrs['href']
res1 = requests.get(a1)
res1.encoding = 'utf-8'
soup1 = BeautifulSoup(res1.text, 'html.parser')
content = soup1.select("#content")[0].text
about = soup1.select('.show-info')[0].text
time = about.lstrip('发布时间:')[:19]
s = datetime.strftime(time,'%Y-%m-%d %H:%M:S%')
now = datetime.now()
type(now)
now.strftime('%Y-%m-%d %H:%M:S%')
if about.find('来源：')>0:
origin = about[about.find('来源：'):].split()[0].lstrip('来源：')
if about.find('作者：')>0:
writer = about[about.find('作者：'):].split()[0].lstrip('作者：')
if about.find('摄影：')>0:
photograph = about[about.find('摄影：'):].split()[0].lstrip('摄影：')
print(t,dt,dd,a1,now,origin,writer,photograph)
str = '2018-03-30 17:10:12 '
datetime.strptime(str,'%Y-%m-%d %H:%M:%S ')
print(' ',str)