获取全部校园新闻的总页数

import re
import requests
from bs4 import BeautifulSoup
from datetime import datetime

def writeNewsDetail(content):
    f=open('gzccNews.txt','a',encoding='utf-8')
    f.write(content)
    f.close()

def getClickCount(newsUrl):
    newsId = re.findall('\_(.*).html', newsUrl)[0].split('/')[1]
    clickUrl = 'http://oa.gzcc.cn/api.php?op=count&id=9024&modelid=80'.format(newsId)

    return(int(requests.get(clickUrl).text.split('.html')[-1].lstrip("('").rstrip("');")))

def getNewsDetail(newsUrl):
    resd = requests.get(newsUrl)
    resd.encoding = 'utf-8'
    soupd = BeautifulSoup(resd.text, 'html.parser')

    news={}
    news['title'] = soupd.select('.show-title')[0].text
    info = soupd.select('.show-info')[0].text
    news['dt'] = datetime.strftime(info.lstrip('发布时间:')[:19],'%Y-%m-%d %H:%M:%S')
    if info.find('来源:')>0:
        news['source']=info[info.find('来源:'):].split()[0].lstrip('来源：')
    else:
        news['source']='none'
    news['content']=soupd.select('.show-content')[0].text.strip()
    writeNewsDetail(news['content'])
    news['click']=getClickCount(newsUrl)
    news['newsUrl']=newsUrl
    print(news)
    return (news)



def getListPage(pageUrl):
    res=requests.get(pageUrl)
    res.encoding='utf-8'
    soup=BeautifulSoup(res.text,'html.parser')

    newsList=[]
    for news in soup.select('li'):
        if len(news.select('.new-list-title'))>0:
            newsUrl=news.select('a')[0].attrs['href']
            newsList.append(getNewsDetail(newsUrl))
     return (newsList)


def getPageN():  # 新闻列表页的总页数
    res = requests.get('http://news.gzcc.cn/html/xiaoyuanxinwen/')
    res.encoding = 'utf-8'
    soup = BeautifulSoup(res.text, 'html.parser')
    n = int(soup.select('.a1')[0].text.rstrip('条'))
    return (n // 10 + 1)

newsTotal=[]
firstPageUrl='http://news.gzcc.cn/html/xiaoyuanxinwen/'
newsTotal.extend(getListPage(firstPageUrl))
n = getPageN()
for i in range(n, n+1):
    listPageUrl = 'http://news.gzcc.cn/html/xiaoyuanxinwen/{}.html'.format(i)
    newsTotal.extend(getListPage(listPageUrl))

 print(newsTotal)