spider_schook.py

#!/usr/bin/env Python
# coding=utf-8

# import sys
# reload(sys)
# sys.setdefaultencoding('gbk')

try:
 import urllib2
 import urllib
 from urllib2 import URLError as URLError
 from urllib2 import HTTPError as HTTPError
 from urllib import urlretrieve
 range = xrange
except ImportError:
 import urllib.request as urllib2
 from urllib.error import URLError as URLError
 from urllib.error import HTTPError as HTTPError
 from urllib.parse import quote
 from urllib.request import urlretrieve
import re
import os
import socket
import logging
import csv
#encoding=utf8


# 设置超时时间
socket.setdefaulttimeout(30)

# 设置日志级别、格式和日期时间
logging.basicConfig(level=logging.INFO,
 format='%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s',
 datefmt='%a, %d %b %Y %H:%M:%S',
 filename='mz_teacher_spider.log',
 filemode='w')

print('开始抓取...')
url = 'http://www.fengup.com/news/60904.html'
user_agent = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.93 Safari/537.36'
headers = {'User-Agent': user_agent}
try:
 # 设置request对象，里面包含访问的地址和头部信息
 request = urllib2.Request(url=url, headers=headers)
 # 为避免网络访问缓慢问题导致程序运行设置超时时间
 response = urllib2.urlopen(request, timeout=3)
 html = response.read()
 content =html
except urllib2.URLError as e:
 # 写异常日志
 logging.info('该地址不能访问(' + str(e) + ')：' + url)
except urllib2.HTTPError as e:
 # 写异常日志
 logging.info('该地址访问出错(' + str(e) + ')：' + url)

except socket.timeout:
 # 写异常日志
 logging.info('该地址访问超时：' + url)


# 通过正则表达式去分析获取想要提取的数据
# regex = re.compile(
# '<li class="t3out">.*?<img.*?src="(.*?)">.*?<p class="font20 color00 marginB14 t3out p">(.*?)<a.*?<p class="color66">.*?</span>(.*?)</p>.*?</div>.*?</li>',
# re.S)

#

# <tr>
# <td>10001</td>
# <td>北京大学</td>
# <td>11</td>
# <td>11</td>
# <td>普通高等学校:本科院校:大学</td>
# <td>01</td>
# <td>综合院校</td>
# </tr>

regex = re.compile(
 '<tr>.*?<td>(.*?)</td>.*?<td>(.*?)</td>.*?<td>(.*?)</td>.*?<td>(.*?)</td>.*?<td>(.*?)</td>.*?<td>(.*?)</td>.*?<td>(.*?)</td>.*?</tr>',
 re.S)

all_items = re.findall(regex, content)
#
# out = open('school.csv','a')
# csv_write = csv.writer(out,dialect='excel')


for items in all_items:
 for item in items:
 print(item.decode('gbk'))
 # csv_write.writerow(items)

print ("write over")

# print(items)


 # 保存到文件&保存头像
 # save_path = 'teachers'

 # 如果目录不存在，则创建对应的目录
 # if not os.path.exists(save_path):
 # # 注意是makedirs，不是mkdir方法，后者只能创建单个目录
 # os.makedirs(save_path)
 # if not os.path.exists(avatar_path):
 # os.makedirs(avatar_path)
 # for item in items:
 # save_str += item[1] + '\n' + item[2] + '\n'
 # # 保存头像
 # avatar_url = 'http://www.maiziedu.com' + item[0]
 # print '正在保存：' + avatar_url
 # avatar_name = item[0].split('/')[-1]
 # try:
 # urllib.urlretrieve(avatar_url, unicode(avatar_path + avatar_name, 'utf-8'))
 # except socket.timeout:
 # logging.info('该文件下载超时：' + avatar_url)
 # continue
 # with open(save_path + '/data.txt', 'a') as f:
 # f.write(save_str)
print('抓取结束...')