python网页请求urllib2模块简单封装代码
时间:2021-07-31 02:03:55
对python网页请求模块urllib2进行简单的封装。
例子:
#!/usr/bin/python
#coding: utf-8
import base64
import urllib
import urllib2
import time
class SendRequest:
'''
This class use to set and request the http, and get the info of response.
e.g. set Authorization Type, request tyep..
e.g. get html content, state code, cookie..
SendRequest('http://10.75.0.103:8850/2/photos/square/type.json',
data='source=216274069', type='POST', auth='base',
user='zl2010', password='111111')
'''
def __init__(self, url, data=None, type='GET', auth=None, user=None, password=None, cookie = None, **header):
'''
url:request, raise error if none
date: data for post or get, must be dict type
type: GET, POST
auth: option, if has the value must be 'base' or 'cookie'
user: user for auth
password: password for auth
cookie: if request with cookie
other header info:
e.g. referer='www.sina.com.cn'
'''
self.url = url
self.data = data
self.type = type
self.auth = auth
self.user = user
self.password = password
self.cookie = cookie
if 'referer' in header:
self.referer = header[referer]
else:
self.referer = None
if 'user-agent' in header:
self.user_agent = header[user-agent]
else:
self.user_agent = None
self.setup_request()
self.send_request()
def setup_request(self):
'''
setup a request
'''
if self.url == None or self.url == '':
raise 'The url should not empty!'
# set request type
#print self.url
#print self.type
#print self.data
#print self.auth
#print self.user
#print self.password
if self.type == 'POST':
self.Req = urllib2.Request(self.url, self.data)
elif self.type == 'GET':
if self.data == None:
self.Req = urllib2.Request(self.url)
else:
self.Req = urllib2.Request(self.url + '?' + self.data)
else:
print 'The http request type NOT support now!'
##set auth type
if self.auth == 'base':
if self.user == None or self.password == None:
raise 'The user or password was not given!'
else:
auth_info = base64.encodestring(self.user + ':' + self.password).replace('\n','')
auth_info = 'Basic ' + auth_info
#print auth_info
self.Req.add_header("Authorization", auth_info)
elif self.auth == 'cookie':
if self.cookie == None:
raise 'The cookie was not given!'
else:
self.Req.add_header("Cookie", self.cookie)
else:
pass ##add other auth type here
##set other header info
if self.referer:
self.Req.add_header('referer', self.referer)
if self.user_agent:
self.Req.add_header('user-agent', self.user_agent)
def send_request(self):
'''
send a request
'''
# get a response object
try:
self.Res = urllib2.urlopen(self.Req)
self.source = self.Res.read()
self.goal_url = self.Res.geturl()
self.code = self.Res.getcode()
self.head_dict = self.Res.info().dict
self.Res.close()
except urllib2.HTTPError, e:
self.code = e.code
print e
def get_code(self):
return self.code
def get_url(self):
return self.goal_url
def get_source(self):
return self.source
def get_header_info(self):
return self.head_dict
def get_cookie(self):
if 'set-cookie' in self.head_dict:
return self.head_dict['set-cookie']
else:
return None
def get_content_type(self):
if 'content-type' in self.head_dict:
return self.head_dict['content-type']
else:
return None
def get_expires_time(self):
if 'expires' in self.head_dict:
return self.head_dict['expires']
else:
return None
def get_server_name(self):
if 'server' in self.head_dict:
return self.head_dict['server']
else:
return None
def __del__(self):
pass
__all__ = [SendRequest,]
if __name__ == '__main__':
'''
The example for using the SendRequest class
'''
value = {'source':'216274069'}
data = urllib.urlencode(value)
url = 'http://10.75.0.103:8850/2/photos/square/type.json'
user = 'wz_0001'
password = '111111'
auth = 'base'
type = 'POST'
t2 = time.time()
rs = SendRequest('http://www.google.com')
#rs = SendRequest(url, data=data, type=type, auth=auth, user=user, password=password)
print 't2: ' + str(time.time() - t2)
print '---------------get_code()---------------'
print rs.get_code()
print '---------------get_url()---------------'
print rs.get_url()
print '---------------get_source()---------------'
print rs.get_source()
print '---------------get_cookie()---------------'
print rs.get_cookie()
rs = None
![](/images/zang.png)
![](/images/jiucuo.png)
猜你喜欢
text-overflow实现标题省略号功能
PHP const定义常量及global定义全局常量实例解析
Python安装Graphviz 超详细图文教程
![](https://img.aspxhome.com/file/2023/1/75891_0s.jpg)
Oracle中时间日期转化函数to_date和to_char的具体使用
Python 如何解决稀疏矩阵运算
![](https://img.aspxhome.com/file/2023/0/94600_0s.png)
走中国特色的网站重构道路
Python版的文曲星猜数字游戏代码
python编程之requests在网络请求中添加cookies参数方法详解
pyqt5移动鼠标显示坐标的方法
Python实现多线程下载文件的代码实例
Django自定义权限及用户分组
Python3压缩和解压缩实现代码
js弹出新窗口而不会被浏览器阻止的方法
说说tab设计
![](https://img.aspxhome.com/file/UploadPic/20097/26/tab-yahoo-63s.jpg)
Python利用 SVM 算法实现识别手写数字
![](https://img.aspxhome.com/file/2023/2/85142_0s.png)
教你利用python如何读取txt中的数据
![](https://img.aspxhome.com/file/2023/0/66420_0s.png)
Python实现消消乐小游戏
![](https://img.aspxhome.com/file/2023/5/90585_0s.jpg)
Python decorator拦截器代码实例解析
php实现微信公众号主动推送消息
Django csrf校验的实现
![](https://img.aspxhome.com/file/2023/9/72929_0s.png)