python之httplib模块

httplib模块是一个底层基础模块,实现的功能比较少,正常情况下比较少用到.推荐用urllib, urllib2, httplib2.
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HTTPConnection 对象

class httplib.HTTPConnection(host[, port[, strict[, timeout[, source_address]]]])
创建HTTPConnection对象

HTTPConnection.request(method, url[, body[, headers]])
发送请求

HTTPConnection.getresponse()
获得响应

HTTPResponse对象

HTTPResponse.read([amt])
Reads and returns the response body, or up to the next amt bytes.

HTTPResponse.getheader(name[, default])
获得指定头信息

HTTPResponse.getheaders()
获得(header, value)元组的列表

HTTPResponse.fileno()
获得底层socket文件描述符

HTTPResponse.msg
获得头内容

HTTPResponse.version
获得头http版本

HTTPResponse.status
获得返回状态码

HTTPResponse.reason
获得返回说明

实例

#!/usr/bin/python
import httplib

conn = httplib.HTTPConnection("www.csdn.net")
conn.request("GET", "/")
r1 = conn.getresponse()

print r1.status, r1.reason
print ‘-‘ * 40

headers = r1.getheaders()
for h in headers:
    print h
print ‘-‘ * 40

print r1.msg

输出:

200 OK
----------------------------------------
(‘content-length‘, ‘106883‘)
(‘accept-ranges‘, ‘bytes‘)
(‘vary‘, ‘Accept-Encoding, Accept-Encoding‘)
(‘keep-alive‘, ‘timeout=20‘)
(‘server‘, ‘ngx_openresty‘)
(‘last-modified‘, ‘Fri, 10 Apr 2015 09:30:10 GMT‘)
(‘connection‘, ‘keep-alive‘)
(‘etag‘, ‘"55279822-1a183"‘)
(‘date‘, ‘Fri, 10 Apr 2015 09:48:15 GMT‘)
(‘content-type‘, ‘text/html; charset=utf-8‘)
----------------------------------------
Server: ngx_openresty
Date: Fri, 10 Apr 2015 09:48:15 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 106883
Connection: keep-alive
Keep-Alive: timeout=20
Vary: Accept-Encoding
Last-Modified: Fri, 10 Apr 2015 09:30:10 GMT
Vary: Accept-Encoding
ETag: "55279822-1a183"
Accept-Ranges: bytes