HTTP Basic 验证HTTPBasicAuthHandler

以 fanfou api 为例说明. 有兴趣的可以做个功能完整的工具.

#!/usr/bin/python
# coding=utf-8

import urllib2
import xml.dom.minidom
import winsound
import time
import thread
import urllib

public_timeline_url = "http://api.fanfou.com/statuses/public_timeline.xml"
user_timeline_url = "http://api.fanfou.com/statuses/user_timeline.xml"
friends_timeline_url = "http://api.fanfou.com/statuses/friends_timeline.xml"
statuses_update_url = "http://api.fanfou.com/statuses/update.xml"


# friendship related
friendships_create_url = "http://api.fanfou.com/friendships/create.xml"
friendships_destroy_url = "http://api.fanfou.com/friendships/destroy.xml"

# block list
blocks_create_url = "http://api.fanfou.com/blocks/create.xml"
blocks_destroy_url = "http://api.fanfou.com/blocks/destroy.xml"

passwd_mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
passwd_mgr.add_password(realm=None,
                          uri='http://api.fanfou.com/',
                          user='xxxxxxx',
                          passwd='xxxxxxxxx') # 用户名和密码

auth_handler = urllib2.HTTPBasicAuthHandler(passwd_mgr)
opener = urllib2.build_opener(auth_handler)

last_id = ''


def parseDom(doc):
    sts = doc.getElementsByTagName('status')
    get_textValue = lambda tag: \
        (lambda d:d.getElementsByTagName(tag)[0].childNodes[0].data)
    create_time = get_textValue('created_at')
    id_str = get_textValue('id')
    text = get_textValue('text')
    username = get_textValue('name')
    return [(username(node), text(node), create_time(node), id_str(node))
                for node in sts][::-1]

def refresh():
    global last_id
    print last_id
    res = opener.open(friends_timeline_url)
    doc = xml.dom.minidom.parseString(res.read())
    posts = parseDom(doc)
    id_list = [ids for (_, _, _, ids) in posts]
    if last_id in id_list:
        id_list = id_list[id_list.index(last_id)+1:]
        winsound.MessageBeep(winsound.MB_ICONASTERISK)
    print 
    for (user, txt, tm, ids) in posts:
        print "{%s}: %s [%s]" % (user, txt, tm.split()[3])
    last_id = posts[-1][-1]
    print 'MyMsg:',

def refresh_thread(times=0, timeout=60):
    f = False
    if times== 0:
        f = True
    while f or times:
        refresh()
        time.sleep(timeout)
    
def post_statue(msg, reply=''):
    if not msg:
        return
    #msg = unicode(msg, 'gbk')
    data = {'status' : msg,
            'in_reply_to_status_id' : reply,
            'source' : 'ffsh'}
    data = urllib.urlencode(data)
    opener.open(statuses_update_url, data)
  

thread.start_new_thread(refresh_thread, (0,30))

while True:
    mymsg = raw_input('MyMsg: ')
    post_statue( mymsg )