Python による Sina Weibo API プロジェクトの呼び出しの実践

accessWeibo

# -*- coding: utf-8 -*- 
#/usr/bin/env python 

#access to SinaWeibo By sinaweibopy 
#实现微博自动登录，token自动生成，保存及更新 
#适合于后端服务调用 


from weibo import APIClient 
import pymongo 
import sys, os, urllib, urllib2 
from http_helper import * 
from retry import * 
try: 
import json 
except ImportError: 
import simplejson as json 

# setting sys encoding to utf-8 
default_encoding = 'utf-8' 
if sys.getdefaultencoding() != default_encoding: 
reload(sys) 
sys.setdefaultencoding(default_encoding) 

# weibo api访问配置 
APP_KEY = '' # app key 
APP_SECRET = '' # app secret 
REDIRECT_URL = 'https://api.weibo.com/oauth2/default.html' # callback url 授权回调页,与OAuth2.0 授权设置的一致 
USERID = '' # 登陆的微博用户名，必须是OAuth2.0 设置的测试账号 
USERPASSWD = '' # 用户密码 


client = APIClient(app_key=APP_KEY, app_secret=APP_SECRET, redirect_uri=REDIRECT_URL) 

def make_access_token(): 
#请求access token 
params = urllib.urlencode({
'action':'submit',
'withOfficalFlag':'0',
'ticket':'',
'isLoginSina':'', 
'response_type':'code',
'regCallback':'',
'redirect_uri':REDIRECT_URL,
'client_id':APP_KEY,
'state':'',
'from':'',
'userId':USERID,
'passwd':USERPASSWD,
}) 

login_url = 'https://api.weibo.com/oauth2/authorize' 

url = client.get_authorize_url() 
content = urllib2.urlopen(url) 
if content: 
headers = { 'Referer' : url } 
request = urllib2.Request(login_url, params, headers) 
opener = get_opener(False) 
urllib2.install_opener(opener) 
try: 
f = opener.open(request) 
return_redirect_uri = f.url 
except urllib2.HTTPError, e: 
return_redirect_uri = e.geturl() 
# 取到返回的code 
code = return_redirect_uri.split('=')[1] 
#得到token 
token = client.request_access_token(code,REDIRECT_URL) 
save_access_token(token) 

def save_access_token(token): 
#将access token保存到MongoDB数据库
mongoCon=pymongo.Connection(host="127.0.0.1",port=27017)
db= mongoCon.weibo

t={
"access_token":token['access_token'],
"expires_in":str(token['expires_in']),
"date":time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
}
db.token.insert(t,safe=True) 

#Decorator 目的是当调用make_access_token()后再执行一次apply_access_token()
@retry(1) 
def apply_access_token(): 
#从MongoDB读取及设置access token 
try: 

mongoCon=pymongo.Connection(host="127.0.0.1",port=27017)
db= mongoCon.weibo
if db.token.count()>0:
tokenInfos=db.token.find().sort([("_id",pymongo.DESCENDING)]).limit(1)
else: 
make_access_token() 
return False 

for tokenInfo in tokenInfos:
access_token=tokenInfo["access_token"]
expires_in=tokenInfo["expires_in"]

try: 
client.set_access_token(access_token, expires_in) 
except StandardError, e: 
if hasattr(e, 'error'): 
if e.error == 'expired_token': 
# token过期重新生成 
make_access_token()
return False 
else: 
pass 
except: 
make_access_token()
return False 

return True 

if __name__ == "__main__": 
apply_access_token() 

# 以下为访问微博api的应用逻辑 
# 以发布文字微博接口为例
client.statuses.update.post(status='Test OAuth 2.0 Send a Weibo!')