未完待续

第一次写与API有关的东西，算是一边练习Python及GAE，一边练习API接口的相关的操作。这是我做的一个利用GAE同步更新饭否与 TWITTER的DEMO，不保存帐户信息，每次需要手工填入用户名密码，再加入数据库存储等相应辅助模块即可做出与HelloTxt、Ping.fm类似的应用。

#!/usr/bin/env python
#coding:utf-8 
 
import wsgiref.handlers
import urllib
import base64
from google.appengine.api import urlfetch
from google.appengine.ext import webapp
 
class MainPage(webapp.RequestHandler):
 
  def get(self):
    #self.response.headers['Content-Type'] = 'text/plain'
    self.response.headers.add_header("Expires", "Thu, 01 Dec 1994 16:00:00 GMT")
    header(self)
    self.response.out.write('''<div id="letter">
          <form action="/sign" method="post">
          <div>Twitter username:<input type="text" name="tusername" id="username" value="" />
          password:<input type="text" name="tpassword" id="password" value="" /></div>
          <div>Fanfou username:<input type="text" name="fu" id="username2" value="" />
          password:<input type="text" name="fp" id="password2" value="" /></div>
            <div><textarea name="content" rows="3" cols="60"></textarea></div>
            <div><input type="submit" value="Post"></div>
          </form></div>
          ''')
    footer(self)
 
class PostPage(webapp.RequestHandler):
  def post(self):
    header(self)
    msg = self.request.get('content')
    page_msg=msg
    msg = msg.encode('utf8')
    tu = self.request.get('tusername')
    tp = self.request.get('tpassword')
    fu = self.request.get('fu')
    fp = self.request.get('fp')
    #update(tu,tp,'twitter',msg)
    #update(fu,fp,'fanfou',msg)
    self.response.out.write('''<div id="letter">''')
    if update(tu,tp,'twitter',msg)==True:
      self.response.out.write('''
          <p>Twitter Post Susscessful</p>
          ''')
    else:
      self.response.out.write('''
          <p>Twitter Post Faild</p>
          ''')
    if update(fu,fp,'fanfou',msg)==True:
      self.response.out.write('''
          <p>Fanfou Post Susscessful</p>
          ''')
    else:
      self.response.out.write('''
          <p>Fanfou Post Faild</p>
          ''')
 
    self.response.out.write('''
          <p><a href="/" >Back</></p></div>
          ''')
    footer(self)
    #self.redirect('/')
 
def header(self):
  self.response.out.write('''<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"/>
<link type="text/css" rel="stylesheet" href="./styles/main.css" media="screen" />
<title>Hello,World</title>
</head>
<body>''')
 
def footer(self):
  self.response.out.write('''
<div id="footer"><p><img src="http://code.google.com/appengine/images/appengine-silver-120x30.gif" 
alt="Powered by Google App Engine" /></p><p>Powered by <a href="http://ioio.name/">IoIo.NaMe</a></p></div>
</body>
</html>''')
 
def update(username,password,twitter,msg):
    authStr = username + ":" + password
    #self.response.out.write(authStr.encode("base64")[0:-1])
    if twitter=='twitter' :
      url='http://twitter.com/statuses/update.json'
    else:
      url='http://api.fanfou.com/statuses/update.json'
    #msg="Update by GAE.由GAE更新."
    form_fields = {"status":msg}
    form_data = urllib.urlencode(form_fields)
    #self.response.out.write(form_data)
    result = urlfetch.fetch(url=url,
                        payload=form_data,
                        method=urlfetch.POST,
                        headers={"Content-type": "application/x-www-form-urlencoded",
                "Accept": "text/xml",
                "Authorization": "Basic "+authStr.encode("base64")[0:-1]})
    if result.status_code == 200:
      return True
    else:
      return False
 
def main():
  application = webapp.WSGIApplication([('/', MainPage),
                                        ('/sign', PostPage)],
                                       debug=True)
  wsgiref.handlers.CGIHandler().run(application)
 
 
if __name__ == '__main__':
  main()

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#!/usr/bin/env python

#coding:utf-8

import wsgiref.handlers

import urllib

import base64

from google.appengine.api import urlfetch

from google.appengine.ext import webapp

class MainPage(webapp.RequestHandler):

def get(self):

#self.response.headers['Content-Type'] = 'text/plain'

self.response.headers.add_header("Expires", "Thu, 01 Dec 1994 16:00:00 GMT")

header(self)

self.response.out.write('''<div id="letter">

<div>Twitter username:<input type="text" name="tusername" id="username" value="" />

password:<input type="text" name="tpassword" id="password" value="" /></div>

<div>Fanfou username:<input type="text" name="fu" id="username2" value="" />

password:<input type="text" name="fp" id="password2" value="" /></div>

</form></div>

''')

footer(self)

class PostPage(webapp.RequestHandler):

def post(self):

header(self)

msg = self.request.get('content')

page_msg=msg

msg = msg.encode('utf8')

tu = self.request.get('tusername')

tp = self.request.get('tpassword')

fu = self.request.get('fu')

fp = self.request.get('fp')

#update(tu,tp,'twitter',msg)

#update(fu,fp,'fanfou',msg)

self.response.out.write('''<div id="letter">''')

if update(tu,tp,'twitter',msg)==True:

self.response.out.write('''

<p>Twitter Post Susscessful</p>

''')

else:

self.response.out.write('''

<p>Twitter Post Faild</p>

''')

if update(fu,fp,'fanfou',msg)==True:

self.response.out.write('''

<p>Fanfou Post Susscessful</p>

''')

else:

self.response.out.write('''

<p>Fanfou Post Faild</p>

''')

self.response.out.write('''

''')

footer(self)

#self.redirect('/')

def header(self):

self.response.out.write('''<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<head>

<title>Hello,World</title>

</head>

<body>''')

def footer(self):

self.response.out.write('''

<div id="footer"><p><img src="http://code.google.com/appengine/images/appengine-silver-120x30.gif"

alt="Powered by Google App Engine" /></p><p>Powered by <a href="http://ioio.name/">IoIo.NaMe</a></p></div>

</body>

</html>''')

def update(username,password,twitter,msg):

authStr = username + ":" + password

#self.response.out.write(authStr.encode("base64")[0:-1])

if twitter=='twitter' :

url='http://twitter.com/statuses/update.json'

else:

url='http://api.fanfou.com/statuses/update.json'

#msg="Update by GAE.由GAE更新."

form_fields = {"status":msg}

form_data = urllib.urlencode(form_fields)

#self.response.out.write(form_data)

result = urlfetch.fetch(url=url,

payload=form_data,

method=urlfetch.POST,

headers={"Content-type": "application/x-www-form-urlencoded",

"Accept": "text/xml",

"Authorization": "Basic "+authStr.encode("base64")[0:-1]})

if result.status_code == 200:

return True

else:

return False

def main():

application = webapp.WSGIApplication([('/', MainPage),

('/sign', PostPage)],

debug=True)

wsgiref.handlers.CGIHandler().run(application)

if __name__ == '__main__':

main()

-EOF-

获取本机IP和Port,远程IP和Port

# -*- coding: cp936 -*-
"""
使用socket获取更多的信息
getsocketname:获得本机的信息（IP和port）
getpeername：获得远程机器的信息（IP和port）
fileno：每一个socket对应一个fd，使用此方法可以获得fd，为一个整数
"""
import socket
s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
port = socket.getservbyname("http","tcp")
 
s.connect(("www.google.com",port))
print "Connect from",s.getsockname()
print "Connect to",s.getpeername()
print "file descriptor",s.fileno()
s.close()

# -*- coding: cp936 -*-

"""

使用socket获取更多的信息

getsocketname:获得本机的信息（IP和port）

getpeername：获得远程机器的信息（IP和port）

fileno：每一个socket对应一个fd，使用此方法可以获得fd，为一个整数

"""

import socket

s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)

port = socket.getservbyname("http","tcp")

s.connect(("www.google.com",port))

print "Connect from",s.getsockname()

print "Connect to",s.getpeername()

print "file descriptor",s.fileno()

s.close()

直接获取远程IP

import socket
socket.gethostbyname('google.com')

1 2	import socket socket.gethostbyname('google.com')

直接获取本地IP

import socket
socket.gethostbyname(socket.gethostname())
socket.gethostbyname_ex(socket.gethostname())

import socket

socket.gethostbyname(socket.gethostname())

socket.gethostbyname_ex(socket.gethostname())

-EOF-

To Be Continued

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