From cb97e3414b9a15912dea6ea6952a80c9a4add4f9 Mon Sep 17 00:00:00 2001
From: bebound <bebound@gmail.com>
Date: Thu, 17 Apr 2014 11:36:55 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E8=B6=85=E6=97=B6=E8=87=AA?=
 =?UTF-8?q?=E5=8A=A8=E9=87=8D=E6=96=B0=E7=99=BB=E5=BD=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md   | 2 +-
 __init__.py | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index c236475..9703c9d 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ Microsoft(Bing) translate API for python3
 
 ----------
 
-###Install
+###Installation
 
 	pip install mstranslate
 
diff --git a/__init__.py b/__init__.py
index 6a3006f..4225c82 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,5 +1,6 @@
 import json
 import re
+import time
 import requests
 
 
@@ -35,9 +36,12 @@ def accessToken(self):
             raise AuthenticationFailed(result['error_description'])
         else:
             self.access_token = result['access_token']
+            self.time = time.time()
 
     def translate(self, text, toLang, fromLang=None):
-        if not self.access_token:
+        if (not self.access_token):
+            self.accessToken()
+        elif int(time.time() - self.time) > 550:
             self.accessToken()
         authToken = 'Bearer ' + self.access_token
         headers = {'Authorization': authToken}
@@ -45,7 +49,7 @@ def translate(self, text, toLang, fromLang=None):
         result = requests.get('http://api.microsofttranslator.com/v2/Http.svc/Translate', params=params,
                               headers=headers)
         if 'Argument Exception' in result.text:
-            error=re.search(r'<p>Message:(.*?)</p>',result.text.replace('\n','')).group(1)
+            error = re.search(r'<p>Message:(.*?)</p>', result.text.replace('\n', '')).group(1)
             raise ArgumentException(error)
         else:
             return result.text[68:-9]