Rewritten get_access_token.py to use requests-oauth

get_access_token.py now uses the requests oauth lib and no longer
depends on oauth2. This closes #151

Author: sebastianw

get_access_token.py

@@ -14,14 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# parse_qsl moved to urlparse module in v2.6
-try:
-    from urlparse import parse_qsl
-except:
-    from cgi import parse_qsl
-
 import webbrowser
-import oauth2 as oauth
+from requests_oauthlib import OAuth1Session
 
 REQUEST_TOKEN_URL = 'https://api.twitter.com/oauth/request_token'
 ACCESS_TOKEN_URL = 'https://api.twitter.com/oauth/access_token'
@@ -31,50 +25,48 @@
 
 def get_access_token(consumer_key, consumer_secret):
 
-    signature_method_hmac_sha1 = oauth.SignatureMethod_HMAC_SHA1()
-    oauth_consumer = oauth.Consumer(key=consumer_key, secret=consumer_secret)
-    oauth_client = oauth.Client(oauth_consumer)
+    oauth_client = OAuth1Session(consumer_key, client_secret=consumer_secret)
 
     print 'Requesting temp token from Twitter'
 
-    resp, content = oauth_client.request(REQUEST_TOKEN_URL, 'POST', body="oauth_callback=oob")
-
-    if resp['status'] != '200':
-        print 'Invalid respond from Twitter requesting temp token: %s' % resp['status']
-    else:
-        request_token = dict(parse_qsl(content))
-        url = '%s?oauth_token=%s' % (AUTHORIZATION_URL, request_token['oauth_token'])
-
-        print ''
-        print 'I will try to start a browser to visit the following Twitter page'
-        print 'if a browser will not start, copy the URL to your browser'
-        print 'and retrieve the pincode to be used'
-        print 'in the next step to obtaining an Authentication Token:'
-        print ''
-        print url
-        print ''
-
-        webbrowser.open(url)
-        pincode = raw_input('Pincode? ')
-
-        token = oauth.Token(request_token['oauth_token'], request_token['oauth_token_secret'])
-        token.set_verifier(pincode)
-
-        print ''
-        print 'Generating and signing request for an access token'
-        print ''
-
-        oauth_client = oauth.Client(oauth_consumer, token)
-        resp, content = oauth_client.request(ACCESS_TOKEN_URL, method='POST', body='oauth_callback=oob&oauth_verifier=%s' % pincode)
-        access_token = dict(parse_qsl(content))
-
-        if resp['status'] != '200':
-            print 'The request for a Token did not succeed: %s' % resp['status']
-            print access_token
-        else:
-            print 'Your Twitter Access Token key: %s' % access_token['oauth_token']
-            print '          Access Token secret: %s' % access_token['oauth_token_secret']
-            print ''
+    try:
+        resp = oauth_client.fetch_request_token(REQUEST_TOKEN_URL)
+    except ValueError, e:
+        print 'Invalid respond from Twitter requesting temp token: %s' % e
+        return
+    url = oauth_client.authorization_url(AUTHORIZATION_URL)
+
+    print ''
+    print 'I will try to start a browser to visit the following Twitter page'
+    print 'if a browser will not start, copy the URL to your browser'
+    print 'and retrieve the pincode to be used'
+    print 'in the next step to obtaining an Authentication Token:'
+    print ''
+    print url
+    print ''
+
+    webbrowser.open(url)
+    pincode = raw_input('Pincode? ')
+
+
+    print ''
+    print 'Generating and signing request for an access token'
+    print ''
+
+    oauth_client = OAuth1Session(consumer_key, client_secret=consumer_secret,
+            resource_owner_key=resp.get('oauth_token'),
+            resource_owner_secret=resp.get('oauth_token_secret'),
+            verifier=pincode
+            )
+    try:
+        resp = oauth_client.fetch_access_token(ACCESS_TOKEN_URL)
+    except ValueError, e:
+        print 'Invalid respond from Twitter requesting access token: %s' % e
+        return
+
+    print 'Your Twitter Access Token key: %s' % resp.get('oauth_token')
+    print '          Access Token secret: %s' % resp.get('oauth_token_secret')
+    print ''
 
 
 def main():