Added skeleton for chat and video.

clipper/auth.py

@@ -1,23 +1,41 @@
+import threading
 import requests
+import logging
 
 TOKEN_URL = "https://id.twitch.tv/oauth2/token?client_id={0}&client_secret={1}&grant_type=client_credentials"
 
+logger = logging.getLogger(__name__)
+
+
+def synchronized(func):
+    func.__lock__ = threading.Lock()
+
+    def synced_func(*args, **kws):
+        with func.__lock__:
+            return func(*args, **kws)
+
+    return synced_func
+
 
 class TwitchAuthenticator:
     cached_token = None
 
-    def __init__(self, client_id, client_secret):
+    def __init__(self, client_id, client_secret, username):
+        self.username = username
         self.client_id = client_id
         self.client_secret = client_secret
         self.token_url = TOKEN_URL.format(self.client_id, self.client_secret)
 
+    @synchronized
     def get_token(self):
         if self.cached_token is None:
             self._fetch_token()
 
         return self.cached_token
 
+    @synchronized
     def refresh_token(self):
+        # TODO what if both will call refresh ?
         self._fetch_token()
         return self.cached_token
 
@@ -26,3 +44,5 @@ class TwitchAuthenticator:
         token_response.raise_for_status()
         token = token_response.json()
         self.cached_token = token["access_token"]
+
+        logger.info("Fetched new token %s", self.cached_token)