Add Unauthorized

tweepy/__init__.py

@@ -13,8 +13,13 @@
 from tweepy.auth import AppAuthHandler, OAuthHandler
 from tweepy.cache import Cache, FileCache, MemoryCache
 from tweepy.cursor import Cursor
-from tweepy.errors import HTTPException, NotFound, TooManyRequests, TweepyException
-from tweepy.models import DirectMessage, Friendship, ModelFactory, SavedSearch, SearchResults, Status, User
+from tweepy.errors import (
+    HTTPException, NotFound, TooManyRequests, TweepyException, Unauthorized
+)
+from tweepy.models import (
+    DirectMessage, Friendship, ModelFactory, SavedSearch, SearchResults,
+    Status, User
+)
 from tweepy.streaming import Stream
 
 # Global, unauthenticated instance of API

tweepy/api.py

@@ -12,7 +12,9 @@
 
 import requests
 
-from tweepy.errors import HTTPException, NotFound, TooManyRequests, TweepyException
+from tweepy.errors import (
+    HTTPException, NotFound, TooManyRequests, TweepyException, Unauthorized
+)
 from tweepy.models import Model
 from tweepy.parsers import ModelParser, Parser
 from tweepy.utils import list_to_csv
@@ -208,6 +210,8 @@ def request(
 
             # If an error was returned, throw an exception
             self.last_response = resp
+            if resp.status_code == 401:
+                raise Unauthorized(resp)
             if resp.status_code == 404:
                 raise NotFound(resp)
             if resp.status_code == 429:

tweepy/errors.py

@@ -43,6 +43,11 @@ def __init__(self, response):
             )
 
 
+class Unauthorized(HTTPException):
+    """Exception raised for a 401 HTTP status code"""
+    pass
+
+
 class NotFound(HTTPException):
     """Exception raised for a 404 HTTP status code"""
     pass