Add Forbidden and NotFound exceptions.

discord/errors.py

@@ -65,6 +65,21 @@ class HTTPException(DiscordException):
 
         super().__init__(fmt.format(self.response, message))
 
+class Forbidden(HTTPException):
+    """Exception that's thrown for when status code 403 occurs.
+
+    Subclass of :exc:`HTTPException`
+    """
+    pass
+
+class NotFound(HTTPException):
+    """Exception that's thrown for when status code 404 occurs.
+
+    Subclass of :exc:`HTTPException`
+    """
+    pass
+
+
 class InvalidArgument(ClientException):
     """Exception that's thrown when an argument to a function
     is invalid some way (e.g. wrong value or wrong type).

discord/utils.py

@@ -25,7 +25,7 @@ DEALINGS IN THE SOFTWARE.
 """
 
 from re import split as re_split
-from .errors import HTTPException, InvalidArgument
+from .errors import HTTPException, Forbidden, NotFound, InvalidArgument
 import datetime
 import asyncio
 
@@ -66,7 +66,12 @@ def _verify_successful_response(response):
     success = code >= 200 and code < 300
     if not success:
         data = yield from response.json()
-        raise HTTPException(response, data.get('message'))
+        message = data.get('message')
+        if code == 403:
+            raise Forbidden(response, message)
+        elif code == 404:
+            raise NotFound(response, message)
+        raise HTTPException(response, message)
 
 def _get_mime_type_for_image(data):
     if data.startswith(b'\x89\x50\x4E\x47\x0D\x0A\x1A\x0A'):

docs/api.rst

@@ -358,6 +358,10 @@ The following exceptions are thrown by the library.
 .. autoexception:: HTTPException
     :members:
 
+.. autoexception:: Forbidden
+
+.. autoexception:: NotFound
+
 .. autoexception:: InvalidArgument
 
 .. autoexception:: GatewayNotFound