[tasks] Add support for passing an argument list of exceptions.

discord/ext/tasks/__init__.py

@@ -210,8 +210,8 @@ class Loop:
             self._task.add_done_callback(restart_when_over)
             self._task.cancel()
 
-    def add_exception_type(self, exc):
-        r"""Adds an exception type to be handled during the reconnect logic.
+    def add_exception_type(self, *exceptions):
+        r"""Adds exception types to be handled during the reconnect logic.
 
         By default the exception types handled are those handled by
         :meth:`discord.Client.connect`\, which includes a lot of internet disconnection
@@ -222,21 +222,22 @@ class Loop:
 
         Parameters
         ------------
-        exc: Type[:class:`BaseException`]
-            The exception class to handle.
+        \*exceptions: Type[:class:`BaseException`]
+            An argument list of exception classes to handle.
 
         Raises
         --------
         TypeError
-            The exception passed is either not a class or not inherited from :class:`BaseException`.
+            An exception passed is either not a class or not inherited from :class:`BaseException`.
         """
 
-        if not inspect.isclass(exc):
-            raise TypeError('{0!r} must be a class.'.format(exc))
-        if not issubclass(exc, BaseException):
-            raise TypeError('{0!r} must inherit from BaseException.'.format(exc))
+        for exc in exceptions:
+            if not inspect.isclass(exc):
+                raise TypeError('{0!r} must be a class.'.format(exc))
+            if not issubclass(exc, BaseException):
+                raise TypeError('{0!r} must inherit from BaseException.'.format(exc))
 
-        self._valid_exception = (*self._valid_exception, exc)
+        self._valid_exception = (*self._valid_exception, *exceptions)
 
     def clear_exception_types(self):
         """Removes all exception types that are handled.
@@ -247,22 +248,22 @@ class Loop:
         """
         self._valid_exception = tuple()
 
-    def remove_exception_type(self, exc):
-        """Removes an exception type from being handled during the reconnect logic.
+    def remove_exception_type(self, *exceptions):
+        r"""Removes exception types from being handled during the reconnect logic.
 
         Parameters
         ------------
-        exc: Type[:class:`BaseException`]
-            The exception class to handle.
+        \*exceptions: Type[:class:`BaseException`]
+            An argument list of exception classes to handle.
 
         Returns
         ---------
         :class:`bool`
-            Whether it was successfully removed.
+            Whether all exceptions were successfully removed.
         """
         old_length = len(self._valid_exception)
-        self._valid_exception = tuple(x for x in self._valid_exception if x is not exc)
-        return len(self._valid_exception) != old_length
+        self._valid_exception = tuple(x for x in self._valid_exception if x not in exceptions)
+        return len(self._valid_exception) == old_length - len(exceptions)
 
     def get_task(self):
         """Optional[:class:`asyncio.Task`]: Fetches the internal task or ``None`` if there isn't one running."""