Add loop.get_exception_handler method (will be in asyncio in 3.5.2)

Author: 1st1

tests/test_base.py

@@ -269,7 +269,12 @@ def handler(loop, exc):
 
         self.loop.set_debug(True)
 
+        if hasattr(self.loop, 'get_exception_handler'):
+            # Available since Python 3.5.2
+            self.assertIsNone(self.loop.get_exception_handler())
         self.loop.set_exception_handler(handler)
+        if hasattr(self.loop, 'get_exception_handler'):
+            self.assertIs(self.loop.get_exception_handler(), handler)
         run_loop()
         self.assertEqual(len(errors), 1)
         self.assertRegex(errors[-1]['message'],

uvloop/loop.pyx

@@ -1525,6 +1525,11 @@ cdef class Loop:
 
         aio_logger.error('\n'.join(log_lines), exc_info=exc_info)
 
+    def get_exception_handler(self):
+        """Return an exception handler, or None if the default one is in use.
+        """
+        return self._exception_handler
+
     def set_exception_handler(self, handler):
         """Set handler as the new event loop exception handler.