From 8dc3e438398046c6bb989e038cd08280aa356982 Mon Sep 17 00:00:00 2001
From: Yury Selivanov <yury@magic.io>
Date: Wed, 5 Oct 2016 19:32:49 -0400
Subject: Issue #28372: Fix asyncio to support formatting of non-python
 coroutines

---
 Lib/asyncio/coroutines.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'Lib/asyncio/coroutines.py')

diff --git a/Lib/asyncio/coroutines.py b/Lib/asyncio/coroutines.py
index 5cecc762df9..1db7030205d 100644
--- a/Lib/asyncio/coroutines.py
+++ b/Lib/asyncio/coroutines.py
@@ -261,6 +261,25 @@ def iscoroutine(obj):
 def _format_coroutine(coro):
     assert iscoroutine(coro)
 
+    if not hasattr(coro, 'cr_code') and not hasattr(coro, 'gi_code'):
+        # Most likely a Cython coroutine.
+        coro_name = getattr(coro, '__qualname__', coro.__name__)
+        coro_name = '{}()'.format(coro_name)
+
+        running = False
+        try:
+            running = coro.cr_running
+        except AttributeError:
+            try:
+                running = coro.gi_running
+            except AttributeError:
+                pass
+
+        if running:
+            return '{} running'.format(coro_name)
+        else:
+            return coro_name
+
     coro_name = None
     if isinstance(coro, CoroWrapper):
         func = coro.func
-- 
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