asyncio: Add asyncio.compat module

Move compatibility helpers for the different Python versions to a new
asyncio.compat module.

1 files changed, 3 insertions, 4 deletions

diff --git a/Lib/asyncio/events.py b/Lib/asyncio/events.py
index 496075bacf..d5f0d45195 100644
--- a/Lib/asyncio/events.py
+++ b/Lib/asyncio/events.py
@@ -17,12 +17,11 @@ import sys
 import threading
 import traceback
 
-
-_PY34 = sys.version_info >= (3, 4)
+from asyncio import compat
 
 
 def _get_function_source(func):
-    if _PY34:
+    if compat.PY34:
         func = inspect.unwrap(func)
     elif hasattr(func, '__wrapped__'):
         func = func.__wrapped__
@@ -31,7 +30,7 @@ def _get_function_source(func):
         return (code.co_filename, code.co_firstlineno)
     if isinstance(func, functools.partial):
         return _get_function_source(func.func)
-    if _PY34 and isinstance(func, functools.partialmethod):
+    if compat.PY34 and isinstance(func, functools.partialmethod):
         return _get_function_source(func.func)
     return None