From f53fbef809e6b75076e03595efa865db04dbeaeb Mon Sep 17 00:00:00 2001
From: Keryn Knight <keryn@kerynknight.com>
Date: Mon, 16 Aug 2021 16:21:17 +0100
Subject: [PATCH] Decide current_task method to use at import time

Saves 1 hasattr call per usage of Local.__getattr__
---
 asgiref/sync.py | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/asgiref/sync.py b/asgiref/sync.py
index 0d9464fd..8e555cf8 100644
--- a/asgiref/sync.py
+++ b/asgiref/sync.py
@@ -15,8 +15,11 @@
 
 if sys.version_info >= (3, 7):
     import contextvars
+
+    current_task = asyncio.current_task
 else:
     contextvars = None
+    current_task = asyncio.Task.current_task
 
 
 def _restore_context(context):
@@ -498,12 +501,7 @@ def get_current_task():
         Returns None if there is no task.
         """
         try:
-            if hasattr(asyncio, "current_task"):
-                # Python 3.7 and up
-                return asyncio.current_task()
-            else:
-                # Python 3.6
-                return asyncio.Task.current_task()
+            return current_task()
         except RuntimeError:
             return None