From a7fadce82fe7b660af40a869a096fd617da468db Mon Sep 17 00:00:00 2001
From: Zhou Wei <52485244+zhouwei25@users.noreply.github.com>
Date: Thu, 17 Sep 2020 14:10:48 +0800
Subject: [PATCH] fix dll load bug on windows from python3.8 (#27324)

---
 python/paddle/fluid/core.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/python/paddle/fluid/core.py b/python/paddle/fluid/core.py
index a05aa3b0a84..2e3bb6b0021 100644
--- a/python/paddle/fluid/core.py
+++ b/python/paddle/fluid/core.py
@@ -39,6 +39,11 @@ try:
         third_lib_path = current_path + os.sep + '..' + os.sep + 'libs'
         os.environ['path'] = third_lib_path + ';' + os.environ['path']
         sys.path.insert(0, third_lib_path)
+        # Note: from python3.8, PATH will not take effect
+        # https://github.com/python/cpython/pull/12302
+        # Use add_dll_directory to specify dll resolution path
+        if sys.version_info[:2] >= (3, 8):
+            os.add_dll_directory(third_lib_path)
 
 except ImportError as e:
     from .. import compat as cpt
-- 
GitLab