From 19944ad252106e46a40e0b952c86c1cebc8486ab Mon Sep 17 00:00:00 2001
From: comfyanonymous <comfyanonymous@protonmail.com>
Date: Wed, 24 Jul 2024 12:49:29 -0400
Subject: [PATCH] Add code to fix issues with new pytorch version on the
 standalone.

---
 fix_torch.py | 16 ++++++++++++++++
 main.py      |  6 ++++++
 2 files changed, 22 insertions(+)
 create mode 100644 fix_torch.py

diff --git a/fix_torch.py b/fix_torch.py
new file mode 100644
index 00000000..b60a0bbb
--- /dev/null
+++ b/fix_torch.py
@@ -0,0 +1,16 @@
+import importlib.util
+import shutil
+import os
+import ctypes
+import logging
+
+
+torch_spec = importlib.util.find_spec("torch")
+for folder in torch_spec.submodule_search_locations:
+    lib_folder = os.path.join(folder, "lib")
+    test_file = os.path.join(lib_folder, "fbgemm.dll")
+    try:
+        mydll = ctypes.cdll.LoadLibrary(test_file)
+    except FileNotFoundError as e:
+        logging.warning("Detected pytorch version with libomp issue, patching.")
+        shutil.copyfile(os.path.join(lib_folder, "libiomp5md.dll"), os.path.join(lib_folder, "libomp140.x86_64.dll"))
diff --git a/main.py b/main.py
index 196351a3..479643b8 100644
--- a/main.py
+++ b/main.py
@@ -74,6 +74,12 @@ if __name__ == "__main__":
 
     import cuda_malloc
 
+if args.windows_standalone_build:
+    try:
+        import fix_torch
+    except:
+        pass
+
 import comfy.utils
 import yaml