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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")
dest = os.path.join(lib_folder, "libomp140.x86_64.dll")
if os.path.exists(dest):
break
with open(test_file, 'rb') as f:
contents = f.read()
if b"libomp140.x86_64.dll" not in contents:
break
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"), dest)
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