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# SPDX-FileCopyrightText: 2022-2023 Blender Authors
#
# SPDX-License-Identifier: GPL-2.0-or-later
# Make shared libraries needed by modules available in standalone Python binary.
import sys
import os
exe_dir, exe_file = os.path.split(sys.executable)
is_python = exe_file.startswith("python")
# Path to Blender shared libraries.
shared_lib_dirname = "blender.shared" if sys.platform == "win32" else "lib"
if is_python:
shared_lib_dir = os.path.abspath(os.path.join(exe_dir, "..", "..", "..", shared_lib_dirname))
else:
shared_lib_dir = os.path.abspath(os.path.join(exe_dir, shared_lib_dirname))
if sys.platform == "win32":
# Directory for extensions to find DLLs.
if is_python:
os.add_dll_directory(shared_lib_dir)
# Directory for USD extension to find DLLs.
import_paths = os.getenv("PXR_USD_WINDOWS_DLL_PATH")
if import_paths is None:
os.environ["PXR_USD_WINDOWS_DLL_PATH"] = shared_lib_dir
# OIIO will by default add all paths from the path variable to add_dll_directory
# problem there is that those folders will be searched before ours and versions of
# some DLL files may be found that are not blenders and may not even be the right version
# causing compatibility issues.
os.environ["OIIO_LOAD_DLLS_FROM_PATH"] = "0"
# MaterialX libraries, append if already specified.
materialx_libs_dir = os.path.abspath(os.path.join(shared_lib_dir, "materialx", "libraries"))
materialx_libs_env = os.getenv("MATERIALX_SEARCH_PATH")
if materialx_libs_env is None:
os.environ["MATERIALX_SEARCH_PATH"] = materialx_libs_dir
else:
os.environ["MATERIALX_SEARCH_PATH"] = materialx_libs_env + os.pathsep + materialx_libs_dir
materialx_libs_env = os.getenv("PXR_MTLX_STDLIB_SEARCH_PATHS")
if materialx_libs_env is None:
os.environ["PXR_MTLX_STDLIB_SEARCH_PATHS"] = materialx_libs_dir
else:
os.environ["PXR_MTLX_STDLIB_SEARCH_PATHS"] = materialx_libs_env + os.pathsep + materialx_libs_dir
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