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### Description This PR enables execution of subgraphs in OVEP and currently, when OVEP developers install the onnxruntime-openvino package on windows from pypi, they would have to additionally download OpenVINO windows binaries and run the setupvars.bat script which sets the environment PATH to locate the OV dll's. Also this PR fixes issues of OVEP windows io buffer sample. ### Motivation and Context Fix: We want to make the user experience easy for OVEP Python developers on windows platform. This fix, introduces a function add_openvino_libs_to_path at the location tools/python/util/add_openvino_win_libs.py. The above function, can be called by OVEP python users in the application code and that takes care of setting the OpenVINO dll's to the path from the OpenVINO pypi packge (openvino) which was installed. This change also makes sure that add_openvino_libs_to_path() function is added to onnxruntime python package only when it is build for OpenVINO Execution Provider for ONNXRuntime and not for default ORT python package builds. New user experience for Python OVEP developers on windows platform: step 1: pip install onnxruntime-openvino step 2: pip install openvino step 3: <Add these 2 lines in the application code> import onnxruntime.tools.add_openvino_win_libs as utils utils.add_openvino_libs_to_path() --------- Signed-off-by: MaajidKhan <n.maajid.khan@intel.com> Co-authored-by: MaajidKhan <n.maajid.khan@intel.com> Co-authored-by: Suryaprakash Shanmugam <suryaprakash.shanmugam@intel.com>
35 lines
1.6 KiB
Python
35 lines
1.6 KiB
Python
# Copyright (C) 2022-2023 Intel Corporation
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# Licensed under the MIT License
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import os
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import site
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import sys
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def add_openvino_libs_to_path() -> None:
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"""Adds OpenVINO libraries to the PATH environment variable on Windows."""
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if sys.platform == "win32":
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# Installer, pip installs openvino dlls to the different directories
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# and those paths need to be visible to the openvino-ep modules
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#
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# If you're using a custom installation of openvino,
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# add the location of openvino dlls to your system PATH.
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openvino_libs = []
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# looking for the libs in the pip installation path.
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if os.path.isdir(os.path.join(site.getsitepackages()[1], "openvino", "libs")):
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openvino_libs.append(os.path.join(site.getsitepackages()[1], "openvino", "libs"))
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else:
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# setupvars.bat script set all libs paths to OPENVINO_LIB_PATHS environment variable.
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openvino_libs_installer = os.getenv("OPENVINO_LIB_PATHS")
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if openvino_libs_installer:
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openvino_libs.extend(openvino_libs_installer.split(";"))
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else:
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sys.exit(
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"Error: Please set the OPENVINO_LIB_PATHS environment variable. "
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"If you use an install package, please, run setupvars.bat"
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)
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for lib in openvino_libs:
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lib_path = os.path.join(os.path.dirname(__file__), lib)
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if os.path.isdir(lib_path):
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os.environ["PATH"] = os.path.abspath(lib_path) + ";" + os.environ["PATH"]
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os.add_dll_directory(os.path.abspath(lib_path))
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