check_install.py

import os
import subprocess
import sys
from pprint import pprint

import pip

try:
    from jupyter_client.kernelspec import KernelSpecManager, NoSuchKernel
except:
    print(
        "Importing Jupyter failed. Please follow the installation instructions "
        "in the README in the same directory as this script or "
        "at https://github.com/openvinotoolkit/openvino_notebooks."
    )
    sys.exit()



def show_supported(supported):
    """
    Returns OK (in green) if supported evaluates to True, otherwise NOT OK (in red).
    """
    try:
        from colorama import Fore, Style, init

        init()
        startcolor = Fore.GREEN if supported else Fore.RED
        stopcolor = Style.RESET_ALL
    except:
        startcolor = stopcolor = ""
    output = "OK" if supported else "NOT OK"
    return f"{startcolor}{output}{stopcolor}"


def pip_check():
    result = subprocess.check_output(["pip", "check"], universal_newlines=True)
    if "No broken requirements found" in result:
        return True, ""
    else:
        return False, result


def kernel_check():
    try:
        kernel = KernelSpecManager().get_kernel_spec("openvino_env")
    except NoSuchKernel:
        return False, ""
    kernel_python = kernel.argv[0]
    return True, kernel_python


PYTHON_EXECUTABLE = sys.executable
PYTHON_VERSION = sys.version_info
PIP_VERSION = pip.__version__
OS = sys.platform
KERNEL_INSTALLED, KERNEL_PYTHON = kernel_check()
NO_BROKEN_REQUIREMENTS, PIP_CHECK_OUTPUT = pip_check()

CORRECT_KERNEL_PYTHON = PYTHON_EXECUTABLE == KERNEL_PYTHON

IN_OPENVINO_ENV = "openvino_env" in sys.executable
SUPPORTED_PYTHON_VERSION = PYTHON_VERSION.major == 3 and (
    PYTHON_VERSION.minor >= 6 and PYTHON_VERSION.minor <= 8
)
GLOBAL_OPENVINO_INSTALLED = "openvino_202" in os.environ.get("LD_LIBRARY_PATH", "") + ":".join(
    sys.path
)


try:
    import openvino

    PIP_OPENVINO_INSTALLED = True
except ImportError:
    PIP_OPENVINO_INSTALLED = False

try:
    from openvino.inference_engine import IECore

    OPENVINO_IMPORT = True
except ImportError:
    OPENVINO_IMPORT = False

try:
    import mo_onnx
except ImportError:
    DEVTOOLS_INSTALLED = False
else:
    DEVTOOLS_INSTALLED = True


print("System information:")
print(f"Python executable: {PYTHON_EXECUTABLE}")

print(f"Pip version: {PIP_VERSION}")
print(f"OpenVINO environment activated: {show_supported(IN_OPENVINO_ENV)}")
print(f"Jupyter kernel installed for openvino_env: {show_supported(KERNEL_INSTALLED)}")
if KERNEL_INSTALLED:
    print(f"Jupyter kernel Python executable: {KERNEL_PYTHON}")
    print(
        "Jupyter kernel Python and OpenVINO environment Python match: "
        f"{show_supported(CORRECT_KERNEL_PYTHON)}"
    )
print(
    f"Python version: {PYTHON_VERSION.major}.{PYTHON_VERSION.minor} "
    f"{show_supported(SUPPORTED_PYTHON_VERSION)}"
)
print(f"OpenVINO pip package installed: {show_supported(PIP_OPENVINO_INSTALLED)}")
print(f"OpenVINO import succeeds: {show_supported(OPENVINO_IMPORT)}")
print(f"OpenVINO development tools installed: {show_supported(DEVTOOLS_INSTALLED)}")
print(f"OpenVINO not installed globally: {show_supported(not GLOBAL_OPENVINO_INSTALLED)}")

print(f"No broken requirements: {show_supported(NO_BROKEN_REQUIREMENTS)}")
print()

if not PIP_OPENVINO_INSTALLED:
    print(
        "The OpenVINO PIP package is not installed in this environment. Please\n"
        "follow the README in the same directory as this check_install script or\n"
        "at https://github.com/openvinotoolkit/openvino_notebooks to install OpenVINO."
    )
    sys.exit(0)

if not OPENVINO_IMPORT and OS != "win32" and not GLOBAL_OPENVINO_INSTALLED:
    print(
        "OpenVINO is installed, but importing fails. This is likely due to a missing\n"
        "libpython.so library for the Python version you are using.\n"
    )
    if OS == "linux":
        print(
            "If you use Python 3.7 on Ubuntu/Debian Linux, you can install the Python\n"
            "libraries with `apt install libpython3.7-dev` (you may need to use `sudo`).\n"
            "On Ubuntu 20, libraries for Python 3.6 and 3.7 are not available to install\n"
            "with apt by default and it is recommended to use Python 3.8.\n"
            "If you have multiple Python version installed, use the full path to the Python\n"
            "executable for creating the virtual environment with a specific Python version.\n"
            "For example: `/usr/bin/python3.8 -m venv openvino_env`. Once you have activated\n"
            "the virtual environment you can type just `python` again.\n"
        )

if not IN_OPENVINO_ENV:
    print(
        "It appears that you are not running Python in an `openvino_env` \n"
        "environment. It is possible use the notebooks in a different \n"
        "environment, but if you run into trouble, please follow the instructions \n"
        "in the README to install and activate the `openvino_env` environment.\n"
    )

if not CORRECT_KERNEL_PYTHON:
    print("The Python version in openvino_env does not match the openvino_env "
          "Jupyter kernel. This may not be an issue. If you experience issues, please "
          "follow the instructions in the README to reinstall the kernel.")
if GLOBAL_OPENVINO_INSTALLED:
    print(
        "It appears that you installed OpenVINO globally (for example with \n"
        "the OpenVINO installer, or a package manager). \n"
        "This may cause conflicts with the OpenVINO environment installed by \n"
        "pip install. If you encounter issues, please make sure to start the \n"
        "notebooks from a terminal where you did not run setupvars.sh/setupvars.bat, \n"
        "and where you did not add OpenVINO paths to your PATH or LD_LIBRARY_PATH. \n"
    )
    if OS == "win32":
        print("PATH:")
        pprint(sys.path)
        print()
    else:
        print("LD_LIBRARY_PATH:")
        pprint(os.environ.get("LD_LIBRARY_PATH", ""))
        print()
        print(
            "You may have added the command to source setuptools.sh to your \n"
            ".bashrc, or added the OpenVINO paths to LD_LIBRARY_PATH there.\n"
            "You can delete the lines from .bashrc and open a new terminal window\n"
            "or temporarily reset your LD_LIBRARY_PATH by executing\n"
            "`export LD_LIBRARY_PATH=` in your current terminal.\n"
        )

if not DEVTOOLS_INSTALLED:
    print(
        "OpenVINO development tools are not installed in this Python environment. \n"
        "Please follow the instructions in the README to install `openvino-dev`\n"
    )

if not NO_BROKEN_REQUIREMENTS:
    print()
    print("`pip check` shows broken requirements:")
    print(PIP_CHECK_OUTPUT)

print()
if (
    IN_OPENVINO_ENV
    and PIP_OPENVINO_INSTALLED
    and OPENVINO_IMPORT
    and DEVTOOLS_INSTALLED
    and SUPPORTED_PYTHON_VERSION
    and KERNEL_INSTALLED
    and CORRECT_KERNEL_PYTHON
    and (not GLOBAL_OPENVINO_INSTALLED)
):
    if NO_BROKEN_REQUIREMENTS:
        print("Everything looks good!")
    else:
        print("Summary: The installation looks good, but there are conflicting requirements.")
else:
    print(
        "The README.md file is located in the openvino_notebooks directory \n"
        "and at https://github.com/openvinotoolkit/openvino_notebooks"
    )
if not NO_BROKEN_REQUIREMENTS:
    print("Broken requirements are often harmless, but could cause issues.")