def check_mxnet():
    print('----------MXNet Info-----------')
    try:
        import mxnet
        print('Version      :', mxnet.__version__)
        mx_dir = os.path.dirname(mxnet.__file__)
        print('Directory    :', mx_dir)
        commit_hash = os.path.join(mx_dir, 'COMMIT_HASH')
        with open(commit_hash, 'r') as f:
            ch = f.read().strip()
            print('Commit Hash   :', ch)
    except ImportError:
        print('No MXNet installed.')
    except IOError:
        print('Hashtag not found. Not installed from pre-built package.')
    except Exception as e:
        import traceback
        if not isinstance(e, IOError):
            print("An error occured trying to import mxnet.")
            print("This is very likely due to missing missing or incompatible library files.")
        print(traceback.format_exc()) 

def deprecated(self, removal_version, msg, *args, **kwargs):
        """
        Logs deprecation message which is log level WARN if the
        ``removal_version`` is > 1 minor release away and log level ERROR
        otherwise.

        removal_version should be the version that the deprecated feature is
        expected to be removed in, so something that will not exist in
        version 1.7, but will in 1.6 would have a removal_version of 1.7.
        """
        from pip import __version__

        if should_warn(__version__, removal_version):
            self.warn(msg, *args, **kwargs)
        else:
            self.error(msg, *args, **kwargs) 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string 

def _get_wheel_args(index_url, env, extra_index_url):
    args = [
        sys.executable,
        "-m",
        "pip",
        "wheel",
        "-vvv",  # --verbose x3
        "--no-deps",
        "--no-cache-dir",
        "--disable-pip-version-check",
    ]
    if index_url is not None:
        args += ["--index-url", index_url]
        if index_url != DEFAULT_INDEX:
            args += ["--trusted-host", urlparse(index_url).hostname]
    if extra_index_url is not None:
        args += ["--extra-index-url", extra_index_url, "--trusted-host", urlparse(extra_index_url).hostname]
    if env is None:
        pip_version = pip.__version__
    else:
        pip_version = dict(env)["pip_version"]
        args[0] = dict(env)["python_executable"]
    if int(pip_version.split(".")[0]) >= 10:
        args.append("--progress-bar=off")
    return args 

def main():
    parser = ArgumentParser()
    parser.add_argument("dist_name")
    parser.add_argument("--index-url", "-i")
    parser.add_argument("--extra-index-url")
    parser.add_argument("--for-python", "-p", dest="env", type=python_interpreter)
    parser.add_argument("--verbose", "-v", default=1, type=int, choices=range(3))
    debug = {
        "sys.argv": sys.argv,
        "sys.executable": sys.executable,
        "sys.version": sys.version,
        "sys.path": sys.path,
        "pip.__version__": pip.__version__,
        "pip.__file__": pip.__file__,
    }
    args = parser.parse_args()
    configure_logging(verbosity=args.verbose)
    log.debug("runtime info", **debug)
    result = get(dist_name=args.dist_name, index_url=args.index_url, env=args.env, extra_index_url=args.extra_index_url)
    text = json.dumps(result, indent=2, sort_keys=True, separators=(",", ": "))
    print(text) 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string 

def check_pip_version(min_version='6.0.0'):
    """
    Ensure that a minimum supported version of pip is installed.
    """
    check_pip_is_installed()

    import pip

    if StrictVersion(pip.__version__) < StrictVersion(min_version):
        print("Upgrade pip, your version '{0}' "
              "is outdated. Minimum required version is '{1}':\n{2}".format(pip.__version__,
                                                                            min_version,
                                                                            GET_PIP))
        sys.exit(1)

    return True 

def get_version_string(init_file):
    """
    Read __version__ string for an init file.
    """

    with open(init_file, 'r') as fp:
        content = fp.read()
        version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
                                  content, re.M)
        if version_match:
            return version_match.group(1)

        raise RuntimeError('Unable to find version string in %s.' % (init_file))


# alias for get_version_string