get_python_lib.py

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#! /usr/bin/env python

# ============================================================================
# Copyright (c) 2011-2012 University of Pennsylvania
# Copyright (c) 2013-2016 Andreas Schuh
# All rights reserved.
#
# See COPYING file for license information or visit
# https://cmake-basis.github.io/download.html#license
# ============================================================================

##############################################################################
# @file  get_python_lib.py
# @brief Auxiliary Python script to get installation directory for site packages.
##############################################################################

from __future__ import absolute_import, print_function, unicode_literals

try:
    # this uses the same as packages which use easy_install for the installation
    # and returns also the proper site-packages directory on Ubuntu
    from setuptools.command.easy_install import easy_install

    class easy_install_default(easy_install):
        def __init__(self):
            from distutils.dist import Distribution
            dist = Distribution()
            self.distribution = dist
            self.initialize_options()
            self._dry_run = None
            self.verbose = dist.verbose
            self.force = None
            self.help = 0
            self.finalized = 0

    e = easy_install_default()
    import distutils.errors
    try:
        e.finalize_options()
    except distutils.errors.DistutilsError:
        pass

    print(e.install_dir.rstrip('/\\'))
except:
    # however, if the setuptools are not installed, fall back to the distutils
    import distutils.sysconfig
    print(distutils.sysconfig.get_python_lib().rstrip('/\\'))