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#############################################################################
##
## Copyright (C) 2020 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of Qt for Python.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################
import os
import sys
from pathlib import Path
def get_dir_env_var(var_name):
"""Return a directory set by an environment variable"""
result = os.environ.get(var_name)
if not result:
raise ValueError(f'{var_name} is not set!')
if not Path(result).is_dir():
raise ValueError(f'{result} is not a directory!')
return result
def get_build_dir():
"""
Return the env var `BUILD_DIR`.
If not set (interactive mode), take the last build history entry.
"""
try:
return get_dir_env_var('BUILD_DIR')
except ValueError:
look_for = Path("testing")
here = Path(__file__).resolve().parent
while here / look_for not in here.iterdir():
import pprint
parent = here.parent
if parent == here:
raise SystemError(look_for + " not found!")
here = parent
try:
sys.path.insert(0, os.fspath(here))
from testing.buildlog import builds
if not builds.history:
raise
return builds.history[-1].build_dir
finally:
del sys.path[0]
def _prepend_path_var(var_name, paths):
"""Prepend additional paths to a path environment variable
like PATH, LD_LIBRARY_PATH"""
old_paths = os.environ.get(var_name)
new_paths = os.pathsep.join(paths)
if old_paths:
new_paths += f'{os.pathsep}{old_paths}'
os.environ[var_name] = new_paths
def add_python_dirs(python_dirs):
"""Add directories to the Python path unless present.
Care is taken that the added directories come before
site-packages."""
new_paths = []
for python_dir in python_dirs:
new_paths.append(python_dir)
if python_dir in sys.path:
sys.path.remove(python_dir)
sys.path[:0] = new_paths
def add_lib_dirs(lib_dirs):
"""Add directories to the platform's library path."""
if sys.platform == 'win32':
if sys.version_info >= (3, 8, 0):
for lib_dir in lib_dirs:
os.add_dll_directory(lib_dir)
else:
_prepend_path_var('PATH', lib_dirs)
else:
_prepend_path_var('LD_LIBRARY_PATH', lib_dirs)
def shiboken_paths(include_shiboken_tests=False):
"""Return a tuple of python directories/lib directories to be set for
using the shiboken6 module from the build directory or running the
shiboken tests depending on a single environment variable BUILD_DIR
pointing to the build directory."""
src_dir = Path(__file__).resolve().parent
python_dirs = []
if include_shiboken_tests:
python_dirs.append(os.fspath(src_dir)) # For shiboken_test_helper
python_dirs.append(get_build_dir()) # for toplevel shiboken6 import
shiboken_dir = Path(get_build_dir()) / 'shiboken6'
lib_dirs = [os.fspath(shiboken_dir / 'libshiboken')]
if include_shiboken_tests:
shiboken_test_dir = shiboken_dir /'tests'
for module in ['minimal', 'sample', 'smart', 'other']:
module_dir = shiboken_test_dir / f"{module}binding"
python_dirs.append(os.fspath(module_dir))
lib_dir = shiboken_test_dir / f"lib{module}"
lib_dirs.append(os.fspath(lib_dir))
return (python_dirs, lib_dirs)
def init_paths():
"""Sets the correct import paths (Python modules and C++ library
paths) for testing shiboken depending on a single
environment variable BUILD_DIR pointing to the build
directory."""
paths = shiboken_paths(True)
add_python_dirs(paths[0])
add_lib_dirs(paths[1])
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