Source code for cars

#!/usr/bin/env python
# coding: utf8
#
# Copyright (c) 2020 Centre National d'Etudes Spatiales (CNES).
#
# This file is part of CARS
# (see https://github.com/CNES/cars).
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""
Cars module init file
"""

import os

# Standard imports
from importlib import metadata

# VERSION through setuptools_scm when python3 > 3.8
try:
    __version__ = metadata.version("cars")
except Exception:  # pylint: disable=broad-except
    __version__ = "unknown"

__author__ = "CNES"
__email__ = "cars@cnes.fr"

# Force monothread for child workers
os.environ["PANDORA_NUMBA_PARALLEL"] = str(False)
os.environ["SHARELOC_NUMBA_PARALLEL"] = str(False)
os.environ["OMP_NUM_THREADS"] = "1"
os.environ["MKL_NUM_THREADS"] = "1"
os.environ["NUMBA_NUM_THREADS"] = "1"
os.environ["GDAL_NUM_THREADS"] = "1"
os.environ["ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS"] = "1"


def import_plugins() -> None:
    """
    Load all the registered entry points
    :return: None
    """
    eps = metadata.entry_points()
    if "cars.plugins" in eps:
        for entry_point in metadata.entry_points()["cars.plugins"]:
            entry_point.load()


import_plugins()