#!/usr/bin/env python

# Copyright 2019 Division of Medical Image Computing, German Cancer Research Center (DKFZ).

#

# 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.

# ==============================================================================

from setuptools import find_packages, setup

import os, sys, subprocess

def parse_requirements(filename, exclude=[]):

    lineiter = (line.strip() for line in open(filename))

    return [line for line in lineiter if line and not line.startswith("#") and not line.split("==")[0] in exclude]

def pip_install(item):

    subprocess.check_call([sys.executable, "-m", "pip", "install", item])

def install_custom_ext(setup_path):

    try:

        pip_install(setup_path)

    except Exception as e:

        print("Could not install custom extension {} from source due to Error:\n{}\n".format(path, e) +

              "Trying to install from pre-compiled wheel.")

        dist_path = setup_path+"/dist"

        wheel_file = [fn for fn in os.listdir(dist_path) if fn.endswith(".whl")][0]

        pip_install(os.path.join(dist_path, wheel_file))

def clean():

    """Custom clean command to tidy up the project root."""

    os.system('rm -vrf ./build ./dist ./*.pyc ./*.tgz ./*.egg-info')

if __name__ == "__main__":

    req_file = "requirements.txt"

    custom_exts = ["nms-extension", "RoIAlign-extension-2D", "RoIAlign-extension-3D"]

    install_reqs = parse_requirements(req_file, exclude=custom_exts)

    setup(name='medicaldetectiontoolkit',

          version='0.1.0',

          url="https://github.com/MIC-DKFZ/medicaldetectiontoolkit",

          author='P. Jaeger, G. Ramien, MIC at DKFZ Heidelberg',

          license="Apache 2.0",

          description="Medical Object-Detection Toolkit.",

          classifiers=[

              "Development Status :: 4 - Beta",

              "Intended Audience :: Developers",

              "Programming Language :: Python :: 3.7"

          ],

          packages=find_packages(exclude=['test', 'test.*']),

          install_requires=install_reqs,

          python_requires=">=3.7"

          )

    custom_exts =  ["custom_extensions/nms", "custom_extensions/roi_align/2D", "custom_extensions/roi_align/3D"]

    for path in custom_exts:

        try:

            install_custom_ext(path)

        except Exception as e:

            print("FAILED to install custom extension {} due to Error:\n{}".format(path, e))

    clean()