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#!/usr/bin/env python3
# SPDX-License-Identifier: CC0-1.0

# Copyright (C) 2022 Wojtek Kosior <koszko@koszko.org>
#
# Available under the terms of Creative Commons Zero v1.0 Universal.

import setuptools

from setuptools.command.build_py import build_py
from setuptools.command.sdist import sdist
from setuptools import Command

from pathlib import Path


here = Path(__file__).resolve().parent


class CustomBuildCommand(build_py):
    """The build command but performs some important tasks before the build."""
    def run(self, *args, **kwargs):
        """Wrapper around build_py's original run() method."""
        self.run_command('compile_catalog')
        self.run_command('copy_licenses')

        super().run(*args, **kwargs)


class CopyLicenseFilesCommand(Command):
    """
    Command to copy some resources from beneath `LICENSES/` so that they get
    included in the wheel and are accessible to Flask.
    """
    user_options = []

    def run (self, *args, **kwargs):
        """Copy the relevant license files"""
        import shutil

        static_dir   = here / 'src' / 'koszko_org_website' / 'static'
        licenses_dir = here / 'LICENSES'

        for in_name, out_name in [
                ('LicenseRef-Yahoo-BSD-3',       'yahoo-bsd-license'),
                ('LicenseRef-Normalize-CSS-MIT', 'normalize-mit-license'),
                ('CC0-1.0',                      'cc0-1.0'),
                ('CC-BY-3.0',                    'cc-by-3.0')
        ]:
            shutil.copy(
                licenses_dir / f'{in_name}.txt',
                static_dir / f'{out_name}.txt'
            )

    def initialize_options(self):
        pass

    def finalize_options(self):
        pass

setuptools.setup(cmdclass = {
    'build_py':      CustomBuildCommand,
    'copy_licenses': CopyLicenseFilesCommand
})