
# ~~~
args = ...

import re
from os.path import basename

project_name = '-'.join(re.findall(r'\w+', basename(args.project_folder)))
title_name = project_name.replace('-', ' ').title()

from subprocess import check_output, CalledProcessError
import os, datetime
license_year = datetime.date.today().year
try:
    git_author = check_output(['git', 'config', 'user.name']).decode().strip()
except CalledProcessError:
    git_author = None

try:
    git_email = check_output(['git', 'config', 'user.email']).decode().strip()
except CalledProcessError:
    git_email = None

os_user = os.environ.get('USER')
license_author = git_author or os_user or '<COPYRIGHT HOLDER>'


def gen_license_header(prefix, args=args, vars=locals()):
    license_headers = {
        'none': '',
        'mit': '',
        'apache': '''Copyright {license_year} {license_author}

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.''',
        'gplv3': '''{title_name} - An open source project
Copyright (C) {license_year}  {license_author}

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.'''
    }
    license_header = license_headers[args.license].format(**vars, language=args.create)
    return '\n'.join(prefix + ' ' + line for line in license_header.split('\n') * bool(license_header))

tagline = args.tagline
description = args.description

... = tagline
... = description

... = project_name
... = title_name
... = license_year
... = license_author
... = git_author
... = git_email
... = os_user
... = gen_license_header

# ~~~

args = ...

if args.license != 'none':
    print('License: {}'.format({'mit': 'MIT', 'apache': 'Apache-2.0', 'gplv3': 'GPL-3.0-only' }[args.license]))
