# MIT License
#
# Copyright (c) 2023 Transmute AI Lab
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import os
import os.path as osp
import shutil
import sys
import warnings
from setuptools import find_packages, setup


def readme():
    with open('README.md', encoding='utf-8') as f:
        content = f.read()
    return content


def get_version():
    version_file = 'trailmet/version.py'
    with open(version_file, 'r', encoding='utf-8') as f:
        exec(compile(f.read(), version_file, 'exec'))
    return locals()['__version__']


def parse_requirements(fname='requirements.txt', with_version=True):
    """Parse the package dependencies listed in a requirements file but strips
    specific versioning information.

    Args:
        fname (str): path to requirements file
        with_version (bool, default=False): if True include version specs

    Returns:
        List[str]: list of requirements items

    CommandLine:
        python -c "import setup; print(setup.parse_requirements())"
    """
    import re
    import sys
    from os.path import exists
    require_fpath = fname

    def parse_line(line):
        """Parse information from a line in a requirements text file."""
        if line.startswith('-r '):
            # Allow specifying requirements in other files
            target = line.split(' ')[1]
            for info in parse_require_file(target):
                yield info
        else:
            info = {'line': line}
            if line.startswith('-e '):
                info['package'] = line.split('#egg=')[1]
            else:
                # Remove versioning from the package
                pat = '(' + '|'.join(['>=', '==', '>']) + ')'
                parts = re.split(pat, line, maxsplit=1)
                parts = [p.strip() for p in parts]

                info['package'] = parts[0]
                if len(parts) > 1:
                    op, rest = parts[1:]
                    if ';' in rest:
                        # Handle platform specific dependencies
                        # http://setuptools.readthedocs.io/en/latest/setuptools.html#declaring-platform-specific-dependencies
                        version, platform_deps = map(str.strip,
                                                     rest.split(';'))
                        info['platform_deps'] = platform_deps
                    else:
                        version = rest  # NOQA
                    if '--' in version:
                        # the `extras_require` doesn't accept options.
                        version = version.split('--')[0].strip()
                    info['version'] = (op, version)
            yield info

    def parse_require_file(fpath):
        with open(fpath, 'r') as f:
            for line in f.readlines():
                line = line.strip()
                if line and not line.startswith('#'):
                    for info in parse_line(line):
                        yield info

    def gen_packages_items():
        if exists(require_fpath):
            for info in parse_require_file(require_fpath):
                parts = [info['package']]
                if with_version and 'version' in info:
                    parts.extend(info['version'])
                if not sys.version.startswith('3.4'):
                    # apparently package_deps are broken in 3.4
                    platform_deps = info.get('platform_deps')
                    if platform_deps is not None:
                        parts.append(';' + platform_deps)
                item = ''.join(parts)
                yield item

    packages = list(gen_packages_items())
    return packages


if __name__ == '__main__':
    setup(name='trailmet',
          version=get_version(),
          description='Transmute AI Model Efficiency Toolkit',
          long_description=readme(),
          long_description_content_type='text/markdown',
          keywords='computer vision, image classification, model efficiency',
          packages=find_packages(exclude=('configs', 'tools', 'demo',
                                          'tests')),
          include_package_data=True,
          python_requires='>=3.7',
          classifiers=[
              'Development Status :: 4 - Beta',
              'License :: OSI Approved :: Apache Software License',
              'Operating System :: OS Independent',
              'Programming Language :: Python :: 3',
              'Programming Language :: Python :: 3.7',
              'Programming Language :: Python :: 3.8',
              'Programming Language :: Python :: 3.9',
              'Programming Language :: Python :: 3.10',
              'Programming Language :: Python :: 3.11',
              'Topic :: Scientific/Engineering :: Artificial Intelligence',
          ],
          url='https://github.com/transmuteAI/trailmet',
          author='TrAILMET Contributors',
          author_email='transmute.ai@gmail.com',
          license='MIT License',
          install_requires=parse_requirements('requirements.txt'),
          extras_require={
              'all': parse_requirements('requirements.txt'),
          },
          zip_safe=False)
