"""\
important note:

the setup of setuptools_scm is self-using,
the first execution of `python setup.py egg_info`
will generate partial data
its critical to run `python setup.py egg_info`
once before running sdist or easy_install on a fresh checkouts

pip usage is recommended
"""
from __future__ import print_function
import os
import sys
import setuptools


def scm_config():
    here = os.path.dirname(os.path.abspath(__file__))
    src = os.path.join(here, "src")
    egg_info = os.path.join(src, "setuptools_scm.egg-info")
    has_entrypoints = os.path.isdir(egg_info)
    import pkg_resources

    sys.path.insert(0, src)
    pkg_resources.working_set.add_entry(src)
    from setuptools_scm.hacks import parse_pkginfo
    from setuptools_scm.git import parse as parse_git
    from setuptools_scm.version import guess_next_dev_version, get_local_node_and_date

    def parse(root):
        try:
            return parse_pkginfo(root)
        except IOError:
            return parse_git(root)

    config = dict(
        version_scheme=guess_next_dev_version, local_scheme=get_local_node_and_date
    )

    if has_entrypoints:
        return dict(use_scm_version=config)
    else:
        from setuptools_scm import get_version

        return dict(version=get_version(root=here, parse=parse, **config))


with open("README.rst") as fp:
    long_description = fp.read()


arguments = dict(
    name="setuptools_scm",
    url="https://github.com/pypa/setuptools_scm/",
    zip_safe=True,
    author="Ronny Pfannschmidt",
    author_email="opensource@ronnypfannschmidt.de",
    description=("the blessed package to manage your versions by scm tags"),
    long_description=long_description,
    license="MIT",
    packages=["setuptools_scm"],
    package_dir={"": "src"},
    entry_points="""
        [distutils.setup_keywords]
        use_scm_version = setuptools_scm.integration:version_keyword

        [setuptools.file_finders]
        setuptools_scm = setuptools_scm.integration:find_files

        [setuptools_scm.parse_scm]
        .hg = setuptools_scm.hg:parse
        .git = setuptools_scm.git:parse

        [setuptools_scm.parse_scm_fallback]
        .hg_archival.txt = setuptools_scm.hg:parse_archival
        PKG-INFO = setuptools_scm.hacks:parse_pkginfo
        pip-egg-info = setuptools_scm.hacks:parse_pip_egg_info
        setup.py = setuptools_scm.hacks:fallback_version

        [setuptools_scm.files_command]
        .hg = setuptools_scm.file_finder_hg:hg_find_files
        .git = setuptools_scm.file_finder_git:git_find_files

        [setuptools_scm.version_scheme]
        guess-next-dev = setuptools_scm.version:guess_next_dev_version
        post-release = setuptools_scm.version:postrelease_version
        python-simplified-semver = setuptools_scm.version:simplified_semver_version

        [setuptools_scm.local_scheme]
        node-and-date = setuptools_scm.version:get_local_node_and_date
        node-and-timestamp = \
        setuptools_scm.version:get_local_node_and_timestamp
        dirty-tag = setuptools_scm.version:get_local_dirty_tag
    """,
    classifiers=[
        "Development Status :: 4 - Beta",
        "Intended Audience :: Developers",
        "License :: OSI Approved :: MIT License",
        "Programming Language :: Python",
        "Programming Language :: Python :: 2",
        "Programming Language :: Python :: 3",
        "Programming Language :: Python :: 2.7",
        "Programming Language :: Python :: 3.4",
        "Programming Language :: Python :: 3.5",
        "Programming Language :: Python :: 3.6",
        "Programming Language :: Python :: 3.7",
        "Topic :: Software Development :: Libraries",
        "Topic :: Software Development :: Version Control",
        "Topic :: System :: Software Distribution",
        "Topic :: Utilities",
    ],
    python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
)

if __name__ == "__main__":
    arguments.update(scm_config())
    setuptools.setup(**arguments)