Follow modern python packaging and conf practices

* Add PEP 517/518 pyproject.toml file
* Add setuptools_scm to handle versioning
* Add setup.py content to setup.cfg
* Update setup.py to act as a shim (so pip install -e works)

Addresses: #2

Signed-off-by: Steven Esser <[email protected]>

configure

@@ -34,7 +34,7 @@ function setup {
 
 setup
 
-$CONFIGURE_ROOT_DIR/tmp/bin/pip install -r requirements-tests.txt -e .
+$CONFIGURE_ROOT_DIR/tmp/bin/pip install -e .[testing]
 
 if [ -f "$CONFIGURE_ROOT_DIR/tmp/bin/activate" ]; then
     source "$CONFIGURE_ROOT_DIR/tmp/bin/activate"

pyproject.toml

@@ -0,0 +1,46 @@
+[build-system]
+requires = ["setuptools >= 50", "wheel", "setuptools_scm[toml] >= 4"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]
+
+[tool.pytest.ini_options]
+norecursedirs = [
+   ".git",
+   "bin",
+   "dist",
+   "build",
+   "_build",
+   "dist",
+   "etc",
+   "local",
+   "ci",
+   "docs",
+   "man",
+   "share",
+   "samples",
+   ".cache",
+   ".settings",
+   "Include",
+   "include",
+   "Lib",
+   "lib",
+   "lib64",
+   "Lib64",
+   "Scripts",
+   "thirdparty",
+   "tmp",
+   "tests/data",
+   ".eggs"
+]
+
+python_files = "*.py"
+
+python_classes="Test"
+python_functions="test"
+
+addopts = [
+    "-rfExXw",
+    "--strict",
+    "--doctest-modules"
+]

setup.cfg

@@ -2,49 +2,36 @@
 universal=1
 
 [metadata]
-license_files =
-    README.rst
-    CHANGELOG.rst
-    apache-2.0.LICENSE
-    bsd-new.LICENSE
-    mit.LICENSE
-    NOTICE
+license_file = apache-2.0.LICENSE
+name = skeleton
+author = nexB. Inc. and others
+author_email = [email protected]
+description = skeleton
+long_description = file:README.rst
+url = https://github.com/nexB/skeleton
+classifiers =
+	Development Status :: 5 - Production/Stable
+	Intended Audience :: Developers
+	Programming Language :: Python :: 3
+	Programming Language :: Python :: 3 :: Only
+    Topic :: Software Development
+    Topic :: Utilities
+keywords = 
 
-[tool:pytest]
-norecursedirs =
-    .git
-    bin
-    dist
-    build
-    _build
-    dist
-    etc
-    local
-    ci
-    docs
-    man
-    share
-    samples
-    .cache
-    .settings
-    Include
-    include
-    Lib
-    lib
-    lib64
-    Lib64
-    Scripts
-    thirdparty
-    tmp
-    tests/data
+[options]
+package_dir=
+    =src
+packages=find:
+include_package_data = true
+zip_safe = false
+install_requires =
+setup_requires = setuptools_scm[toml] >= 4
 
-python_files = *.py
+[options.packages.find]
+where=src
 
-python_classes=Test
-python_functions=test
-
-addopts =
-    -rfExXw
-    --strict
-    --ignore setup.py
-    --doctest-modules
+[options.extras_require]
+testing =
+	# upstream
+	pytest >= 6
+    pytest-xdist >= 2

setup.py

@@ -1,124 +1,6 @@
 #!/usr/bin/env python
-# -*- encoding: utf-8 -*-
 
-from __future__ import absolute_import
-from __future__ import print_function
+import setuptools
 
-import io
-from glob import glob
-from os.path import basename
-from os.path import dirname
-from os.path import join
-from os.path import splitext
-import re
-import sys
-
-from setuptools import find_packages
-from setuptools import setup
-
-version = '0.0.0'
-
-#### Small hack to force using a plain version number if the option
-#### --plain-version is passed to setup.py
-
-USE_DEFAULT_VERSION = False
-try:
-    sys.argv.remove('--use-default-version')
-    USE_DEFAULT_VERSION = True
-except ValueError:
-    pass
-####
-
-
-def get_version(default=version, template='{tag}.{distance}.{commit}{dirty}',
-                use_default=USE_DEFAULT_VERSION):
-    """
-    Return a version collected from git if possible or fall back to an
-    hard-coded default version otherwise. If `use_default` is True,
-    always use the default version.
-    """
-    if use_default:
-        return default
-    try:
-        tag, distance, commit, dirty = get_git_version()
-        if not distance and not dirty:
-            # we are from a clean Git tag: use tag
-            return tag
-
-        distance = 'post{}'.format(distance)
-        if dirty:
-            time_stamp = get_time_stamp()
-            dirty = '.dirty.' + get_time_stamp()
-        else:
-            dirty = ''
-
-        return template.format(**locals())
-    except:
-        # no git data: use default version
-        return default
-
-
-def get_time_stamp():
-    """
-    Return a numeric UTC time stamp without microseconds.
-    """
-    from datetime import datetime
-    return (datetime.isoformat(datetime.utcnow()).split('.')[0]
-            .replace('T', '').replace(':', '').replace('-', ''))
-
-
-def get_git_version():
-    """
-    Return version parts from Git or raise an exception.
-    """
-    from subprocess import check_output, STDOUT
-    # this may fail with exceptions
-    cmd = 'git', 'describe', '--tags', '--long', '--dirty',
-    version = check_output(cmd, stderr=STDOUT).strip()
-    dirty = version.endswith('-dirty')
-    tag, distance, commit = version.split('-')[:3]
-    # lower tag and strip V prefix in tags
-    tag = tag.lower().lstrip('v ').strip()
-    # strip leading g from git describe commit
-    commit = commit.lstrip('g').strip()
-    return tag, int(distance), commit, dirty
-
-
-def read(*names, **kwargs):
-    return io.open(
-        join(dirname(__file__), *names),
-        encoding=kwargs.get('encoding', 'utf8')
-    ).read()
-
-
-setup(
-    name='',
-    version=get_version(),
-    license='Apache-2.0',
-    description='',
-    long_description=read('README.rst'),
-    author='nexB. Inc. and others',
-    author_email='[email protected]',
-    url='',
-    packages=find_packages('src'),
-    package_dir={'': 'src'},
-    py_modules=[splitext(basename(path))[0] for path in glob('src/*.py')],
-    include_package_data=True,
-    zip_safe=False,
-    classifiers=[
-        # complete classifier list: http://pypi.python.org/pypi?%3Aaction=list_classifiers
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Topic :: Software Development',
-        'Topic :: Utilities',
-    ],
-    keywords=[
-    ],
-    install_requires=[
-    ]
-)
+if __name__ == "__main__":
+    setuptools.setup()