Move package metadata to setup.cfg

Instead of relying on setup.py, use setup.cfg.

Dev/doc requirements have been moved there as well, under the `doc` and
`dev` extras.

8 files changed, 64 insertions, 95 deletions

diff --git a/Makefile b/Makefile
index c94363c..811d72a 100644
--- a/Makefile
+++ b/Makefile
@@ -27,7 +27,7 @@ clean:
 
 update:
 	pip install --upgrade pip setuptools
-	pip install --upgrade -r requirements_dev.txt
+	pip install --upgrade -e .[dev,doc]
 	pip freeze
 
 
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index e18794f..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-# No hard external requirements.
diff --git a/requirements_dev.txt b/requirements_dev.txt
deleted file mode 100644
index 741f337..0000000
--- a/requirements_dev.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-# Requirements for local development
--e .
--r requirements_test.txt
-
-Django>=1.11
-
-coverage
-wheel
-tox
-
-Sphinx
-sphinx_rtd_theme
-
-zest.releaser[recommended]
diff --git a/requirements_test.txt b/requirements_test.txt
deleted file mode 100644
index 35012df..0000000
--- a/requirements_test.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-# Common requirements for running tests
-check_manifest
-flake8
diff --git a/semantic_version/__init__.py b/semantic_version/__init__.py
index 3e3f789..1528bda 100644
--- a/semantic_version/__init__.py
+++ b/semantic_version/__init__.py
@@ -7,4 +7,12 @@ from .base import compare, match, validate, SimpleSpec, NpmSpec, Spec, SpecItem,
 
 
 __author__ = "Raphaël Barrois <raphael.barrois+semver@polytechnique.org>"
-__version__ = '2.8.6.dev0'
+try:
+    # Python 3.8+
+    from importlib.metadata import version
+
+    __version__ = version("semantic_version")
+except ImportError:
+    import pkg_resources
+
+    __version__ = pkg_resources.get_distribution("semantic_version").version
diff --git a/setup.cfg b/setup.cfg
index e6ff787..3e5e632 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,15 +1,60 @@
-[bdist_wheel]
-universal = 1
-
 [metadata]
+name = semantic_version
+version = 2.8.6.dev0
+description = A library implementing the 'SemVer' scheme.
+long_description = file: README.rst
+# https://docutils.sourceforge.io/FAQ.html#what-s-the-official-mime-type-for-restructuredtext-data
+long_description_content_type = text/x-rst
+author = Raphaël Barrois
+author_email = raphael.barrois+semver@polytechnique.org
+url = https://github.com/rbarrois/python-semanticversion
+keywords = semantic version, versioning, version
+license = BSD
 license_file = LICENSE
+classifiers =
+    Development Status :: 5 - Production/Stable
+    Intended Audience :: Developers
+    License :: OSI Approved :: BSD License
+    Topic :: Software Development :: Libraries :: Python Modules
+    Operating System :: OS Independent
+    Programming Language :: Python
+    Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.4
+    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Topic :: Software Development :: Libraries :: Python Modules
+
+[options]
+zip_safe = false
+packages = semantic_version
+python_requires = >= 2.7
+install_requires =
+
+[options.extras_require]
+dev =
+    Django>=1.11
+    # Runners
+    tox
+    # Quality
+    check_manifest
+    coverage
+    flake8
+    # Packaging
+    wheel
+    zest.releaser[recommended]
+
+doc =
+    Sphinx
+    sphinx_rtd_theme
+
+[bdist_wheel]
+universal = 1
 
 [zest.releaser]
 ; semver-style versions
 version-levels = 3
 
-; Version flag location (we use __version__)
-python-file-with-version = semantic_version/__init__.py
-
 [distutils]
 index-servers = pypi
diff --git a/setup.py b/setup.py
index 7ad8d5f..02a989b 100755
--- a/setup.py
+++ b/setup.py
@@ -3,71 +3,6 @@
 # Copyright (c) The python-semanticversion project
 
 
-import codecs
-import os
-import re
-
 from setuptools import setup
 
-root_dir = os.path.abspath(os.path.dirname(__file__))
-
-
-def get_version(package_name):
-    version_re = re.compile(r"^__version__ = [\"']([\w_.-]+)[\"']$")
-    package_components = package_name.split('.')
-    init_path = os.path.join(root_dir, *(package_components + ['__init__.py']))
-    with codecs.open(init_path, 'r', 'utf-8') as f:
-        for line in f:
-            match = version_re.match(line[:-1])
-            if match:
-                return match.groups()[0]
-    return '0.1.0'
-
-
-def clean_readme(fname):
-    """Cleanup README.rst for proper PyPI formatting."""
-    with codecs.open(fname, 'r', 'utf-8') as f:
-        return ''.join(
-            re.sub(r':\w+:`([^`]+?)( <[^<>]+>)?`', r'``\1``', line)
-            for line in f
-            if not (line.startswith('.. currentmodule') or line.startswith('.. toctree'))
-        )
-
-
-PACKAGE = 'semantic_version'
-
-
-setup(
-    name=PACKAGE,
-    version=get_version(PACKAGE),
-    author="Raphaël Barrois",
-    author_email="raphael.barrois+semver@polytechnique.org",
-    description="A library implementing the 'SemVer' scheme.",
-    long_description=clean_readme('README.rst'),
-    license='BSD',
-    keywords=['semantic version', 'versioning', 'version'],
-    url='https://github.com/rbarrois/python-semanticversion',
-    download_url='http://pypi.python.org/pypi/semantic_version/',
-    packages=['semantic_version'],
-    python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
-    setup_requires=[
-        'setuptools>=0.8',
-    ],
-    zip_safe=False,
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: BSD License',
-        'Topic :: Software Development :: Libraries :: Python Modules',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Topic :: Software Development :: Libraries :: Python Modules'
-    ],
-    test_suite='tests',
-)
+setup()
diff --git a/tox.ini b/tox.ini
index 2841dbb..d5cab59 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,8 +8,8 @@ envlist =
 toxworkdir = {env:TOX_WORKDIR:.tox}
 
 [testenv]
+extras = dev
 deps =
-    -rrequirements_test.txt
     django111: Django>=1.11,<1.12
     django22: Django>=2.2,<2.3
 
@@ -17,8 +17,7 @@ whitelist_externals = make
 commands = make test
 
 [testenv:lint]
-deps =
-    -rrequirements_test.txt
+extras = dev
 
 whitelist_externals = make
 commands = make lint