setup.cfg: migrate package metadata to cfg file

and add pyproject.toml for PEP-517 builders

MANIFEST.in

-include LICENSE
+include LICENSE README.md
 recursive-include config *.conf *.conf.py *.ini *.service
 recursive-include debian *
 recursive-include tests *

pyproject.toml

+[build-system]
+requires = [
+    "setuptools>=42",
+    "wheel",
+]
+build-backend = "setuptools.build_meta"
+
+[tool.coverage.run]
+source = ["gwdatafind_server"]
+
+[tool.pytest.ini_options]
+addopts = "-r a"
+filterwarnings = [
+	"error",
+]

setup.cfg

+; -- build
+
 [metadata]
+name = gwdatafind-server
+version = attr: gwdatafind_server.__version__
+author = Duncan Meacher
+author_email = duncan.meacher@ligo.org
+license = GPL-3.0-or-later
 license_files = LICENSE
+description = The server library for the GWDataFind service
+long_description = file: README.md
+long_description_content_type = text/markdown
+url = https://git.ligo.org/computing/gwdatafind/server
+classifiers =
+	License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)
+	Natural Language :: English
+	Operating System :: Unix
+	Programming Language :: Python
+	Programming Language :: Python :: 3
+	Programming Language :: Python :: 3.6
+	Programming Language :: Python :: 3.7
+	Programming Language :: Python :: 3.8
+	Programming Language :: Python :: 3.9
+	Programming Language :: Python :: 3.10
+	Topic :: Scientific/Engineering
+	Topic :: Scientific/Engineering :: Astronomy
+	Topic :: Scientific/Engineering :: Physics
+project_urls =
+	Bug Tracker = https://git.ligo.org/computing/gwdatafind/server/-/issues
+	Documentation = https://computing.docs.ligo.org/gwdatafind/server/
+	Source Code = https://git.ligo.org/computing/gwdatafind/server
+
+[options]
+packages = find:
+python_version = >=3.6
+install_requires =
+	configobj
+	flask >= 1.0.0
+	ligo-segments
+	scitokens
+
+[options.extras_require]
+test =
+	pytest
+docs =
+	mkdocs
+
+; -- tools
 
 [flake8]
 exclude =

setup.py

 # -*- coding: utf-8 -*-
-# Copyright (2019) Cardiff University
+# Copyright (2022) Cardiff University
 # Licensed under GPLv3+ - see LICENSE
 
-import re
-from pathlib import Path
+__author__ = "Duncan Macleod <duncan.macleod@ligo.org>"
 
-from setuptools import (setup, find_packages)
+from setuptools import setup
 
-
-# -- utilities ----------------------------------
-
-def find_version(path):
-    """Parse the __version__ metadata in the given file.
-    """
-    with Path(path).open("r") as fp:
-        version_file = fp.read()
-    version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]",
-                              version_file, re.M)
-    if version_match:
-        return version_match.group(1)
-    raise RuntimeError("Unable to find version string.")
-
-
-# -- dependencies -------------------------------
-
-install_requires = [
-    "setuptools",
-    "flask >= 1.0.0",
-    "configobj",
-    "ligo-segments",
-    "scitokens",
-]
-
-# -- setup --------------------------------------
-
-setup(
-    # metadata
-    name="gwdatafind-server",
-    version=find_version(Path("gwdatafind_server") / "__init__.py"),
-    author="Duncan Macleod",
-    author_email="duncan.macleod@ligo.org",
-    description="The server library for the GWDataFind service",
-    license="GPLv3",
-    long_description=open("README.md", "r").read(),
-    long_description_content_type="text/markdown",
-    url="https://git.ligo.org/gwdatafind/gwdatafind-server",
-    classifiers=[
-        "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
-        "Natural Language :: English",
-        "Operating System :: Unix",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
-        "Topic :: Scientific/Engineering",
-        "Topic :: Scientific/Engineering :: Astronomy",
-        "Topic :: Scientific/Engineering :: Physics",
-    ],
-    # dependencies
-    install_requires=install_requires,
-    # content
-    packages=find_packages(),
-    include_package_data=True,
-)
+setup()