move to hatch-based build

MANIFEST.in

@@ -1,2 +0,0 @@
-include README.md
-include LICENSE.md

meanas/LICENSE.md

@@ -0,0 +1 @@
+../LICENSE.md

meanas/README.md

@@ -0,0 +1 @@
+../README.md

meanas/VERSION.py

@@ -1,4 +0,0 @@
-""" VERSION defintion. THIS FILE IS MANUALLY PARSED BY setup.py and REQUIRES A SPECIFIC FORMAT """
-__version__ = '''
-0.7
-'''.strip()

meanas/__init__.py

@@ -6,13 +6,12 @@ See the readme or `import meanas; help(meanas)` for more info.
 
 import pathlib
 
-from .VERSION import __version__
-
+__version__ = '0.7'
 __author__ = 'Jan Petykiewicz'
 
 
 try:
-    with open(pathlib.Path(__file__).parent.parent / 'README.md', 'r') as f:
+    with open(pathlib.Path(__file__).parent / 'README.md', 'r') as f:
         __doc__ = f.read()
 except Exception:
     pass

pyproject.toml

@@ -0,0 +1,53 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "meanas"
+description = "Electromagnetic simulation tools"
+readme = "README.md"
+license = { file = "LICENSE.md" }
+authors = [
+    { name="Jan Petykiewicz", email="jan@mpxd.net" },
+    ]
+homepage = "https://mpxd.net/code/jan/meanas"
+repository = "https://mpxd.net/code/jan/meanas"
+keywords = [
+    "electromagnetic",
+    "photonics",
+    "simulation",
+    "FDTD",
+    "FDFD",
+    "finite",
+    "difference",
+    "Bloch",
+    "EME",
+    "mode",
+    "solver",
+    ]
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: GNU Affero General Public License v3",
+    "Topic :: Scientific/Engineering :: Physics",
+    ]
+requires-python = ">=3.8"
+include = [
+    "LICENSE.md"
+    ]
+dynamic = ["version"]
+dependencies = [
+    "numpy~=1.21",
+    "scipy",
+    ]
+
+
+[tool.hatch.version]
+path = "meanas/__init__.py"
+
+[project.optional-dependencies]
+dev = ["pytest", "pdoc", "gridlock"]
+examples = ["gridlock"]
+test = ["pytest"]

setup.py

@@ -1,45 +0,0 @@
-#!/usr/bin/env python3
-
-from setuptools import setup, find_packages
-
-
-with open('README.md', 'r') as f:
-    long_description = f.read()
-
-with open('meanas/VERSION.py', 'rt') as f:
-    version = f.readlines()[2].strip()
-
-setup(name='meanas',
-      version=version,
-      description='Electromagnetic simulation tools',
-      long_description=long_description,
-      long_description_content_type='text/markdown',
-      author='Jan Petykiewicz',
-      author_email='jan@mpxd.net',
-      url='https://mpxd.net/code/jan/meanas',
-      packages=find_packages(),
-      package_data={
-          'meanas': ['py.typed']
-      },
-      install_requires=[
-            'numpy',
-            'scipy',
-      ],
-      extras_require={
-            'test': [
-                'pytest',
-                'dataclasses',
-                ],
-            'examples': [
-                'gridlock',
-                ],
-      },
-      classifiers=[
-            'Programming Language :: Python :: 3',
-            'Development Status :: 4 - Beta',
-            'Intended Audience :: Developers',
-            'Intended Audience :: Science/Research',
-            'License :: OSI Approved :: GNU Affero General Public License v3',
-            'Topic :: Scientific/Engineering :: Physics',
-      ],
-      )