Add pyproject.toml

pyproject.toml

+[build-system]
+build-backend = 'mesonpy'
+requires = [
+  'meson-python',
+]
+
+[project]
+name = 'usadelndsoc'
+dynamic = [
+  'version',
+]
+description = 'Usadel equation solver in 2D with SOC'
+readme = 'README.md'
+license = { file = 'COPYING.txt' }
+authors = [
+  { name = 'Pauli Virtanen', email = 'pauli.t.virtanen@jyu.fi' },
+]
+classifiers = [
+  'Development Status :: 4 - Beta',
+  'Programming Language :: Python',
+]
+requires-python = '>=3.7'
+dependencies = [
+  'scipy >= 1.0.0',
+  'numpy >= 1.19.0',
+]
+
+[project.optional-dependencies]
+test = [
+  'pytest >= 3'
+]

usadelndsoc/meson.build

@@ -3,4 +3,10 @@ py3.extension_module(
   ['../src/core.cpp'],
   dependencies : deps + [numpy_dep, py3_dep, pybind11_dep],
   install : true,
+  subdir : 'usadelndsoc',
+)
+
+py3.install_sources(
+  ['__init__.py', 'matsubara.py'],
+  subdir : 'usadelndsoc',
 )