src folder and pyproject packaging

.gitignore

@@ -2,3 +2,8 @@
 __pycache__
 plot_settings.pkl
 *.egg-info
+
+# local version file
+src/_version.py
+
+build/

pyproject.toml

@@ -1,2 +1,57 @@
 [build-system]
-requires = ["setuptools", "wheel"]
+requires = ["setuptools >= 65.4.0", "setuptools_scm[toml]>=7.0.5"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "openmc_plotter"
+authors = [
+  { name="OpenMC Development Team", email="openmc@anl.gov" },
+]
+
+license = {file = "LICENSE"}
+description = "Native plotting GUI for model design and verification"
+readme = "README.md"
+requires-python = ">=3.6"
+keywords = ["openmc", "plotter"]
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+    "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",
+]
+dependencies = [
+    "numpy",
+    "matplotlib",
+    "PySide2",
+]
+dynamic = ["version"]
+
+[tool.setuptools.package-data]
+myModule = ["assets/*.png"]
+
+[tool.setuptools_scm]
+write_to = "src/_version.py"
+
+
+[project.optional-dependencies]
+test = [
+    "pytest",
+    "pytest-qt"
+]
+vtk = [
+    "vtk"
+]
+
+[project.urls]
+"Homepage" = "https://github.com/openmc-dev/plotter"
+"Bug Tracker" = "https://github.com/openmc-dev/plotter/issues"
+
+[tool.setuptools]
+package-dir = {"" = "src"}
+
+[project.scripts]
+openmc_geometry_plot = "openmc_plotter.__main__:main"

src/openmc_plotter/__init__.py

@@ -0,0 +1,14 @@
+try:
+    # this works for python 3.8 and higher
+    from importlib.metadata import version, PackageNotFoundError
+except (ModuleNotFoundError, ImportError):
+    # this works for python 3.7 and lower
+    from importlib_metadata import version, PackageNotFoundError
+try:
+    __version__ = version("openmc_plotter")
+except PackageNotFoundError:
+    from setuptools_scm import get_version
+
+    __version__ = get_version(root="..", relative_to=__file__)
+
+__all__ = ["__version__"]