Update how package gets version metadata

pigz_python/__init__.py

@@ -1,4 +1,7 @@
-""" Metadata about the Pigz Python package """
-__version__ = "1.0.1"
+"""Metadata about the Pigz Python package"""
+
+from importlib.metadata import version
+
+__version__ = version("pigz-python")
 
 from pigz_python.pigz_python import PigzFile, compress_file  # noqa

pyproject.toml

@@ -0,0 +1,37 @@
+[build-system]
+requires = ["setuptools>=61"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pigz-python"
+version = "2.0.0a0"
+description = "A pure Python implementation of the pigz utility."
+readme = "README.md"
+license = "MIT"
+requires-python = ">=3.9"
+authors = [
+    {name = "Ben Guise", email = "bguise135@gmail.com"},
+]
+maintainers = [
+    {name = "Ben Guise", email = "bguise135@gmail.com"},
+]
+keywords = ["zip", "gzip", "compression"]
+classifiers = [
+    "Development Status :: 3 - Alpha",
+    "Intended Audience :: End Users/Desktop",
+    "Intended Audience :: Developers",
+    "Intended Audience :: System Administrators",
+    "Topic :: Utilities",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
+]
+
+[project.urls]
+Homepage = "https://github.com/bguise987/pigz-python"
+Repository = "https://github.com/bguise987/pigz-python"
+

setup.cfg

@@ -1,2 +1,2 @@
 [metadata]
-description-file = README.md
+description_file = README.md