Moved the metadata into pyproject.toml.

pyproject.toml

@@ -1,5 +1,46 @@
 [build-system]
-requires = ["setuptools>=41.1", "wheel", "setuptools_scm[toml]>=3.4.3"]
+requires = ["setuptools>=61.2", "wheel", "setuptools_scm[toml]>=3.4.3"]
 build-backend = "setuptools.build_meta"
 
+[project]
+name = "xeger"
+authors = [{name = "Colm O'Connor", email = "[email protected]"}]
+license = {text = "BSD"}
+description = "A library for generating random strings from a valid regular expression."
+keywords = [
+    "regular",
+    "expressions",
+    "regexp",
+    "testing",
+    "random",
+    "generator",
+]
+readme = "README.rst"
+classifiers = [
+    "Development Status :: 3 - Alpha",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Topic :: Software Development :: Build Tools",
+    "Programming Language :: Python :: 2",
+    "Programming Language :: Python :: 2.6",
+    "Programming Language :: Python :: 2.7",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.1",
+    "Programming Language :: Python :: 3.2",
+    "Programming Language :: Python :: 3.3",
+    "Programming Language :: Python :: 3.4",
+    "Programming Language :: Python :: 3.5",
+    "Programming Language :: Python :: 3.6",
+]
+urls = {Homepage = "https://github.com/crdoconnor/xeger"}
+dynamic = ["version"]
+
+[tool.setuptools]
+zip-safe = false
+include-package-data = false
+
+[tool.setuptools.packages.find]
+exclude = ["docs"] # tests*
+namespaces = false
+
 [tool.setuptools_scm]