Moved the metadata into PEP 621-compliant pyproject.toml.

pyproject.toml

@@ -0,0 +1,38 @@
+[build-system]
+requires = ["setuptools>=61.2", "wheel", "setuptools_scm[toml]>=3.4.3"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "sre-tools"
+authors = [{email = "[email protected]"}]
+license = {text = "Apache-2.0"}
+description = "Tools for manupulating sre_parse data structures"
+classifiers = [
+    "Environment :: Console",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "Intended Audience :: System Administrators",
+    "License :: OSI Approved :: Apache Software License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3.6",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Topic :: Security",
+    "Development Status :: 4 - Beta",
+]
+urls = {Homepage = "https://github.com/jayvdb/sre-tools"}
+requires-python = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*"
+dynamic = ["version"]
+
+[tool.distutils.bdist_wheel]
+universal = 1
+
+[tool.setuptools]
+include-package-data = false
+
+[tool.setuptools.packages.find]
+exclude = ["tests", "tests.*",]
+namespaces = false
+
+[tool.setuptools_scm]