py-argparse-dataclass: add new package (#42494)

* py-argparse-dataclass: add new package

* Remove obvious dependency

var/spack/repos/builtin/packages/py-argparse-dataclass/package.py

@@ -0,0 +1,20 @@
+# Copyright 2013-2024 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+
+from spack.package import *
+
+
+class PyArgparseDataclass(PythonPackage):
+    """An immutable mapping type for Python."""
+
+    homepage = "https://github.com/mivade/argparse_dataclass"
+    pypi = "argparse_dataclass/argparse_dataclass-2.0.0.tar.gz"
+
+    license("MIT")
+
+    version("2.0.0", sha256="09ab641c914a2f12882337b9c3e5086196dbf2ee6bf0ef67895c74002cc9297f")
+
+    depends_on("py-setuptools", type="build")