py-subword-nmt (#37161)

* "new py-subword-nmt package"

* [@spackbot] updating style on behalf of Sangu-Mbekelu

* Update package.py

updating package based on review

* [@spackbot] updating style on behalf of Sangu-Mbekelu

---------

Co-authored-by: Sangu Mbekelu <s.mbekelu9@gmail.com>

var/spack/repos/builtin/packages/py-subword-nmt/package.py

@@ -0,0 +1,19 @@
+# Copyright 2013-2023 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 PySubwordNmt(PythonPackage):
+    """This repository contains preprocessing scripts to segment text into
+    subword units."""
+
+    # pypi only has the whl file.
+    homepage = "https://github.com/joeynmt/joeynmt"
+    url = "https://github.com/rsennrich/subword-nmt/archive/refs/tags/v0.3.7.zip"
+
+    version("0.3.7", sha256="5c3eafe8d85d872a3bbde722b130fb25db19cc7942561936bfae26b6daf51ba0")
+
+    depends_on("py-setuptools", type="build")