py-fastpath: new package (#34142)

* py-fastpath: new package

* Update var/spack/repos/builtin/packages/py-fastpath/package.py

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

var/spack/repos/builtin/packages/py-fastpath/package.py

@@ -0,0 +1,21 @@
+# Copyright 2013-2022 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 PyFastpath(PythonPackage):
+    """Fastpath is a fast and lightweight tool for finding the shortest path in
+    a weighted graph. As input it only needs the starting node, the ending node,
+    and the weights of each node to node edge."""
+
+    homepage = "https://github.com/deprekate/fastpath"
+    pypi = "fastpath/fastpath-1.9.tar.gz"
+
+    version("1.9", sha256="3372d306a3c4e4e764b3995946132333726a229e9002879b9112779dd442b31a")
+
+    depends_on("python@3.5.3:", type=("build", "run"))
+    depends_on("py-setuptools", type="build")