py-pysmiles: new package (spack#1932)

---------

Co-authored-by: Adam <[email protected]>

Author: adamwitmer

repos/spack_repo/builtin/packages/py_pysmiles/package.py

@@ -0,0 +1,23 @@
+# Copyright Spack Project Developers. See COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack_repo.builtin.build_systems.python import PythonPackage
+
+from spack.package import *
+
+
+class PyPysmiles(PythonPackage):
+    """A lightweight Python-only library for reading and writing SMILES strings."""
+
+    homepage = "https://github.com/pckroon/pysmiles"
+    pypi = "pysmiles/pysmiles-2.0.0.tar.gz"
+
+    license("Apache-2.0")
+    maintainers("adamwitmer")
+
+    version("2.0.0", sha256="9bd1da9bf172fc79f71d647d21bbba34178702c664ae0778e59b4d4d149cbe4d")
+
+    depends_on("py-networkx", type=("build", "run"))
+    depends_on("[email protected]:", type="build")
+    depends_on("py-pbr", type=("build", "run"))