Add py-asdf package (#12817)

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

@@ -0,0 +1,26 @@
+# Copyright 2013-2019 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 import *
+
+
+class PyAsdf(PythonPackage):
+    """The Advanced Scientific Data Format (ASDF) is a next-generation
+    interchange format for scientific data. This package contains the Python
+    implementation of the ASDF Standard."""
+
+    homepage = "https://github.com/spacetelescope/asdf"
+    url      = "https://pypi.io/packages/source/a/asdf/asdf-2.4.2.tar.gz"
+
+    version('2.4.2', sha256='6ff3557190c6a33781dae3fd635a8edf0fa0c24c6aca27d8679af36408ea8ff2')
+
+    depends_on('python@3.3:', type=('build', 'run'))
+    depends_on('py-setuptools', type='build')
+    depends_on('py-setuptools-scm', type='build')
+    depends_on('py-semantic-version@2.3.1:2.6.0', type=('build', 'run'))
+    depends_on('py-pyyaml@3.10:', type=('build', 'run'))
+    depends_on('py-jsonschema@2.3:3.999', type=('build', 'run'))
+    depends_on('py-six@1.9.0:', type=('build', 'run'))
+    depends_on('py-numpy@1.8:', type=('build', 'run'))