py-amqp: added new package (#13848)

* Add the py-amqp package

* Add the py-vine dependency.

* Add vine version and python dependency.

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

@@ -0,0 +1,22 @@
+# 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 PyAmqp(PythonPackage):
+    """Low-level AMQP client for Python (fork of amqplib)."""
+
+    homepage = "https://pypi.org/project/amqp/"
+    url      = "https://pypi.io/packages/source/a/amqp/amqp-2.4.1.tar.gz"
+
+    version('2.5.2', sha256='77f1aef9410698d20eaeac5b73a87817365f457a507d82edf292e12cbb83b08d')
+    version('2.4.2', sha256='043beb485774ca69718a35602089e524f87168268f0d1ae115f28b88d27f92d7')
+    version('2.4.1', sha256='6816eed27521293ee03aa9ace300a07215b11fee4e845588a9b863a7ba30addb')
+
+    depends_on('python@2.7:2.8,3.5:', type=('build', 'run'))
+
+    depends_on('py-setuptools', type='build')
+    depends_on('py-vine@1.1.3:4.999', type=('build', 'run'))