add new package : py-s3cmd (#14166)

* add new package : py-s3cmd

* add some depends and move depends behind the version

var/spack/repos/builtin/packages/py-s3cmd/package.py

@@ -0,0 +1,31 @@
+# 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 PyS3cmd(PythonPackage):
+    """
+    S3cmd (s3cmd) is a free command line tool and client for uploading,
+    retrieving and managing data in Amazon S3 and other cloud storage
+    service providers that use the S3 protocol, such as Google Cloud
+    Storage or DreamHost DreamObjects. It is best suited for power
+    users who are familiar with command line programs.
+    """
+
+    homepage = "https://github.com/s3tools/s3cmd"
+    url      = "https://github.com/s3tools/s3cmd/releases/download/v2.0.2/s3cmd-2.0.2.tar.gz"
+
+    version('2.0.2', sha256='9f244c0c10d58d0ccacbba3aa977463e32491bdd9d95109e27b67e4d46c5bd52')
+    version('2.0.1', sha256='caf09f1473301c442fba6431c983c361c9af8bde503dac0953f0d2f8f2c53c8f')
+    version('2.0.0', sha256='bf2a50802f1031cba83e99be488965803899d8ab0228c800c833b55c7269cd48')
+    version('1.6.1', sha256='4675794f84d8744ee3d35873d180f41c7b2116895ccbe2738a9bc552e1cf214e')
+    version('1.6.0', sha256='04279ee26c661d4b740449460ed93a74ffec91616f685474beea97e930fdfa5c')
+    version('1.5.2', sha256='ff8a6764e8bdd7ed48a93e51b08222bea33469d248a90b8d25315b023717b42d')
+
+    depends_on('py-setuptools', type='build')
+    depends_on('python@2.6:+pyexpat', type=('build', 'run'))
+    depends_on('py-python-dateutil', type=('build', 'run'))
+    depends_on('py-python-magic', type=('build', 'run'))