New package: py-mmcv (#16536)

* [py-mmcv] Created template

* [py-mmcv] added description and homepage

* [py-mmcv] requires python 3.6+

* [py-mmcv] added dependencies

* [py-mmcv] depends on opencv

* [py-mmcv] cleaned up fixmes

* [py-mmcv] requires numpy >= 1.11.1

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

@@ -0,0 +1,24 @@
+# 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 PyMmcv(PythonPackage):
+    """MMCV is a foundational python library for computer
+    vision research and supports many research projects in
+    MMLAB, such as MMDetection and MMAction."""
+
+    homepage = "https://mmcv.readthedocs.io/en/latest/"
+    url      = "https://github.com/open-mmlab/mmcv/archive/v0.5.1.tar.gz"
+
+    version('0.5.1', sha256='7c5ad30d9b61e44019e81ef46c406aa85dd08b5d0ba12ddd5cdc9c445835a55e')
+
+    depends_on('python@3.6:', type=('build', 'run'))
+    depends_on('py-addict', type=('build', 'run'))
+    depends_on('py-numpy@1.11.1:', type=('build', 'run'))
+    depends_on('py-pyyaml', type=('build', 'run'))
+    depends_on('opencv+python', type=('build', 'run'))
+    depends_on('py-cython', type='build')