From f6b0f52fb296a8907f66b975e3c658b08258e86e Mon Sep 17 00:00:00 2001
From: "Tomoki, Karatsu" <49965247+t-karatsu@users.noreply.github.com>
Date: Tue, 23 Feb 2021 01:32:39 +0900
Subject: py-dask-ml: add new package. (#21831)

* py-dask-ml: add new package.

* Modified to PythonPackage.

* Remove test-related dependencies.

* Changed to execute docs build after install.
---
 .../repos/builtin/packages/py-dask-ml/package.py   | 65 ++++++++++++++++++++++
 .../packages/py-dask-ml/xgboost_dependency.patch   | 23 ++++++++
 2 files changed, 88 insertions(+)
 create mode 100644 var/spack/repos/builtin/packages/py-dask-ml/package.py
 create mode 100644 var/spack/repos/builtin/packages/py-dask-ml/xgboost_dependency.patch

diff --git a/var/spack/repos/builtin/packages/py-dask-ml/package.py b/var/spack/repos/builtin/packages/py-dask-ml/package.py
new file mode 100644
index 0000000000..6662eabe9c
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-dask-ml/package.py
@@ -0,0 +1,65 @@
+# Copyright 2013-2020 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 PyDaskMl(PythonPackage):
+    """Scalable Machine Learning with Dask."""
+
+    homepage = "https://ml.dask.org/"
+    pypi     = "dask-ml/dask-ml-1.8.0.tar.gz"
+
+    version('1.8.0', sha256='8fc4ac3ec1915e382fb8cae9ff1ec9b5ac1bee0b6f4c6975d6e6cb7191a4a815')
+
+    variant('docs', default=False, description='Build HTML documentation')
+    variant('xgboost', default=False, description='Deploys XGBoost alongside Dask')
+
+    depends_on('python@3.6:', type=('build', 'run'))
+
+    depends_on('py-setuptools', type='build')
+    depends_on('py-setuptools-scm', type='build')
+
+    depends_on('py-dask+array+dataframe@2.4.0:', type=('build', 'run'))
+    depends_on('py-distributed@2.4.0:', type=('build', 'run'))
+    depends_on('py-numba', type=('build', 'run'))
+    depends_on('py-numpy@1.17.3:', type=('build', 'run'))
+    depends_on('py-pandas@0.24.2:', type=('build', 'run'))
+    depends_on('py-scikit-learn@0.23:', type=('build', 'run'))
+    depends_on('py-scipy', type=('build', 'run'))
+    depends_on('py-dask-glm@0.2.0:', type=('build', 'run'))
+    depends_on('py-multipledispatch@0.4.9:', type=('build', 'run'))
+    depends_on('py-packaging', type=('build', 'run'))
+
+    depends_on('py-graphviz', type=('build', 'run'), when='+docs')
+    depends_on('py-heapdict', type=('build', 'run'), when='+docs')
+    depends_on('py-ipykernel', type=('build', 'run'), when='+docs')
+    depends_on('py-ipython', type=('build', 'run'), when='+docs')
+    depends_on('py-nbsphinx', type=('build', 'run'), when='+docs')
+    depends_on('py-nose', type=('build', 'run'), when='+docs')
+    depends_on('py-numpydoc', type=('build', 'run'), when='+docs')
+    depends_on('py-sortedcontainers', type=('build', 'run'), when='+docs')
+    depends_on('py-sphinx', type=('build', 'run'), when='+docs')
+    depends_on('py-sphinx-rtd-theme', type=('build', 'run'), when='+docs')
+    depends_on('py-sphinx-gallery', type=('build', 'run'), when='+docs')
+    depends_on('py-testpath', type=('build', 'run'), when='+docs')
+    depends_on('py-tornado', type=('build', 'run'), when='+docs')
+    depends_on('py-zict', type=('build', 'run'), when='+docs')
+    depends_on('py-dask-sphinx-theme@1.1.0:', type=('build', 'run'), when='+docs')
+    depends_on('py-nbsphinx', type=('build', 'run'), when='+docs')
+
+    depends_on('py-xgboost+dask', type=('build', 'run'), when='+docs')
+    depends_on('py-xgboost+dask', type=('build', 'run'), when='+xgboost')
+
+    patch('xgboost_dependency.patch')
+
+    conflicts('+docs', when='%gcc target=aarch64:')
+
+    @run_after('install')
+    def install_docs(self):
+        if '+docs' in self.spec:
+            with working_dir('docs'):
+                make('html')
+            install_tree('docs', self.prefix.docs)
diff --git a/var/spack/repos/builtin/packages/py-dask-ml/xgboost_dependency.patch b/var/spack/repos/builtin/packages/py-dask-ml/xgboost_dependency.patch
new file mode 100644
index 0000000000..39fa59c943
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-dask-ml/xgboost_dependency.patch
@@ -0,0 +1,23 @@
+diff --git a/dask_ml/xgboost.py b/dask_ml/xgboost.py
+index 86e841db..70551df7 100644
+--- a/dask_ml/xgboost.py
++++ b/dask_ml/xgboost.py
+@@ -4,4 +4,4 @@ This may be used for training an XGBoost model on a cluster. XGBoost
+ will be setup in distributed mode alongside your existing
+ ``dask.distributed`` cluster.
+ """
+-from dask_xgboost import *  # noqa
++from xgboost import *  # noqa
+diff --git a/setup.py b/setup.py
+index 857f6911..fb280973 100644
+--- a/setup.py
++++ b/setup.py
+@@ -35,7 +35,7 @@ test_requires = [
+     "pytest-mock",
+ ]
+ dev_requires = doc_requires + test_requires
+-xgboost_requires = ["dask-xgboost", "xgboost"]
++xgboost_requires = ["xgboost[dask]"]
+ complete_requires = xgboost_requires
+ 
+ extras_require = {
-- 
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