py-colorcet: add new package (#31597)

* py-colorcet: add new package

* style

* py-colorcet: depend on python 2.7:

* address pr review comments

* address pr review comments

* style

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

@@ -0,0 +1,24 @@
+# Copyright 2013-2022 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.package import *
+
+
+class PyColorcet(PythonPackage):
+    """A collection of perceptually acccurate 256-color colormaps for use with
+    Python plotting programs like Bokeh, Matplotlib, HoloViews, and Datashader."""
+
+    homepage = "https://colorcet.holoviz.org/index.html"
+    pypi = "colorcet/colorcet-3.0.0.tar.gz"
+
+    maintainers = ["vvolkl"]
+
+    version("3.0.0", sha256="21c522346a7aa81a603729f2996c22ac3f7822f4c8c303c59761e27d2dfcf3db")
+
+    depends_on("python@2.7:", type=("build", "run"))
+    depends_on("py-setuptools@30.3.0:", type="build")
+    depends_on("py-param@1.7.0:", type=("build", "run"))
+    depends_on("py-pyct@0.4.4:", type=("build", "run"))

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

@@ -0,0 +1,21 @@
+# Copyright 2013-2022 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.package import *
+
+
+class PyPyct(PythonPackage):
+    """Python package common tasks for users (e.g. copy examples, fetch data, ...)"""
+
+    pypi = "pyct/pyct-0.4.8.tar.gz"
+
+    maintainers = ["vvolkl"]
+
+    version("0.4.8", sha256="23d7525b5a1567535c093aea4b9c33809415aa5f018dd77f6eb738b1226df6f7")
+
+    depends_on("python@2.7:", type=("build", "run"))
+    depends_on("py-setuptools@30.3.0:", type="build")
+    depends_on("py-param@1.7.0:", type=("build", "run"))