75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
# Copyright 2013-2022 Lawrence Livermore National Security, LLC and other
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# Spack Project Developers. See the top-level COPYRIGHT file for details.
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#
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# SPDX-License-Identifier: (Apache-2.0 OR MIT)
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from spack.package import *
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class PyPynio(PythonPackage):
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"""PyNIO ("pie-nee-oh") is a Python module that allows read and/or
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write access to a variety of scientific data formats popular in
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climate and weather"""
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homepage = "https://www.pyngl.ucar.edu/Nio.shtml"
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url = "https://github.com/NCAR/pynio/archive/1.5.4.tar.gz"
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version("1.5.4", sha256="e5bb57d902740d25e4781a9f89e888149f55f2ffe60f9a5ad71069f017c89e1a")
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variant("hdf5", default=False, description="Include HDF5 support")
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variant("gdal", default=False, description="Include GDAL support")
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# The setup.py claims it requires these abolutely.
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depends_on("libpng")
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depends_on("jpeg")
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depends_on("zlib")
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# Spack does not currently have netcdf below 4.x, and 3.x is a
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# fundamentally different format. So, currently this is only providing
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# support for netcdf4.
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depends_on("netcdf-c@3.6.0:")
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# Turning on the hdf (i.e. hdf4) dependency causes it not to build, with
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# compile errors that (weirdly) relate to the declarations of HDF5.
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# Very odd, so I have put it in as a comment, for some brave soul to take
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# on later.
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# depends_on('hdf', when='+hdf4')
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# This one works, though.
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depends_on("hdf5", when="+hdf5")
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# Turning on the GDAL dependency apparently forces it to link with
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# -ljasper, meaning that really it depends on gdal+jasper. In my view
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# it should not need this unless one were specifically using PyNio to
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# use GDAL to read JPEG-2000 files, but it seems to be hard-wired
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# in PyNio's setup.py.
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depends_on("gdal+jasper", when="+gdal")
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# I have left off a few other optional dependencies, as they are not yet
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# in Spack. HDFEOS, HDFEOS5, GRIB. See the pynio setup.py for details.
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# pip silently replaces distutils with setuptools
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depends_on("py-setuptools", type="build")
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depends_on("py-numpy", type=("build", "run"))
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def setup_build_environment(self, env):
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"""
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These environment variables are how the setup.py knows which options
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to turn on, and how to find them.
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"""
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env.set("F2CLIBS", "gfortran")
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env.set("HAS_NETCDF4", "1")
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env.set("NETCDF4_PREFIX", self.spec["netcdf-c"].prefix)
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if "+hdf5" in self.spec:
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env.set("HAS_HDF5", "1")
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env.set("HDF5_PREFIX", self.spec["hdf5"].prefix)
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if "+gdal" in self.spec:
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env.set("HAS_GDAL", "1")
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env.set("GDAL_PREFIX", self.spec["gdal"].prefix)
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# This one is trouble - see comments above.
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# if '+hdf4' in self.spec:
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# env.set('HAS_HDF4', '1')
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# env.set('HDF4_PREFIX', self.spec['hdf'].prefix)
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