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# Copyright 2013-2023 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 PyNumcodecs(PythonPackage):
"""Numcodecs is a Python package providing buffer compression and
transformation codecs for use in data storage and communication
applications.
"""
homepage = "https://github.com/zarr-developers/numcodecs"
pypi = "numcodecs/numcodecs-0.6.4.tar.gz"
git = "https://github.com/zarr-developers/numcodecs.git"
# 'numcodecs.tests' excluded from 'import_modules' because it requires
# an additional dependency on 'pytest'
import_modules = ["numcodecs"]
version("master", branch="master", submodules=True)
version("0.11.0", sha256="6c058b321de84a1729299b0eae4d652b2e48ea1ca7f9df0da65cb13470e635eb")
version("0.7.3", sha256="022b12ad83eb623ec53f154859d49f6ec43b15c36052fa864eaf2d9ee786dd85")
version("0.6.4", sha256="ef4843d5db4d074e607e9b85156835c10d006afc10e175bda62ff5412fca6e4d")
variant("msgpack", default=False, description="Codec to encode data as msgpacked bytes.")
depends_on("python@3.8:", when="@0.11:", type=("build", "link", "run"))
depends_on("python@3.6:3", when="@0.7:0.10", type=("build", "link", "run"))
depends_on("py-setuptools@64:", when="@0.11:", type="build")
depends_on("py-setuptools@18.1:", type="build")
depends_on("py-setuptools-scm@6.2: +toml", when="@0.11:", type="build")
depends_on("py-setuptools-scm@1.5.5: +toml", type="build")
depends_on("py-cython", type="build")
depends_on("py-numpy@1.7:", type=("build", "run"))
depends_on("py-py-cpuinfo", when="@0.11:", type="build")
depends_on("py-entrypoints", when="@0.10.1:0.11", type=("build", "run"))
depends_on("py-msgpack", type=("build", "run"), when="+msgpack")
patch("apple-clang-12.patch", when="%apple-clang@12:")
# TODO: this package should really depend on blosc, zstd, lz4, zlib, but right now it vendors
# those libraries without any way to use the system versions.
# https://github.com/zarr-developers/numcodecs/issues/464
def setup_build_environment(self, env):
# This package likes to compile natively by checking cpu features and then setting flags
# -msse2 and -mavx2, which we want to avoid in Spack. This could go away if the package
# supports external libraries.
if self.spec.satisfies("target=x86_64:"):
if "avx2" not in self.spec.target.features:
env.set("DISABLE_NUMCODECS_AVX2", "1")
if "sse2" not in self.spec.target.features:
env.set("DISABLE_NUMCODECS_SSE2", "1")
def flag_handler(self, name, flags):
if name == "cflags":
if self.spec.satisfies("%oneapi"):
flags.append("-Wno-error=implicit-function-declaration")
return (flags, None, None)
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