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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)

import tempfile

from spack.package import *


class PyTensorflowHub(Package):
    """TensorFlow Hub is a library to foster the publication, discovery, and
    consumption of reusable parts of machine learning models."""

    homepage = "https://github.com/tensorflow/hub"
    url = "https://github.com/tensorflow/hub/archive/refs/tags/v0.12.0.tar.gz"

    maintainers("aweits")

    license("Apache-2.0")

    version("0.12.0", sha256="b192ef3a9a6cbeaee46142d64b47b979828dbf41fc56d48c6587e08f6b596446")
    version("0.11.0", sha256="4715a4212b45531a7c25ada7207d850467d1b5480f1940f16623f8770ad64df4")

    extends("python")

    depends_on("bazel", type="build")
    depends_on("py-pip", type="build")
    depends_on("py-wheel", type="build")
    depends_on("py-setuptools", type="build")
    depends_on("python@3.6:", type=("build", "run"))
    depends_on("py-numpy@1.12.0:", type=("build", "run"))
    depends_on("py-protobuf@3.8.0:", type=("build", "run"))

    # Deal with vendored zlib.
    patch("0001-zlib-bump-over-CVE-use-fossils-url-which-is-more-sta.patch", when="@:0.12")

    def install(self, spec, prefix):
        tmp_path = tempfile.mkdtemp(prefix="spack")
        env["TEST_TMPDIR"] = tmp_path
        env["HOME"] = tmp_path
        args = [
            # Don't allow user or system .bazelrc to override build settings
            "--nohome_rc",
            "--nosystem_rc",
            # Bazel does not work properly on NFS, switch to /tmp
            "--output_user_root=" + tmp_path,
            "build",
            # Spack logs don't handle colored output well
            "--color=no",
            "--jobs={0}".format(make_jobs),
            # Enable verbose output for failures
            "--verbose_failures",
            "--spawn_strategy=local",
            # bazel uses system PYTHONPATH instead of spack paths
            "--action_env",
            "PYTHONPATH={0}".format(env["PYTHONPATH"]),
            "//tensorflow_hub/pip_package:build_pip_package",
        ]

        bazel(*args)

        runfiles = join_path(
            "bazel-bin",
            "tensorflow_hub",
            "pip_package",
            "build_pip_package.runfiles",
            "org_tensorflow_hub",
        )
        insttmp_path = tempfile.mkdtemp(prefix="spack")
        install(join_path("tensorflow_hub", "pip_package", "setup.py"), insttmp_path)
        install(join_path("tensorflow_hub", "pip_package", "setup.cfg"), insttmp_path)
        install("LICENSE", join_path(insttmp_path, "LICENSE.txt"))
        mkdirp(join_path(insttmp_path, "tensorflow_hub"))
        install_tree(
            join_path(runfiles, "tensorflow_hub"), join_path(insttmp_path, "tensorflow_hub")
        )

        with working_dir(insttmp_path):
            args = std_pip_args + ["--prefix=" + prefix, "."]
            pip(*args)

        remove_linked_tree(tmp_path)
        remove_linked_tree(insttmp_path)