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# 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 PyFlye(PythonPackage):
    """Fast and accurate de novo assembler for single molecule sequencing
    reads"""

    homepage = "https://github.com/fenderglass/Flye"
    url = "https://github.com/fenderglass/Flye/archive/2.6.tar.gz"

    version("2.6", sha256="5bdc44b84712794fa4264eed690d8c65c0d72f495c7bbf2cd15b634254809131")
    version("2.4.2", sha256="5b74d4463b860c9e1614ef655ab6f6f3a5e84a7a4d33faf3b29c7696b542c51a")

    # https://github.com/fenderglass/Flye/blob/flye/docs/INSTALL.md
    depends_on("python@2.7:2.8,3.5:", when="@2.6:", type=("build", "run"))
    depends_on("python@2.7:2.8", when="@:2.5", type=("build", "run"))
    depends_on("py-setuptools", type="build")
    depends_on("gmake", type="build")
    depends_on("zlib")

    msg = "C++ compiler with C++11 support required"
    conflicts("%gcc@:4.7", msg=msg)
    conflicts("%clang@:3.2", msg=msg)
    conflicts("%apple-clang@:4.9", msg=msg)

    def setup_build_environment(self, env):
        if self.spec.target.family == "aarch64":
            env.set("arm_neon", "1")
            env.set("aarch64", "1")