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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)

import os

from spack import *


class PyPip(Package):
    """The PyPA recommended tool for installing Python packages."""

    homepage = "https://pip.pypa.io/"
    url = "https://files.pythonhosted.org/packages/py3/p/pip/pip-20.2-py3-none-any.whl"
    list_url = "https://pypi.org/simple/pip/"

    version('21.3.1', sha256='deaf32dcd9ab821e359cd8330786bcd077604b5c5730c0b096eda46f95c24a2d', expand=False)
    version('21.1.2', sha256='f8ea1baa693b61c8ad1c1d8715e59ab2b93cd3c4769bacab84afcc4279e7a70e', expand=False)
    version('20.2',   sha256='d75f1fc98262dabf74656245c509213a5d0f52137e40e8f8ed5cc256ddd02923', expand=False)
    version('19.3',   sha256='e100a7eccf085f0720b4478d3bb838e1c179b1e128ec01c0403f84e86e0e2dfb', expand=False)
    version('19.1.1', sha256='993134f0475471b91452ca029d4390dc8f298ac63a712814f101cd1b6db46676', expand=False)
    version('19.0.3', sha256='bd812612bbd8ba84159d9ddc0266b7fbce712fc9bc98c82dee5750546ec8ec64', expand=False)
    version('18.1',   sha256='7909d0a0932e88ea53a7014dfd14522ffef91a464daaaf5c573343852ef98550', expand=False)
    version('10.0.1', sha256='717cdffb2833be8409433a93746744b59505f42146e8d37de6c62b430e25d6d7', expand=False)
    version('9.0.1',  sha256='690b762c0a8460c303c089d5d0be034fb15a5ea2b75bdf565f40421f542fefb0', expand=False)

    extends('python')
    depends_on('python@3.6:', when='@21:', type=('build', 'run'))
    depends_on('python@2.7:2.8,3.5:', when='@19.2:', type=('build', 'run'))
    depends_on('python@2.7:2.8,3.4:', when='@18:', type=('build', 'run'))
    depends_on('python@2.7:2.8,3.3:', when='@10:', type=('build', 'run'))
    depends_on('python@2.6:2.8,3.3:', type=('build', 'run'))

    def url_for_version(self, version):
        url = "https://files.pythonhosted.org/packages/{0}/p/pip/pip-{1}-{0}-none-any.whl"
        if version >= Version('21'):
            python_tag = 'py3'
        else:
            python_tag = 'py2.py3'
        return url.format(python_tag, version)

    def install(self, spec, prefix):
        # To build and install pip from source, you need setuptools, wheel, and pip
        # already installed. We get around this by using a pre-built wheel to install
        # itself, see:
        # https://discuss.python.org/t/bootstrapping-a-specific-version-of-pip/12306
        whl = self.stage.archive_file
        args = [os.path.join(whl, 'pip')] + std_pip_args + ['--prefix=' + prefix, whl]
        python(*args)

    def setup_dependent_package(self, module, dependent_spec):
        pip = self.spec['python'].command
        pip.add_default_arg('-m')
        pip.add_default_arg('pip')
        setattr(module, 'pip', pip)