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# Copyright 2013-2021 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 import *


class PyXdot(PythonPackage):
    """xdot.py is an interactive viewer for graphs written in Graphviz's
    dot language."""

    homepage = "https://github.com/jrfonseca/xdot.py"
    pypi = "xdot/xdot-1.0.tar.gz"
    git      = "https://github.com/jrfonseca/xdot.py.git"
    maintainers = ['lee218llnl']

    version('master', branch='master')
    version('1.2', sha256='3df91e6c671869bd2a6b2a8883fa3476dbe2ba763bd2a7646cf848a9eba71b70')
    version('1.0', sha256='7e067896d729af82f1fd0758e265f129944d469c30f550e3f15dbdb751cc42a1')
    version('0.9', sha256='a33701664ecfefe7c7313a120a587e87334f3a566409bc451538fcde5edd6907')

    # setuptools is required at runtime to avoid:
    # No module named 'pkg_resources'
    depends_on('py-setuptools', type=('build', 'run'))
    depends_on('python@3:', type=('build', 'run'))
    depends_on('py-pygobject', type=('build', 'run'))
    depends_on('py-pycairo', type=('build', 'run'))
    depends_on('pango', type=('build', 'run'))
    depends_on('atk', type=('build', 'run'))
    depends_on('gdk-pixbuf', type=('build', 'run'))
    depends_on('gtkplus', type=('build', 'run'))
    depends_on('py-numpy', type=('build', 'run'), when='@1.2:')

    @run_after('install')
    def post_install(self):
        spec = self.spec
        repo_paths = '%s:%s:%s:%s' % (
            join_path(spec['pango'].prefix.lib, 'girepository-1.0'),
            join_path(spec['atk'].prefix.lib, 'girepository-1.0'),
            join_path(spec['gdk-pixbuf'].prefix.lib, 'girepository-1.0'),
            join_path(spec['gtkplus'].prefix.lib, 'girepository-1.0'))
        dst = join_path(python_platlib, 'xdot', '__init__.py')
        filter_file("import sys",
                    "import sys\nimport os\nos.environ['GI_TYPELIB_PATH']" +
                    " = '%s'" % repo_paths, dst)
        # regenerate the byte-compiled __init__.py
        python3 = spec['python'].command
        python3('-m', 'compileall', dst)

    def setup_run_environment(self, env):
        spec = self.spec
        env.prepend_path('GI_TYPELIB_PATH',
                         join_path(spec['pango'].prefix.lib,
                                   'girepository-1.0'))
        env.prepend_path('GI_TYPELIB_PATH',
                         join_path(spec['atk'].prefix.lib,
                                   'girepository-1.0'))
        env.prepend_path('GI_TYPELIB_PATH',
                         join_path(spec['gdk-pixbuf'].prefix.lib,
                                   'girepository-1.0'))
        env.prepend_path('GI_TYPELIB_PATH',
                         join_path(spec['gtkplus'].prefix.lib,
                                   'girepository-1.0'))