3dbde09747
* Workaround for illegal package merging in py-matplotlib/py-basemap # Conflicts: # var/spack/repos/builtin/packages/py-basemap/package.py * flake8 * flake8 * Be conservative: only apply the namespace package fix for Python >= 3.5.2 * flake8 * Bug fix
121 lines
4.4 KiB
Python
121 lines
4.4 KiB
Python
##############################################################################
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# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
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# Produced at the Lawrence Livermore National Laboratory.
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#
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# This file is part of Spack.
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# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
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# LLNL-CODE-647188
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#
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# For details, see https://github.com/llnl/spack
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# Please also see the LICENSE file for our notice and the LGPL.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License (as
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# published by the Free Software Foundation) version 2.1, February 1999.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
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# conditions of the GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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##############################################################################
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from spack import *
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import os
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class PyBasemap(Package):
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"""The matplotlib basemap toolkit is a library for plotting
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2D data on maps in Python."""
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homepage = "http://matplotlib.org/basemap/"
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url = "https://downloads.sourceforge.net/project/matplotlib/matplotlib-toolkits/basemap-1.0.7/basemap-1.0.7.tar.gz"
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version('1.0.7', '48c0557ced9e2c6e440b28b3caff2de8')
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extends('python')
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depends_on('py-setuptools', type='build')
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depends_on('py-numpy', type=nolink)
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depends_on('py-matplotlib', type=nolink)
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depends_on('pil', type=nolink)
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depends_on("geos")
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def install(self, spec, prefix):
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env['GEOS_DIR'] = spec['geos'].prefix
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setup_py('install', '--prefix=%s' % prefix)
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# We are not sure if this fix is needed before Python 3.5.2.
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# If it is needed, this test should be changed.
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# See: https://github.com/LLNL/spack/pull/1964
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if spec['python'].version >= Version('3.5.2'):
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# Use symlinks to join the two mpl_toolkits/ directories into
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# one, inside of basemap. This is because Basemap tries to
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# "add to" an existing package in Matplotlib, which is only
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# legal Python for "Implicit Namespace Packages":
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# https://www.python.org/dev/peps/pep-0420/
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# https://github.com/Homebrew/homebrew-python/issues/112
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# In practice, Python will see only the basemap version of
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# mpl_toolkits
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path_m = find_package_dir(
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spec['py-matplotlib'].prefix, 'mpl_toolkits')
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path_b = find_package_dir(spec.prefix, 'mpl_toolkits')
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link_dir(path_m, path_b)
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def find_package_dir(spack_package_root, name):
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"""Finds directory with a specific name, somewhere inside a Spack
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package.
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spack_package_root:
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Root directory to start searching
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oldname:
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Original name of package (not fully qualified, just the leaf)
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newname:
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What to rename it to
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"""
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for root, dirs, files in os.walk(spack_package_root):
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path = os.path.join(root, name)
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# Make sure it's a directory
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if not os.path.isdir(path):
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continue
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# Make sure it's really a package
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if not os.path.exists(os.path.join(path, '__init__.py')):
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continue
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return path
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return None
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def link_dir(src_root, dest_root, link=os.symlink):
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"""Link all files in src_root into directory dest_root"""
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for src_path, dirnames, filenames in os.walk(src_root):
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if not filenames:
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continue # avoid explicitly making empty dirs
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# Avoid internal Python stuff
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src_leaf = os.path.split(src_path)[1]
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if src_leaf.startswith('__'):
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continue
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# Make sure the destination directory exists
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dest_path = os.path.join(dest_root, src_path[len(src_root) + 1:])
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try:
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os.makedirs(dest_path)
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except:
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pass
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# Link all files from src to dest directory
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for fname in filenames:
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src = os.path.join(src_path, fname)
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dst = os.path.join(dest_path, fname)
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if not os.path.exists(dst):
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link(src, dst)
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