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