lammps/lib/voronoi/Install.py

122 lines
3.8 KiB
Python

#!/usr/bin/env python
"""
Install.py tool to download, unpack, build, and link to the Voro++ library
used to automate the steps described in the README file in this dir
"""
from __future__ import print_function
import sys, os, subprocess, shutil, tarfile
from argparse import ArgumentParser
sys.path.append('..')
from install_helpers import fullpath, geturl, checkmd5sum
parser = ArgumentParser(prog='Install.py',
description="LAMMPS library build wrapper script")
# settings
version = "voro++-0.4.6"
url = "https://download.lammps.org/thirdparty/%s.tar.gz" % version
# known checksums for different Voro++ versions. used to validate the download.
checksums = { \
'voro++-0.4.6' : '2338b824c3b7b25590e18e8df5d68af9' \
}
# extra help message
HELP = """
Syntax from src dir: make lib-voronoi args="-b"
or: make lib-voronoi args="-p /usr/local/voro++-0.4.6"
or: make lib-voronoi args="-b -v voro++-0.4.6"
Syntax from lib dir: python Install.py -b -v voro++-0.4.6
or: python Install.py -b
or: python Install.py -p /usr/local/voro++-0.4.6
Example:
make lib-voronoi args="-b" # download/build in lib/voronoi/voro++-0.4.6
make lib-voronoi args="-p $HOME/voro++-0.4.6" # use existing Voro++ installation in $HOME/voro++-0.4.6
"""
# parse and process arguments
pgroup = parser.add_mutually_exclusive_group()
pgroup.add_argument("-b", "--build", action="store_true",
help="download and build the Voro++ library")
pgroup.add_argument("-p", "--path",
help="specify folder of existing Voro++ installation")
parser.add_argument("-v", "--version", default=version,
help="set version of Voro++ to download and build (default: %s)" % version)
args = parser.parse_args()
# print help message and exit, if neither build nor path options are given
if not args.build and not args.path:
parser.print_help()
sys.exit(HELP)
buildflag = args.build
pathflag = args.path is not None
voropath = args.path
homepath = fullpath(".")
homedir = os.path.join(homepath, version)
if pathflag:
if not os.path.isdir(voropath):
sys.exit("Voro++ path %s does not exist" % voropath)
homedir = fullpath(voropath)
# download and unpack Voro++ tarball
if buildflag:
print("Downloading Voro++ ...")
vorotar = os.path.join(homepath, version) + '.tar.gz'
geturl(url, vorotar)
# verify downloaded archive integrity via md5 checksum, if known.
if version in checksums:
if not checkmd5sum(checksums[version], vorotar):
sys.exit("Checksum for Voro++ library does not match")
print("Unpacking Voro++ tarball ...")
srcpath = os.path.join(homepath, version)
if os.path.exists(srcpath):
shutil.rmtree(srcpath)
if tarfile.is_tarfile(vorotar):
tgz = tarfile.open(vorotar)
tgz.extractall(path=homepath)
os.remove(vorotar)
else:
sys.exit("File %s is not a supported archive" % vorotar)
if os.path.basename(homedir) != version:
if os.path.exists(homedir):
shutil.rmtree(homedir)
os.rename(srcpath, homedir)
# build Voro++
if buildflag:
print("Building Voro++ ...")
cmd = 'cd "%s"; make CXX=g++ CFLAGS="-fPIC -O3"' % homedir
try:
txt = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
print(txt.decode('UTF-8'))
except subprocess.CalledProcessError as e:
print("Make failed with:\n %s" % e.output.decode('UTF-8'))
sys.exit(1)
# create 2 links in lib/voronoi to Voro++ src dir
print("Creating links to Voro++ include and lib files")
if os.path.isfile("includelink") or os.path.islink("includelink"):
os.remove("includelink")
if os.path.isfile("liblink") or os.path.islink("liblink"):
os.remove("liblink")
os.symlink(os.path.join(homedir, 'src'), 'includelink')
os.symlink(os.path.join(homedir, 'src'), 'liblink')