lammps/lib/scafacos/Install.py

123 lines
4.4 KiB
Python

#!/usr/bin/env python
"""
Install.py tool to download, unpack, build, and link to the ScaFaCoS 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, get_cpus, checkmd5sum
parser = ArgumentParser(prog='Install.py',
description="LAMMPS library build wrapper script")
# settings
version = "1.0.1"
url = "https://github.com/scafacos/scafacos/releases/download/v%s/scafacos-%s.tar.gz" % (version, version)
# known checksums for different ScaFaCoS versions. used to validate the download.
checksums = { \
'1.0.1' : 'bd46d74e3296bd8a444d731bb10c1738' \
}
# extra help message
HELP = """
Syntax from src dir: make lib-scafacos args="-b"
or: make lib-scafacos args="-p /usr/local/scafacos"
Syntax from lib dir: python Install.py -b
or: python Install.py -p /usr/local/scafacos
Example:
make lib-scafacos args="-b" # download/build in lib/scafacos/scafacos
make lib-scafacos args="-p $HOME/scafacos" # use existing ScaFaCoS installation in $HOME
"""
# parse and process arguments
pgroup = parser.add_mutually_exclusive_group()
pgroup.add_argument("-b", "--build", action="store_true",
help="download and build the ScaFaCoS library")
pgroup.add_argument("-p", "--path",
help="specify folder of existing ScaFaCoS installation")
parser.add_argument("-v", "--version", default=version,
help="set version of ScaFaCoS 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
version = args.version
homepath = fullpath(".")
scafacospath = os.path.join(homepath, "scafacos-%s" % version)
if pathflag:
scafacospath = args.path
if not os.path.isdir(os.path.join(scafacospath, "include")):
sys.exit("ScaFaCoS include path for %s does not exist" % scafacospath)
if (not os.path.isdir(os.path.join(scafacospath, "lib64"))) \
and (not os.path.isdir(os.path.join(scafacospath, "lib"))):
sys.exit("ScaFaCoS lib path for %s does not exist" % scafacospath)
scafacospath = fullpath(scafacospath)
# download and unpack ScaFaCoS tarball
if buildflag:
print("Downloading ScaFaCoS ...")
geturl(url, "%s/scafacos-%s.tar.gz" % (homepath, version))
# verify downloaded archive integrity via md5 checksum, if known.
if version in checksums:
if not checkmd5sum(checksums[version], '%s/scafacos-%s.tar.gz' % (homepath, version)):
sys.exit("Checksum for ScaFaCoS library does not match")
print("Unpacking ScaFaCoS tarball ...")
if os.path.exists(scafacospath):
shutil.rmtree(scafacospath)
tarname = os.path.join(homepath, "%s.tar.gz" % scafacospath)
if tarfile.is_tarfile(tarname):
tgz = tarfile.open(tarname)
tgz.extractall(path=homepath)
os.remove(tarname)
else:
sys.exit("File %s is not a supported archive" % tarname)
# build ScaFaCoS
print("Building ScaFaCoS ...")
n_cpu = get_cpus()
cmd = 'cd "%s"; ./configure --prefix="%s" --disable-doc --enable-fcs-solvers=fmm,p2nfft,direct,ewald,p3m --with-internal-fftw --with-internal-pfft --with-internal-pnfft CC=mpicc FC=mpif90 CXX=mpicxx F77=; make -j%d; make install' % (scafacospath, os.path.join(homepath, 'build'), n_cpu)
try:
txt = subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
print(txt.decode('UTF-8'))
except subprocess.CalledProcessError as e:
sys.exit("Make failed with:\n %s" % e.output.decode('UTF-8'))
# create 2 links in lib/scafacos to ScaFaCoS include/lib dirs
print("Creating links to ScaFaCoS 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")
if buildflag:
os.symlink(os.path.join(homepath, 'build', 'include'), 'includelink')
os.symlink(os.path.join(homepath, 'build', 'lib'), 'liblink')
else:
os.symlink(os.path.join(scafacospath, 'include'), 'includelink')
if os.path.isdir(os.path.join(scafacospath, "lib64")):
os.symlink(os.path.join(scafacospath, 'lib64'), 'liblink')
else:
os.symlink(os.path.join(scafacospath, 'lib'), 'liblink')