lammps/lib/latte/Install.py

139 lines
4.4 KiB
Python

#!/usr/bin/env python
"""
Install.py tool to download, unpack, build, and link to the LATTE 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 = '1.2.1'
suffix = 'gfortran'
# known checksums for different LATTE versions. used to validate the download.
checksums = { \
'1.1.0' : '533635721ee222d0ed2925a18fb5b294', \
'1.2.0' : '68bf0db879da5e068a71281020239ae7', \
'1.2.1' : '85ac414fdada2d04619c8f936344df14', \
}
# help message
HELP = """
Syntax from src dir: make lib-latte args="-b"
or: make lib-latte args="-p /usr/local/latte"
or: make lib-latte args="-m gfortran"
or: make lib-latte args="-b -v 1.2.1"
Syntax from lib dir: python Install.py -b
or: python Install.py -p /usr/local/latte
or: python Install.py -m gfortran
or: python Install.py -v 1.2.1 -b
Example:
make lib-latte args="-b -m gfortran" # download/build in lib/latte
make lib-latte args="-p $HOME/latte" # use existing LATTE installation
"""
pgroup = parser.add_mutually_exclusive_group()
pgroup.add_argument("-b", "--build", action="store_true",
help="download and build the LATTE library")
pgroup.add_argument("-p", "--path",
help="specify folder of existing LATTE installation")
parser.add_argument("-m", "--machine", choices=['gfortran', 'ifort', 'linalg', 'serial', 'mpi'],
help="suffix of a Makefile.lammps.* file used for linking LAMMPS with this library")
parser.add_argument("-v", "--version", default=version,
help="set version of LATTE 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)
homepath = fullpath(".")
buildflag = args.build
pathflag = args.path is not None
version = args.version
suffixflag = args.machine is not None
suffix = args.machine
if pathflag:
lattedir = args.path
if not os.path.isdir(lattedir):
sys.exit("LATTE path %s does not exist" % lattedir)
lattedir = fullpath(lattedir)
homedir = "LATTE-%s" % version
if buildflag:
url = "https://github.com/lanl/LATTE/archive/v%s.tar.gz" % version
lattepath = fullpath(homepath)
lattedir = os.path.join(lattepath, homedir)
# download and unpack LATTE tarball
if buildflag:
print("Downloading LATTE ...")
geturl(url, "LATTE.tar.gz")
# verify downloaded archive integrity via md5 checksum, if known.
if version in checksums:
if not checkmd5sum(checksums[version], 'LATTE.tar.gz'):
sys.exit("Checksum for LATTE library does not match")
print("Unpacking LATTE ...")
if os.path.exists(lattedir):
shutil.rmtree(lattedir)
if tarfile.is_tarfile('LATTE.tar.gz'):
tgz = tarfile.open('LATTE.tar.gz')
tgz.extractall()
os.remove('LATTE.tar.gz')
else:
sys.exit("File LATTE.tar.gz is not a supported archive")
# build LATTE
print("Building LATTE ...")
cmd = 'cd "%s"; make' % lattedir
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 3 links in lib/latte to LATTE dirs
print("Creating links to LATTE 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 os.path.isfile("filelink.o") or os.path.islink("filelink.o"):
os.remove("filelink.o")
os.symlink(os.path.join(lattedir, 'src'), 'includelink')
os.symlink(lattedir, 'liblink')
os.symlink(os.path.join(lattedir, 'src', 'latte_c_bind.o'), 'filelink.o')
# copy Makefile.lammps.suffix to Makefile.lammps
if suffixflag or not os.path.exists("Makefile.lammps"):
if suffix is None:
suffix = 'gfortran'
print("Creating Makefile.lammps")
if os.path.exists("Makefile.lammps.%s" % suffix):
shutil.copyfile("Makefile.lammps.%s" % suffix, 'Makefile.lammps')