lammps/python/install.py

128 lines
4.1 KiB
Python

#!/usr/bin/env python
"""
Installer script to install the LAMMPS python module and the corresponding
shared library into either the system-wide site-packages tree, or - failing
that - into the corresponding user tree. Called from the 'install-python'
build target in the conventional and CMake based build systems
"""
# copy LAMMPS shared library and lammps.py to system dirs
from __future__ import print_function
import sys,os,shutil
from argparse import ArgumentParser
parser = ArgumentParser(prog='install.py',
description='LAMMPS python module installer script')
parser.add_argument("-m", "--module", required=True,
help="path to the source of the LAMMPS Python module")
parser.add_argument("-l", "--lib", required=True,
help="path to the compiled LAMMPS shared library")
parser.add_argument("-v", "--version", required=True,
help="path to the LAMMPS version.h header file")
parser.add_argument("-d","--dir",
help="Legacy custom installation folder selection for module and library")
args = parser.parse_args()
# validate arguments and make paths absolute
if args.module:
if not os.path.exists(args.module):
print( "ERROR: LAMMPS module file %s does not exist" % args.module)
parser.print_help()
sys.exit(1)
else:
args.module = os.path.abspath(args.module)
if args.lib:
if not os.path.exists(args.lib):
print( "ERROR: LAMMPS shared library %s does not exist" % args.lib)
parser.print_help()
sys.exit(1)
else:
args.lib = os.path.abspath(args.lib)
if args.version:
if not os.path.exists(args.version):
print( "ERROR: LAMMPS version header file %s does not exist" % args.version)
parser.print_help()
sys.exit(1)
else:
args.version = os.path.abspath(args.version)
if args.dir:
if not os.path.isdir(args.dir):
print( "ERROR: Installation folder %s does not exist" % args.dir)
parser.print_help()
sys.exit(1)
else:
args.dir = os.path.abspath(args.dir)
# if a custom directory is given, we copy the files directly
# without any special processing or additional steps to that folder
if args.dir:
print("Copying LAMMPS Python module to custom folder %s" % args.dir)
try:
shutil.copyfile(args.module, os.path.join(args.dir,'lammps.py'))
except shutil.Error:
pass # fail silently
print("Copying LAMMPS shared library to custom folder %s" % args.dir)
try:
shutil.copyfile(args.lib, os.path.join(args.dir,os.path.basename(args.lib)))
except shutil.Error:
pass # fail silently
sys.exit()
# extract version string from header
fp = open(args.version,'r')
txt=fp.read().split('"')[1].split()
verstr=txt[0]+txt[1]+txt[2]
fp.close()
print("Installing LAMMPS Python module version %s into site-packages folder" % verstr)
# we need to switch to the folder of the python module
os.chdir(os.path.dirname(args.module))
from distutils.core import setup
from distutils.sysconfig import get_python_lib
import site
tryuser=False
try:
sys.argv = ["setup.py","install"] # as if had run "python setup.py install"
setup(name = "lammps",
version = verstr,
author = "Steve Plimpton",
author_email = "sjplimp@sandia.gov",
url = "https://lammps.sandia.gov",
description = "LAMMPS Molecular Dynamics Python module",
license = "GPL",
py_modules = ["lammps"],
data_files = [(get_python_lib(), [args.lib])])
except:
tryuser=True
print ("Installation into global site-packages folder failed.\nTrying user folder %s now." % site.USER_SITE)
if tryuser:
try:
sys.argv = ["setup.py","install","--user"] # as if had run "python setup.py install --user"
setup(name = "lammps",
version = verstr,
author = "Steve Plimpton",
author_email = "sjplimp@sandia.gov",
url = "https://lammps.sandia.gov",
description = "LAMMPS Molecular Dynamics Python module",
license = "GPL",
py_modules = ["lammps"],
data_files = [(site.USER_SITE, [args.lib])])
except:
print("Installation into user site package folder failed.")