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Install.py
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Sat, Jun 1, 23:17

Install.py
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#!/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,re,subprocess
# help message
help = """
Syntax from src dir: make lib-latte args="-b"
make lib-latte args="-p /usr/local/latte"
make lib-latte args="-m gfortran"
Syntax from lib dir: python Install.py -b
python Install.py -p /usr/local/latte
python Install.py -m gfortran
specify one or more options, order does not matter
-b = download and build the LATTE library
-p = specify folder of existing LATTE installation
-m = copy Makefile.lammps.suffix to Makefile.lammps
Example:
make lib-latte args="-b -m gfortran" # download/build in lib/latte
make lib-latte args="-p $HOME/latte" # use existing LATTE installation
"""
# settings
url = "https://github.com/lanl/LATTE/archive/master.tar.gz"
# print error message or help
def error(str=None):
if not str: print(help)
else: print("ERROR",str)
sys.exit()
# expand to full path name
# process leading '~' or relative path
def fullpath(path):
return os.path.abspath(os.path.expanduser(path))
def which(program):
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
for path in os.environ["PATH"].split(os.pathsep):
path = path.strip('"')
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None
def geturl(url,fname):
success = False
if which('curl') != None:
cmd = 'curl -L -o "%s" %s' % (fname,url)
print(cmd)
try:
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
success = True
except subprocess.CalledProcessError as e:
print("Calling curl failed with: %s" % e.output.decode('UTF-8'))
if not success and which('wget') != None:
cmd = 'wget -O "%s" %s' % (fname,url)
print(cmd)
try:
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
success = True
except subprocess.CalledProcessError as e:
print("Calling wget failed with: %s" % e.output.decode('UTF-8'))
if not success:
error("Failed to download source code with 'curl' or 'wget'")
return
# parse args
args = sys.argv[1:]
nargs = len(args)
if nargs == 0: error()
homepath = "."
homedir = "LATTE-master"
buildflag = False
pathflag = False
suffixflag = False
linkflag = True
iarg = 0
while iarg < nargs:
if args[iarg] == "-p":
if iarg+2 > nargs: error()
lattedir = fullpath(args[iarg+1])
pathflag = True
iarg += 2
elif args[iarg] == "-b":
buildflag = True
iarg += 1
elif args[iarg] == "-m":
if iarg+2 > nargs: error()
suffix = args[iarg+1]
suffixflag = True
iarg += 2
else: error()
if (buildflag and pathflag):
error("Cannot use -b and -p flag at the same time")
if buildflag:
lattepath = fullpath(homepath)
lattedir = "%s/%s" % (lattepath,homedir)
if pathflag:
if not os.path.isdir(lattedir): error("LATTE path does not exist")
# download and unpack LATTE tarball
if buildflag:
print("Downloading LATTE ...")
geturl(url,"master.tar.gz")
print("Unpacking LATTE zipfile ...")
if os.path.exists(lattedir):
cmd = 'rm -rf "%s"' % lattedir
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
cmd = 'cd "%s"; tar zxvf master.tar.gz' % lattepath
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
os.remove("%s/master.tar.gz" % lattepath)
# build LATTE
if buildflag:
print("Building LATTE ...")
cmd = 'cd "%s"; make' % lattedir
txt = subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
print(txt.decode('UTF-8'))
# create 3 links in lib/latte to LATTE dirs
# do this -b or -p is set
if buildflag or pathflag:
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")
cmd = 'ln -s "%s/src" includelink' % lattedir
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
cmd = 'ln -s "%s" liblink' % lattedir
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
cmd = 'ln -s "%s/src/latte_c_bind.o" filelink.o' % lattedir
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
# copy Makefile.lammps.suffix to Makefile.lammps
if suffixflag:
print("Creating Makefile.lammps")
if os.path.exists("Makefile.lammps.%s" % suffix):
cmd = 'cp Makefile.lammps.%s Makefile.lammps' % suffix
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)

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