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install.py
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Tue, Nov 12, 16:31

install.py
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#!usr/local/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
import sys,os,re,urllib,commands
help = """
Syntax: install.py -d dir -v version -g -b -i installdir -l incdir libdir
specify one or more options, order does not matter
-d = dir to download tarball to, unpack tarball in, perform build in
dir will be created if it doesn't exist (only last level)
default = this dir
-v = version of Voro++ to download and work with
default = voro++-0.4.6 (current as of Jan 2015)
-g = download (grab) tarball from
http://math.lbl.gov/voro++/download/dir/version
-b = build Voro++ by invoking "make" in its home dir
no default
-i = install Voro++ by invoking "make install" in its home dir
installdir arg is optional:
if not specified, installs at PREFIX defined in config.mk file
if specified, will overwrite PREFIX and install there
if PREFIX starts with /usr, will invoke "sudo make install"
-l = create two links to incdir and libdir
incdir and libdir are optional (specify neither or both):
if specified, includelink and liblink are to those two dirs
these are dirs where Voro++ include files and lib file are
if not specified and no install, links are to Voro++ src dir
if not specified and install performed,
links are to include and lib dirs under PREFIX
"""
def error():
print help
sys.exit()
# parse args
args = sys.argv
if len(args) == 1: error()
dir = "."
version = "voro++-0.4.6"
grabflag = 0
buildflag = 0
installflag = 0
linkflag = 0
iarg = 1
while iarg < len(args):
if args[iarg] == "-d":
if iarg+2 > len(args): error()
dir = args[iarg+1]
iarg += 2
elif args[iarg] == "-v":
if iarg+2 > len(args): error()
version = args[iarg+1]
iarg += 2
elif args[iarg] == "-g":
grabflag = 1
iarg += 1
elif args[iarg] == "-b":
buildflag = 1
iarg += 1
elif args[iarg] == "-i":
installflag = 1
if iarg+1 == len(args) or args[iarg+1][0] == '-':
installdir = ""
iarg += 1
else:
if iarg+2 > len(args): error()
installdir = args[iarg+1]
iarg += 2
elif args[iarg] == "-l":
linkflag = 1
if iarg+1 == len(args) or args[iarg+1][0] == '-' or \
iarg+2 == len(args) or args[iarg+2][0] == '-':
includedir = libdir = ""
iarg += 1
else:
if iarg+3 > len(args): error()
includedir = args[iarg+1]
libdir = args[iarg+2]
iarg += 3
else: error()
dir = os.path.abspath(dir)
url = "http://math.lbl.gov/voro++/download/dir/%s.tar.gz" % version
# create dir if does not exist
if not os.path.isdir(dir):
if os.path.isfile(dir):
print "ERROR: Dir already exists as file"
sys.exit()
os.mkdir(dir)
if not os.path.isdir(dir):
print "ERROR: Unable to create dir"
sys.exit()
# download and unpack tarball
if grabflag:
print "Downloading Voro++ tarball ..."
urllib.urlretrieve(url,"%s/%s.tar.gz" % (dir,version))
print "Unpacking Voro++ tarball ..."
cmd = "cd %s; tar zxvf %s.tar.gz" % (dir,version)
txt = commands.getoutput(cmd)
# build Voro++ in its dir
if buildflag:
print "Building Voro++ ..."
cmd = "cd %s/%s; make" % (dir,version)
txt = commands.getoutput(cmd)
print txt
# install Voro++
# if installdir set, overwrite PREFIX var in its config.mk file
# if PREFIX var starts with /usr, invoke sudo make install, else make install
if installflag:
print "Installing Voro++ ..."
if installdir:
txt = open("%s/%s/config.mk" % (dir,version),'r').read()
txt = re.sub("PREFIX=.*?\n","PREFIX=%s\n" % installdir,txt)
open("%s/%s/config.mk" % (dir,version),'w').write(txt)
print "TXT:",txt
txt = open("%s/%s/config.mk" % (dir,version),'r').read()
var = re.findall("PREFIX=.*?\n",txt)
prefix = var[0].split('=')[1].strip()
if prefix.startswith("/usr"):
cmd = "cd %s/%s; sudo make install" % (dir,version)
else:
cmd = "cd %s/%s; make install" % (dir,version)
txt = commands.getoutput(cmd)
print txt
# create links in this dir to Voro++ include and lib files
if linkflag:
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")
if includedir:
cmd = "ln -s %s includelink" % includedir
txt = commands.getoutput(cmd)
cmd = "ln -s %s liblink" % linkdir
txt = commands.getoutput(cmd)
elif not installflag:
cmd = "ln -s %s/%s/src includelink" % (dir,version)
txt = commands.getoutput(cmd)
cmd = "ln -s %s/%s/src liblink" % (dir,version)
txt = commands.getoutput(cmd)
else:
cmd = "ln -s %s/include includelink" % prefix
txt = commands.getoutput(cmd)
cmd = "ln -s %s/lib liblink" % prefix
txt = commands.getoutput(cmd)

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