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Install.py
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Fri, May 24, 15:01

Install.py
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#!/usr/bin/env 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 message
help = """
Syntax: python Install.py -v version -h hpath hdir -g -b -l
specify one or more options, order does not matter
-v = version of Voro++ to download and build
default version = voro++-0.4.6 (current as of Jan 2015)
-h = set home dir of Voro++ to be hpath/hdir
hpath can be full path, contain '~' or '.' chars
default hpath = . = lib/voronoi
default hdir = voro++-0.4.6 = what tarball unpacks to
-g = grab (download) tarball from math.lbl.gov/voro++ website
unpack it to hpath/hdir
hpath must already exist
if hdir already exists, it will be deleted before unpack
-b = build Voro++ library in its src dir
-l = create 2 softlinks (includelink,liblink) in lib/voronoi to Voro++ src dir
"""
# settings
version = "voro++-0.4.6"
url = "http://math.lbl.gov/voro++/download/dir/%s.tar.gz" % version
# 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))
# parse args
args = sys.argv[1:]
nargs = len(args)
if nargs == 0: error()
homepath = "."
homedir = version
grabflag = 0
buildflag = 0
linkflag = 0
iarg = 0
while iarg < nargs:
if args[iarg] == "-v":
if iarg+2 > nargs: error()
version = args[iarg+1]
iarg += 2
elif args[iarg] == "-h":
if iarg+3 > nargs: error()
homepath = args[iarg+1]
homedir = args[iarg+2]
iarg += 3
elif args[iarg] == "-g":
grabflag = 1
iarg += 1
elif args[iarg] == "-b":
buildflag = 1
iarg += 1
elif args[iarg] == "-l":
linkflag = 1
iarg += 1
else: error()
homepath = fullpath(homepath)
if not os.path.isdir(homepath): error("Voro++ path does not exist")
homedir = "%s/%s" % (homepath,homedir)
# download and unpack Voro++ tarball
if grabflag:
print "Downloading Voro++ ..."
urllib.urlretrieve(url,"%s/%s.tar.gz" % (homepath,version))
print "Unpacking Voro++ tarball ..."
if os.path.exists("%s/%s" % (homepath,version)):
commands.getoutput("rm -rf %s/%s" % (homepath,version))
cmd = "cd %s; tar zxvf %s.tar.gz" % (homepath,version)
commands.getoutput(cmd)
if os.path.basename(homedir) != version:
if os.path.exists(homedir): commands.getoutput("rm -rf %s" % homedir)
os.rename("%s/%s" % (homepath,version),homedir)
# build Voro++
if buildflag:
print "Building Voro++ ..."
cmd = "cd %s; make" % homedir
txt = commands.getoutput(cmd)
print txt
# create 2 links in lib/voronoi to Voro++ src dir
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")
cmd = "ln -s %s/src includelink" % homedir
commands.getoutput(cmd)
cmd = "ln -s %s/src liblink" % homedir
commands.getoutput(cmd)

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