def main():
'''
Main function validates command line arguments and creates a sub directory in the same path of the XML map to store the output files.
'''
parser = OptionParser()
parser.add_option("-f", "--file", dest="filename",type="string",
help="Loads the XML FILE", metavar="FILE")
parser.add_option("-l", "--list", dest="list",
help="List all the mapped objects in the XML FILE", metavar="LIST")
parser.add_option("-e", "--extract", dest="object",
help="Extracts all the mapped objects in the XML FILE", metavar="OBJECTS")
parser.add_option("-n", "--numpy", dest="output",default=None,nargs=0,
help="Extracts each selected object in a binary .dat file", metavar="DUMP")
parser.add_option("-d", "--directory", dest="dir",
help="Base directory for bulk processing ", metavar="DIR")
parser.add_option("-p", "--pattern", dest="pattern",
help="UNIX wildcards pattern", metavar="PATTERN")
parser.add_option("-v", "--verbose", dest="verbose",default=False,nargs=0,
help="verbose, extenden output", metavar="VERB")
(options, args) = parser.parse_args()
#Getting the program name
args=sys.argv[0].split("/")
if len(args)==1:
args=sys.argv[0].split("\\")
#Relative paths for Windows:
if options.filename!=None:
if not os.path.isabs(options.filename):
if sys.platform.find("WIN") and (sys.argv[0].find(".exe")!=-1):
options.filename= os.path.normpath(os.path.join(sys.path[0],"..\\" +options.filename))
if options.filename==None and options.dir==None:
print "Required argument [-f|--file] or [-d] missing"
print ""
usage(args)
sys.exit(-1)
if options.filename != None:
if not os.path.exists( options.filename):
print "The file does not exist or it is an incorrect filename: " + options.filename
print ""
usage(args)
sys.exit(-1)
if options.list==None and options.object==None:
print " -l or -e required"
print ""
usage()
sys.exit(-1)
if (options.list and options.object):
print "Options -l and -e are mutually exclusive"
print ""
print options
print ""
usage(args)
sys.exit(-1)
if options.list not in ["VData","SDS","RIS","MDATA","ALL"] and options.object not in ["VData","SDS","RIS","MDATA","ALL"]:
print " A valid HDF object name is required"
print ""
print options
print ""
usage(args)
sys.exit(-1)
if options.filename is not None:
if not os.path.exists(options.filename + "_dump"):# Be careful with relative paths in Linux
try:
os.makedirs(options.filename+ "_dump")
print "Directory created :" + options.filename
except:
print "Failed to create a sub directory to store the output files: " + options.filename
sys.exit(-1)
else:
print "The output directory already exist: " + options.filename
if options.list :# We call the parser just to list the objects mapped in the XML file
parser= XMLparser(options.filename,"l",options.list,options.output,True)
parser.parseAndDumpMapContent()
else:# We call the parser to extract a given object(s) described in the XML map.
parser= XMLparser(options.filename,"e",options.object,options.output,options.verbose)
if parser.tree is None:
sys.exit(-1)
exit_code=parser.parseAndDumpMapContent()
print "Dumping complete"
sys.exit(exit_code)
else:
dumper= Reader(options.dir + "/")
dumper.list_files(options.pattern)
dumper.dump_files("e",options.object,options.output,options.verbose)
print "Dumping complete"
