parser.add_option("-s", "--sbs-home", dest="sbshome", help="Path to use as SBS_HOME environment variable. If not present the script exits.")

parser.add_option("-w", "--win32-support", dest="win32support", help="Path to Win32 support directory. If not present the script exits.")

parser.add_option("-b", "--bv", dest="bv", help="Path to Binary variation CPP \"root\" directory. Can be a full/relatitve path; prefix with \"WIN32SUPPORT\\\" to be relative to the Win32 support directory. Omitting this value will assume a default to a path inside the Win32 support directory.")

parser.add_option("-c", "--cygwin", dest="cygwin", help="Path to Cygwin \"root\" directory. Can be a full/relatitve path; prefix with \"WIN32SUPPORT\\\" to be relative to the Win32 support directory. Omitting this value will assume a default to a path inside the Win32 support directory.")

parser.add_option("-m", "--mingw", dest="mingw", help="Path to MinGW \"root\" directory. Can be a full/relatitve path; prefix with \"WIN32SUPPORT\\\" to be relative to the Win32 support directory. Omitting this value will assume a default to a path inside the Win32 support directory.")

parser.add_option("-p", "--python", dest="python", help="Path to Python \"root\" directory. Can be a full/relatitve path; prefix with \"WIN32SUPPORT\\\" to be relative to the Win32 support directory. Omitting this value will assume a default to a path inside the Win32 support directory.")

parser.add_option("--prefix", dest="versionprefix", help="A string to use as a prefix to the Raptor version string. This will be present in the Raptor installer's file name, the installer's pages as well as the in output from sbs -v.", type="string", default="")

parser.add_option("--postfix", dest="versionpostfix", help="A string to use as a postfix to the Raptor version string. This will be present in the Raptor installer's file name, the installer's pages as well as the in output from sbs -v.", type="string", default="")

# Required directories inside the win32-support repository

win32supportdirs = {"bv":"bv", "cygwin":"cygwin", "mingw":"mingw", "python":"python264"}

	# Check for command line overrides to defaults

	for directory in win32supportdirs:

		print "TEST %s" % directory

		value = getattr(options,directory)

		print "value =  %s" % str(value)

		if value != None: # Command line override

			if value.lower().startswith("win32support"):

				# Strip off "WIN32SUPPORT\" and join to Win32 support location

				win32supportdirs[directory] = os.path.join(options.win32support, value[13:]) 

			else:

				# Relative to current directory

				win32supportdirs[directory] = value

		else: # Use default location

			win32supportdirs[directory] = os.path.join(options.win32support, win32supportdirs[directory])

	print "\n\nwin32supportdirs = %s\n\n" % win32supportdirs

	# Check that all the specified directories exist and exit if any of them is missing.

	for directory in win32supportdirs:

		dir = win32supportdirs[directory]

		if os.path.isdir(dir):

			print "Found directory %s" % dir

		else:

def generateinstallerversion(sbshome = None):

	shellenv = os.environ.copy()

	shellenv["PYTHONPATH"] = os.path.join(sbshome, "python")

	raptorversioncommand = "python -c \"import raptor_version; print raptor_version.numericversion()\""

	# Raptor version is obtained from raptor_version module's numericversion function.

	sbs_version_matcher = re.compile(".*(\d+\.\d+\.\d+).*", re.I)

	# Create Raptor subprocess

	versioncommand = subprocess.Popen(raptorversioncommand, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, env=shellenv)

	raptorversion = ""

	# Get all the lines matching the RE

	for line in versioncommand.stdout.readlines():

		res = sbs_version_matcher.match(line)

		if res:

			raptorversion = res.group(1)

			print "Successfully determined Raptor version %s" % raptorversion

	versioncommand.wait() # Wait for process to end

	return raptorversion

# generateinstallerversionheader(options.sbshome)

raptorversion = options.versionprefix + generateinstallerversion(options.sbshome) + options.versionpostfix

nsiscommand = makensispath + " /DRAPTOR_LOCATION=%s /DBV_LOCATION=%s /DCYGWIN_LOCATION=%s /DMINGW_LOCATION=%s /DPYTHON_LOCATION=%s /DRAPTOR_VERSION=%s raptorinstallerscript.nsi" % (options.sbshome, 

				win32supportdirs["bv"],

				win32supportdirs["cygwin"],

				win32supportdirs["mingw"],

				win32supportdirs["python"],

				raptorversion)