Just a few helper bits for xNormal/python.

xNormalHelpers.py

#!/usr/bin/env python

import	lx
import	subprocess
import	os

# Paths for xNormal.
path_xnormal_basedir	= r'C:\Program Files\Santiago Orgaz'
path_xnormal_exedir		= r'\x64\xNormal.exe'
path_xnormal			= r'C:\Program Files\Santiago Orgaz\xNormal 3.18.9\x64\xNormal.exe'
path_xml				= r'C:\Temp\xNormalBatcher.xml'

'''Return the last error listed by xNormal.'''
def getXNormalError ():
	filename = os.path.expanduser (r'~\Documents\xNormal\xNormal_debugLog.txt')
	if os.path.lexists (filename):
		with open (filename) as f:
			for line in f:
				try:
					line_error = line.split('-> ')[1].rstrip()
				except:
					pass
				else:
					return line_error

	return 'Unknown error'

'''Call xNormal at path_xnormal with the batch XML at the location defined in path_xml variable.'''
def callXNormal ():
	xNormal_process_call = [path_xnormal, path_xml]
	p = subprocess.Popen (xNormal_process_call, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
	output, err = p.communicate ()
	rc = p.returncode
	if rc == 0:
		# Return code of 0 means success.
		pass
	else:
		# Otherwise, xNormal failed to bake.
		# So grab the error from the debug log, if it exists.
		xNormalError = getXNormalError ()
		if xNormalError == 'Aborted by user':
			# User aborted the bake.
			# Might want to do different stuff here?
			lx.out ('xNormal: %s.' % xNormalError)
		else:
			# Some other error.
			lx.out ('xNormal: %s.' % xNormalError)

'''Get a list of installed xNormal versions.'''
def listXNormalVersions ():
	xNormalVersions = []
	for xndir in os.listdir (path_xnormal_basedir):
		if os.path.lexists (path_xnormal_basedir + '\\' + xndir + path_xnormal_exedir):
			xNormalVersions.append (xndir)

	# Sort list by version in descending order.
	xNormalVersions.sort(key=lambda s: map(int, s.split(' ')[1].split('.')))
	xNormalVersions = self.xNormalVersions[::-1]

	# xNormalVersions now contains just the versions of xNormal installs as a list in descending order of release.
	# e.g. ['3.18.10', '3.10.17', '3.8.6']
	# You could present these to the user as options or something?

	if len(xNormalVersions) != 0:
		# If we found at least one version, assign path_xnormal to be the latest installed version of xNormal.
		global path_xnormal
		path_xnormal = path_xnormal_basedir + '\\' + self.xNormalVersions[0] + path_xnormal_exedir
		lx.out ('Defaulting xNormal to %s.' % self.xNormalVersions[0])
	else:
		lx.out('Unable to find any xNormal installs.')