From 36ec438c58ac8ff34e76fe96c66225bed1ba01af Mon Sep 17 00:00:00 2001
From: MaZderMind <github@mazdermind.de>
Date: Thu, 24 Apr 2014 17:58:45 +0200
Subject: [PATCH] analyze inkscape stderr to detect svg issues

---
 sotmeu14/make.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/sotmeu14/make.py b/sotmeu14/make.py
index 05fa57d..b9065a1 100755
--- a/sotmeu14/make.py
+++ b/sotmeu14/make.py
@@ -17,6 +17,7 @@ import tempfile
 import threading
 import multiprocessing
 from threading import Thread, Lock
+import subprocess
 from Queue import Queue
 
 # URL to Schedule-XML
@@ -222,11 +223,16 @@ def render(infile, outfile, sequence, parameters={}, workdir='artwork'):
 			fp.write( etree.tostring(svg) )
 
 		# invoke inkscape to convert the generated svg-file into a png inside the .frames-directory
-		os.system('cd {0} && inkscape --export-png=.frames/{1:04d}.png .gen.svg >/dev/null 2>&1'.format(workdir, frameNr))
+		errorReturn = subprocess.check_output('cd {0} && inkscape --export-png=.frames/{1:04d}.png .gen.svg 2>&1 >/dev/null'.format(workdir, frameNr), shell=True)
+		if errorReturn != '':
+			print "inkscape exitted with error\n"+errorReturn
+			sys.exit(42)
 
 		# incrwement frame-number
 		frameNr += 1
 
+
+
 	# remove the dv we are about to (re-)generate
 	ensureFilesRemoved(os.path.join(workdir, outfile))