introduce rendertask class and more py3 compat stuff

fossgis14/__init__.py

@@ -160,11 +160,11 @@ def tasks(queue):
 	for event in events():
 
 		# generate a task description and put them into the queue
-		queue.put((
-			'intro.svg',
-			str(event['id'])+".dv",
-			introFrames,
-			{
+		queue.put(Rendertask(
+			infile = 'intro.svg',
+			outfile = str(event['id'])+".dv",
+			sequence = introFrames,
+			parameters = {
 				'$id': event['id'],
 				'$title': event['title'],
 				'$subtitle': event['subtitle'],
@@ -173,15 +173,15 @@ def tasks(queue):
 		))
 
 	# place a task for the outro into the queue
-	queue.put((
-		'outro.svg',
-		'outro.dv',
-		outroFrames
+	queue.put(Rendertask(
+		infile = 'outro.svg',
+		outfile = 'outro.dv',
+		sequence = outroFrames
 	))
 
 	# place the pause-sequence into the queue
-	queue.put((
-		'pause.svg',
-		'pause.dv',
-		pauseFrames
+	queue.put(Rendertask(
+		infile = 'pause.svg',
+		outfile = 'pause.dv',
+		sequence = pauseFrames
 	))