X-Git-Url: https://git.ralfj.de/lilass.git/blobdiff_plain/03573e36b3921cdf01c762099ede7a0a9884cd92..4adba90eb31a8d517215ee89b9b4e94b1d2bf6dd:/dsl.py

diff --git a/dsl.py b/dsl.py
index 0704d3e..fd7f108 100755
--- a/dsl.py
+++ b/dsl.py
@@ -49,32 +49,30 @@ def loadConfigFile(file):
 def getXrandrInformation():
 	p = subprocess.Popen(["xrandr", "-q"], stdout=subprocess.PIPE)
 	connectors = {} # map of connector names to a list of resolutions
-	try:
-		connector = None # current connector
-		for line in p.stdout:
-			# screen?
-			m = re.search(r'^Screen [0-9]+: ', line)
-			if m is not None: # ignore this line
-				connector = None
-				continue
-			# new connector?
-			m = re.search(r'^([\w\-]+) (dis)?connected ', line)
-			if m is not None:
-				connector = m.groups()[0]
-				assert connector not in connectors
-				connectors[connector] = []
-				continue
-			# new resolution?
-			m = re.search(r'^   ([\d]+)x([\d]+) +', line)
-			if m is not None:
-				assert connector is not None
-				connectors[connector].append((int(m.groups()[0]), int(m.groups()[1])))
-				continue
-			# unknown line
-			raise Exception("Unknown line in xrandr output:\n"+line)
-	finally:
-		# be sure to always proprly finish up with the xrandr
-		p.communicate()
+	connector = None # current connector
+	for line in p.stdout:
+		# screen?
+		m = re.search(r'^Screen [0-9]+: ', line)
+		if m is not None: # ignore this line
+			connector = None
+			continue
+		# new connector?
+		m = re.search(r'^([\w\-]+) (dis)?connected ', line)
+		if m is not None:
+			connector = m.groups()[0]
+			assert connector not in connectors
+			connectors[connector] = []
+			continue
+		# new resolution?
+		m = re.search(r'^   ([\d]+)x([\d]+) +', line)
+		if m is not None:
+			assert connector is not None
+			connectors[connector].append((int(m.groups()[0]), int(m.groups()[1])))
+			continue
+		# unknown line
+		raise Exception("Unknown line in xrandr output:\n"+line)
+	# be sure to always proprly finish up with the xrandr
+	p.communicate()
 	# if everything succeededso far, check return code
 	if p.returncode != 0: raise Exception("Querying xrandr for data failed.")
 	return connectors
@@ -123,7 +121,9 @@ def main():
 		externalConnectors = config['externalConnectors']
 		for connector in externalConnectors:
 			if not connector in connectors:
-				raise Exception("Connector %s does not exist, there is an error in your config file." % internalConnector)
+				raise Exception("Connector %s does not exist, there is an error in your config file." % connector)
+			if connector == internalConnector:
+				raise Exception("%s is both internal and external, that doesn't make sense." % connector)
 	else:
 		externalConnectors = connectors.keys()
 		externalConnectors.remove(internalConnector)