Don't make unknown xrandr lines a fatal error - my xrandr shows strange stuff when...

[lilass.git] / dsl.py

diff --git a/dsl.py b/dsl.py
index d5802764c5e8c6167d05c000b5816fdb7606d8b5..e1a945e5208454ac58deb0dfd083ce64f94f6fb1 100755 (executable)
--- a/dsl.py
+++ b/dsl.py
@@ -51,8 +51,10 @@ def getXrandrInformation():
        connectors = {} # map of connector names to a list of resolutions
        connector = None # current connector
        for line in p.stdout:
-               # ignore screens
-               if line.startswith("Screen"):
+               # 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)
@@ -66,7 +68,14 @@ def getXrandrInformation():
                if m is not None:
                        assert connector is not None
                        connectors[connector].append((int(m.groups()[0]), int(m.groups()[1])))
+                       continue
+               # unknown line
+               # not fatal as my xrandr shows strange stuff when a display is enabled, but not connected
+               #raise Exception("Unknown line in xrandr output:\n"+line)
+               print "Warning: Unknown xrandr line %s" % 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
 
@@ -114,7 +123,9 @@ 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)