X-Git-Url: https://git.ralfj.de/lilass.git/blobdiff_plain/f8b82a2309bc55f7a216669038dccacf650c6878..467c84630b284769e555be54f2d47eecc36ed7df:/dsl.py

diff --git a/dsl.py b/dsl.py
index b4f77bf..2baca7d 100755
--- a/dsl.py
+++ b/dsl.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 # DSL - easy Display Setup for Laptops
 # Copyright (C) 2012 Ralf Jung <post@ralfj.de>
 #
@@ -57,15 +57,15 @@ class ScreenSetup:
 		return args
 
 # Load a section-less config file: maps parameter names to space-separated lists of strings (with shell quotation)
-def loadConfigFile(file):
+def loadConfigFile(filename):
 	import shlex
 	result = {}
-	if not os.path.exists(file):
+	if not os.path.exists(filename):
 		return result # no config file
 	# read config file
 	linenr = 0
-	with open(file) as file:
-		for line in file:
+	with open(filename) as f:
+		for line in f:
 			linenr += 1
 			line = line.strip()
 			if not len(line) or line.startswith("#"): continue # skip empty and comment lines
@@ -82,10 +82,9 @@ def loadConfigFile(file):
 # helper function: execute a process, return output as iterator, throw exception if there was an error
 # you *must* iterate to the end if you use this!
 def processOutputGen(*args):
-	p = subprocess.Popen(args, stdout=subprocess.PIPE)
-	for line in p.stdout:
-		yield line
-	p.wait() # wait for process to exit (it closed stdout, so it can't block anymore)
+	with subprocess.Popen(args, stdout=subprocess.PIPE) as p:
+		for line in p.stdout:
+			yield line.decode("utf-8")
 	if p.returncode != 0:
 		raise Exception("Error executing "+str(args))
 def processOutputIt(*args):
@@ -118,7 +117,7 @@ def getXrandrInformation():
 		# 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
+		print("Warning: Unknown xrandr line %s" % line)
 	return connectors
 
 # convert a (width, height) pair into a string accepted by xrandr as argument for --mode
@@ -171,7 +170,7 @@ def classifyConnectors(allConnectors):
 			if connector == internalConnector:
 				raise Exception("%s is both internal and external, that doesn't make sense." % connector)
 	else:
-		externalConnectors = allConnectors.keys()
+		externalConnectors = list(allConnectors.keys())
 		externalConnectors.remove(internalConnector)
 	if not externalConnectors:
 		raise Exception("No external connector found - either your config is wrong, or your machine has only one connector.")
@@ -189,6 +188,9 @@ if __name__ == "__main__":
 		parser.add_argument("-r, --relative-position",
 							dest="rel_position", choices=('left', 'right', 'external-only'),
 							help="Position of external screen relative to internal one")
+		parser.add_argument("-i,--internal-only",
+							dest="internal_only", action='store_true',
+							help="Enable internal screen, disable all the others (as if no external screen was connected")
 		cmdArgs = parser.parse_args()
 		
 		# load frontend
@@ -206,7 +208,7 @@ if __name__ == "__main__":
 		# check whether we got an external screen or not
 		# Check what to do
 		usedExternalConnector = findAvailableConnector(externalConnectors, connectors) # *the* external connector which is actually used
-		if usedExternalConnector is not None:
+		if not cmdArgs.internal_only and usedExternalConnector is not None:
 			# there's an external screen connected, we need to get a setup
 			if cmdArgs.rel_position is not None:
 				# use command-line arguments (can we do this relPosition stuff more elegant?)
@@ -232,8 +234,14 @@ if __name__ == "__main__":
 		call = ["xrandr"]
 		for name in connectorArgs:
 			call += ["--output", name] + connectorArgs[name]
-		print "Call that will be made:",call
+		print("Call that will be made:",call)
 		subprocess.check_call(call)
+		
+		# make sure the internal screen is really, *really* turned on if requested
+		if cmdArgs.internal_only:
+			backlight = float(subprocess.check_output(["xbacklight", "-get"]).strip())
+			if backlight == 0: # it's completely turned off, we better enable it
+				subprocess.check_call(["xbacklight", "-set", "100"])
 	except Exception as e:
 		frontend.error(str(e))
 		raise