X-Git-Url: https://git.ralfj.de/lilass.git/blobdiff_plain/aaa0b27561726d84cc7c3fcfd16302c87dc628d7..d77e9097419eef1edeb9dad22c0c6a192d6322fe:/dsl.py

diff --git a/dsl.py b/dsl.py
index 9dd2223..ef2ed3e 100755
--- a/dsl.py
+++ b/dsl.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 # DSL - easy Display Setup for Laptops
-# Copyright (C) 2012 Ralf Jung <post@ralfj.de>
+# Copyright (C) 2012-2014 Ralf Jung <post@ralfj.de>
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -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):
@@ -183,12 +182,15 @@ if __name__ == "__main__":
 	try:
 		# parse command-line arguments
 		parser = argparse.ArgumentParser(description='easy Display Setup for Laptops')
-		parser.add_argument("-f, --frontend",
+		parser.add_argument("-f", "--frontend",
 							dest="frontend",
 							help="The frontend to be used for user interaction")
-		parser.add_argument("-r, --relative-position",
+		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?)
@@ -234,6 +236,12 @@ if __name__ == "__main__":
 			call += ["--output", name] + connectorArgs[name]
 		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