import sys
from distutils.version import LooseVersion as Version
+from functools import reduce
from itertools import chain
from collections import OrderedDict
-s, --save <profile> save your current setup to profile <profile>
-l, --load <profile> load profile <profile>
-d, --default <profile> make profile <profile> the default profile
+--skip-options <option> comma separated list of xrandr arguments (e.g. "gamma")
+ to skip both in detecting changes and applying a profile
--force force (re)loading of a profile
--fingerprint fingerprint your current hardware setup
--config dump your current xrandr setup
--dry-run don't change anything, only print the xrandr commands
+--debug enable verbose output
To prevent a profile from being loaded, place a script call "block" in its
directory. The script is evaluated before the screen setup is inspected, and
(?:[\ \t]*tracking\ (?P<tracking>[0-9]+x[0-9]+\+[0-9]+\+[0-9]+))? # Tracking information
(?:[\ \t]*border\ (?P<border>(?:[0-9]+/){3}[0-9]+))? # Border information
(?:\s*(?: # Properties of the output
- Gamma: (?P<gamma>[0-9\.: ]+) | # Gamma value
+ Gamma: (?P<gamma>(?:inf|[0-9\.: e])+) | # Gamma value
Transform: (?P<transform>(?:[\-0-9\. ]+\s+){3}) | # Transformation matrix
EDID: (?P<edid>\s*?(?:\\n\\t\\t[0-9a-f]+)+) | # EDID of the output
(?![0-9])[^:\s][^:\n]+:.*(?:\s\\t[\\t ].+)* # Other properties
EDID_UNAVAILABLE = "--CONNECTED-BUT-EDID-UNAVAILABLE-"
def __repr__(self):
- return "<%s%s %s>" % (self.output, (" %s..%s" % (self.edid[:5], self.edid[-5:])) if self.edid else "", " ".join(self.option_vector))
+ return "<%s%s %s>" % (self.output, self.short_edid, " ".join(self.option_vector))
+
+ @property
+ def short_edid(self):
+ return ("%s..%s" % (self.edid[:5], self.edid[-5:])) if self.edid else ""
@property
def options_with_defaults(self):
if xrandr_version() >= Version("1.2"):
options.update(self.XRANDR_12_DEFAULTS)
options.update(self.options)
- return options
+ return { a: b for a, b in options.items() if a not in self.ignored_options }
+
+ @property
+ def filtered_options(self):
+ "Return a dictionary of options without ignored options"
+ return { a: b for a, b in self.options.items() if a not in self.ignored_options }
@property
def option_vector(self):
@property
def option_string(self):
"Return the command line parameters in the configuration file format"
- return "\n".join([ " ".join(option) if option[1] else option[0] for option in chain((("output", self.output),), sorted(self.options.items()))])
+ return "\n".join([ " ".join(option) if option[1] else option[0] for option in chain((("output", self.output),), sorted(self.filtered_options.items()))])
@property
def sort_key(self):
self.output = output
self.edid = edid
self.options = options
+ self.ignored_options = []
self.remove_default_option_values()
+ def set_ignored_options(self, options):
+ "Set a list of xrandr options that are never used (neither when comparing configurations nor when applying them)"
+ self.ignored_options = list(options)
+
def remove_default_option_values(self):
"Remove values from the options dictionary that are superflous"
if "off" in self.options and len(self.options.keys()) > 1:
print("Warning: Output %s has a transformation applied. Could not determine correct mode! Using `%s'." % (match["output"], options["mode"]), file=sys.stderr)
if match["gamma"]:
gamma = match["gamma"].strip()
+ # xrandr prints different values in --verbose than it accepts as a parameter value for --gamma
+ # Also, it is not able to work with non-standard gamma ramps. Finally, it auto-corrects 0 to 1,
+ # so we approximate by 1e-10.
+ gamma = ":".join([ str(max(1e-10, round(1./float(x), 3))) for x in gamma.split(":") ])
options["gamma"] = gamma
if match["rate"]:
options["rate"] = match["rate"]
return hashlib.md5(binascii.unhexlify(self.edid)).hexdigest() == other.edid
return self.edid == other.edid
+ def __ne__(self, other):
+ return not (self == other)
+
def __eq__(self, other):
- return self.edid_equals(other) and self.output == other.output and self.options == other.options
+ return self.edid_equals(other) and self.output == other.output and self.filtered_options == other.filtered_options
+
+ def verbose_diff(self, other):
+ "Compare to another XrandrOutput and return a list of human readable differences"
+ diffs = []
+ if not self.edid_equals(other):
+ diffs.append("EDID `%s' differs from `%s'" % (self.short_edid, other.short_edid))
+ if self.output != other.output:
+ diffs.append("Output name `%s' differs from `%s'" % (self.output, other.output))
+ if "off" in self.options and "off" not in other.options:
+ diffs.append("The output is disabled currently, but active in the new configuration")
+ elif "off" in other.options and "off" not in self.options:
+ diffs.append("The output is currently enabled, but inactive in the new configuration")
+ else:
+ for name in set(chain.from_iterable((self.options.keys(), other.options.keys()))):
+ if name not in other.options:
+ diffs.append("Option --%s %sis not present in the new configuration" % (name, "(= `%s') " % self.options[name] if self.options[name] else ""))
+ elif name not in self.options:
+ diffs.append("Option --%s (`%s' in the new configuration) is not present currently" % (name, other.options[name]))
+ elif self.options[name] != other.options[name]:
+ diffs.append("Option --%s %sis `%s' in the new configuration" % (name, "(= `%s') " % self.options[name] if self.options[name] else "", other.options[name]))
+ return diffs
def xrandr_version():
"Return the version of XRandR that this system uses"
if subprocess.call(argv) != 0:
raise AutorandrException("Command failed: %s" % " ".join(argv))
+def is_equal_configuration(source_configuration, target_configuration):
+ "Check if all outputs from target are already configured correctly in source"
+ for output in target_configuration.keys():
+ if (output not in source_configuration) or (source_configuration[output] != target_configuration[output]):
+ return False
+ return True
+
def add_unused_outputs(source_configuration, target_configuration):
"Add outputs that are missing in target to target, in 'off' state"
for output_name, output in source_configuration.items():
"Generate one of the virtual profiles"
configuration = copy.deepcopy(configuration)
if profile_name == "common":
- common_resolution = [ set(( ( mode["width"], mode["height"] ) for mode in output )) for output in modes.values() ]
+ common_resolution = [ set(( ( mode["width"], mode["height"] ) for mode in output_modes )) for output, output_modes in modes.items() if configuration[output].edid ]
common_resolution = reduce(lambda a, b: a & b, common_resolution[1:], common_resolution[0])
common_resolution = sorted(common_resolution, key=lambda a: int(a[0])*int(a[1]))
if common_resolution:
for output in configuration:
configuration[output].options = {}
- if output in modes:
+ if output in modes and configuration[output].edid:
configuration[output].options["mode"] = [ x["name"] for x in sorted(modes[output], key=lambda x: 0 if x["preferred"] else 1) if x["width"] == common_resolution[-1][0] and x["height"] == common_resolution[-1][1] ][0]
configuration[output].options["pos"] = "0x0"
else:
for output in configuration:
configuration[output].options = {}
- if output in modes:
+ if output in modes and configuration[output].edid:
mode = sorted(modes[output], key=lambda a: int(a["width"])*int(a["height"]) + (10**6 if a["preferred"] else 0))[-1]
configuration[output].options["mode"] = mode["name"]
configuration[output].options["rate"] = mode["rate"]
configuration[output].options["off"] = None
return configuration
+def print_profile_differences(one, another):
+ "Print the differences between two profiles for debugging"
+ if one == another:
+ return
+ print("| Differences between the two profiles:", file=sys.stderr)
+ for output in set(chain.from_iterable((one.keys(), another.keys()))):
+ if output not in one:
+ if "off" not in another[output].options:
+ print("| Output `%s' is missing from the active configuration" % output, file=sys.stderr)
+ elif output not in another:
+ if "off" not in one[output].options:
+ print("| Output `%s' is missing from the new configuration" % output, file=sys.stderr)
+ else:
+ for line in one[output].verbose_diff(another[output]):
+ print("| [Output %s] %s" % (output, line), file=sys.stderr)
+ print ("\\-", file=sys.stderr)
+
def exit_help():
"Print help and exit"
print(help_text)
def main(argv):
try:
- options = dict(getopt.getopt(argv[1:], "s:l:d:cfh", [ "dry-run", "change", "default=", "save=", "load=", "force", "fingerprint", "config", "help" ])[0])
+ options = dict(getopt.getopt(argv[1:], "s:l:d:cfh", [ "dry-run", "change", "default=", "save=", "load=", "force", "fingerprint", "config", "debug", "skip-options=", "help" ])[0])
except getopt.GetoptError as e:
print("Failed to parse options: {0}.\n"
"Use --help to get usage information.".format(str(e)),
output_configuration(config, sys.stdout)
sys.exit(0)
+ if "--skip-options" in options:
+ skip_options = [ y[2:] if y[:2] == "--" else y for y in ( x.strip() for x in options["--skip-options"].split(",") ) ]
+ for profile in profiles.values():
+ for output in profile["config"].values():
+ output.set_ignored_options(skip_options)
+ for output in config.values():
+ output.set_ignored_options(skip_options)
+
if "-s" in options:
options["--save"] = options["-s"]
if "--save" in options:
if profile_blocked(os.path.join(profile_path, profile_name)):
print("%s (blocked)" % profile_name, file=sys.stderr)
continue
+ props = []
if profile_name in detected_profiles:
- print("%s (detected)" % profile_name, file=sys.stderr)
+ props.append("(detected)")
if ("-c" in options or "--change" in options) and not load_profile:
load_profile = profile_name
- else:
- print(profile_name, file=sys.stderr)
+ configs_are_equal = is_equal_configuration(config, profiles[profile_name]["config"])
+ if configs_are_equal:
+ props.append("(current)")
+ print("%s%s%s" % (profile_name, " " if props else "", " ".join(props)), file=sys.stderr)
+ if not configs_are_equal and "--debug" in options and profile_name in detected_profiles:
+ print_profile_differences(config, profiles[profile_name]["config"])
if "-d" in options:
options["--default"] = options["-d"]
if load_config == dict(config) and not "-f" in options and not "--force" in options:
print("Config already loaded", file=sys.stderr)
sys.exit(0)
+ if "--debug" in options and load_config != dict(config):
+ print("Loading profile '%s'" % load_profile)
+ print_profile_differences(config, load_config)
+
remove_irrelevant_outputs(config, load_config)
try:
except Exception as e:
raise AutorandrException("Failed to apply profile '%s'" % load_profile, e, True)
+ if "--dry-run" not in options and "--debug" in options:
+ new_config, _ = parse_xrandr_output()
+ if not is_equal_configuration(new_config, load_config):
+ print("The configuration change did not go as expected:")
+ print_profile_differences(new_config, load_config)
+
sys.exit(0)
if __name__ == '__main__':