# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
-# TODO Add virtual profiles common, horizontal, vertical
-# This also requires to load all resolutions into the XrandrOutputs
from __future__ import print_function
+import copy
import getopt
import binascii
import re
import subprocess
import sys
+from distutils.version import LooseVersion as Version
from itertools import chain
+from collections import OrderedDict
+
+virtual_profiles = [
+ # (name, description, callback)
+ ("common", "Clone all connected outputs at the largest common resolution", None),
+ ("horizontal", "Stack all connected outputs horizontally at their largest resolution", None),
+ ("vertical", "Stack all connected outputs vertically at their largest resolution", None),
+]
help_text = """
Usage: autorandr [options]
--h, --help get this small help
--c, --change reload current setup
--s, --save <profile> save your current setup to profile <profile>
--l, --load <profile> load profile <profile>
+-h, --help get this small help
+-c, --change reload current setup
+-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
---force force (re)loading of a profile
---fingerprint fingerprint your current hardware setup
---config dump your current xrandr setup
+--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
To prevent a profile from being loaded, place a script call "block" in its
after a mode switch has taken place and can notify window managers.
The following virtual configurations are available:
- TODO
""".strip()
class XrandrOutput(object):
disconnected |
unknown\ connection |
(?P<connected>connected)\s+ # If connected:
+ (?:
(?P<primary>primary\ )? # Might be primary screen
- (?P<width>[0-9]+)x(?P<height>[0-9]+) # Resolution
+ (?P<width>[0-9]+)x(?P<height>[0-9]+) # Resolution (might be overridden below!)
\+(?P<x>[0-9]+)\+(?P<y>[0-9]+)\s+ # Position
- (?P<rotation>[^(]\S+)? # Has a value if the output is rotated
+ (?:\(0x[0-9a-fA-F]+\)\s+)? # XID
+ (?P<rotate>(?:normal|left|right|inverted))\s+ # Rotation
+ (?:(?P<reflect>X\ and\ Y|X|Y)\ axis)? # Reflection
+ )? # .. but everything of the above only if the screen is in use.
).*
(?:\s*(?: # Properties of the output
Gamma: (?P<gamma>[0-9\.:\s]+) | # Gamma value
Transform: (?P<transform>[0-9\.\s]+) | # Transformation matrix
EDID: (?P<edid>[0-9a-f\s]+) | # EDID of the output
- (?![0-9])[^:\s][^:\n]+:.*(?:\s\\t[\\t ].+)* # Other properties
+ (?![0-9])[^:\s][^:\n]+:.*(?:\s\\t[\\t ].+)* # Other properties
))+
\s*
- (?: [0-9]+x[0-9]+.+?\*current.+\s+h:.+\s+v:.+clock\s+(?P<rate>[0-9\.]+)Hz\s* | # Interesting (current) resolution: Extract rate
- [0-9]+x[0-9]+.+\s+h:.+\s+v:.+\s* # Other resolutions
- )*
- $
+ (?P<modes>(?:
+ (?P<mode_width>[0-9]+)x(?P<mode_height>[0-9]+).+?\*current.+\s+
+ h:.+\s+v:.+clock\s+(?P<rate>[0-9\.]+)Hz\s* | # Interesting (current) resolution: Extract rate
+ [0-9]+x[0-9]+.+\s+h:.+\s+v:.+\s* # Other resolutions
+ )*)
+ """
+
+ XRANDR_OUTPUT_MODES_REGEXP = """(?x)
+ (?P<width>[0-9]+)x(?P<height>[0-9]+)
+ .*?(?P<preferred>\+preferred)?
+ \s+h:.+
+ \s+v:.+clock\s+(?P<rate>[0-9\.]+)Hz
"""
+ XRANDR_13_DEFAULTS = {
+ "transform": "1,0,0,0,1,0,0,0,1",
+ }
+
+ XRANDR_12_DEFAULTS = {
+ "reflect": "normal",
+ "rotate": "normal",
+ "gamma": "1.0:1.0:1.0",
+ }
+
+ XRANDR_DEFAULTS = dict(XRANDR_13_DEFAULTS.items() + XRANDR_12_DEFAULTS.items())
+
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))
+ @property
+ def options_with_defaults(self):
+ "Return the options dictionary, augmented with the default values that weren't set"
+ if "off" in self.options:
+ return self.options
+ options = {}
+ if xrandr_version() >= Version("1.3"):
+ options.update(self.XRANDR_13_DEFAULTS)
+ if xrandr_version() >= Version("1.2"):
+ options.update(self.XRANDR_12_DEFAULTS)
+ options.update(self.options)
+ return options
+
@property
def option_vector(self):
"Return the command line parameters for XRandR for this instance"
- return sum([["--%s" % option[0], option[1]] if option[1] else ["--%s" % option[0]] for option in chain((("output", self.output),), self.options.items())], [])
+ return sum([["--%s" % option[0], option[1]] if option[1] else ["--%s" % option[0]] for option in chain((("output", self.output),), self.options_with_defaults.items())], [])
@property
def option_string(self):
self.output = output
self.edid = edid
self.options = options
+ self.remove_default_option_values()
+
+ 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:
+ self.options = { "off": None }
+ return
+ for option, default_value in self.XRANDR_DEFAULTS.items():
+ if option in self.options and self.options[option] == default_value:
+ del self.options[option]
@classmethod
def from_xrandr_output(cls, xrandr_output):
- "Instanciate an XrandrOutput from the output of `xrandr --verbose'"
- match_object = re.search(XrandrOutput.XRANDR_OUTPUT_REGEXP, xrandr_output)
+ """Instanciate an XrandrOutput from the output of `xrandr --verbose'
+
+ This method also returns a list of modes supported by the output.
+ """
+ try:
+ match_object = re.search(XrandrOutput.XRANDR_OUTPUT_REGEXP, xrandr_output)
+ except:
+ raise RuntimeError("Parsing XRandR output failed, there is an error in the regular expression.")
+ if not match_object:
+ debug = debug_regexp(XrandrOutput.XRANDR_OUTPUT_REGEXP, xrandr_output)
+ raise RuntimeError("Parsing XRandR output failed, the regular expression did not match: %s" % debug)
remainder = xrandr_output[len(match_object.group(0)):]
if remainder:
- raise RuntimeError("Parsing XRandR output failed, %d bytes left." % len(remainder))
+ raise RuntimeError(("Parsing XRandR output failed, %d bytes left unmatched after regular expression,"
+ "starting with ..'%s'.") % (len(remainder), remainder[:10]))
+
+
match = match_object.groupdict()
+ modes = []
+ if match["modes"]:
+ modes = [ x.groupdict() for x in re.finditer(XrandrOutput.XRANDR_OUTPUT_MODES_REGEXP, match["modes"]) ]
+ if not modes:
+ raise RuntimeError("Parsing XRandR output failed, couldn't find any display modes")
+
options = {}
if not match["connected"]:
options["off"] = None
edid = None
+ elif not match["width"]:
+ options["off"] = None
+ edid = "".join(match["edid"].strip().split())
else:
- if not match["rotation"]:
- options["mode"] = "%sx%s" % (match["width"], match["height"])
+ if match["mode_width"]:
+ options["mode"] = "%sx%s" % (match["mode_width"], match["mode_height"])
else:
- options["mode"] = "%sx%s" % (match["height"], match["width"])
+ if match["rotate"] not in ("left", "right"):
+ options["mode"] = "%sx%s" % (match["width"], match["height"])
+ else:
+ options["mode"] = "%sx%s" % (match["height"], match["width"])
+ options["rotate"] = match["rotate"]
+ if match["primary"]:
+ options["primary"] = None
+ if match["reflect"] == "X":
+ options["reflect"] = "x"
+ elif match["reflect"] == "Y":
+ options["reflect"] = "y"
+ elif match["reflect"] == "X and Y":
+ options["reflect"] = "xy"
options["pos"] = "%sx%s" % (match["x"], match["y"])
if match["transform"]:
transformation = ",".join(match["transform"].strip().split())
if transformation != "1.000000,0.000000,0.000000,0.000000,1.000000,0.000000,0.000000,0.000000,1.000000":
options["transform"] = transformation
- else:
- options["transform"] = "none"
+ if not match["mode_width"]:
+ # TODO We'd need to apply the reverse transformation here. Let's see if someone complains, I doubt that this
+ # special case is actually required.
+ print("Warning: Output %s has a transformation applied. Could not determine correct mode!", file=sys.stderr)
if match["gamma"]:
gamma = match["gamma"].strip()
- if gamma != "1.0:1.0:1.0":
- options["gamma"] = gamma
+ options["gamma"] = gamma
if match["rate"]:
options["rate"] = match["rate"]
edid = "".join(match["edid"].strip().split())
- return XrandrOutput(match["output"], edid, options)
+ return XrandrOutput(match["output"], edid, options), modes
@classmethod
def from_config_file(cls, edid_map, configuration):
if line:
line = line.split(None, 1)
options[line[0]] = line[1] if len(line) > 1 else None
- if "off" in options:
- edid = None
+
+ edid = None
+
+ if options["output"] in edid_map:
+ edid = edid_map[options["output"]]
else:
- if options["output"] in edid_map:
- edid = edid_map[options["output"]]
- else:
- fuzzy_edid_map = [ re.sub("(card[0-9]+|-)", "", x) for x in edid_map.keys() ]
- fuzzy_output = re.sub("(card[0-9]+|-)", "", options["output"])
- if fuzzy_output not in fuzzy_edid_map:
- raise RuntimeError("Failed to find a corresponding output in config/setup for output `%s'" % options["output"])
- edid = edid_map[edid_map.keys()[fuzzy_edid_map.index(fuzzy_output)]]
+ # This fuzzy matching is for legacy autorandr that used sysfs output names
+ fuzzy_edid_map = [ re.sub("(card[0-9]+|-)", "", x) for x in edid_map.keys() ]
+ fuzzy_output = re.sub("(card[0-9]+|-)", "", options["output"])
+ if fuzzy_output in fuzzy_edid_map:
+ edid = edid_map[list(edid_map.keys())[fuzzy_edid_map.index(fuzzy_output)]]
+ elif "off" not in options:
+ raise RuntimeError("Failed to find an EDID for output `%s' in setup file, required as `%s' is not off in config file."
+ % (options["output"], options["output"]))
output = options["output"]
del options["output"]
return self.edid == other.edid
def __eq__(self, other):
- return self.edid == other.edid and self.output == other.output and self.options == other.options
+ return self.edid_equals(other) and self.output == other.output and self.options == other.options
+
+def xrandr_version():
+ "Return the version of XRandR that this system uses"
+ if getattr(xrandr_version, "version", False) is False:
+ version_string = os.popen("xrandr -v").read()
+ try:
+ version = re.search("xrandr program version\s+([0-9\.]+)", version_string).group(1)
+ xrandr_version.version = Version(version)
+ except AttributeError:
+ xrandr_version.version = Version("1.3.0")
+
+ return xrandr_version.version
+
+def debug_regexp(pattern, string):
+ "Use the partial matching functionality of the regex module to display debug info on a non-matching regular expression"
+ try:
+ import regex
+ bounds = ( 0, len(string) )
+ while bounds[0] != bounds[1]:
+ half = int((bounds[0] + bounds[1]) / 2)
+ if half == bounds[0]:
+ break
+ bounds = (half, bounds[1]) if regex.search(pattern, string[:half], partial=True) else (bounds[0], half - 1)
+ partial_length = bounds[0]
+ return ("Regular expression matched until position "
+ "%d, ..'%s', and did not match from '%s'.." % (partial_length, string[max(0, partial_length-20):partial_length],
+ string[partial_length:partial_length+10]))
+ except ImportError:
+ pass
+ return "Debug information available if `regex' module is installed."
def parse_xrandr_output():
"Parse the output of `xrandr --verbose' into a list of outputs"
# Split at output boundaries and instanciate an XrandrOutput per output
split_xrandr_output = re.split("(?m)^([^ ]+ (?:(?:dis)?connected|unknown connection).*)$", xrandr_output)
- outputs = { split_xrandr_output[i].split()[0]: XrandrOutput.from_xrandr_output("".join(split_xrandr_output[i:i+2])) for i in range(1, len(split_xrandr_output), 2) }
+ outputs = OrderedDict()
+ modes = OrderedDict()
+ for i in range(1, len(split_xrandr_output), 2):
+ output_name = split_xrandr_output[i].split()[0]
+ output, output_modes = XrandrOutput.from_xrandr_output("".join(split_xrandr_output[i:i+2]))
+ outputs[output_name] = output
+ if output_modes:
+ modes[output_name] = output_modes
- return outputs
+ return outputs, modes
def load_profiles(profile_path):
"Load the stored profiles"
else:
buffer.append(line)
+ for output_name in list(config.keys()):
+ if config[output_name].edid is None:
+ del config[output_name]
+
profiles[profile] = config
return profiles
def output_setup(configuration, setup):
"Write a setup (fingerprint) file"
- outputs = sorted(configuration.keys(), key=lambda x: configuration[x].sort_key)
+ outputs = sorted(configuration.keys())
for output in outputs:
if configuration[output].edid:
print(output, configuration[output].edid, file=setup)
"Save a configuration into a profile"
if not os.path.isdir(profile_path):
os.makedirs(profile_path)
- outputs = sorted(configuration.keys(), key=lambda x: configuration[x].sort_key)
with open(os.path.join(profile_path, "config"), "w") as config:
output_configuration(configuration, config)
with open(os.path.join(profile_path, "setup"), "w") as setup:
# Disable all unused outputs
argv = base_argv[:]
for output in outputs:
- if not configuration[output].edid:
+ if not configuration[output].edid or "off" in configuration[output].options:
argv += configuration[output].option_vector
- if subprocess.call(argv) != 0:
- return False
+ if argv != base_argv:
+ if subprocess.call(argv) != 0:
+ return False
# Enable remaining outputs in pairs of two
remaining_outputs = [ x for x in outputs if configuration[x].edid ]
if subprocess.call((base_argv[:] + configuration[remaining_outputs[index]].option_vector + (configuration[remaining_outputs[index + 1]].option_vector if index < len(remaining_outputs) - 1 else []))) != 0:
return False
+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():
+ if output_name not in target_configuration:
+ target_configuration[output_name] = XrandrOutput(output_name, output.edid, { "off": None })
+
+def generate_virtual_profile(configuration, modes, profile_name):
+ "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 = 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:
+ configuration[output].options["mode"] = "%sx%s" % common_resolution[-1]
+ configuration[output].options["pos"] = "0x0"
+ else:
+ configuration[output].options["off"] = None
+ elif profile_name in ("horizontal", "vertical"):
+ shift = 0
+ if profile_name == "horizontal":
+ shift_index = "width"
+ pos_specifier = "%sx0"
+ else:
+ shift_index = "height"
+ pos_specifier = "0x%s"
+
+ for output in configuration:
+ configuration[output].options = {}
+ if output in modes:
+ 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"] = "%sx%s" % (mode["width"], mode["height"])
+ configuration[output].options["rate"] = mode["rate"]
+ configuration[output].options["pos"] = pos_specifier % shift
+ shift += int(mode[shift_index])
+ else:
+ configuration[output].options["off"] = None
+ return configuration
+
def exit_help():
"Print help and exit"
print(help_text)
+ for profile in virtual_profiles:
+ print(" %-10s %s" % profile[:2])
sys.exit(0)
def exec_scripts(profile_path, script_name):
subprocess.call(script)
def main(argv):
- options = dict(getopt.getopt(argv[1:], "s:l:d:cfh", [ "dry-run", "change", "default=", "save=", "load=", "force", "fingerprint", "config", "help" ])[0])
+ try:
+ options = dict(getopt.getopt(argv[1:], "s:l:d:cfh", [ "dry-run", "change", "default=", "save=", "load=", "force", "fingerprint", "config", "help" ])[0])
+ except getopt.GetoptError as e:
+ print(str(e))
+ options = { "--help": True }
profile_path = os.path.expanduser("~/.autorandr")
- profiles = load_profiles(profile_path)
- config = parse_xrandr_output()
+
+ try:
+ profiles = load_profiles(profile_path)
+ except OSError as e:
+ if e.errno == 2: # No such file or directory
+ profiles = {}
+ else:
+ raise e
+ except Exception as e:
+ print("Failed to load profiles:\n%s" % str(e), file=sys.stderr)
+ sys.exit(1)
+
+ try:
+ config, modes = parse_xrandr_output()
+ except Exception as e:
+ print("Failed to parse current configuration from XRandR:\n%s" % str(e), file=sys.stderr)
+ sys.exit(1)
if "--fingerprint" in options:
output_setup(config, sys.stdout)
if "-s" in options:
options["--save"] = options["-s"]
if "--save" in options:
- save_configuration(os.path.join(profile_path, options["--save"]), config)
+ if options["--save"] in ( x[0] for x in virtual_profiles ):
+ print("Cannot save current configuration as profile '%s':\nThis configuration name is a reserved virtual configuration." % options["--save"])
+ sys.exit(1)
+ try:
+ save_configuration(os.path.join(profile_path, options["--save"]), config)
+ except Exception as e:
+ print("Failed to save current configuration as profile '%s':\n%s" % (options["--save"], str(e)), file=sys.stderr)
+ sys.exit(1)
print("Saved current configuration as profile '%s'" % options["--save"])
sys.exit(0)
options["--load"] = options["-l"]
if "--load" in options:
load_profile = options["--load"]
-
- for profile_name in profiles.keys():
- if profile_blocked(os.path.join(profile_path, profile_name)):
- print("%s (blocked)" % profile_name)
- continue
- if detected_profile == profile_name:
- print("%s (detected)" % profile_name)
- if "-c" in options or "--change" in options:
- load_profile = detected_profile
- else:
- print(profile_name)
+ else:
+ for profile_name in profiles.keys():
+ if profile_blocked(os.path.join(profile_path, profile_name)):
+ print("%s (blocked)" % profile_name)
+ continue
+ if detected_profile == profile_name:
+ print("%s (detected)" % profile_name)
+ if "-c" in options or "--change" in options:
+ load_profile = detected_profile
+ else:
+ print(profile_name)
if "-d" in options:
options["--default"] = options["-d"]
load_profile = options["--default"]
if load_profile:
- profile = profiles[load_profile]
+ if load_profile in ( x[0] for x in virtual_profiles ):
+ profile = generate_virtual_profile(config, modes, load_profile)
+ else:
+ try:
+ profile = profiles[load_profile]
+ except KeyError:
+ print("Failed to load profile '%s':\nProfile not found" % load_profile, file=sys.stderr)
+ sys.exit(1)
+ add_unused_outputs(config, profile)
if profile == config and not "-f" in options and not "--force" in options:
print("Config already loaded")
sys.exit(0)
- exec_scripts(os.path.join(profile_path, load_profile), "preswitch")
- apply_configuration(profile, "--dry-run" in options)
- exec_scripts(os.path.join(profile_path, load_profile), "postswitch")
+ try:
+ if "--dry-run" in options:
+ apply_configuration(profile, True)
+ else:
+ exec_scripts(os.path.join(profile_path, load_profile), "preswitch")
+ apply_configuration(profile, False)
+ exec_scripts(os.path.join(profile_path, load_profile), "postswitch")
+ except Exception as e:
+ print("Failed to apply profile '%s':\n%s" % (load_profile, str(e)), file=sys.stderr)
+ sys.exit(1)
sys.exit(0)
if __name__ == '__main__':
- main(sys.argv)
+ try:
+ main(sys.argv)
+ except Exception as e:
+ print("General failure. Please report this as a bug:\n%s" % (str(e),), file=sys.stderr)
+ sys.exit(1)
projects / deb_pkgs / autorandr.git / blobdiff