# autorandr.py
# Copyright (c) 2015, Phillip Berndt
#
-# Experimental autorandr rewrite in Python
+# Autorandr rewrite in Python
#
# This script aims to be fully compatible with the original autorandr.
#
import re
import subprocess
import sys
+from distutils.version import LooseVersion as Version
from itertools import chain
from collections import OrderedDict
To change this behaviour and switch to a fallback configuration, specify
--default <profile>.
- Another script called "postswitch "can be placed in the directory
- ~/.autorandr as well as in any profile directories: The scripts are executed
- after a mode switch has taken place and can notify window managers.
+ Another script called "postswitch" can be placed in the directory
+ ~/.config/autorandr (or ~/.autorandr if you have an old installation) as well
+ as in any profile directories: The scripts are executed after a mode switch
+ has taken place and can notify window managers.
The following virtual configurations are available:
""".strip()
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
(?:\(0x[0-9a-fA-F]+\)\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
+ Gamma: (?P<gamma>[0-9\.: ]+) | # 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
))+
\s*
(?P<modes>(?:
- [0-9]+x[0-9]+.+?\*current.+\s+h:.+\s+v:.+clock\s+(?P<rate>[0-9\.]+)Hz\s* | # Interesting (current) resolution: Extract rate
+ (?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
)*)
"""
\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(list(XRANDR_13_DEFAULTS.items()) + list(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):
This method also returns a list of modes supported by the output.
"""
try:
+ xrandr_output = xrandr_output.replace("\r\n", "\n")
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.")
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 unmatched after regular expression,"
- "starting with ..'%s'.") % (len(remainder), remainder[:10]))
-
+ raise RuntimeError(("Parsing XRandR output failed, %d bytes left unmatched after regular expression, "
+ "starting at byte %d with ..'%s'.") % (len(remainder), len(len(match_object.group(0))), remainder[:10]))
match = match_object.groupdict()
if not match["connected"]:
options["off"] = None
edid = None
+ elif not match["width"]:
+ options["off"] = None
+ edid = "".join(match["edid"].strip().split())
else:
- if match["rotate"] not in ("left", "right"):
- 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"]
- options["reflect"] = "normal"
- if "reflect" in match:
- if match["reflect"] == "X":
- options["reflect"] = "x"
- elif match["reflect"] == "Y":
- options["reflect"] = "y"
- elif match["reflect"] == "X and Y":
- options["reflect"] = "xy"
+ 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())
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"])
+ # 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"
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 "
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
# Disable all unused outputs
argv = base_argv[:]
+ disable_argv = []
for output in outputs:
- if not configuration[output].edid:
- argv += configuration[output].option_vector
- if subprocess.call(argv) != 0:
- return False
+ if not configuration[output].edid or "off" in configuration[output].options:
+ disable_argv += configuration[output].option_vector
+ if disable_argv:
+ if subprocess.call(base_argv + disable_argv) != 0:
+ # Disabling the outputs failed. Retry with the next command:
+ # Sometimes disabling of outputs fails due to an invalid RRSetScreenSize.
+ # This does not occur if simultaneously the primary screen is reset.
+ pass
+ else:
+ disable_argv = []
# Enable remaining outputs in pairs of two
remaining_outputs = [ x for x in outputs if configuration[x].edid ]
for index in range(0, len(remaining_outputs), 2):
- 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
+ argv = base_argv[:]
+ if disable_argv:
+ argv += disable_argv
+ disable_argv = []
+ argv += configuration[remaining_outputs[index]].option_vector + (configuration[remaining_outputs[index + 1]].option_vector if index < len(remaining_outputs) - 1 else [])
+ if subprocess.call(argv) != 0:
+ raise RuntimeError("Command failed: %s" % " ".join(argv))
+
+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"
print(str(e))
options = { "--help": True }
- profile_path = os.path.expanduser("~/.autorandr")
-
+ profiles = {}
try:
- profiles = load_profiles(profile_path)
+ # Load profiles from each XDG config directory
+ for directory in os.environ.get("XDG_CONFIG_DIRS", "").split(":"):
+ system_profile_path = os.path.join(directory, "autorandr")
+ if os.path.isdir(system_profile_path):
+ profiles.update(load_profiles(system_profile_path))
+ # For the user's profiles, prefer the legacy ~/.autorandr if it already exists
+ # profile_path is also used later on to store configurations
+ profile_path = os.path.expanduser("~/.autorandr")
+ if not os.path.isdir(profile_path):
+ # Elsewise, follow the XDG specification
+ profile_path = os.path.join(os.environ.get("XDG_CONFIG_HOME", os.path.expanduser("~/.config")), "autorandr")
+ if os.path.isdir(profile_path):
+ profiles.update(load_profiles(profile_path))
except Exception as e:
print("Failed to load profiles:\n%s" % str(e), file=sys.stderr)
sys.exit(1)
else:
for profile_name in profiles.keys():
if profile_blocked(os.path.join(profile_path, profile_name)):
- print("%s (blocked)" % profile_name)
+ print("%s (blocked)" % profile_name, file=sys.stderr)
continue
if detected_profile == profile_name:
- print("%s (detected)" % profile_name)
+ print("%s (detected)" % profile_name, file=sys.stderr)
if "-c" in options or "--change" in options:
load_profile = detected_profile
else:
- print(profile_name)
+ print(profile_name, file=sys.stderr)
if "-d" in options:
options["--default"] = options["-d"]
if load_profile in ( x[0] for x in virtual_profiles ):
profile = generate_virtual_profile(config, modes, load_profile)
else:
- profile = profiles[load_profile]
- if profile == config and not "-f" in options and not "--force" in options:
- print("Config already loaded")
+ 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 == dict(config) and not "-f" in options and not "--force" in options:
+ print("Config already loaded", file=sys.stderr)
sys.exit(0)
try:
apply_configuration(profile, True)
else:
exec_scripts(os.path.join(profile_path, load_profile), "preswitch")
- apply_configuration(profile, True)
+ 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)
projects / deb_pkgs / autorandr.git / blobdiff