X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=autorandr.py;h=9a677ab5c47a0cc691e0a473359d37f025a1f7df;hb=98cbc6fd179160430950f7fe768559e06645e0b7;hp=aef787669b98bc123b0187176703ea319e54db12;hpb=ef1891c75581dcd76f3fc574228cdb933378068b;p=deb_pkgs%2Fautorandr.git diff --git a/autorandr.py b/autorandr.py index aef7876..9a677ab 100755 --- a/autorandr.py +++ b/autorandr.py @@ -4,7 +4,7 @@ # 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. # @@ -32,6 +32,7 @@ import os import re import subprocess import sys +from distutils.version import LooseVersion as Version from itertools import chain from collections import OrderedDict @@ -65,9 +66,10 @@ Usage: autorandr [options] To change this behaviour and switch to a fallback configuration, specify --default . - 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() @@ -81,23 +83,29 @@ class XrandrOutput(object): (?: # Differentiate disconnected and connected in first line disconnected | unknown\ connection | - (?Pconnected)\s+ # If connected: - (?Pprimary\ )? # Might be primary screen - (?P[0-9]+)x(?P[0-9]+) # Resolution - \+(?P[0-9]+)\+(?P[0-9]+)\s+ # Position + (?Pconnected) + ) + \s* + (?Pprimary\ )? # Might be primary screen + (?:\s* + (?P[0-9]+)x(?P[0-9]+) # Resolution (might be overridden below!) + \+(?P-?[0-9]+)\+(?P-?[0-9]+)\s+ # Position (?:\(0x[0-9a-fA-F]+\)\s+)? # XID (?P(?:normal|left|right|inverted))\s+ # Rotation (?:(?PX\ and\ Y|X|Y)\ axis)? # Reflection - ).* + )? # .. but everything of the above only if the screen is in use. + (?:[\ \t]*\([^\)]+\))(?:\s*[0-9]+mm\sx\s[0-9]+mm)? + (?:[\ \t]*panning\ (?P[0-9]+x[0-9]+\+[0-9]+\+[0-9]+))? # Panning information (?:\s*(?: # Properties of the output - Gamma: (?P[0-9\.:\s]+) | # Gamma value - Transform: (?P[0-9\.\s]+) | # Transformation matrix - EDID: (?P[0-9a-f\s]+) | # EDID of the output + Gamma: (?P[0-9\.: ]+) | # Gamma value + Transform: (?P(?:[\-0-9\. ]+\s+){3}) | # Transformation matrix + EDID: (?P\s*?(?:\\n\\t\\t[0-9a-f]+)+) | # EDID of the output (?![0-9])[^:\s][^:\n]+:.*(?:\s\\t[\\t ].+)* # Other properties ))+ \s* (?P(?: - [0-9]+x[0-9]+.+?\*current.+\s+h:.+\s+v:.+clock\s+(?P[0-9\.]+)Hz\s* | # Interesting (current) resolution: Extract rate + (?P[0-9]+)x(?P[0-9]+).+?\*current.+\s+ + h:.+\s+v:.+clock\s+(?P[0-9\.]+)Hz\s* | # Interesting (current) resolution: Extract rate [0-9]+x[0-9]+.+\s+h:.+\s+v:.+\s* # Other resolutions )*) """ @@ -109,23 +117,53 @@ class XrandrOutput(object): \s+v:.+clock\s+(?P[0-9\.]+)Hz """ + XRANDR_13_DEFAULTS = { + "transform": "1,0,0,0,1,0,0,0,1", + "panning": "0x0", + } + + 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())) + + 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)) + @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),), sorted(self.options_with_defaults.items()))], []) @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),), self.options.items())]) + return "\n".join([ " ".join(option) if option[1] else option[0] for option in chain((("output", self.output),), sorted(self.options.items()))]) @property def sort_key(self): "Return a key to sort the outputs for xrandr invocation" if not self.edid: + return -2 + if "off" in self.options: return -1 if "pos" in self.options: x, y = map(float, self.options["pos"].split("x")) @@ -138,6 +176,16 @@ class XrandrOutput(object): 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): @@ -146,6 +194,7 @@ class XrandrOutput(object): 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.") @@ -154,9 +203,8 @@ class XrandrOutput(object): 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() @@ -168,36 +216,45 @@ class XrandrOutput(object): options = {} if not match["connected"]: - options["off"] = None edid = None else: - if match["rotate"] not in ("left", "right"): - options["mode"] = "%sx%s" % (match["width"], match["height"]) + edid = "".join(match["edid"].strip().split()) if match["edid"] else "%s-%s" % (XrandrOutput.EDID_UNAVAILABLE, match["output"]) + + if not match["width"]: + options["off"] = None + else: + 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["panning"]: + options["panning"] = match["panning"] 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), modes @@ -209,17 +266,20 @@ class XrandrOutput(object): 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"] @@ -228,14 +288,26 @@ class XrandrOutput(object): def edid_equals(self, other): "Compare to another XrandrOutput's edid and on/off-state, taking legacy autorandr behaviour (md5sum'ing) into account" if self.edid and other.edid: - if len(self.edid) == 32 and len(other.edid) != 32: + if len(self.edid) == 32 and len(other.edid) != 32 and not other.edid.startswith(XrandrOutput.EDID_UNAVAILABLE): return hashlib.md5(binascii.unhexlify(other.edid)).hexdigest() == self.edid - if len(self.edid) != 32 and len(other.edid) == 32: + if len(self.edid) != 32 and len(other.edid) == 32 and not self.edid.startswith(XrandrOutput.EDID_UNAVAILABLE): return hashlib.md5(binascii.unhexlify(self.edid)).hexdigest() == other.edid 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" @@ -244,6 +316,8 @@ def debug_regexp(pattern, string): 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 " @@ -264,6 +338,8 @@ def parse_xrandr_output(): # Split at output boundaries and instanciate an XrandrOutput per output split_xrandr_output = re.split("(?m)^([^ ]+ (?:(?:dis)?connected|unknown connection).*)$", xrandr_output) + if len(split_xrandr_output) < 2: + raise RuntimeError("No output boundaries found") outputs = OrderedDict() modes = OrderedDict() for i in range(1, len(split_xrandr_output), 2): @@ -285,7 +361,7 @@ def load_profiles(profile_path): if not os.path.isfile(config_name) or not os.path.isfile(setup_name): continue - edids = dict([ x.strip().split() for x in open(setup_name).readlines() ]) + edids = dict([ x.strip().split() for x in open(setup_name).readlines() if x.strip() ]) config = {} buffer = [] @@ -296,28 +372,35 @@ def load_profiles(profile_path): else: buffer.append(line) - profiles[profile] = config + for output_name in list(config.keys()): + if config[output_name].edid is None: + del config[output_name] + + profiles[profile] = { "config": config, "path": os.path.join(profile_path, profile), "config-mtime": os.stat(config_name).st_mtime } return profiles -def find_profile(current_config, profiles): - "Find a profile matching the currently connected outputs" +def find_profiles(current_config, profiles): + "Find profiles matching the currently connected outputs" + detected_profiles = [] for profile_name, profile in profiles.items(): + config = profile["config"] matches = True - for name, output in profile.items(): + for name, output in config.items(): if not output.edid: continue if name not in current_config or not output.edid_equals(current_config[name]): matches = False break - if not matches or any(( name not in profile.keys() for name in current_config.keys() if current_config[name].edid )): + if not matches or any(( name not in config.keys() for name in current_config.keys() if current_config[name].edid )): continue if matches: - return profile_name + detected_profiles.append(profile_name) + return detected_profiles def profile_blocked(profile_path): "Check if a profile is blocked" - script = os.path.join(profile_path, "blocked") + script = os.path.join(profile_path, "block") if not os.access(script, os.X_OK | os.F_OK): return False return subprocess.call(script) == 0 @@ -344,27 +427,93 @@ def save_configuration(profile_path, configuration): with open(os.path.join(profile_path, "setup"), "w") as setup: output_setup(configuration, setup) -def apply_configuration(configuration, dry_run=False): +def update_mtime(filename): + "Update a file's mtime" + try: + os.utime(filename, None) + return True + except: + return False + +def apply_configuration(new_configuration, current_configuration, dry_run=False): "Apply a configuration" - outputs = sorted(configuration.keys(), key=lambda x: configuration[x].sort_key) + outputs = sorted(new_configuration.keys(), key=lambda x: new_configuration[x].sort_key) if dry_run: base_argv = [ "echo", "xrandr" ] else: base_argv = [ "xrandr" ] - # Disable all unused outputs - argv = base_argv[:] + # There are several xrandr / driver bugs we need to take care of here: + # - We cannot enable more than two screens at the same time + # See https://github.com/phillipberndt/autorandr/pull/6 + # and commits f4cce4d and 8429886. + # - We cannot disable all screens + # See https://github.com/phillipberndt/autorandr/pull/20 + # - We should disable screens before enabling others, because there's + # a limit on the number of enabled screens + # - We must make sure that the screen at 0x0 is activated first, + # or the other (first) screen to be activated would be moved there. + # - If an active screen already has a transformation and remains active, + # the xrandr call fails with an invalid RRSetScreenSize parameter error. + # Update the configuration in 3 passes in that case. (On Haswell graphics, + # at least.) + + auxiliary_changes_pre = [] + disable_outputs = [] + enable_outputs = [] + remain_active_count = 0 for output in outputs: - if not configuration[output].edid: - argv += configuration[output].option_vector - 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 ] - 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 + if not new_configuration[output].edid or "off" in new_configuration[output].options: + disable_outputs.append(new_configuration[output].option_vector) + else: + if "off" not in current_configuration[output].options: + remain_active_count += 1 + enable_outputs.append(new_configuration[output].option_vector) + if xrandr_version() >= Version("1.3.0") and "transform" in current_configuration[output].options: + auxiliary_changes_pre.append(["--output", output, "--transform", "none"]) + + # Perform pe-change auxiliary changes + if auxiliary_changes_pre: + argv = base_argv + list(chain.from_iterable(auxiliary_changes_pre)) + if subprocess.call(argv) != 0: + raise RuntimeError("Command failed: %s" % " ".join(argv)) + + # Disable unused outputs, but make sure that there always is at least one active screen + disable_keep = 0 if remain_active_count else 1 + if len(disable_outputs) > disable_keep: + if subprocess.call(base_argv + list(chain.from_iterable(disable_outputs[:-1] if disable_keep else disable_outputs))) != 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_outputs = disable_outputs[-1:] if disable_keep else [] + + # If disable_outputs still has more than one output in it, one of the xrandr-calls below would + # disable the last two screens. This is a problem, so if this would happen, instead disable only + # one screen in the first call below. + if len(disable_outputs) > 0 and len(disable_outputs) % 2 == 0: + # In the context of a xrandr call that changes the display state, `--query' should do nothing + disable_outputs.insert(0, ['--query']) + + # Enable the remaining outputs in pairs of two operations + operations = disable_outputs + enable_outputs + for index in range(0, len(operations), 2): + argv = base_argv + list(chain.from_iterable(operations[index:index+2])) + 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 remove_irrelevant_outputs(source_configuration, target_configuration): + "Remove outputs from target that ought to be 'off' and already are" + for output_name, output in source_configuration.items(): + if "off" in output.options and output_name in target_configuration and "off" in target_configuration[output_name].options: + del target_configuration[output_name] def generate_virtual_profile(configuration, modes, profile_name): "Generate one of the virtual profiles" @@ -422,10 +571,23 @@ def main(argv): 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)) + # Sort by descending mtime + profiles = OrderedDict(sorted(profiles.items(), key=lambda x: -x[1]["config-mtime"])) except Exception as e: print("Failed to load profiles:\n%s" % str(e), file=sys.stderr) sys.exit(1) @@ -461,7 +623,7 @@ def main(argv): if "-h" in options or "--help" in options: exit_help() - detected_profile = find_profile(config, profiles) + detected_profiles = find_profiles(config, profiles) load_profile = False if "-l" in options: @@ -471,14 +633,14 @@ def main(argv): 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) - if "-c" in options or "--change" in options: - load_profile = detected_profile + if profile_name in detected_profiles: + print("%s (detected)" % profile_name, file=sys.stderr) + if ("-c" in options or "--change" in options) and not load_profile: + load_profile = profile_name else: - print(profile_name) + print(profile_name, file=sys.stderr) if "-d" in options: options["--default"] = options["-d"] @@ -487,20 +649,31 @@ def main(argv): if load_profile: if load_profile in ( x[0] for x in virtual_profiles ): - profile = generate_virtual_profile(config, modes, load_profile) + load_config = generate_virtual_profile(config, modes, load_profile) + scripts_path = os.path.join(profile_path, 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] + load_config = profile["config"] + scripts_path = profile["path"] + except KeyError: + print("Failed to load profile '%s':\nProfile not found" % load_profile, file=sys.stderr) + sys.exit(1) + if load_profile in detected_profiles and detected_profiles[0] != load_profile: + update_mtime(os.path.join(scripts_path, "config")) + add_unused_outputs(config, load_config) + 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) + remove_irrelevant_outputs(config, load_config) try: if "--dry-run" in options: - apply_configuration(profile, True) + apply_configuration(load_config, config, 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") + exec_scripts(scripts_path, "preswitch") + apply_configuration(load_config, config, False) + exec_scripts(scripts_path, "postswitch") except Exception as e: print("Failed to apply profile '%s':\n%s" % (load_profile, str(e)), file=sys.stderr) sys.exit(1)