commit 8a899f53ea8ac4579eafd82b56907c78ba1ea169
Author: Lars Vierbergen <vierbergenlars@gmail.com>
Date:   Sat Oct 22 13:56:24 2016 +0200

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c18dd8d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+__pycache__/
diff --git a/command.sh b/command.sh
new file mode 100755
index 0000000..13604cf
--- /dev/null
+++ b/command.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+$(echo "$1" > "$2")&
+quit_proc="$!"
+sleep 1
+kill -9 "$quit_proc" 
diff --git a/daemon.py b/daemon.py
new file mode 100755
index 0000000..5a57025
--- /dev/null
+++ b/daemon.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+import logging
+import modules
+import modules.core
+
+#logging.basicConfig(level=logging.DEBUG)
+
+modules.Application(
+    modules.GroupedControl(
+        modules.CaffeineControl(),
+        modules.RedshiftControl(),
+        separator=''
+    ),
+    modules.ActionWrapperControl(
+        modules.VolumeControl(),
+        action='pavucontrol',
+        buttons=modules.core.Button.RIGHT
+    ),
+).run()
+
+
diff --git a/modules/__init__.py b/modules/__init__.py
new file mode 100644
index 0000000..b71d8ce
--- /dev/null
+++ b/modules/__init__.py
@@ -0,0 +1,5 @@
+from .application import Application
+from .core import GroupedControl, ActionWrapperControl
+from .caffeine import CaffeineControl
+from .redshift import RedshiftControl
+from .volume import VolumeControl
\ No newline at end of file
diff --git a/modules/application.py b/modules/application.py
new file mode 100644
index 0000000..2b840a6
--- /dev/null
+++ b/modules/application.py
@@ -0,0 +1,153 @@
+import argparse
+import pickle
+import signal
+import logging
+
+import time
+import traceback
+
+from .core import GroupedControl
+from .util import QuitControl, ChildReaperControl
+import os
+import stat
+
+logger = logging.getLogger(__name__)
+
+
+class CreateFileType(argparse.FileType):
+    def __init__(self, mode='r', bufsize=-1, encoding=None, errors=None):
+        super().__init__(mode, bufsize, encoding, errors)
+        self.__mode = mode
+        self.__bufsize = bufsize
+        self.__encoding = encoding
+        self.__errors = errors
+
+    def __call__(self, string):
+        try:
+            return super().__call__(string)
+        except argparse.ArgumentTypeError as e:
+            return open(string, 'wb' if 'b' in self.__mode else 'w', self.__bufsize, self.__encoding, self.__errors)
+
+
+class PipeFileType(argparse.FileType):
+    def __init__(self, *args, lazy=False, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.lazy = lazy
+
+    def __call__(self, string):
+        try:
+            mode = os.stat(string).st_mode
+            if not stat.S_ISFIFO(mode):
+                raise argparse.ArgumentTypeError('%s is not a fifo' % strign)
+        except FileNotFoundError:
+            pass
+        if not self.lazy or string == '-':
+            return super().__call__(string)
+        else:
+            return LazyFile(string, self._mode, self._bufsize, self._encoding, self._errors)
+
+class LazyFile:
+    def __init__(self, name, *args):
+        self.name = name
+        self.__args = args
+        self.__file = None
+    def __open(self):
+        if self.__file is None:
+            self.__file = open(self.name, *self.__args)
+        return self.__file
+    def close(self):
+        return self.__open().close()
+    @property
+    def closed(self):
+        return self.__open().closed
+    def fileno(self):
+        return self.__open().fileno()
+    def flush(self):
+        return self.__open().flush()
+    def isatty(self):
+        return self.__open().isatty()
+    def read(self, *a):
+        return self.__open().read(*a)
+    def readable(self):
+        return self.__open().readable()
+    def readline(self):
+        return self.__open().readline()
+    def readlines(self):
+        return self.__open().readlines()
+    def seek(self):
+        return self.__open().seek()
+    def seekable(self):
+        return self.__open().seekable()
+    def tell(self):
+        return self.__open().tell()
+    def truncate(self):
+        return self.__open().truncate()
+    def writable(self):
+        return self.__open().writable()
+    def write(self, *a):
+        return self.__open().write(*a)
+    def writelines(self, *a):
+        return self.__open().writelines(*a)
+
+
+class Application(GroupedControl):
+    def __init__(self, *modules, **kwargs):
+        super().__init__(ChildReaperControl(), *modules, **kwargs)
+
+    def configure(self, argument_parser):
+        argument_parser.add_argument('output_pipe', type=PipeFileType('w', bufsize=1, lazy=True))
+        argument_parser.add_argument('command_pipe', type=PipeFileType('r', bufsize=1, lazy=True))
+        argument_parser.add_argument('--state-file', type=CreateFileType('r+b'))
+        super().configure(argument_parser)
+
+    def bind_arguments(self, args):
+        super().bind_arguments(args)
+        if args.state_file is not None and args.state_file.readable():
+            try:
+                state = pickle.load(args.state_file)
+                logger.info("Loaded state: %r" % state)
+                self.load_state_ex(state)
+            except:
+                traceback.print_exc()
+
+    def cleanup(self):
+        if self.args.state_file is not None:
+            self.args.state_file.seek(0)
+            self.args.state_file.truncate()
+            state = self.dump_state_ex()
+            logger.info("Dumped state: %r" % state)
+            pickle.dump(state, self.args.state_file)
+            self.args.state_file.close()
+
+        super().cleanup()
+
+    def respond_to(self, command):
+        if command == '':
+            return False
+        logger.info('Received command %s', command)
+        return super().respond_to(command)
+
+    def handle_signal(self, signal, tb):
+        raise Exception("Received signal %s"%signal)
+
+
+    def run(self):
+        parser = argparse.ArgumentParser(description='Action manager for xmobar')
+
+        self.configure(parser)
+        self.bind_arguments(parser.parse_args())
+
+        for sig in {signal.SIGHUP, signal.SIGINT, signal.SIGQUIT, signal.SIGTERM}:
+            signal.signal(sig, self.handle_signal)
+
+        try:
+            self.args.output_pipe.writelines(str(self)+"\n")
+            while True:
+                if self.respond_to(str.rstrip(self.args.command_pipe.readline())) or self.periodic():
+                    self.args.output_pipe.writelines(str(self) + "\n")
+                else:
+                    time.sleep(1)
+        except BaseException as e:
+            logger.exception('Received exception, shutting down')
+        finally:
+            self.cleanup()
diff --git a/modules/caffeine.py b/modules/caffeine.py
new file mode 100644
index 0000000..f894b96
--- /dev/null
+++ b/modules/caffeine.py
@@ -0,0 +1,56 @@
+import subprocess
+import logging
+
+import time
+
+from .core import AbstractControl, action
+
+logger = logging.getLogger(__name__)
+
+
+class CaffeineControl(AbstractControl):
+    def __init__(self):
+        super().__init__()
+        self.caffeine_enabled = False
+        self._activity_proc = None
+        self._activity_proc_lastrun = 0
+
+    @property
+    def enabled(self):
+        return self.args.caffeine_enabled
+
+    def configure(self, argument_parser):
+        argument_parser.add_argument('--caffeine-enabled', help='Use the caffeine module', action='store_true')
+        argument_parser.add_argument('--caffeine-timeout',
+                                     help='Time between user activity reports to xscreensaver (in seconds)',
+                                     type=int,
+                                     default=10)
+
+    def respond_to(self, command):
+        if command == 'caffeine':
+            self.caffeine_enabled = not self.caffeine_enabled
+            logger.info("Set caffeine enabled %r", self.caffeine_enabled)
+            return True
+
+    def __str__(self):
+        return action(self.create_pipe_command('caffeine'), 'C' if self.caffeine_enabled else 'c')
+
+    def periodic(self):
+        if self._activity_proc is not None:
+            if self._activity_proc.returncode is None:
+                self._activity_proc.poll()
+            else:
+                logger.debug("Reaped subprocess: %s", self._activity_proc)
+                self._activity_proc = None
+
+        if self.caffeine_enabled and self._activity_proc is None:
+            if self._activity_proc_lastrun + self.args.caffeine_timeout < time.time():
+                logger.debug("Poking screensaver")
+                self._activity_proc = subprocess.Popen(['xscreensaver-command', '-deactivate'], stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+                self._activity_proc_lastrun = time.time()
+
+    def dump_state(self):
+        return dict(caffeine_enabled=self.caffeine_enabled)
+
+    def load_state(self, state):
+        self.caffeine_enabled = state['caffeine_enabled']
diff --git a/modules/core.py b/modules/core.py
new file mode 100644
index 0000000..e0df041
--- /dev/null
+++ b/modules/core.py
@@ -0,0 +1,366 @@
+import abc
+import os
+import argparse
+
+import sys
+import enum
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class AbstractControl(metaclass=abc.ABCMeta):
+    """
+    Base class for all modules
+    """
+
+    def __init__(self):
+        """
+        Creates a new control
+        """
+        self.args = None
+
+    @property
+    def visible(self):
+        """
+        Determines if the module is visible in the command bar
+
+        :return: bool
+        """
+        return self.enabled
+
+    @property
+    def enabled(self):
+        """
+        Determines if the module is enabled.
+
+        Disabled modules do not receive any signals.
+        :return: bool
+        """
+        return True
+
+    def configure(self, argument_parser: argparse.ArgumentParser):
+        """
+        Configures the argument parser to accept extra arguments handled by this module
+
+        :param argument_parser: The argument parser to add arguments to
+        :return: void
+        """
+        pass
+
+    def bind_arguments(self, args: argparse.Namespace):
+        """
+        Binds arguments delivered by the argument parser to this module.
+
+        When overriding this method, the parent function always has to be called.
+
+        :param args:  The Namespace object returned by ArgumentParser.parse_args()
+        :return: void
+        """
+        self.args = args
+
+    def periodic(self):
+        """
+        Called periodically during the runtime of the daemon.
+
+        Actions that are independent of user input should be handled here,
+        use respond_to() to handle user input.
+
+        Will only be called for modules that report to be enabled
+
+        :return: bool Whether the displayed information is changed by the executed operations.
+        """
+        return False
+
+    def cleanup(self):
+        """
+        Called during the shutdown of the daemon to clean up the module's resources.
+
+        Will only be called for modules that report to be enabled
+        :return: void
+        """
+        pass
+
+    def respond_to(self, command: str):
+        """
+        Responds to a user command
+
+        Actions that are dependent on user commands should be handled here,
+        use periodic() to handle periodic actions independent of user input
+
+        Will only be called for modules that report to be enabled
+        :param command: The command received from the user
+        :return: bool Whether the displayed information is changed by the executed operations.
+        """
+        return False
+
+    def __str__(self):
+        """
+        Creates the string representation of the module to show on the action bar
+
+        Will only be called for modules that report to be visible
+        :return: str
+        """
+        return super().__str__()
+
+    def load_state(self, state):
+        """
+        Loads state previously saved by this module
+
+        State is loaded once at daemon startup, if there is a statefile present.
+
+        Will only be called for modules that report to be enabled
+        :param state: Whatever was returned by dump_state() on the previous run
+        :return: void
+        """
+        pass
+
+    def load_state_ex(self, state: dict):
+        """
+        Loads all state previously saved
+
+        Usually this method filters the state of this module out of the global state to pass to load_state()
+
+        Controls that wrap other controls typically want to override this function to pass the whole
+        state to their children to avoid putting state in containers named after te wrapper.
+
+        :param state: Dictionary containing the saved state
+        :return: void
+        """
+        if self.__class__.__name__ in state:
+            self.load_state(state[self.__class__.__name__])
+
+    def dump_state(self):
+        """
+        Dumps current state of this module
+
+        State is dumped once at daemon shutdown, if there is a statefile present.
+
+        Will only be called for modules that report to be enabled
+        :return: any pickleable object representing the state of this module
+        """
+        return None
+
+    def dump_state_ex(self):
+        """
+        Dumps state of this module including unique identifying information for this module
+
+        Controls that wrap other controls typically want to override this function to dump the whole
+        state of their children to avoid putting state in containers named after te wrapper.
+
+        Will only be called for modules that report to be enabled
+        :return: dict
+        """
+        return {self.__class__.__name__: self.dump_state()}
+
+    def create_pipe_command(self, command: str):
+        """
+        Creates a shell command that will pass :command to the daemon through the controlpipe
+
+        :param command: The command to pass
+        :return: str Shell command that will pass the given command through the controlpipe
+        """
+        return '{}/command.sh {} {}'.format(os.path.abspath(sys.path[0]), command,
+                                            os.path.abspath(self.args.command_pipe.name))
+
+
+class GroupedControl(AbstractControl):
+    """
+    Groups a set of modules into one module, separated by a given string
+    """
+
+    def __init__(self, *modules, separator=' | '):
+        """
+        Creates a new grouped control
+
+        :param modules: Modules to group in this module, in the order they should be displayed
+        :param separator: Separator string used inbetween two modules
+        """
+        super().__init__()
+        self.__modules = modules
+        self.__separator = separator
+
+    def bind_arguments(self, args):
+        super().bind_arguments(args)
+        [m.bind_arguments(args) for m in self.__modules]
+
+    @property
+    def enabled(self):
+        return any([m.enabled for m in self.__modules])
+
+    @property
+    def visible(self):
+        return any([m.visible for m in self.__modules if m.enabled])
+
+    def configure(self, argument_parser):
+        [m.configure(argument_parser) for m in self.__modules]
+
+    def load_state_ex(self, state):
+        [m.load_state_ex(state) for m in self.__modules if m.enabled]
+
+    def cleanup(self):
+        [m.cleanup() for m in self.__modules if m.enabled]
+
+    def respond_to(self, command):
+        return any([m.respond_to(command) for m in self.__modules if m.enabled])
+
+    def periodic(self):
+        return any([m.periodic() for m in self.__modules if m.enabled])
+
+    def dump_state_ex(self):
+        data = dict()
+        for m in self.__modules:
+            if m.enabled:
+                data.update(m.dump_state_ex())
+        return data
+
+    def __passthrough_log(self, fn, s):
+        logger.debug('%s.%s(): %s', self.__class__.__name__, fn, s)
+        return s
+
+    def __str__(self):
+        return self.__separator.join([self.__passthrough_log('__str__', str(m)) for m in self.__modules if m.visible])
+
+
+def action(command, text, **kwargs):
+    """
+    Creates an xmobar action tag
+
+    :param command: The action (command to execute on click)
+    :param text: The text where the action is applied upon
+    :param kwargs: Extra parameters for the action tag (known case: button)
+    :return: str The xmobar action tag
+    """
+    return '<action=`{}`{}>{}</action>'.format(command, ' ' + (
+        ' '.join(['{}={}'.format(k, v) for k, v in kwargs.items()])) if len(kwargs) else '', text)
+
+
+class WrappingControl(AbstractControl):
+    """
+    Generic wrapper for a module
+
+    All method calls are passed through to the child module.
+    This wrapper does not affect the state, it is passed through cleanly
+    """
+
+    def __init__(self, child_control: AbstractControl) -> None:
+        """
+        Creates a new module wrapper
+
+        :param child_control: The child module to wrap
+        """
+        super().__init__()
+        self.child = child_control
+
+    def cleanup(self):
+        self.child.cleanup()
+
+    def dump_state_ex(self):
+        return self.child.dump_state_ex()
+
+    def load_state(self, state):
+        self.child.load_state(state)
+
+    def respond_to(self, command):
+        return self.child.respond_to(command)
+
+    @property
+    def enabled(self):
+        return self.child.enabled
+
+    def dump_state(self):
+        self.child.dump_state()
+
+    def configure(self, argument_parser):
+        self.child.configure(argument_parser)
+
+    def bind_arguments(self, args):
+        super().bind_arguments(args)
+        self.child.bind_arguments(args)
+
+    @property
+    def visible(self):
+        return self.child.visible
+
+    def periodic(self):
+        self.child.periodic()
+
+    def load_state_ex(self, state):
+        self.child.load_state_ex(state)
+
+    def __str__(self):
+        return self.child.__str__()
+
+
+class ActionWrapperControl(WrappingControl):
+    """
+    Wraps a module output in an additional action
+    """
+
+    def __init__(self, control: AbstractControl, action: str, buttons: str = None) -> None:
+        """
+        Creates an action wrapper
+
+        :param control: The module to wrap
+        :param action: The shell command to execute when :buttons are pressed on the child module
+        :param buttons: Optionally, which buttons will trigger the shell command (May be a Button, or a number of OR-ed buttons)
+        """
+        super().__init__(control)
+        self.__action = action
+        self.__buttons = buttons
+
+    def __str__(self):
+        if self.__buttons:
+            return action(self.__action, super().__str__(), button=self.__buttons)
+        else:
+            return action(self.__action, super().__str__())
+
+
+@enum.unique
+class Button(enum.Enum):
+    """
+    A mouse button
+
+    A set of multiple mouse buttons can be constructed by OR-ing buttons together
+        e.g.: Button.LEFT|Button.RIGHT
+    """
+    LEFT = '1'
+    MIDDLE = '2'
+    RIGHT = '3'
+    SCROLL_UP = '4'
+    SCROLL_DOWN = '5'
+
+    def __str__(self):
+        return self.value
+
+    def __or__(self, other):
+        """
+        Add multiple buttons together
+
+        :param other: Button to add to this one
+        :return: An set of multiple buttons
+        """
+        if isinstance(other, self.__class__):
+            return _Buttons([self, other])
+        return NotImplemented
+
+
+class _Buttons(frozenset):
+    """
+    Internal class that represents a set of Button enums and that can be further chained with itself of another Button
+    """
+
+    def __str__(self):
+        return ''.join([str(b) for b in self])
+
+    def __or__(self, other):
+        """
+        Add another Button of _Buttons set to the set
+        :param other: Button or _Buttons to add to this set of Buttons
+        :return: The superset of this set of buttons and the other set of buttons
+        """
+        if isinstance(other, self.__class__):
+            return _Buttons(self.union(other))
+        elif isinstance(other, Button):
+            return _Buttons(self.union({other}))
+        return NotImplemented
diff --git a/modules/redshift.py b/modules/redshift.py
new file mode 100644
index 0000000..e7a5c58
--- /dev/null
+++ b/modules/redshift.py
@@ -0,0 +1,81 @@
+import subprocess
+import logging
+
+from .core import AbstractControl, action
+
+logger = logging.getLogger(__name__)
+
+
+class RedshiftControl(AbstractControl):
+    def __init__(self):
+        super().__init__()
+        self._redshift_proc = None
+
+    def configure(self, argument_parser):
+        argument_parser.add_argument('--redshift-enabled', help='Use the redshift module', action='store_true')
+        argument_parser.add_argument('--redshift-location', help='LAT:LON Your current location', type=str)
+        argument_parser.add_argument('--redshift-temperature',
+                                     help='DAY:NIGHT Color temperature to set at daytime/night', type=str)
+
+    def bind_arguments(self, args):
+        super().bind_arguments(args)
+        if self.enabled and not self.redshift_error_message:
+            self.redshift_enabled = True
+
+    @property
+    def enabled(self):
+        return self.args.redshift_enabled
+
+    @property
+    def redshift_enabled(self) -> bool:
+        return bool(self._redshift_proc)
+
+    @property
+    def redshift_error_message(self):
+        if self.enabled and not (self.args.redshift_location or self.args.redshift_temperature):
+            return "Missing parameter(s) --redshift-location and/or --redshift-temperature"
+        if self._redshift_proc is not None and self._redshift_proc.returncode is not None and self._redshift_proc.returncode != 0:
+            logger.error("Redshift process died unexpectedly: %s", self._redshift_proc.communicate())
+            return self._redshift_proc.communicate()[1].replace("\n", ' ')
+        return None
+
+    @redshift_enabled.setter
+    def redshift_enabled(self, value: bool) -> None:
+        if value == self.redshift_enabled:
+            return
+        if value:
+            logger.info("Starting redshift: -l %s -t %s", self.args.redshift_location, self.args.redshift_temperature)
+            self._redshift_proc = subprocess.Popen(
+                ['redshift', '-l', self.args.redshift_location, '-t', self.args.redshift_temperature], stdin=subprocess.DEVNULL, stderr=subprocess.STDOUT)
+        else:
+            logger.info("Terminating running redshift process")
+            self._redshift_proc.terminate()
+
+    def periodic(self):
+        if self._redshift_proc:
+            self._redshift_proc.poll()
+            if self._redshift_proc.returncode is not None:
+                self._redshift_proc = None
+                return True
+
+    def respond_to(self, command):
+        if command == 'redshift':
+            self.redshift_enabled = not self.redshift_enabled
+            return True
+        return False
+
+    def cleanup(self):
+        self.redshift_enabled = False
+        if self._redshift_proc:
+            self._redshift_proc.wait()
+
+    def __str__(self):
+        if not self.redshift_error_message:
+            return action(self.create_pipe_command('redshift'), 'R' if self.redshift_enabled else 'r')
+        return 'E: ' + self.redshift_error_message
+
+    def load_state(self, state):
+        self.redshift_enabled = state['redshift_enabled']
+
+    def dump_state(self):
+        return {'redshift_enabled': self.redshift_enabled}
diff --git a/modules/util.py b/modules/util.py
new file mode 100644
index 0000000..e3b1818
--- /dev/null
+++ b/modules/util.py
@@ -0,0 +1,28 @@
+import sys
+import os.path
+from .core import AbstractControl
+
+
+class QuitControl(AbstractControl):
+    @property
+    def visible(self):
+        return False
+
+    def respond_to(self, command):
+        if command == 'q':
+            sys.exit(0)
+        elif command == 'refresh':
+            return True
+
+
+class ChildReaperControl(AbstractControl):
+    @property
+    def visible(self):
+        return False
+
+    def periodic(self):
+        try:
+            os.wait3(os.WNOHANG)
+        except:
+            pass
+
diff --git a/modules/volume.py b/modules/volume.py
new file mode 100644
index 0000000..bbeb6ec
--- /dev/null
+++ b/modules/volume.py
@@ -0,0 +1,125 @@
+import subprocess
+import logging
+
+import math
+
+from .core import AbstractControl, action, Button
+
+logger = logging.getLogger(__name__)
+
+
+class VolumeControl(AbstractControl):
+    def configure(self, argument_parser):
+        argument_parser.add_argument('--volume-enabled', help='Enable volume control', action='store_true')
+
+    @property
+    def enabled(self):
+        return self.args.volume_enabled
+
+    @property
+    def muted(self):
+        return self._muted
+
+    @muted.setter
+    def muted(self, muted):
+        if self._muted != muted:
+            logger.info("Setting muted to %s", muted)
+            try:
+                self._muted = muted
+                self._pactl('set-sink-mute', str(int(muted)))
+            except subprocess.CalledProcessError as e:
+                logger.exception("Error setting mute")
+
+    @property
+    def volume(self):
+        return self._volume
+
+    @volume.setter
+    def volume(self, volume):
+        if volume < 0:
+            logger.warning("Cannot set volume to %d, clamping to zero", volume)
+            volume = 0
+        if volume > 90000:
+            logger.warning("Cannot set volume to %d, clamping to 90000", volume)
+            volume = 90000
+        if self.muted:
+            self.muted = False
+        if self._volume != volume:
+            logger.info("Setting volume to %s", volume)
+            try:
+                self._volume = volume
+                self._pactl('set-sink-volume', str(volume))
+            except subprocess.CalledProcessError as e:
+                logger.exception("Error setting volume")
+
+    def _pa_get_sinks(self):
+        return [l.split(b'\t')[0].decode() for l in subprocess.check_output(["pactl", "list", "short", "sinks"], stdin=subprocess.DEVNULL,stderr=subprocess.DEVNULL).split(b'\n') if len(l) > 0]
+
+    def _pactl(self, command, arg):
+        for i in self._pa_get_sinks():
+            logger.debug("Calling pactl: %s %s %s", command, i, arg)
+            subprocess.check_call(["pactl", command, i, arg], stdin=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+
+    def __init__(self):
+        super().__init__()
+        self._muted = False
+        self._volume = 0
+
+    def respond_to(self, command):
+        if command[0] == '=':
+            self.volume = int(command[1:]) * 9000
+        elif command == 'm1':
+            self.muted = True
+        elif command == 'm0':
+            self.muted = False
+        elif command == 'mt':
+            self.muted = not self.muted
+        elif command == '+':
+            self.volume += 3000
+        elif command == '-':
+            self.volume -= 3000
+        elif command == 'r':
+            self.volume = 30000
+        else:
+            return False
+        return True
+
+    def __str__(self):
+        return action(
+            self.create_pipe_command('+'),
+            action(
+                self.create_pipe_command('-'),
+                self.action_bars(create_bars(self.volume) if not self.muted else '  (mute)  '),
+                button=Button.SCROLL_DOWN
+            ),
+            button=Button.SCROLL_UP
+        )
+
+    def action_bars(self, bars):
+        return ''.join([action(self.create_pipe_command('=%d' % (i + 1)), c, button=Button.LEFT) for i, c in
+                        zip(range(len(bars)), bars)])
+
+    def load_state(self, state):
+        self.volume = state['volume']
+        self.muted = state['muted']
+
+    def dump_state(self):
+        return dict(volume=self.volume, muted=self.muted)
+
+
+def create_bars(volume):
+    num_bars = float(volume) / 9000.0
+    return ('/' * math.floor(num_bars)) + partial_bar(num_bars - math.floor(num_bars)) + (
+    ' ' * (10 - math.ceil(num_bars)))
+
+
+def partial_bar(bar_size):
+    if bar_size == 0.0:
+        return ''
+    elif bar_size < 0.3:
+        return ' '
+    elif bar_size < 0.6:
+        return '.'
+    elif bar_size < 0.9:
+        return '-'
+    return '/'
diff --git a/start.sh b/start.sh
new file mode 100755
index 0000000..2587e03
--- /dev/null
+++ b/start.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+ARGS="$@"
+while [[ -n "$@" ]]; do
+    if [[ "${1:0:1}" != "-" ]]; then
+        if [[ -z "$volumepipe" ]]; then
+            volumepipe="$1"
+        elif [[ -z "$commandpipe" ]]; then
+            commandpipe="$1"
+        fi
+    fi
+    shift;
+done
+
+
+
+# volumepipe
+if ! [[ -p "$volumepipe" ]]; then
+    rm -rf "$volumepipe"
+    mkfifo "$volumepipe"
+fi
+
+# volumecontrol
+if ! [[ -p "$commandpipe" ]]; then
+    rm -rf "$commandpipe"
+    mkfifo "$commandpipe"
+fi
+
+eval set -- "$ARGS"
+exec "$(dirname "${BASH_SOURCE[0]}")/daemon.py" "$@"