/usr/share/pyshared/laditools/manager.py is in python-laditools 1.0.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# LADITools - Linux Audio Desktop Integration Tools
# Copyright (C) 2011-2012 Alessio Treglia <quadrispro@ubuntu.com>
# Copyright (C) 2007-2010:
# * Marc-Olivier Barre <marco@marcochapeau.org>
# * Nedko Arnaudov <nedko@arnaudov.name>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import time
import subprocess
from .controller import LadiController
from . import _gettext_domain
from . import LadiConfiguration
from . import JackConfigProxy
from . import JackController
from . import A2jController
from . import LadishProxy
class LadiManager(LadiController):
def __init__(self, jack_autostart):
self.proxy_jack_controller = None
self.proxy_jack_configure = None
self.proxy_a2j_controller = None
self.proxy_ladish_controller = None
self.jack_autostart = jack_autostart
self.proc_list = {}
if jack_autostart:
self.jack_start()
def is_available(self):
return (self.ladish_is_available, self.jack_is_available, self.a2j_is_available)
def is_started(self):
return (self.ladish_is_started, self.jack_is_started, self.a2j_is_started)
def start(self):
self.studio_start()
def stop(self):
self.studio_stop()
def kill(self):
self.get_ladish_controller().kill()
def killall(self):
self.get_ladish_controller().kill()
self.get_jack_controller().kill()
self.get_a2j_controller().kill()
def get_jack_controller(self):
if not self.proxy_jack_controller:
self.proxy_jack_controller = JackController()
return self.proxy_jack_controller
def is_jack_controller_available(self):
return self.proxy_jack_controller != None
def get_jack_configure(self):
if not self.proxy_jack_configure:
self.proxy_jack_configure = JackConfigProxy()
return self.proxy_jack_configure
def clear_jack_proxies(self):
self.proxy_jack_controller = None
self.proxy_jack_configure = None
def jack_is_available(self):
try:
proxy = self.get_jack_controller()
except:
return False
return proxy and proxy.is_available()
def jack_start(self, *args, **kwargs):
# This has nothing to do here... I suppose
# self.set_starting_status()
self.get_jack_controller().start()
def jack_stop(self, *args, **kwargs):
self.get_jack_controller().stop()
def jack_reactivate(self, *args, **kwargs):
self.get_jack_controller().kill()
self.clear_jack_proxies()
def jack_reset_xruns(self, *args, **kwargs):
self.get_jack_controller().reset_xruns()
def jack_is_started(self, *args, **kwargs):
return self.get_jack_controller().is_started()
def jack_is_realtime(self, *args, **kwargs):
return self.get_jack_controller().is_realtime()
def jack_get_load(self, *args, **kwargs):
return self.get_jack_controller().get_load()
def jack_get_xruns(self, *args, **kwargs):
return self.get_jack_controller().get_xruns()
def jack_get_sample_rate(self, *args, **kwargs):
return self.get_jack_controller().get_sample_rate()
def jack_get_latency(self, *args, **kwargs):
return self.get_jack_controller().get_latency()
def get_a2j_controller(self, *args, **kwargs):
if not self.proxy_a2j_controller:
self.proxy_a2j_controller = A2jController()
return self.proxy_a2j_controller
def clear_a2j_controller(self, *args, **kwargs):
self.proxy_a2j_controller = None
def a2j_is_available(self, *args, **kwargs):
try:
proxy = self.get_a2j_controller()
except:
return False
if proxy.is_available():
return True
self.clear_a2j_controller()
return False
def a2j_is_started(self, *args, **kwargs):
return self.get_a2j_controller().is_started()
def a2j_start(self, *args, **kwargs):
self.get_a2j_controller().start()
def a2j_stop(self, *args, **kwargs):
self.get_a2j_controller().stop()
def a2j_reactivate(self, *args, **kwargs):
self.get_a2j_controller().kill()
self.clear_a2j_controller()
def get_ladish_controller(self, *args, **kwargs):
if not self.proxy_ladish_controller:
self.proxy_ladish_controller = LadishProxy()
return self.proxy_ladish_controller
def clear_ladish_controller(self, *args, **kwargs):
self.proxy_ladish_controller = None
def ladish_is_available(self, *args, **kwargs):
try:
proxy = self.get_ladish_controller()
except:
return False
if proxy.is_available():
return True
self.clear_ladish_controller()
return False
def studio_is_loaded(self, *args, **kwargs):
return self.get_ladish_controller().studio_is_loaded()
def studio_is_started(self, *args, **kwargs):
return self.get_ladish_controller().studio_is_started()
def studio_new(self, *args, **kwargs):
if 'name' in kwargs:
name = kwargs['name']
self.get_ladish_controller().studio_new(name)
return True
return False
def studio_load(self, *args, **kwargs):
if 'studio' in kwargs:
studio = kwargs['studio']
self.get_ladish_controller().studio_load(studio)
return True
return False
def studio_start(self, *args, **kwargs):
self.get_ladish_controller().studio_start()
def studio_stop(self, *args, **kwargs):
self.get_ladish_controller().studio_stop()
def studio_name(self, *args, **kwargs):
return self.get_ladish_controller().studio_name()
def studio_rename(self, *args, **kwargs):
if 'name' in kwargs:
name = kwargs['name']
if self.get_ladish_controller().studio_name() != name:
self.get_ladish_controller().studio_rename(name)
return True
return False
def studio_save(self, *args, **kwargs):
self.get_ladish_controller().studio_save()
def studio_unload(self, *args, **kwargs):
self.get_ladish_controller().studio_unload()
def studio_delete(self, *args, **kwargs):
if 'studio' in kwargs:
studio = kwargs['studio']
self.get_ladish_controller().studio_delete(studio)
return True
return False
def ladish_reactivate(self, *args, **kwargs):
self.get_ladish_controller().kill()
self.clear_ladish_controller()
def launcher_exec(self, *args, **kwargs):
if 'command' in kwargs:
commandline = kwargs['command']
command = commandline[0]
if command not in self.proc_list.keys():
self.proc_list[command] = subprocess.Popen(commandline)
return True
return False
def launcher_kill(self, *args, **kwargs):
if 'command' in kwargs:
command = kwargs['command'][0]
if command in self.proc_list:
proc = self.proc_list[command]
try:
proc.terminate()
time.sleep(0.5)
proc.kill()
except OSError:
pass
return False
def update(self, *args, **kwargs):
if self.__class__ == LadiManager:
raise NotImplementedError("This is a virtual method")
else:
# Take a look at the processes we've started so we don't get any zombies
for i in self.proc_list.keys():
if self.proc_list[i].poll () != None:
self.proc_list.pop(i)
return True
def studio_list(self, *args, **kwargs):
return self.get_ladish_controller().studio_list()
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