libraries/exceptions/exception_logger.py

+#
+#  engine
+#
+#  Playout Daemon for autoradio project
+#
+#
+#  Copyright (C) 2017-2018 Gottfried Gaisbauer <gottfried.gaisbauer@servus.at>
+#
+#  This file is part of engine.
+#
+#  engine 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
+#  any later version.
+#
+#  engine 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 engine. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import simplejson
+import logging
+
+
+class ExceptionLogger:
+    logger = None
+    error_data = None
+    job_result = None
+
+    def __init__(self):
+        self.logger = logging.getLogger("AuraEngine")
+
+    # ------------------------------------------------------------------------------------------ #
+    def __get_error__(self, job, errornumber, data):
+        """
+        Privat: Ermittelt Fehlermeldung, Job-Name (Klassenmethode) und Fehlercode für den Job aus error/controller_error.js
+        @type errornumber:  string
+        @param errornumber: Die interne Fehlernummer der aufrufenden Methode
+        """
+
+        if data is None:
+            data = {}
+        if type(data) == type(str()):
+            data = simplejson.loads(data)
+
+        has_data = isinstance(data, (dict)) and len(data) > 0
+
+        if job in self.error_data:
+            err_msg = self.error_data[job][errornumber]
+            err_id = self.error_data[job]['id'] + str(errornumber)
+            if has_data:
+                for key in data.keys():
+                    err_msg = err_msg.replace('::' + key + '::', str(data[key]))
+            data['message'] = err_msg
+            data['job'] = job
+            data['code'] = err_id
+
+        return data
+
+    # ------------------------------------------------------------------------------------------ #
+    def success(self, job, data=None, errnum='00', value=''):
+        """
+        Erfolgsmeldung loggen
+        @type errnum:    string
+        @param errnum:   Errornummer der aufrufenden Funktion
+        @type value:     string
+        @param value:    Optionaler Wert
+        @type section:   string
+        @param section:  Gültigkeitsbereich
+        """
+        error = self.__get_error__(job, errnum, data)
+        self.job_result = {'message': error['message'],
+                           'code': error['code'],
+                           'success': 'success',
+                           'job': error['job'],
+                           'value': value}
+        self.logger.debug(job + " successfully done " + str(self.job_result))
+
+    # ------------------------------------------------------------------------------------------ #
+    def info(self, job, data=None, errnum='01', value=''):
+        """
+        Info loggen
+        @type errnum:    string
+        @param errnum:   Errornummer der aufrufenden Funktion
+        @type value:     string
+        @param value:    Optionaler Wert
+        @type section:   string
+        @param section:  Gültigkeitsbereich
+        """
+        error = self.__get_error__(job, errnum, data)
+        self.job_result = {'message': error['message'],
+                           'code': error['code'],
+                           'success': 'info',
+                           'job': error['job'],
+                           'value': value}
+        self.logger.info(str(self.job_result))
+
+
+    # ------------------------------------------------------------------------------------------ #
+    def warning(self, job, data=None, errnum='01', value=''):
+        """
+        Warnung loggen
+        @type errnum:    string
+        @param errnum:   Errornummer der aufrufenden Funktion
+        @type value:     string
+        @param value:    Optionaler Wert
+        """
+        error = self.__get_error__(job, errnum, data)
+        self.job_result = {'message': error['message'],
+                           'code': error['code'],
+                           'success': 'warning',
+                           'job': error['job'],
+                           'value': value}
+        self.logger.warning(str(self.job_result))
+
+    # ------------------------------------------------------------------------------------------ #
+    def error(self, job, data=None, errnum='01', value=''):
+        """
+        Error loggen
+        @type errnum:    string
+        @param errnum:   Errornummer der aufrufenden Funktion
+        @type value:     string
+        @param value:    Optionaler Wert
+        """
+        error = self.__get_error__(job, errnum, data)
+        self.job_result = {'message': error['message'],
+                           'code': error['code'],
+                           'success': 'error',
+                           'job': error['job'],
+                           'value': value}
+        self.logger.error(str(self.job_result))
+
+    # ------------------------------------------------------------------------------------------ #
+    def fatal(self, job, data=None, errnum='01', value='', section='execjob'):
+        """
+        Fatal error loggen
+        @type errnum:    string
+        @param errnum:   Errornummer der aufrufenden Funktion
+        @type value:     string
+        @param value:    Optionaler Wert
+        @type section:   string
+        @param section:  Gültigkeitsbereich
+        """
+        error = self.__get_error__(job, errnum, data)
+        self.job_result = {'message': error['message'],
+                           'code': error['code'],
+                           'success': 'fatal',
+                           'job': error['job'],
+                           'value': value,
+                           'section': section}
+        self.logger.critical(str(self.job_result))
\ No newline at end of file

modules/base/config.py

+#
+#  engine
+#
+#  Playout Daemon for autoradio project
+#
+#  Copyright 2014 BFR <info@freie-radios.de>
+#  Copyright (C) 2017-2018 Gottfried Gaisbauer <gottfried.gaisbauer@servus.at>
+#
+#  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; Version 3 of the License
+#
+#  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, the license can be downloaded here:
+#
+#  http://www.gnu.org/licenses/gpl.html
+
+# Meta
+__version__ = '0.1.1'
+__license__ = "GNU General Public License (GPL) Version 3"
+__version_info__ = (0, 1, 1)
+__author__ = 'Michael Liebler <michael-liebler@radio-z.net>'
+
+"""
+Aura Config Reader
+"""
+import os
+import sys
+import socket
+import logging
+
+from configparser import ConfigParser
+
+
+class ConfigReader(object):
+    ini_path = ""
+    logger = None
+
+    def __init__(self):
+        self.logger = logging.getLogger("AuraEngine")
+
+    def set(self, key, value):
+        """
+        Set a property
+        @type    key: string
+        @param   key: The Key
+        @type    value: mixed
+        @param   value: Beliebiger Wert
+        """
+        try:
+            self.__dict__[key] = int(value)
+        except:
+            self.__dict__[key] = str(value)
+
+    # ------------------------------------------------------------------------------------------ #
+    def get(self, key, default=None):
+        """
+        get a loaded property
+        @type    key: string
+        @param   key: Der Key
+        @type    default: mixed
+        @param   default: Beliebiger Wert
+        """
+
+        if key not in self.__dict__:
+            if default:
+                self.set(key, default)
+            else:
+                self.logger.warning("Key " + key + " not found in configfile " + self.ini_path + "!")
+                return None
+
+        if key == "loglevel":
+            loglvl = self.__dict__[key]
+
+            if loglvl == "debug":
+                return logging.DEBUG
+            elif loglvl == "info":
+                return logging.INFO
+            elif loglvl == "warning":
+                return logging.WARNING
+            elif loglvl == "error":
+                return logging.ERROR
+            else:
+                return logging.CRITICAL
+
+        if key == "debug":
+            return self.__dict__[key].count("y")
+
+        return self.__dict__[key]
+
+    # ------------------------------------------------------------------------------------------ #
+    def load_config(self):
+        """
+        Set config defaults and load settings from file
+        :return:
+        """
+        self.ini_path = self.get('configpath', '/etc/aura/engine.ini')
+
+        if not os.path.isfile(self.ini_path):
+            self.logger.critical(self.ini_path + " not found  :(")
+            sys.exit(1)
+
+        # INI einlesen
+        f = open(self.ini_path, 'r')
+        ini_str = f.read()
+        f.close()
+
+        config_parser = ConfigParser()
+        try:
+            config_parser.read_string(ini_str)
+        except Exception as e:
+            self.logger.critical("Cannot read " + self.ini_path + "! Reason: " + str(e))
+            sys.exit(0)
+
+        for section in config_parser.sections():
+            for key, value in config_parser.items(section):
+                v = config_parser.get(section, key).replace('"', '').strip()
+                self.set(key, v)
+
+        self.set("install_dir", os.path.realpath(__file__ + "../../../.."))
+
+

modules/cli_tool/padavan.py

+#
+#  engine
+#
+#  Playout Daemon for autoradio project
+#
+#
+#  Copyright (C) 2017-2018 Gottfried Gaisbauer <gottfried.gaisbauer@servus.at>
+#
+#  This file is part of engine.
+#
+#  engine 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
+#  any later version.
+#
+#  engine 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 engine. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import simplejson
+
+from libraries.enum.auraenumerations import RedisChannel, TerminalColors
+from modules.communication.redis.adapter import ClientRedisAdapter, ServerRedisAdapter
+from modules.communication.redis.messenger import RedisMessenger
+from libraries.database.broadcasts import AuraDatabaseModel
+
+
+class Padavan:
+    args = None
+    config = None
+
+    lsc = None
+    zmqclient = None
+    redisclient = None
+    stringreply = ""
+
+    # ------------------------------------------------------------------------------------------ #
+    def __init__(self, args, config):
+        self.args = args
+        self.config = config
+
+    # ------------------------------------------------------------------------------------------ #
+    def meditate(self):
+        if self.args.fetch_new_programme:
+            self.fetch_new_programme()
+
+        elif self.args.get_active_mixer:
+            self.get_active_mixer()
+
+        elif self.args.get_mixer_status:
+            self.get_mixer_status()
+
+        elif self.args.get_act_programme:
+            self.get_act_programme()
+
+        elif self.args.get_connection_status:
+            self.get_connection_status()
+
+        elif self.args.shutdown:
+            self.shutdown()
+
+        elif self.args.redis_message:
+            self.redis_message(self.args.redis_message[0], self.args.redis_message[1])
+
+        elif self.args.select_mixer != -1:
+            self.select_mixer(self.args.select_mixer)
+
+        elif self.args.deselect_mixer != -1:
+            self.select_mixer(self.args.deselect_mixer, False)
+
+        elif self.args.set_volume:
+            self.set_volume(self.args.set_volume[0], self.args.set_volume[1])
+
+        elif self.args.swap_playlist_entries:
+            self.swap_playlist_entries(self.args.swap_playlist_entries[0], self.args.swap_playlist_entries[1])
+
+        elif self.args.delete_playlist_entry:
+            self.delete_playlist_entry(self.args.delete_playlist_entry[0])
+
+        elif self.args.insert_playlist_entry:
+            self.insert_playlist_entry(self.args.insert_playlist_entry[0], self.args.insert_playlist_entry[1]) #, self.args.insert_playlist_entry[2])
+
+        elif self.args.print_message_queue:
+            self.print_message_queue()
+
+        elif self.args.get_file_for:
+            self.get_next_file(self.args.get_file_for)
+
+        elif self.args.set_file_for:
+            self.set_next_file(self.args.set_file_for[0], self.args.set_file_for[1])
+
+        elif self.args.now_playing:
+            print("")
+
+        elif self.args.init_player:
+            self.init_player()
+
+        elif self.args.recreatedb:
+            self.recreatedb()
+
+        # else:
+        #    raise Exception("")
+
+    # init liquid => faster exec time, when loading at runtime just what is needed
+    # ------------------------------------------------------------------------------------------ #
+    def init_liquidsoap_communication(self):
+        # import
+        from modules.communication.liquidsoap.communicator import LiquidSoapCommunicator
+
+        # init liquidsoap communication
+        self.lsc = LiquidSoapCommunicator(self.config)
+        # enable connection
+        self.lsc.enable_transaction()
+
+    # ------------------------------------------------------------------------------------------ #
+    def destroy_liquidsoap_communication(self):
+        # enable connection
+        self.lsc.disable_transaction()
+
+    # ------------------------------------------------------------------------------------------ #
+    def init_redis_communication(self, with_server=False):
+        self.redisclient = ClientRedisAdapter()
+
+        if with_server:
+            self.redisserver = ServerRedisAdapter()
+
+    # ------------------------------------------------------------------------------------------ #
+    def send_redis(self, channel, message):
+        self.init_redis_communication()
+        self.redisclient.publish(channel, message)
+
+    # ------------------------------------------------------------------------------------------ #
+    def send_and_wait_redis(self, channel, message, reply_channel):
+        self.init_redis_communication(True)
+        self.redisclient.publish(channel, message)
+        return self.redisserver.listen_for_one_message(reply_channel.value)
+
+    # ------------------------------------------------------------------------------------------ #
+    def shutdown(self):
+        self.send_redis("aura", "shutdown")
+        self.stringreply = "Shutdown message sent!"
+
+    # ------------------------------------------------------------------------------------------ #
+    def fetch_new_programme(self):
+        json_reply = self.send_and_wait_redis("aura", "fetch_new_programme", RedisChannel.FNP_REPLY)
+        if json_reply != "":
+            actprogramme = simplejson.loads(json_reply)
+            self.print_programme(actprogramme)
+        else:
+            print("No programme fetched")
+
+    # ------------------------------------------------------------------------------------------ #
+    def get_act_programme(self):
+        json_reply = self.send_and_wait_redis("aura", "get_act_programme", RedisChannel.GAP_REPLY)
+        actprogramme = simplejson.loads(json_reply)
+        self.print_programme(actprogramme)
+
+    # ------------------------------------------------------------------------------------------ #
+    def get_connection_status(self):
+        json_reply = self.send_and_wait_redis("aura", "get_connection_status", RedisChannel.GCS_REPLY)
+        connection_status = simplejson.loads(json_reply)
+        self.print_connection_status(connection_status)
+
+    # ------------------------------------------------------------------------------------------ #
+    def print_programme(self, programme):
+        cnt = 1
+        for show in programme:
+            for entry in show["playlist"]:
+                self.stringreply += str(cnt) + \
+                    " --- schedule id #" + str(show["schedule_id"]) + "." + str(entry["entry_num"]) + \
+                    " - show: " + show["show_name"] + \
+                    " - starts @ " + entry["entry_start"] + \
+                    " - plays " + str(entry["source"]) + "\n"
+                cnt = cnt + 1
+
+    # ------------------------------------------------------------------------------------------ #
+    def print_connection_status(self, connection_status):
+
+        if connection_status["pv"]:
+            self.stringreply = "Connection to pv:    " + TerminalColors.GREEN.value + " " + str(connection_status["pv"]) + TerminalColors.ENDC.value
+        else:
+            self.stringreply = "Connection to pv:    " + TerminalColors.RED.value + " " + str(connection_status["pv"]) + TerminalColors.ENDC.value
+
+        if connection_status["db"]:
+            self.stringreply += "\nConnection to db:    " + TerminalColors.GREEN.value + " " + str(connection_status["db"]) + TerminalColors.ENDC.value
+        else:
+            self.stringreply += "\nConnection to db:    " + TerminalColors.RED.value + " " + str(connection_status["db"]) + TerminalColors.ENDC.value
+
+        if connection_status["lqs"]:
+            self.stringreply += "\nConnection to lqs:   " + TerminalColors.GREEN.value + " " + str(connection_status["lqs"]) + TerminalColors.ENDC.value
+        else:
+            self.stringreply += "\nConnection to lqs:   " + TerminalColors.RED.value + " " + str(connection_status["lqs"]) + TerminalColors.ENDC.value
+
+        if connection_status["lqsr"]:
+            self.stringreply += "\nConnection to lqsr:  " + TerminalColors.GREEN.value + " " + str(connection_status["lqsr"]) + TerminalColors.ENDC.value
+        else:
+            self.stringreply += "\nConnection to lqsr:  " + TerminalColors.RED.value + " " + str(connection_status["lqsr"]) + TerminalColors.ENDC.value
+
+        if connection_status["tank"]:
+            self.stringreply += "\nConnection to tank:  " + TerminalColors.GREEN.value + " " + str(connection_status["tank"]) + TerminalColors.ENDC.value
+        else:
+            self.stringreply += "\nConnection to tank:  " + TerminalColors.RED.value + " " + str(connection_status["tank"]) + TerminalColors.ENDC.value
+
+        if connection_status["redis"]:
+            self.stringreply += "\nConnection to redis: " + TerminalColors.GREEN.value + " " + str(connection_status["redis"]) + TerminalColors.ENDC.value
+        else:
+            self.stringreply += "\nConnection to redis: " + TerminalColors.RED.value + " " + str(connection_status["redis"]) + TerminalColors.ENDC.value
+
+    # ------------------------------------------------------------------------------------------ #
+    def init_player(self):
+        self.stringreply = self.send_and_wait_redis("aura", "init_player", RedisChannel.IP_REPLY)
+
+    # ------------------------------------------------------------------------------------------ #
+    def recreatedb(self):
+        print("YOU WILL GET PROBLEMS DUE TO DATABASE BLOCKING IF aura.py IS RUNNING! NO CHECKS IMPLEMENTED SO FAR!")
+        x = AuraDatabaseModel()
+        x.recreate_db()
+        self.stringreply = "Database recreated!"
+
+    # ------------------------------------------------------------------------------------------ #
+    def redis_message(self, channel, message):
+        self.send_redis(channel, message)
+        self.stringreply = "Message '"+message+"' sent to channel '"+channel+"'"
+
+    # ------------------------------------------------------------------------------------------ #
+    def swap_playlist_entries(self, from_index, to_index):
+        json_reply = self.send_and_wait_redis("aura", "swap_playlist_entries " + str(from_index) + " " + str(to_index), RedisChannel.MPE_REPLY)
+        actprogramme = simplejson.loads(json_reply)
+        self.print_programme(actprogramme)
+
+    # ------------------------------------------------------------------------------------------ #
+    def delete_playlist_entry(self, index):
+        json_reply = self.send_and_wait_redis("aura", "delete_playlist_entry " + str(index), RedisChannel.DPE_REPLY)
+        actprogramme = simplejson.loads(json_reply)
+        self.print_programme(actprogramme)
+
+    # ------------------------------------------------------------------------------------------ #
+    def insert_playlist_entry(self, fromtime, source):
+        json_reply = self.send_and_wait_redis("aura", "insert_playlist_entry " + fromtime + " " + source, RedisChannel.IPE_REPLY)
+        actprogramme = simplejson.loads(json_reply)
+        self.print_programme(actprogramme)
+
+    # ------------------------------------------------------------------------------------------ #
+    def print_message_queue(self):
+        self.stringreply = self.send_and_wait_redis("aura", "print_message_queue", RedisChannel.PMQ_REPLY)
+
+    # LIQUIDSOAP #
+
+    # ------------------------------------------------------------------------------------------ #
+    def select_mixer(self, mixername, activate=True):
+        # init lqs
+        self.init_liquidsoap_communication()
+
+        # select mixer and return the feedback
+        self.stringreply = self.lsc.channel_activate(mixername, activate)
+
+        # disable connection
+        self.destroy_liquidsoap_communication()
+
+    # ------------------------------------------------------------------------------------------ #
+    def set_volume(self, mixernumber, volume):
+        # init lqs and enable comm
+        self.init_liquidsoap_communication()
+        self.stringreply = self.lsc.set_volume(mixernumber, volume)
+        # disable connection
+        self.destroy_liquidsoap_communication()
+
+    # ------------------------------------------------------------------------------------------ #
+    def get_active_mixer(self):
+        self.init_liquidsoap_communication()
+        am = self.lsc.get_active_mixer()
+
+        if len(am) == 0:
+            self.destroy_liquidsoap_communication()
+            raise Exception("Guru recognized a problem: No active source!!!")
+
+        self.stringreply = str(am)
+
+        # disable connection
+        self.destroy_liquidsoap_communication()
+
+    # ------------------------------------------------------------------------------------------ #
+    def get_mixer_status(self):
+        self.init_liquidsoap_communication()
+
+        status = self.lsc.get_mixer_status()
+
+        for k, v in status.items():
+            self.stringreply += "source: " + k + "\t status: " + v + "\n"
+
+        # disable connection
+        self.destroy_liquidsoap_communication()
+
+    # REDIS #
+
+    # ------------------------------------------------------------------------------------------ #
+    def get_next_file(self, type):
+#        redis = RedisMessenger()
+#        next_file = redis.get_next_file_for(type)
+#        if next_file == "":
+#            next_file = "/var/audio/blank.flac"
+#        self.stringreply = next_file
+
+        #self.send_redis("aura", "set_next_file " + type)
+
+        next_file = self.send_and_wait_redis("aura", "get_next_file " + type, RedisChannel.GNF_REPLY)
+        self.stringreply = next_file
+
+    # ------------------------------------------------------------------------------------------ #
+    def set_next_file(self, type, file):
+        #from modules.communication.redis.messenger import RedisMessenger
+        #redis = RedisMessenger()
+
+        #redis.set_next_file_for(type, file)
+        self.send_redis("aura", "set_next_file " + type + " " + file)
+        self.stringreply = "Set "+file+" for fallback '"+type+"'"

modules/communication/connection_tester.py

+#
+#  engine
+#
+#  Playout Daemon for autoradio project
+#
+#
+#  Copyright (C) 2017-2018 Gottfried Gaisbauer <gottfried.gaisbauer@servus.at>
+#
+#  This file is part of engine.
+#
+#  engine 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
+#  any later version.
+#
+#  engine 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 engine. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import urllib
+import logging
+import simplejson
+
+from modules.communication.liquidsoap.communicator import LiquidSoapCommunicator
+from libraries.database.broadcasts import ScheduleEntry
+from libraries.base.config import AuraConfig
+
+
+# ------------------------------------------------------------------------------------------ #
+class ConnectionTester(AuraConfig):
+
+    # ------------------------------------------------------------------------------------------ #
+    def __init__(self):
+        super(ConnectionTester, self).__init__()
+
+    # ------------------------------------------------------------------------------------------ #
+    def get_connection_status(self):
+        status = dict()
+        status["db"] = self.test_db_conn()
+        status["pv"] = self.test_pv_conn()
+        status["lqs"] = self.test_lqs_conn()
+        status["lqsr"] = False # self.test_lqsr_conn()
+        status["tank"] = self.test_tank_conn()
+        status["redis"] = self.test_redis_conn()
+
+        return simplejson.dumps(status)
+
+    # ------------------------------------------------------------------------------------------ #
+    def test_db_conn(self):
+        try:
+            ScheduleEntry.select_all()
+        except:
+            return False
+
+        return True
+
+    # ------------------------------------------------------------------------------------------ #
+    def test_lqs_conn(self):
+        try:
+            lsc = LiquidSoapCommunicator(self.config)
+            lsc.get_mixer_status()
+            return True
+
+        except Exception as e:
+            return False
+
+    # ------------------------------------------------------------------------------------------ #
+    def test_lqsr_conn(self):
+        try:
+            lsc = LiquidSoapCommunicator(self.config)
+            lsc.get_recorder_status()
+            return True
+
+        except Exception as e:
+            return False
+
+    # ------------------------------------------------------------------------------------------ #
+    def test_pv_conn(self):
+        return self.test_url_connection(self.config.get("calendarurl"))
+
+    # ------------------------------------------------------------------------------------------ #
+    def test_tank_conn(self):
+        # test load of playlist 1
+        return self.test_url_connection(self.config.get("importerurl")+"1")
+
+    # ------------------------------------------------------------------------------------------ #
+    def test_redis_conn(self):
+        from modules.communication.redis.adapter import ClientRedisAdapter
+        try:
+            cra = ClientRedisAdapter()
+            cra.publish("aura", "status")
+        except:
+            return False
+
+        return True
+
+    def test_url_connection(self, url):
+        try:
+            request = urllib.request.Request(url)
+            response = urllib.request.urlopen(request)
+            response.read()
+        except Exception as e:
+            return False
+
+        return True
\ No newline at end of file

modules/communication/liquidsoap/client.py

+#
+#  engine
+#
+#  Playout Daemon for autoradio project
+#
+#
+#  Copyright (C) 2017-2018 Gottfried Gaisbauer <gottfried.gaisbauer@servus.at>
+#
+#  This file is part of engine.
+#
+#  engine 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
+#  any later version.
+#
+#  engine 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 engine. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import socket
+import urllib.parse
+import configparser
+import logging
+
+from multiprocessing import Lock
+
+from libraries.exceptions.auraexceptions import LQConnectionError
+
+
+""" 
+    LiquidSoapClient Class 
+    Connects to a LiquidSoap instance over a socket and sends commands to it
+"""
+
+
+class LiquidSoapClient:
+    mutex = None
+    logger = None
+    debug = False
+    socket_path = ""
+    disable_logging = True
+
+    def __init__(self, config, socket_filename):
+        """
+        Constructor
+        @type    socket_path: string
+        @param   socket_path: Der Pfad zum Socket des Liquidsoap-Scripts
+        """
+        self.logger = logging.getLogger("AuraEngine")
+        self.socket_path = config.get('socketdir') + '/' + socket_filename
+
+        self.logger.debug("LiquidSoapClient using socketpath: " + self.socket_path)
+
+        # init
+        self.mutex = Lock()
+        self.connected = False
+        self.can_connect = True
+        self.message = ''
+        self.socket = None
+        self.metareader = configparser.ConfigParser()
+
+    # ------------------------------------------------------------------------------------------ #
+    def connect(self):
+        """
+        Verbindung herstellen
+        """
+        try:
+            self.socket = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+            self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+            self.socket.connect(self.socket_path)
+        except socket.error as e:
+            msg = "Cannot connect to socketpath " + self.socket_path + ". Reason: "+str(e)
+            self.logger.critical(msg)
+            self.can_connect = False
+            self.connected = False
+#            raise e
+        else:
+            self.can_connect = True
+            self.connected = True
+            return True
+
+    # ------------------------------------------------------------------------------------------ #
+    def is_connected(self):
+        return self.connected
+
+    # ------------------------------------------------------------------------------------------ #
+    def write(self, data):
+        """
+        Auf den Socket schreiben
+        @type    data: string
+        @param   data: Der String der gesendet wird
+        """
+        if self.connected:
+            self.socket.sendall(data.decode("UTF-8"))
+
+    # ------------------------------------------------------------------------------------------ #
+    def read_all(self, timeout=2):
+        """
+        Vom Socket lesen, bis dieser "END" sendet
+        @type    timeout: int
+        @param   timeout: Ein optionales Timeout
+        @rtype:  string
+        @return: Die Antwort des Liquidsoap-Servers
+        """
+        # make socket non blocking
+        # self.client.setblocking(0)
+
+        data = '';
+
+        try:
+            # set timeout
+            self.socket.settimeout(timeout)
+
+            # acquire the lock
+            self.mutex.acquire()
+
+            while True:
+                data += self.socket.recv(1).decode("utf-8")
+
+                # receive as long as we are not at the END or recv a Bye! from liquidsoap
+                if data.find("END\r\n") != -1 or data.find("Bye!\r\n") != -1:
+                    data.replace("END\r\n", "")
+                    break
+
+            # release the lock
+            self.mutex.release()
+
+        except Exception as e:
+            self.logger.error(str(e))
+            self.mutex.release()
+
+        return data
+
+    # ------------------------------------------------------------------------------------------ #
+    def read(self):
+        """
+        read from socket and store return value in self.message
+        @rtype:  string
+        @return: The answer of liquidsoap server
+        """
+        if self.connected:
+            ret = self.read_all().splitlines()
+
+            try:
+                last = ret.pop() # pop out end
+
+                if len(ret) > 1:
+                    self.message = str.join(" - ", ret)
+                elif len(ret) == 1:
+                    self.message = ret[0]
+
+                if last == "Bye!":
+                    self.message = last
+
+            except Exception as e:
+                self.logger.error(str(e))
+
+            return self.message
+
+    # ------------------------------------------------------------------------------------------ #
+    def close(self):
+        """
+        Quit senden und Verbindung schließen
+        """
+        if self.connected:
+            message = "quit\r"
+            self.socket.sendall(message.decode("UTF-8"))
+            self.socket.close()
+            self.connected = False
+
+    # ------------------------------------------------------------------------------------------ #
+    def command(self, namespace, command, param=""):
+        """
+        Kommando an Liquidosap senden
+        @type    command:   string
+        @param   command:   Kommando
+        @type    namespace: string
+        @param   namespace: Namespace/Kanal der angesprochen wird
+        @type    param:     mixed
+        @param   param:     ein optionaler Parameter
+        @rtype:  string
+        @return: Die Antwort des Liquidsoap-Servers
+        """
+
+        param = (param.strip() if param.strip() == "" else " " + urllib.parse.unquote(param.strip()))
+        if self.connected:
+            # print namespace + '.' + command + param + "\n"
+            if namespace is "":
+                message = str(command) + str(param) + str("\n")
+            else:
+                message = str(namespace) + str(".") + str(command) + str(param) + str("\n")
+
+            try:
+                if not self.disable_logging:
+                    self.logger.info("LiquidSoapClient sending to LiquidSoap Server: " + message[0:len(message)-1])
+
+                # send all the stuff over the socket to liquidsoap server
+                self.socket.sendall(message.encode())
+
+                if not self.disable_logging:
+                    self.logger.debug("LiquidSoapClient waiting for reply from LiquidSoap Server")
+
+                # wait for reply
+                self.read()
+
+                if not self.disable_logging:
+                    self.logger.info("LiquidSoapClient got reply: " + self.message)
+            except BrokenPipeError as e:
+                self.logger.error("Detected a problem with liquidsoap connection while sending: " + message + ". Reason: " + str(e) + "! Trying to reconnect.")
+                self.connect()
+                raise
+
+            except Exception as e:
+                self.logger.error("Unexpected error: " + str(e))
+                raise
+
+            return self.message
+        else:
+            msg = "LiquidsoapClient not connected to LiquidSoap Server"
+            self.logger.error(msg)
+            raise LQConnectionError(msg)
+
+    # ------------------------------------------------------------------------------------------ #
+    def help(self):
+        """
+        get liquidsoap server help
+        @rtype:  string
+        @return: the response of the liquidsoap server
+        """
+        if self.connected:
+            self.command('help', '')
+            return self.message
+
+    # ------------------------------------------------------------------------------------------ #
+    def version(self):
+        """
+        Liquidsoap get version
+        @rtype:  string
+        @return: the response of the liquidsoap server
+        """
+        if self.connected:
+            message = 'version'
+            self.command(message, '')
+            return self.message
+
+    # ------------------------------------------------------------------------------------------ #
+    def uptime(self):
+        """
+        Liquidsoap get uptime
+        @rtype:  string
+        @return: Die Antwort des Liquidsoap-Servers
+        """
+
+        if self.connected:
+            self.command('uptime', '')
+            return self.message
+
+    # ------------------------------------------------------------------------------------------ #
+    def byebye(self):
+        """
+        Liquidsoap say byebye
+        @rtype:  string
+        @return: Die Antwort des Liquidsoap-Servers
+        """
+
+        if self.connected:
+            self.command("", "quit")
+            return self.message
\ No newline at end of file

modules/communication/liquidsoap/initthread.py

+#
+#  engine
+#
+#  Playout Daemon for autoradio project
+#
+#
+#  Copyright (C) 2017-2018 Gottfried Gaisbauer <gottfried.gaisbauer@servus.at>
+#
+#  This file is part of engine.
+#
+#  engine 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
+#  any later version.
+#
+#  engine 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 engine. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import time
+import logging
+import datetime
+import threading
+
+from libraries.enum.auraenumerations import ScheduleEntryType
+
+
+class LiquidSoapInitThread(threading.Thread):
+    logger = None
+    active_entry = None
+    liquidsoapcommunicator = None
+
+    # ------------------------------------------------------------------------------------------ #
+    def __init__(self, liquidsoapcommunicator, active_entry):
+        threading.Thread.__init__(self)
+        self.logger = logging.getLogger("AuraEngine")
+        self.liquidsoapcommunicator = liquidsoapcommunicator
+        self.active_entry = active_entry
+
+    # ------------------------------------------------------------------------------------------ #
+    def run(self):
+        try:
+            # sleep needed, because the socket is created too slow by liquidsoap
+            time.sleep(1)
+            self.logger.info("Waited 1s for liquidsoap. Jez soit a si gspian")
+
+            # enable lqs transaction
+            self.liquidsoapcommunicator.enable_transaction()
+
+            # wait another second. lqs really starts slow.. be prepared you liquidsoap you!
+            time.sleep(1)
+
+            # set some parameters
+            self.set_start_parameters()
+
+            # set active
+            self.set_active_show()
+
+            # disable lqs transaction again
+            self.liquidsoapcommunicator.disable_transaction()
+
+            # the rest of the system now can use liquidsoap connection
+            self.liquidsoapcommunicator.is_liquidsoap_running = True
+        except Exception as e:
+            self.logger.critical("Liquidsoap connection ERROR! Restart LQ Server! Reason: "+str(e))
+
+    def set_active_show(self):
+        if self.active_entry is not None:
+            self.logger.info("LiquidSoapInitThread sets activechannel: " + str(self.active_entry))
+
+            channel = self.active_entry.type
+
+            # have to seek?
+            if channel == ScheduleEntryType.FILESYSTEM:
+                # calc how many seconds were missed
+                now_unix = time.mktime(datetime.datetime.now().timetuple())
+                seconds_to_seek = now_unix - self.active_entry.entry_start_unix
+
+                # and seek these seconds forward
+                if seconds_to_seek > 0:
+                    self.liquidsoapcommunicator.playlist_seek(seconds_to_seek)
+
+            # finally make something hearable :-)
+            if channel != "" and channel is not None:
+                # activate http stream if needed
+                self.liquidsoapcommunicator.http_start_stop(channel == ScheduleEntryType.STREAM)
+                # finally set the volume up
+                self.liquidsoapcommunicator.channel_volume(channel.value, self.active_entry.volume)
+            else:
+                self.logger.error("Channel is NULL or empty! Cannot set ")
+
+        else:
+            self.logger.warning("No active entry in the scheduler! Is a programme loaded?")
+
+    def set_start_parameters(self):
+        # reset channels and reload them
+        channels = self.liquidsoapcommunicator.reload_channels()
+
+        # for all available channels
+        for c in channels:
+            # set volume to zero
+            self.liquidsoapcommunicator.channel_volume(c, "0")
+            # and activate this channel
+            self.liquidsoapcommunicator.channel_activate(c, True)
+
+        # setting init params like a blank file..
+        install_dir = self.liquidsoapcommunicator.config.get("install_dir")
+        self.liquidsoapcommunicator.playlist_push(install_dir + "/configuration/blank.flac")
+        # .. or the radio fro stream (it is overwritten as soon as one http overtake is planned)
+        self.liquidsoapcommunicator.set_http_url("http://stream.fro.at/fro-128.ogg")

modules/communication/mail/mail.py

+#
+#  engine
+#
+#  Playout Daemon for autoradio project
+#
+#
+#  Copyright (C) 2017-2018 Gottfried Gaisbauer <gottfried.gaisbauer@servus.at>
+#
+#  This file is part of engine.
+#
+#  engine 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
+#  any later version.
+#
+#  engine 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 engine. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import smtplib
+from email.message import EmailMessage
+from libraries.exceptions.auraexceptions import MailingException
+
+
+class AuraMailer():
+    config = None
+
+    # ------------------------------------------------------------------------------------------ #
+    def __init__(self, config):
+        self.config = config
+        self.admin_mails = config.get("admin_mail")
+
+    # ------------------------------------------------------------------------------------------ #
+    def send_admin_mail(self, subject, body):
+        admin_mails = self.admin_mails.split()
+
+        for mail_to in admin_mails:
+            self.__send(mail_to, subject, body)
+
+    # ------------------------------------------------------------------------------------------ #
+    def __send(self, mail_to, subject, body):
+        # read config
+        mail_server = self.config.get("mail_server")
+        mail_port = self.config.get("mail_server_port")
+        mail_user = self.config.get("mail_user")
+        mail_pass = self.config.get("mail_pass")
+        from_mail = self.config.get("from_mail")
+
+        # check settings
+        if mail_server == "":
+            raise MailingException("Mail Server not set")
+        if mail_port == "":
+            raise MailingException("Mailserver Port not set")
+        if mail_user == "":
+            raise MailingException("Mail user not set")
+        if mail_pass == "":
+            raise MailingException("No Password for mailing set")
+        if from_mail == "":
+            raise MailingException("From Mail not set")
+
+        # stuff the message together and ...
+        msg = EmailMessage()
+        msg.set_content(body)
+        mailsubject_prefix = self.config.get("mailsubject_prefix")
+        if mailsubject_prefix == "":
+            msg["Subject"] = subject
+        else:
+            msg["Subject"] = mailsubject_prefix + " " + subject
+        msg["From"] = from_mail
+        msg["To"] = mail_to
+
+        # ... send the mail
+        try:
+            server = smtplib.SMTP(mail_server, int(mail_port))
+            server.starttls()
+            server.login(mail_user, mail_pass)
+            server.send_message(msg)
+            server.quit()
+        except Exception as e:
+            raise MailingException(str(e))

modules/communication/redis/adapter.py

+#
+#  engine
+#
+#  Playout Daemon for autoradio project
+#
+#
+#  Copyright (C) 2017-2018 Gottfried Gaisbauer <gottfried.gaisbauer@servus.at>
+#
+#  This file is part of engine.
+#
+#  engine 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
+#  any later version.
+#
+#  engine 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 engine. If not, see <http://www.gnu.org/licenses/>.
+#
+
+import sys
+import time
+import redis
+import logging
+import threading
+
+from datetime import datetime
+from threading import Event
+
+from modules.communication.redis.messenger import RedisMessenger
+from modules.communication.connection_tester import ConnectionTester
+from libraries.database.statestore import RedisStateStore
+from libraries.exceptions.auraexceptions import RedisConnectionException
+from libraries.enum.auraenumerations import RedisChannel, TerminalColors, FallbackType
+
+
+# ------------------------------------------------------------------------------------------ #
+class ServerRedisAdapter(threading.Thread, RedisMessenger):
+    debug = False
+    pubsub = None
+    config = None
+    redisdb = None
+    channel = ""
+    scheduler = None
+    redisclient = None
+    connection_tester = None
+    liquidsoapcommunicator = None
+
+    # ------------------------------------------------------------------------------------------ #
+    def __init__(self):
+        threading.Thread.__init__(self)
+        RedisMessenger.__init__(self)
+
+        # init
+        threading.Thread.__init__ (self)
+        self.shutdown_event = Event()
+
+        self.channel = RedisChannel.STANDARD.value
+        self.section = ''
+        self.rstore = RedisStateStore()
+        self.errnr = '00'
+        self.components = {'controller':'01', 'scheduling':'02', 'playd':'03', 'recorder':'04', 'helpers':'09'}
+        self.fromMail = ''
+        self.adminMails = ''
+
+        self.redisclient = ClientRedisAdapter()
+        self.connection_tester = ConnectionTester()
+
+    # ------------------------------------------------------------------------------------------ #
+    def run(self):
+        self.redisdb = redis.Redis()
+        self.pubsub = self.redisdb.pubsub()
+        self.pubsub.subscribe(self.channel)
+
+        self.logger.info(TerminalColors.ORANGE.value + "waiting for REDIS message on channel " + self.channel + TerminalColors.ENDC.value)
+
+        # listener loop
+        for item in self.pubsub.listen():
+            if item["type"] == "subscribe":
+                continue
+
+            self.logger.info(TerminalColors.ORANGE.value + "received REDIS message: " + TerminalColors.ENDC.value + str(item))
+
+            item["channel"] = self.decode_if_needed(item["channel"])
+            item["data"] = self.decode_if_needed(item["data"])
+
+            try:
+                self.work(item)
+            except RedisConnectionException as rce:
+                self.logger.error(str(rce))
+
+            if not self.shutdown_event.is_set():
+                self.logger.info(TerminalColors.ORANGE.value + "waiting for REDIS message on channel " + self.channel + TerminalColors.ENDC.value)
+
+        self.pubsub.unsubscribe()
+
+        if not self.shutdown_event.is_set():
+            self.logger.warning("unsubscribed from " + self.channel + " and finished")
+
+    # ------------------------------------------------------------------------------------------ #
+    def decode_if_needed(self, val):
+        if isinstance(val, bytes):
+            return val.decode("utf-8")
+        return val
+
+    # ------------------------------------------------------------------------------------------ #
+    def listen_for_one_message(self, channel, socket_timeout=2):
+        self.redisdb = redis.Redis(socket_timeout=socket_timeout)
+        self.pubsub = self.redisdb.pubsub()
+        self.pubsub.subscribe(channel)
+
+        try:
+            self.logger.info("I am listening on channel '"+channel+"' for "+str(socket_timeout)+" seconds")
+
+            for item in self.pubsub.listen():
+                it = self.receive_message(item)
+                if it is not None:
+                    break
+        except redis.exceptions.TimeoutError as te:
+            raise te
+
+        return item["data"]
+
+    # ------------------------------------------------------------------------------------------ #
+    def receive_message(self, item):
+        if item["type"] == "subscribe":
+            self.logger.info("i am subscribed to channel " + item["channel"].decode("utf-8"))
+            return None
+
+        item["channel"] = item["channel"].decode("utf-8")
+        if isinstance(item["data"], bytes):
+            item["data"] = item["data"].decode("utf-8")
+
+        self.pubsub.unsubscribe()
+        return item
+
+    # ------------------------------------------------------------------------------------------ #
+    def work(self, item):
+        if item["data"] == "fetch_new_programme":
+            #self.execute(RedisChannel.FNP_REPLY.value, self.scheduler.fetch_new_programme)
+            self.execute(RedisChannel.FNP_REPLY.value, self.scheduler.get_act_programme_as_string)
+
+        elif item["data"] == "shutdown":
+            self.shutdown_event.set()
+            self.scheduler.stop()
+            self.pubsub.close()
+            self.logger.info("shutdown event received. Bye bye...")
+
+        elif item["data"] == "init_player":
+            self.execute(RedisChannel.IP_REPLY.value, self.liquidsoapcommunicator.init_player)
+
+        elif item["data"] == "get_act_programme":
+            self.execute(RedisChannel.GAP_REPLY.value, self.scheduler.get_act_programme_as_string)
+
+        elif item["data"] == "get_connection_status":
+            self.execute(RedisChannel.GCS_REPLY.value, self.connection_tester.get_connection_status)
+
+        elif item["data"] == "print_message_queue":
+            self.execute(RedisChannel.PMQ_REPLY.value, self.scheduler.print_message_queue)
+
+        elif item["data"].find("swap_playlist_entries") >= 0:
+            extracted = item["data"].split()[1:3]
+            param = {"from_index": extracted[0], "to_index": extracted[1]}
+            self.execute(RedisChannel.MPE_REPLY.value, self.scheduler.swap_playlist_entries, param)
+
+        elif item["data"].find("delete_playlist_entry") >= 0:
+            entrynum = item["data"].split()[1]
+            self.logger.info("entry to del: " + str(entrynum))
+            self.execute(RedisChannel.DPE_REPLY.value, self.scheduler.delete_playlist_entry, entrynum)
+
+        elif item["data"].find("insert_playlist_entry") >= 0:
+            extracted = item["data"].split()[1:3]
+            param = {"fromtime": extracted[0], "source": extracted[1]}
+            self.execute(RedisChannel.IPE_REPLY.value, self.scheduler.insert_playlist_entry, param)
+
+        elif item["data"].find("set_next_file") >= 0:
+            playlist = item["data"].split()[1]
+            playlist = playlist[0:len(playlist)-8]
+            self.execute(RedisChannel.SNF_REPLY.value, self.scheduler.set_next_file_for, playlist)
+
+        elif item["data"].find("get_next_file") >= 0:
+            playlist = item["data"].split()[1]
+            #playlist = playlist[0:len(playlist)-8]
+            self.execute(RedisChannel.GNF_REPLY.value, self.scheduler.get_next_file_for, playlist)
+
+        elif item["data"] == "recreate_db":
+            self.execute(RedisChannel.RDB_REPLY.value, self.scheduler.recreate_database)
+
+        elif item["data"] == "status":
+            return True
+
+        else:
+            raise RedisConnectionException("ServerRedisAdapter Cannot understand command: " + item["data"])
+
+    # ------------------------------------------------------------------------------------------ #
+    def execute(self, channel, f, param=None):
+        if param:
+            reply = f(param)
+        else:
+            reply = f()
+
+        if reply is None:
+            reply = ""
+
+        # sometimes the sender is faster than the receiver. redis messages would be lost
+        time.sleep(0.1)
+
+        self.logger.info(TerminalColors.ORANGE.value + "replying REDIS message " + TerminalColors.ENDC.value + reply + TerminalColors.ORANGE.value + " on channel " + channel + TerminalColors.ENDC.value)
+
+        # publish
+        self.redisclient.publish(channel, reply)
+
+    # ------------------------------------------------------------------------------------------ #
+    def join_comm(self):
+        try:
+            while self.is_alive():
+                self.logger.info(str(datetime.now())+" joining")
+                self.join()
+                self.logger.warning("join out")
+
+        except (KeyboardInterrupt, SystemExit):
+            # Dem Server den Shutdown event setzen
+            # server.shutdown_event.set()
+            # Der Server wartet auf Eingabe
+            # Daher einen Client initiieren, der eine Nachricht schickt
+            self.halt()
+            sys.exit('Terminated')
+
+    # ------------------------------------------------------------------------------------------ #
+    def halt(self):
+        """
+        Stop the server
+        """
+        if self.shutdown_event.is_set():
+            return
+        try:
+            del self.auracontroller
+        except:
+            pass
+        self.shutdown_event.set()
+        result = 'failed'
+        try:
+            result = self.socket.unbind("tcp://"+self.ip+":"+self.port)
+        except:
+            pass
+
+        # self.socket.close()
+
+    # ------------------------------------------------------------------------------------------ #
+    def send(self, message):
+        """
+        Send a message to the client
+        :param message: string
+        """
+        if not self.can_send:
+            self.logger.info("sending a "+str(len(message))+" long message via REDIS.")
+            self.socket.send(message.encode("utf-8"))
+            self.can_send = False
+        else:
+            self.logger.warning("cannot send message via REDIS: "+str(message))
+
+
+# ------------------------------------------------------------------------------------------ #
+class ClientRedisAdapter(RedisMessenger):
+
+    def __init__(self):
+        RedisMessenger.__init__(self)
+
+    # ------------------------------------------------------------------------------------------ #
+    def publish(self, channel, message):
+        if type(channel) == RedisChannel:
+            channel = channel.value
+
+        self.rstore.publish(channel, message)

modules/liquidsoap/__init__.py

+__author__ = 'gg'

modules/liquidsoap/helpers/__init__.py

+__author__ = 'michel'
+
+import os
+import sys