HEAD

.bzrignore

@@ -47,4 +47,5 @@ htmlcov
 node_modules
 openlp-test-projectordb.sqlite
 package-lock.json
+.cache
 test

copyright.txt

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp.py

@@ -5,7 +5,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -39,7 +39,7 @@ def set_up_fault_handling():
     """
     # Create the cache directory if it doesn't exist, and enable the fault handler to log to an error log file
     create_paths(AppLocation.get_directory(AppLocation.CacheDir))
-    faulthandler.enable(open(str(AppLocation.get_directory(AppLocation.CacheDir) / 'error.log'), 'wb'))
+    faulthandler.enable((AppLocation.get_directory(AppLocation.CacheDir) / 'error.log').open('wb'))
 
 
 if __name__ == '__main__':

openlp/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/api/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -20,9 +20,9 @@
 # Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
 ###############################################################################
 
-from openlp.core.api.http.endpoint import Endpoint
 from openlp.core.api.http import register_endpoint, requires_auth
-from openlp.core.api.tab import ApiTab
+from openlp.core.api.http.endpoint import Endpoint
 from openlp.core.api.poll import Poller
+from openlp.core.api.tab import ApiTab
 
 __all__ = ['Endpoint', 'ApiTab', 'register_endpoint', 'requires_auth']

openlp/core/api/deploy.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -25,8 +25,8 @@ Download and "install" the remote web client
 from zipfile import ZipFile
 
 from openlp.core.common.applocation import AppLocation
+from openlp.core.common.httputils import download_file, get_web_page, get_url_file_size
 from openlp.core.common.registry import Registry
-from openlp.core.common.httputils import url_get_file, get_web_page, get_url_file_size
 
 
 def deploy_zipfile(app_root_path, zip_name):
@@ -65,7 +65,7 @@ def download_and_check(callback=None):
     sha256, version = download_sha256()
     file_size = get_url_file_size('https://get.openlp.org/webclient/site.zip')
     callback.setRange(0, file_size)
-    if url_get_file(callback, 'https://get.openlp.org/webclient/site.zip',
+    if download_file(callback, 'https://get.openlp.org/webclient/site.zip',
-                    AppLocation.get_section_data_path('remotes') / 'site.zip',
+                     AppLocation.get_section_data_path('remotes') / 'site.zip',
-                    sha256=sha256):
+                     sha256=sha256):
         deploy_zipfile(AppLocation.get_section_data_path('remotes'), 'site.zip')

openlp/core/api/endpoint/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/api/endpoint/controller.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -19,14 +19,14 @@
 # with this program; if not, write to the Free Software Foundation, Inc., 59  #
 # Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
 ###############################################################################
+import json
 import logging
 import os
-import urllib.request
 import urllib.error
-import json
+import urllib.request
 
-from openlp.core.api.http.endpoint import Endpoint
 from openlp.core.api.http import requires_auth
+from openlp.core.api.http.endpoint import Endpoint
 from openlp.core.common.applocation import AppLocation
 from openlp.core.common.path import Path
 from openlp.core.common.registry import Registry

openlp/core/api/endpoint/core.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -27,11 +27,10 @@ import os
 
 from openlp.core.api.http import requires_auth
 from openlp.core.api.http.endpoint import Endpoint
-from openlp.core.common.registry import Registry
 from openlp.core.common.i18n import UiStrings, translate
+from openlp.core.common.registry import Registry
 from openlp.core.lib import PluginStatus, StringContent, image_to_byte
 
-
 template_dir = 'templates'
 static_dir = 'static'
 blank_dir = os.path.join(static_dir, 'index')

openlp/core/api/endpoint/pluginhelpers.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/api/endpoint/remote.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -21,9 +21,8 @@
 ###############################################################################
 import logging
 
-from openlp.core.api.http.endpoint import Endpoint
 from openlp.core.api.endpoint.core import TRANSLATED_STRINGS
-
+from openlp.core.api.http.endpoint import Endpoint
 
 log = logging.getLogger(__name__)
 

openlp/core/api/endpoint/service.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -19,14 +19,13 @@
 # with this program; if not, write to the Free Software Foundation, Inc., 59  #
 # Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
 ###############################################################################
-import logging
 import json
+import logging
 
 from openlp.core.api.http import requires_auth
 from openlp.core.api.http.endpoint import Endpoint
 from openlp.core.common.registry import Registry
 
-
 log = logging.getLogger(__name__)
 
 service_endpoint = Endpoint('service')

openlp/core/api/http/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -22,10 +22,11 @@
 
 import base64
 from functools import wraps
+
 from webob import Response
 
-from openlp.core.common.settings import Settings
 from openlp.core.api.http.wsgiapp import WSGIApplication
+from openlp.core.common.settings import Settings
 from .errors import NotFound, ServerError, HttpError
 
 application = WSGIApplication('api')

openlp/core/api/http/endpoint.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/api/http/errors.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/api/http/server.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -27,40 +27,33 @@ import logging
 import time
 
 from PyQt5 import QtCore, QtWidgets
-from waitress import serve
+from waitress.server import create_server
 
 from openlp.core.api.deploy import download_and_check, download_sha256
 from openlp.core.api.endpoint.controller import controller_endpoint, api_controller_endpoint
 from openlp.core.api.endpoint.core import chords_endpoint, stage_endpoint, blank_endpoint, main_endpoint
-from openlp.core.api.endpoint.service import service_endpoint, api_service_endpoint
 from openlp.core.api.endpoint.remote import remote_endpoint
-from openlp.core.api.http import register_endpoint
+from openlp.core.api.endpoint.service import service_endpoint, api_service_endpoint
 from openlp.core.api.http import application
+from openlp.core.api.http import register_endpoint
 from openlp.core.api.poll import Poller
 from openlp.core.common.applocation import AppLocation
 from openlp.core.common.i18n import UiStrings
+from openlp.core.common.i18n import translate
 from openlp.core.common.mixins import LogMixin, RegistryProperties
 from openlp.core.common.path import create_paths
 from openlp.core.common.registry import Registry, RegistryBase
 from openlp.core.common.settings import Settings
-from openlp.core.common.i18n import translate
+from openlp.core.threading import ThreadWorker, run_thread
 
 log = logging.getLogger(__name__)
 
 
-class HttpWorker(QtCore.QObject):
+class HttpWorker(ThreadWorker):
     """
     A special Qt thread class to allow the HTTP server to run at the same time as the UI.
     """
-    def __init__(self):
+    def start(self):
-        """
-        Constructor for the thread class.
-
-        :param server: The http server class.
-        """
-        super(HttpWorker, self).__init__()
-
-    def run(self):
         """
         Run the thread.
         """
@@ -68,12 +61,21 @@ class HttpWorker(QtCore.QObject):
         port = Settings().value('api/port')
         Registry().execute('get_website_version')
         try:
-            serve(application, host=address, port=port)
+            self.server = create_server(application, host=address, port=port)
+            self.server.run()
         except OSError:
             log.exception('An error occurred when serving the application.')
+        self.quit.emit()
 
     def stop(self):
-        pass
+        """
+        A method to stop the worker
+        """
+        if hasattr(self, 'server'):
+            # Loop through all the channels and close them to stop the server
+            for channel in self.server._map.values():
+                if hasattr(channel, 'close'):
+                    channel.close()
 
 
 class HttpServer(RegistryBase, RegistryProperties, LogMixin):
@@ -85,12 +87,9 @@ class HttpServer(RegistryBase, RegistryProperties, LogMixin):
         Initialise the http server, and start the http server
         """
         super(HttpServer, self).__init__(parent)
-        if Registry().get_flag('no_web_server'):
+        if not Registry().get_flag('no_web_server'):
-            self.worker = HttpWorker()
+            worker = HttpWorker()
-            self.thread = QtCore.QThread()
+            run_thread(worker, 'http_server')
-            self.worker.moveToThread(self.thread)
-            self.thread.started.connect(self.worker.run)
-            self.thread.start()
             Registry().register_function('download_website', self.first_time)
             Registry().register_function('get_website_version', self.website_version)
         Registry().set_flag('website_version', '0.0')
@@ -167,7 +166,7 @@ class DownloadProgressDialog(QtWidgets.QProgressDialog):
         self.was_cancelled = False
         self.previous_size = 0
 
-    def _download_progress(self, count, block_size):
+    def update_progress(self, count, block_size):
         """
         Calculate and display the download progress.
         """

openlp/core/api/http/wsgiapp.py

@@ -5,7 +5,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -30,9 +30,8 @@ import re
 from webob import Request, Response
 from webob.static import DirectoryApp
 
-from openlp.core.common.applocation import AppLocation
 from openlp.core.api.http.errors import HttpError, NotFound, ServerError
-
+from openlp.core.common.applocation import AppLocation
 
 ARGS_REGEX = re.compile(r'''\{(\w+)(?::([^}]+))?\}''', re.VERBOSE)
 

openlp/core/api/poll.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/api/tab.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/api/websockets.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -24,41 +24,92 @@ The :mod:`http` module contains the API web server. This is a lightweight web se
 with OpenLP. It uses JSON to communicate with the remotes.
 """
 import asyncio
-import websockets
 import json
 import logging
 import time
 
-from PyQt5 import QtCore
+from websockets import serve
 
 from openlp.core.common.mixins import LogMixin, RegistryProperties
 from openlp.core.common.registry import Registry
 from openlp.core.common.settings import Settings
+from openlp.core.threading import ThreadWorker, run_thread
 
 log = logging.getLogger(__name__)
 
 
-class WebSocketWorker(QtCore.QObject):
+async def handle_websocket(request, path):
+    """
+    Handle web socket requests and return the poll information
+
+    Check every 0.2 seconds to get the latest position and send if it changed. This only gets triggered when the first
+    client connects.
+
+    :param request: request from client
+    :param path: determines the endpoints supported
+    """
+    log.debug('WebSocket handler registered with client')
+    previous_poll = None
+    previous_main_poll = None
+    poller = Registry().get('poller')
+    if path == '/state':
+        while True:
+            current_poll = poller.poll()
+            if current_poll != previous_poll:
+                await request.send(json.dumps(current_poll).encode())
+                previous_poll = current_poll
+            await asyncio.sleep(0.2)
+    elif path == '/live_changed':
+        while True:
+            main_poll = poller.main_poll()
+            if main_poll != previous_main_poll:
+                await request.send(main_poll)
+                previous_main_poll = main_poll
+            await asyncio.sleep(0.2)
+
+
+class WebSocketWorker(ThreadWorker, RegistryProperties, LogMixin):
     """
     A special Qt thread class to allow the WebSockets server to run at the same time as the UI.
     """
-    def __init__(self, server):
+    def start(self):
         """
-        Constructor for the thread class.
+        Run the worker.
-
-        :param server: The http server class.
         """
-        self.ws_server = server
+        address = Settings().value('api/ip address')
-        super(WebSocketWorker, self).__init__()
+        port = Settings().value('api/websocket port')
-
+        # Start the event loop
-    def run(self):
+        self.event_loop = asyncio.new_event_loop()
-        """
+        asyncio.set_event_loop(self.event_loop)
-        Run the thread.
+        # Create the websocker server
-        """
+        loop = 1
-        self.ws_server.start_server()
+        self.server = None
+        while not self.server:
+            try:
+                self.server = serve(handle_websocket, address, port)
+                log.debug('WebSocket server started on {addr}:{port}'.format(addr=address, port=port))
+            except Exception:
+                log.exception('Failed to start WebSocket server')
+                loop += 1
+                time.sleep(0.1)
+            if not self.server and loop > 3:
+                log.error('Unable to start WebSocket server {addr}:{port}, giving up'.format(addr=address, port=port))
+        if self.server:
+            # If the websocket server exists, start listening
+            self.event_loop.run_until_complete(self.server)
+            self.event_loop.run_forever()
+        self.quit.emit()
 
     def stop(self):
-        self.ws_server.stop = True
+        """
+        Stop the websocket server
+        """
+        if hasattr(self.server, 'ws_server'):
+            self.server.ws_server.close()
+        elif hasattr(self.server, 'server'):
+            self.server.server.close()
+        self.event_loop.stop()
+        self.event_loop.close()
 
 
 class WebSocketServer(RegistryProperties, LogMixin):
@@ -70,74 +121,6 @@ class WebSocketServer(RegistryProperties, LogMixin):
         Initialise and start the WebSockets server
         """
         super(WebSocketServer, self).__init__()
-        if Registry().get_flag('no_web_server'):
+        if not Registry().get_flag('no_web_server'):
-            self.settings_section = 'api'
+            worker = WebSocketWorker()
-            self.worker = WebSocketWorker(self)
+            run_thread(worker, 'websocket_server')
-            self.thread = QtCore.QThread()
-            self.worker.moveToThread(self.thread)
-            self.thread.started.connect(self.worker.run)
-            self.thread.start()
-
-    def start_server(self):
-        """
-        Start the correct server and save the handler
-        """
-        address = Settings().value(self.settings_section + '/ip address')
-        port = Settings().value(self.settings_section + '/websocket port')
-        self.start_websocket_instance(address, port)
-        # If web socket server start listening
-        if hasattr(self, 'ws_server') and self.ws_server:
-            event_loop = asyncio.new_event_loop()
-            asyncio.set_event_loop(event_loop)
-            event_loop.run_until_complete(self.ws_server)
-            event_loop.run_forever()
-        else:
-            log.debug('Failed to start ws server on port {port}'.format(port=port))
-
-    def start_websocket_instance(self, address, port):
-        """
-        Start the server
-
-        :param address: The server address
-        :param port: The run port
-        """
-        loop = 1
-        while loop < 4:
-            try:
-                self.ws_server = websockets.serve(self.handle_websocket, address, port)
-                log.debug("Web Socket Server started for class {address} {port}".format(address=address, port=port))
-                break
-            except Exception as e:
-                log.error('Failed to start ws server {why}'.format(why=e))
-                loop += 1
-                time.sleep(0.1)
-
-    @staticmethod
-    async def handle_websocket(request, path):
-        """
-        Handle web socket requests and return the poll information.
-        Check ever 0.2 seconds to get the latest position and send if changed.
-        Only gets triggered when 1st client attaches
-
-        :param request: request from client
-        :param path: determines the endpoints supported
-        :return:
-        """
-        log.debug("web socket handler registered with client")
-        previous_poll = None
-        previous_main_poll = None
-        poller = Registry().get('poller')
-        if path == '/state':
-            while True:
-                current_poll = poller.poll()
-                if current_poll != previous_poll:
-                    await request.send(json.dumps(current_poll).encode())
-                    previous_poll = current_poll
-                await asyncio.sleep(0.2)
-        elif path == '/live_changed':
-            while True:
-                main_poll = poller.main_poll()
-                if main_poll != previous_main_poll:
-                    await request.send(main_poll)
-                    previous_main_poll = main_poll
-                await asyncio.sleep(0.2)

openlp/core/app.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -52,7 +52,6 @@ from openlp.core.ui.mainwindow import MainWindow
 from openlp.core.ui.style import get_application_stylesheet
 from openlp.core.version import check_for_update, get_version
 
-
 __all__ = ['OpenLP', 'main']
 
 
@@ -64,8 +63,8 @@ class OpenLP(QtWidgets.QApplication, LogMixin):
     The core application class. This class inherits from Qt's QApplication
     class in order to provide the core of the application.
     """
-
     args = []
+    worker_threads = {}
 
     def exec(self):
         """
@@ -305,8 +304,7 @@ def parse_options(args=None):
                              'off a USB flash drive (not implemented).')
     parser.add_argument('-d', '--dev-version', dest='dev_version', action='store_true',
                         help='Ignore the version file and pull the version directly from Bazaar')
-    parser.add_argument('-s', '--style', dest='style', help='Set the Qt5 style (passed directly to Qt5).')
+    parser.add_argument('-w', '--no-web-server', dest='no_web_server', action='store_true',
-    parser.add_argument('-w', '--no-web-server', dest='no_web_server', action='store_false',
                         help='Turn off the Web and Socket Server ')
     parser.add_argument('rargs', nargs='?', default=[])
     # Parse command line options and deal with them. Use args supplied pragmatically if possible.
@@ -344,8 +342,6 @@ def main(args=None):
         log.setLevel(logging.WARNING)
     else:
         log.setLevel(logging.INFO)
-    if args and args.style:
-        qt_args.extend(['-style', args.style])
     # Throw the rest of the arguments at Qt, just in case.
     qt_args.extend(args.rargs)
     # Bug #1018855: Set the WM_CLASS property in X11
@@ -359,7 +355,7 @@ def main(args=None):
     application.setOrganizationDomain('openlp.org')
     application.setAttribute(QtCore.Qt.AA_UseHighDpiPixmaps, True)
     application.setAttribute(QtCore.Qt.AA_DontCreateNativeWidgetSiblings, True)
-    if args and args.portable:
+    if args.portable:
         application.setApplicationName('OpenLPPortable')
         Settings.setDefaultFormat(Settings.IniFormat)
         # Get location OpenLPPortable.ini

openlp/core/common/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -30,13 +30,13 @@ import os
 import re
 import sys
 import traceback
-from chardet.universaldetector import UniversalDetector
 from ipaddress import IPv4Address, IPv6Address, AddressValueError
 from shutil import which
 from subprocess import check_output, CalledProcessError, STDOUT
 
 from PyQt5 import QtGui
 from PyQt5.QtCore import QCryptographicHash as QHash
+from chardet.universaldetector import UniversalDetector
 
 log = logging.getLogger(__name__ + '.__init__')
 
@@ -80,6 +80,7 @@ def extension_loader(glob_pattern, excluded_files=[]):
         extension_path = extension_path.relative_to(app_dir)
         if extension_path.name in excluded_files:
             continue
+        log.debug('Attempting to import %s', extension_path)
         module_name = path_to_module(extension_path)
         try:
             importlib.import_module(module_name)

openlp/core/common/actions.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -29,7 +29,6 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 
 from openlp.core.common.settings import Settings
 
-
 log = logging.getLogger(__name__)
 
 

openlp/core/common/applocation.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -157,7 +157,7 @@ def _get_os_dir_path(dir_type):
                 return directory
             return Path('/usr', 'share', 'openlp')
         if XDG_BASE_AVAILABLE:
-            if dir_type == AppLocation.DataDir or dir_type == AppLocation.CacheDir:
+            if dir_type == AppLocation.DataDir:
                 return Path(BaseDirectory.xdg_data_home, 'openlp')
             elif dir_type == AppLocation.CacheDir:
                 return Path(BaseDirectory.xdg_cache_home, 'openlp')

openlp/core/common/db.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -27,7 +27,6 @@ from copy import deepcopy
 
 import sqlalchemy
 
-
 log = logging.getLogger(__name__)
 
 

openlp/core/common/httputils.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -20,7 +20,7 @@
 # Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
 ###############################################################################
 """
-The :mod:`openlp.core.utils` module provides the utility libraries for OpenLP.
+The :mod:`openlp.core.common.httputils` module provides the utility methods for downloading stuff.
 """
 import hashlib
 import logging
@@ -104,7 +104,7 @@ def get_web_page(url, headers=None, update_openlp=False, proxies=None):
             if retries >= CONNECTION_RETRIES:
                 raise ConnectionError('Unable to connect to {url}, see log for details'.format(url=url))
             retries += 1
-        except:
+        except:                                                                # noqa
             # Don't know what's happening, so reraise the original
             log.exception('Unknown error when trying to connect to {url}'.format(url=url))
             raise
@@ -136,12 +136,12 @@ def get_url_file_size(url):
                 continue
 
 
-def url_get_file(callback, url, file_path, sha256=None):
+def download_file(update_object, url, file_path, sha256=None):
     """"
     Download a file given a URL.  The file is retrieved in chunks, giving the ability to cancel the download at any
     point. Returns False on download error.
 
-    :param callback: the class which needs to be updated
+    :param update_object: the object which needs to be updated
     :param url: URL to download
     :param file_path: Destination file
     :param sha256: The check sum value to be checked against the download value
@@ -158,13 +158,14 @@ def url_get_file(callback, url, file_path, sha256=None):
                     hasher = hashlib.sha256()
                 # Download until finished or canceled.
                 for chunk in response.iter_content(chunk_size=block_size):
-                    if callback.was_cancelled:
+                    if hasattr(update_object, 'was_cancelled') and update_object.was_cancelled:
                         break
                     saved_file.write(chunk)
                     if sha256:
                         hasher.update(chunk)
                     block_count += 1
-                    callback._download_progress(block_count, block_size)
+                    if hasattr(update_object, 'update_progress'):
+                        update_object.update_progress(block_count, block_size)
                 response.close()
             if sha256 and hasher.hexdigest() != sha256:
                 log.error('sha256 sums did not match for file %s, got %s, expected %s', file_path, hasher.hexdigest(),
@@ -183,7 +184,7 @@ def url_get_file(callback, url, file_path, sha256=None):
                 retries += 1
                 time.sleep(0.1)
                 continue
-    if callback.was_cancelled and file_path.exists():
+    if hasattr(update_object, 'was_cancelled') and update_object.was_cancelled and file_path.exists():
         file_path.unlink()
     return True
 

openlp/core/common/i18n.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/common/json.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/common/mixins.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -22,8 +22,8 @@
 """
 Provide Error Handling and login Services
 """
-import logging
 import inspect
+import logging
 
 from openlp.core.common import is_win, trace_error_handler
 from openlp.core.common.registry import Registry

openlp/core/common/path.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -26,9 +26,9 @@ from contextlib import suppress
 from openlp.core.common import is_win
 
 if is_win():
-    from pathlib import WindowsPath as PathVariant
+    from pathlib import WindowsPath as PathVariant          # pragma: nocover
 else:
-    from pathlib import PosixPath as PathVariant
+    from pathlib import PosixPath as PathVariant            # pragma: nocover
 
 log = logging.getLogger(__name__)
 

openlp/core/common/registry.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/common/settings.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -23,8 +23,8 @@
 This class contains the core default settings.
 """
 import datetime
-import logging
 import json
+import logging
 import os
 from tempfile import gettempdir
 

openlp/core/display/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/display/screens.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -23,13 +23,14 @@
 The :mod:`screen` module provides management functionality for a machines'
 displays.
 """
+import copy
 import logging
 
 from PyQt5 import QtCore
 
+from openlp.core.common.i18n import translate
 from openlp.core.common.registry import Registry
 from openlp.core.common.settings import Settings
-from openlp.core.common.i18n import translate
 
 log = logging.getLogger(__name__)
 

openlp/core/lib/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -24,7 +24,7 @@ The :mod:`lib` module contains most of the components and libraries that make
 OpenLP work.
 """
 import logging
-import os
+import re
 
 from PyQt5 import QtCore, QtGui, QtWidgets
 

openlp/core/lib/db.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/lib/exceptions.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/lib/formattingtags.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -24,8 +24,8 @@ Provide HTML Tag management and Formatting Tag access class
 """
 import json
 
-from openlp.core.common.settings import Settings
 from openlp.core.common.i18n import translate
+from openlp.core.common.settings import Settings
 
 
 class FormattingTags(object):

openlp/core/lib/htmlbuilder.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -407,7 +407,6 @@ is the function which has to be called from outside. The generated and returned
         </html>
 """
 import logging
-
 from string import Template
 from PyQt5 import QtWebEngine
 

openlp/core/lib/imagemanager.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -26,8 +26,8 @@ wait for the conversion to happen.
 """
 import logging
 import os
-import time
 import queue
+import time
 
 from PyQt5 import QtCore
 
@@ -35,13 +35,14 @@ from openlp.core.common.registry import Registry
 from openlp.core.common.settings import Settings
 from openlp.core.display.screens import ScreenList
 from openlp.core.lib import resize_image, image_to_byte
+from openlp.core.threading import ThreadWorker, run_thread
 
 log = logging.getLogger(__name__)
 
 
-class ImageThread(QtCore.QThread):
+class ImageWorker(ThreadWorker):
     """
-    A special Qt thread class to speed up the display of images. This is threaded so it loads the frames and generates
+    A thread worker class to speed up the display of images. This is threaded so it loads the frames and generates
     byte stream in background.
     """
     def __init__(self, manager):
@@ -51,14 +52,21 @@ class ImageThread(QtCore.QThread):
         ``manager``
             The image manager.
         """
-        super(ImageThread, self).__init__(None)
+        super().__init__()
         self.image_manager = manager
 
-    def run(self):
+    def start(self):
         """
-        Run the thread.
+        Start the worker
         """
         self.image_manager.process()
+        self.quit.emit()
+
+    def stop(self):
+        """
+        Stop the worker
+        """
+        self.image_manager.stop_manager = True
 
 
 class Priority(object):
@@ -130,7 +138,7 @@ class Image(object):
 
 class PriorityQueue(queue.PriorityQueue):
     """
-    Customised ``Queue.PriorityQueue``.
+    Customised ``queue.PriorityQueue``.
 
     Each item in the queue must be a tuple with three values. The first value is the :class:`Image`'s ``priority``
     attribute, the second value the :class:`Image`'s ``secondary_priority`` attribute. The last value the :class:`Image`
@@ -179,7 +187,6 @@ class ImageManager(QtCore.QObject):
         self.width = current_screen.display_geometry.width()
         self.height = current_screen.display_geometry.height()
         self._cache = {}
-        self.image_thread = ImageThread(self)
         self._conversion_queue = PriorityQueue()
         self.stop_manager = False
         Registry().register_function('images_regenerate', self.process_updates)
@@ -230,9 +237,13 @@ class ImageManager(QtCore.QObject):
         """
         Flush the queue to updated any data to update
         """
-        # We want only one thread.
+        try:
-        if not self.image_thread.isRunning():
+            worker = ImageWorker(self)
-            self.image_thread.start()
+            run_thread(worker, 'image_manager')
+        except KeyError:
+            # run_thread() will throw a KeyError if this thread already exists, so ignore it so that we don't
+            # try to start another thread when one is already running
+            pass
 
     def get_image(self, path, source, width=-1, height=-1):
         """
@@ -305,9 +316,7 @@ class ImageManager(QtCore.QObject):
                 if image.path == path and image.timestamp != os.stat(path).st_mtime:
                     image.timestamp = os.stat(path).st_mtime
                     self._reset_image(image)
-        # We want only one thread.
+        self.process_updates()
-        if not self.image_thread.isRunning():
-            self.image_thread.start()
 
     def process(self):
         """

openlp/core/lib/json/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/lib/mediamanageritem.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -23,14 +23,13 @@
 Provides the generic functions for interfacing plugins with the Media Manager.
 """
 import logging
-import os
 import re
 
 from PyQt5 import QtCore, QtWidgets
 
 from openlp.core.common.i18n import UiStrings, translate
-from openlp.core.common.path import Path, path_to_str, str_to_path
 from openlp.core.common.mixins import RegistryProperties
+from openlp.core.common.path import path_to_str, str_to_path
 from openlp.core.common.registry import Registry
 from openlp.core.common.settings import Settings
 from openlp.core.lib import ServiceItem, StringContent, ServiceItemContext
@@ -332,8 +331,7 @@ class MediaManagerItem(QtWidgets.QWidget, RegistryProperties):
         """
         new_file_paths = []
         error_shown = False
-        for file_name in data['files']:
+        for file_path in data['file_paths']:
-            file_path = str_to_path(file_name)
             if file_path.suffix[1:].lower() not in self.on_new_file_masks:
                 if not error_shown:
                     critical_error_message_box(

openlp/core/lib/plugin.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/lib/pluginmanager.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -71,7 +71,7 @@ class PluginManager(RegistryBase, LogMixin, RegistryProperties):
         """
         Scan a directory for objects inheriting from the ``Plugin`` class.
         """
-        glob_pattern = os.path.join('plugins', '*', '*plugin.py')
+        glob_pattern = os.path.join('plugins', '*', '[!.]*plugin.py')
         extension_loader(glob_pattern)
         plugin_classes = Plugin.__subclasses__()
         plugin_objects = []

openlp/core/lib/serviceitem.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -26,9 +26,9 @@ type and capability of an item.
 import datetime
 import html
 import logging
+import ntpath
 import os
 import uuid
-import ntpath
 
 from PyQt5 import QtGui
 

openlp/core/lib/settingstab.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/lib/theme.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/lib/ui.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -32,7 +32,6 @@ from openlp.core.common.i18n import UiStrings, translate
 from openlp.core.common.registry import Registry
 from openlp.core.lib import build_icon
 
-
 log = logging.getLogger(__name__)
 
 

openlp/core/projectors/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/projectors/constants.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -32,9 +32,128 @@ log.debug('projector_constants loaded')
 # Set common constants.
 CR = chr(0x0D)  # \r
 LF = chr(0x0A)  # \n
-PJLINK_PORT = 4352
+PJLINK_CLASS = '1'  # Default to class 1 until we query the projector
-TIMEOUT = 30.0
 PJLINK_MAX_PACKET = 136
+PJLINK_PREFIX = '%'
+PJLINK_PORT = 4352
+PJLINK_SUFFIX = CR
+PJLINK_TIMEOUT = 30.0
+
+# Error and status codes
+S_OK = E_OK = 0  # E_OK included since I sometimes forget
+
+# Error codes. Start at 200 so we don't duplicate system error codes.
+E_GENERAL = 200  # Unknown error
+E_NOT_CONNECTED = 201
+E_UNDEFINED = 202           # PJLink ERR1
+E_PARAMETER = 203           # PJLink ERR2
+E_UNAVAILABLE = 204         # PJLink ERR3
+E_PROJECTOR = 205           # PJLink ERR4
+E_AUTHENTICATION = 206      # PJLink ERRA
+E_NO_AUTHENTICATION = 207   # PJLink authentication mismatch between projector and program
+E_PREFIX = 208              # PJLink invalid prefix for packet
+E_CLASS = 209               # PJLink class version mismatch
+E_INVALID_DATA = 210
+E_WARN = 211
+E_ERROR = 212
+E_FAN = 213
+E_LAMP = 214
+E_TEMP = 215
+E_COVER = 216
+E_FILTER = 217
+E_UNKNOWN = 218
+
+# Remap Qt socket error codes to local error codes
+E_CONNECTION_REFUSED = 230
+E_REMOTE_HOST_CLOSED_CONNECTION = 231
+E_HOST_NOT_FOUND = 232
+E_SOCKET_ACCESS = 233
+E_SOCKET_RESOURCE = 234
+E_SOCKET_TIMEOUT = 235
+E_DATAGRAM_TOO_LARGE = 236
+E_NETWORK = 237
+E_ADDRESS_IN_USE = 238
+E_SOCKET_ADDRESS_NOT_AVAILABLE = 239
+E_UNSUPPORTED_SOCKET_OPERATION = 240
+E_PROXY_AUTHENTICATION_REQUIRED = 241
+E_SLS_HANDSHAKE_FAILED = 242
+E_UNFINISHED_SOCKET_OPERATION = 243
+E_PROXY_CONNECTION_REFUSED = 244
+E_PROXY_CONNECTION_CLOSED = 245
+E_PROXY_CONNECTION_TIMEOUT = 246
+E_PROXY_NOT_FOUND = 247
+E_PROXY_PROTOCOL = 248
+E_UNKNOWN_SOCKET_ERROR = 249
+
+# Status codes start at 300
+
+# Remap Qt socket states to local status codes
+S_NOT_CONNECTED = 300
+S_HOST_LOOKUP = 301
+S_CONNECTING = 302
+S_CONNECTED = 303
+S_BOUND = 304
+S_LISTENING = 305  # Listed as internal use only in QAbstractSocket
+S_CLOSING = 306
+
+# Projector states
+S_INITIALIZE = 310
+S_STATUS = 311
+S_OFF = 312
+S_STANDBY = 313
+S_WARMUP = 314
+S_ON = 315
+S_COOLDOWN = 316
+S_INFO = 317
+
+# Information that does not affect status
+S_NETWORK_IDLE = 400
+S_NETWORK_SENDING = 401
+S_NETWORK_RECEIVING = 402
+
+# Map PJlink errors to local status
+PJLINK_ERRORS = {
+    'ERRA': E_AUTHENTICATION,   # Authentication error
+    'ERR1': E_UNDEFINED,        # Undefined command error
+    'ERR2': E_PARAMETER,        # Invalid parameter error
+    'ERR3': E_UNAVAILABLE,      # Projector busy
+    'ERR4': E_PROJECTOR,        # Projector or display failure
+    E_AUTHENTICATION: 'ERRA',
+    E_UNDEFINED: 'ERR1',
+    E_PARAMETER: 'ERR2',
+    E_UNAVAILABLE: 'ERR3',
+    E_PROJECTOR: 'ERR4'
+}
+
+# Map QAbstractSocketState enums to local status
+QSOCKET_STATE = {
+    0: S_NOT_CONNECTED,     # 'UnconnectedState',
+    1: S_HOST_LOOKUP,       # 'HostLookupState',
+    2: S_CONNECTING,        # 'ConnectingState',
+    3: S_CONNECTED,         # 'ConnectedState',
+    4: S_BOUND,             # 'BoundState',
+    5: S_LISTENING,         # 'ListeningState' -  Noted as "Internal Use Only" on Qt website
+    6: S_CLOSING,           # 'ClosingState',
+    S_NOT_CONNECTED: 0,
+    S_HOST_LOOKUP: 1,
+    S_CONNECTING: 2,
+    S_CONNECTED: 3,
+    S_BOUND: 4,
+    S_LISTENING: 5,
+    S_CLOSING: 6
+}
+
+PROJECTOR_STATE = [
+    S_INITIALIZE,
+    S_STATUS,
+    S_OFF,
+    S_STANDBY,
+    S_WARMUP,
+    S_ON,
+    S_COOLDOWN,
+    S_INFO
+]
+
 # NOTE: Changed format to account for some commands are both class 1 and 2
 PJLINK_VALID_CMD = {
     'ACKN': {'version': ['2', ],
@@ -144,227 +263,140 @@ PJLINK_VALID_CMD = {
              }
 }
 
-# QAbstractSocketState enums converted to string
+CONNECTION_ERRORS = [
-S_QSOCKET_STATE = {
+    E_ADDRESS_IN_USE,
-    0: 'QSocketState - UnconnectedState',
+    E_CONNECTION_REFUSED,
-    1: 'QSocketState - HostLookupState',
+    E_DATAGRAM_TOO_LARGE,
-    2: 'QSocketState - ConnectingState',
+    E_HOST_NOT_FOUND,
-    3: 'QSocketState - ConnectedState',
+    E_NETWORK,
-    4: 'QSocketState - BoundState',
+    E_NOT_CONNECTED,
-    5: 'QSocketState - ListeningState (internal use only)',
+    E_PROXY_AUTHENTICATION_REQUIRED,
-    6: 'QSocketState - ClosingState',
+    E_PROXY_CONNECTION_CLOSED,
-    'UnconnectedState': 0,
+    E_PROXY_CONNECTION_REFUSED,
-    'HostLookupState': 1,
+    E_PROXY_CONNECTION_TIMEOUT,
-    'ConnectingState': 2,
+    E_PROXY_NOT_FOUND,
-    'ConnectedState': 3,
+    E_PROXY_PROTOCOL,
-    'BoundState': 4,
+    E_REMOTE_HOST_CLOSED_CONNECTION,
-    'ListeningState': 5,
+    E_SLS_HANDSHAKE_FAILED,
-    'ClosingState': 6
+    E_SOCKET_ACCESS,
-}
+    E_SOCKET_ADDRESS_NOT_AVAILABLE,
+    E_SOCKET_RESOURCE,
+    E_SOCKET_TIMEOUT,
+    E_UNFINISHED_SOCKET_OPERATION,
+    E_UNKNOWN_SOCKET_ERROR,
+    E_UNSUPPORTED_SOCKET_OPERATION
+]
 
-# Error and status codes
+PROJECTOR_ERRORS = [
-S_OK = E_OK = 0  # E_OK included since I sometimes forget
+    E_AUTHENTICATION,
-# Error codes. Start at 200 so we don't duplicate system error codes.
+    E_CLASS,
-E_GENERAL = 200  # Unknown error
+    E_INVALID_DATA,
-E_NOT_CONNECTED = 201
+    E_NO_AUTHENTICATION,
-E_FAN = 202
+    E_PARAMETER,
-E_LAMP = 203
+    E_PREFIX,
-E_TEMP = 204
+    E_PROJECTOR,
-E_COVER = 205
+    E_UNAVAILABLE,
-E_FILTER = 206
+    E_UNDEFINED,
-E_NO_AUTHENTICATION = 207  # PIN set and no authentication set on projector
+    E_UNKNOWN
-E_UNDEFINED = 208       # ERR1
+]
-E_PARAMETER = 209       # ERR2
-E_UNAVAILABLE = 210     # ERR3
-E_PROJECTOR = 211       # ERR4
-E_INVALID_DATA = 212
-E_WARN = 213
-E_ERROR = 214
-E_AUTHENTICATION = 215  # ERRA
-E_CLASS = 216
-E_PREFIX = 217
 
-# Remap Qt socket error codes to projector error codes
+# Show status code as string
-E_CONNECTION_REFUSED = 230
+STATUS_CODE = {
-E_REMOTE_HOST_CLOSED_CONNECTION = 231
-E_HOST_NOT_FOUND = 232
-E_SOCKET_ACCESS = 233
-E_SOCKET_RESOURCE = 234
-E_SOCKET_TIMEOUT = 235
-E_DATAGRAM_TOO_LARGE = 236
-E_NETWORK = 237
-E_ADDRESS_IN_USE = 238
-E_SOCKET_ADDRESS_NOT_AVAILABLE = 239
-E_UNSUPPORTED_SOCKET_OPERATION = 240
-E_PROXY_AUTHENTICATION_REQUIRED = 241
-E_SLS_HANDSHAKE_FAILED = 242
-E_UNFINISHED_SOCKET_OPERATION = 243
-E_PROXY_CONNECTION_REFUSED = 244
-E_PROXY_CONNECTION_CLOSED = 245
-E_PROXY_CONNECTION_TIMEOUT = 246
-E_PROXY_NOT_FOUND = 247
-E_PROXY_PROTOCOL = 248
-E_UNKNOWN_SOCKET_ERROR = -1
-
-# Status codes start at 300
-S_NOT_CONNECTED = 300
-S_CONNECTING = 301
-S_CONNECTED = 302
-S_INITIALIZE = 303
-S_STATUS = 304
-S_OFF = 305
-S_STANDBY = 306
-S_WARMUP = 307
-S_ON = 308
-S_COOLDOWN = 309
-S_INFO = 310
-
-# Information that does not affect status
-S_NETWORK_SENDING = 400
-S_NETWORK_RECEIVED = 401
-
-CONNECTION_ERRORS = {
-    E_NOT_CONNECTED, E_NO_AUTHENTICATION, E_AUTHENTICATION, E_CLASS,
-    E_PREFIX, E_CONNECTION_REFUSED, E_REMOTE_HOST_CLOSED_CONNECTION,
-    E_HOST_NOT_FOUND, E_SOCKET_ACCESS, E_SOCKET_RESOURCE, E_SOCKET_TIMEOUT,
-    E_DATAGRAM_TOO_LARGE, E_NETWORK, E_ADDRESS_IN_USE, E_SOCKET_ADDRESS_NOT_AVAILABLE,
-    E_UNSUPPORTED_SOCKET_OPERATION, E_PROXY_AUTHENTICATION_REQUIRED,
-    E_SLS_HANDSHAKE_FAILED, E_UNFINISHED_SOCKET_OPERATION, E_PROXY_CONNECTION_REFUSED,
-    E_PROXY_CONNECTION_CLOSED, E_PROXY_CONNECTION_TIMEOUT, E_PROXY_NOT_FOUND,
-    E_PROXY_PROTOCOL, E_UNKNOWN_SOCKET_ERROR
-}
-
-PJLINK_ERRORS = {
-    'ERRA': E_AUTHENTICATION,   # Authentication error
-    'ERR1': E_UNDEFINED,        # Undefined command error
-    'ERR2': E_PARAMETER,        # Invalid parameter error
-    'ERR3': E_UNAVAILABLE,      # Projector busy
-    'ERR4': E_PROJECTOR,        # Projector or display failure
-    E_AUTHENTICATION: 'ERRA',
-    E_UNDEFINED: 'ERR1',
-    E_PARAMETER: 'ERR2',
-    E_UNAVAILABLE: 'ERR3',
-    E_PROJECTOR: 'ERR4'
-}
-
-# Map error/status codes to string
-ERROR_STRING = {
-    0: 'S_OK',
-    E_GENERAL: 'E_GENERAL',
-    E_NOT_CONNECTED: 'E_NOT_CONNECTED',
-    E_FAN: 'E_FAN',
-    E_LAMP: 'E_LAMP',
-    E_TEMP: 'E_TEMP',
-    E_COVER: 'E_COVER',
-    E_FILTER: 'E_FILTER',
-    E_AUTHENTICATION: 'E_AUTHENTICATION',
-    E_NO_AUTHENTICATION: 'E_NO_AUTHENTICATION',
-    E_UNDEFINED: 'E_UNDEFINED',
-    E_PARAMETER: 'E_PARAMETER',
-    E_UNAVAILABLE: 'E_UNAVAILABLE',
-    E_PROJECTOR: 'E_PROJECTOR',
-    E_INVALID_DATA: 'E_INVALID_DATA',
-    E_WARN: 'E_WARN',
-    E_ERROR: 'E_ERROR',
-    E_CLASS: 'E_CLASS',
-    E_PREFIX: 'E_PREFIX',  # Last projector error
-    E_CONNECTION_REFUSED: 'E_CONNECTION_REFUSED',  # First QtSocket error
-    E_REMOTE_HOST_CLOSED_CONNECTION: 'E_REMOTE_HOST_CLOSED_CONNECTION',
-    E_HOST_NOT_FOUND: 'E_HOST_NOT_FOUND',
-    E_SOCKET_ACCESS: 'E_SOCKET_ACCESS',
-    E_SOCKET_RESOURCE: 'E_SOCKET_RESOURCE',
-    E_SOCKET_TIMEOUT: 'E_SOCKET_TIMEOUT',
-    E_DATAGRAM_TOO_LARGE: 'E_DATAGRAM_TOO_LARGE',
-    E_NETWORK: 'E_NETWORK',
     E_ADDRESS_IN_USE: 'E_ADDRESS_IN_USE',
-    E_SOCKET_ADDRESS_NOT_AVAILABLE: 'E_SOCKET_ADDRESS_NOT_AVAILABLE',
+    E_AUTHENTICATION: 'E_AUTHENTICATION',
-    E_UNSUPPORTED_SOCKET_OPERATION: 'E_UNSUPPORTED_SOCKET_OPERATION',
+    E_CLASS: 'E_CLASS',
+    E_CONNECTION_REFUSED: 'E_CONNECTION_REFUSED',
+    E_COVER: 'E_COVER',
+    E_DATAGRAM_TOO_LARGE: 'E_DATAGRAM_TOO_LARGE',
+    E_ERROR: 'E_ERROR',
+    E_FAN: 'E_FAN',
+    E_FILTER: 'E_FILTER',
+    E_GENERAL: 'E_GENERAL',
+    E_HOST_NOT_FOUND: 'E_HOST_NOT_FOUND',
+    E_INVALID_DATA: 'E_INVALID_DATA',
+    E_LAMP: 'E_LAMP',
+    E_NETWORK: 'E_NETWORK',
+    E_NO_AUTHENTICATION: 'E_NO_AUTHENTICATION',
+    E_NOT_CONNECTED: 'E_NOT_CONNECTED',
+    E_PARAMETER: 'E_PARAMETER',
+    E_PREFIX: 'E_PREFIX',
+    E_PROJECTOR: 'E_PROJECTOR',
     E_PROXY_AUTHENTICATION_REQUIRED: 'E_PROXY_AUTHENTICATION_REQUIRED',
-    E_SLS_HANDSHAKE_FAILED: 'E_SLS_HANDSHAKE_FAILED',
-    E_UNFINISHED_SOCKET_OPERATION: 'E_UNFINISHED_SOCKET_OPERATION',
-    E_PROXY_CONNECTION_REFUSED: 'E_PROXY_CONNECTION_REFUSED',
     E_PROXY_CONNECTION_CLOSED: 'E_PROXY_CONNECTION_CLOSED',
+    E_PROXY_CONNECTION_REFUSED: 'E_PROXY_CONNECTION_REFUSED',
     E_PROXY_CONNECTION_TIMEOUT: 'E_PROXY_CONNECTION_TIMEOUT',
     E_PROXY_NOT_FOUND: 'E_PROXY_NOT_FOUND',
     E_PROXY_PROTOCOL: 'E_PROXY_PROTOCOL',
-    E_UNKNOWN_SOCKET_ERROR: 'E_UNKNOWN_SOCKET_ERROR'
+    E_REMOTE_HOST_CLOSED_CONNECTION: 'E_REMOTE_HOST_CLOSED_CONNECTION',
-}
+    E_SLS_HANDSHAKE_FAILED: 'E_SLS_HANDSHAKE_FAILED',
-
+    E_SOCKET_ACCESS: 'E_SOCKET_ACCESS',
-STATUS_STRING = {
+    E_SOCKET_ADDRESS_NOT_AVAILABLE: 'E_SOCKET_ADDRESS_NOT_AVAILABLE',
-    S_NOT_CONNECTED: 'S_NOT_CONNECTED',
+    E_SOCKET_RESOURCE: 'E_SOCKET_RESOURCE',
-    S_CONNECTING: 'S_CONNECTING',
+    E_SOCKET_TIMEOUT: 'E_SOCKET_TIMEOUT',
-    S_CONNECTED: 'S_CONNECTED',
+    E_TEMP: 'E_TEMP',
-    S_STATUS: 'S_STATUS',
+    E_UNAVAILABLE: 'E_UNAVAILABLE',
-    S_OFF: 'S_OFF',
+    E_UNDEFINED: 'E_UNDEFINED',
-    S_INITIALIZE: 'S_INITIALIZE',
+    E_UNFINISHED_SOCKET_OPERATION: 'E_UNFINISHED_SOCKET_OPERATION',
-    S_STANDBY: 'S_STANDBY',
+    E_UNKNOWN: 'E_UNKNOWN',
-    S_WARMUP: 'S_WARMUP',
+    E_UNKNOWN_SOCKET_ERROR: 'E_UNKNOWN_SOCKET_ERROR',
-    S_ON: 'S_ON',
+    E_UNSUPPORTED_SOCKET_OPERATION: 'E_UNSUPPORTED_SOCKET_OPERATION',
+    E_WARN: 'E_WARN',
+    S_BOUND: 'S_BOUND',
     S_COOLDOWN: 'S_COOLDOWN',
+    S_CLOSING: 'S_CLOSING',
+    S_CONNECTED: 'S_CONNECTED',
+    S_CONNECTING: 'S_CONNECTING',
+    S_HOST_LOOKUP: 'S_HOST_LOOKUP',
     S_INFO: 'S_INFO',
+    S_INITIALIZE: 'S_INITIALIZE',
+    S_LISTENING: 'S_LISTENING',
+    S_NETWORK_RECEIVING: 'S_NETWORK_RECEIVING',
     S_NETWORK_SENDING: 'S_NETWORK_SENDING',
-    S_NETWORK_RECEIVED: 'S_NETWORK_RECEIVED'
+    S_NETWORK_IDLE: 'S_NETWORK_IDLE',
+    S_NOT_CONNECTED: 'S_NOT_CONNECTED',
+    S_OFF: 'S_OFF',
+    S_OK: 'S_OK',  # S_OK or E_OK
+    S_ON: 'S_ON',
+    S_STANDBY: 'S_STANDBY',
+    S_STATUS: 'S_STATUS',
+    S_WARMUP: 'S_WARMUP',
 }
 
-# Map error/status codes to message strings
+# Map status codes to message strings
-ERROR_MSG = {
+STATUS_MSG = {
-    E_OK: translate('OpenLP.ProjectorConstants', 'OK'),  # E_OK | S_OK
-    E_GENERAL: translate('OpenLP.ProjectorConstants', 'General projector error'),
-    E_NOT_CONNECTED: translate('OpenLP.ProjectorConstants', 'Not connected error'),
-    E_LAMP: translate('OpenLP.ProjectorConstants', 'Lamp error'),
-    E_FAN: translate('OpenLP.ProjectorConstants', 'Fan error'),
-    E_TEMP: translate('OpenLP.ProjectorConstants', 'High temperature detected'),
-    E_COVER: translate('OpenLP.ProjectorConstants', 'Cover open detected'),
-    E_FILTER: translate('OpenLP.ProjectorConstants', 'Check filter'),
-    E_AUTHENTICATION: translate('OpenLP.ProjectorConstants', 'Authentication Error'),
-    E_UNDEFINED: translate('OpenLP.ProjectorConstants', 'Undefined Command'),
-    E_PARAMETER: translate('OpenLP.ProjectorConstants', 'Invalid Parameter'),
-    E_UNAVAILABLE: translate('OpenLP.ProjectorConstants', 'Projector Busy'),
-    E_PROJECTOR: translate('OpenLP.ProjectorConstants', 'Projector/Display Error'),
-    E_INVALID_DATA: translate('OpenLP.ProjectorConstants', 'Invalid packet received'),
-    E_WARN: translate('OpenLP.ProjectorConstants', 'Warning condition detected'),
-    E_ERROR: translate('OpenLP.ProjectorConstants', 'Error condition detected'),
-    E_CLASS: translate('OpenLP.ProjectorConstants', 'PJLink class not supported'),
-    E_PREFIX: translate('OpenLP.ProjectorConstants', 'Invalid prefix character'),
-    E_CONNECTION_REFUSED: translate('OpenLP.ProjectorConstants',
-                                    'The connection was refused by the peer (or timed out)'),
-    E_REMOTE_HOST_CLOSED_CONNECTION: translate('OpenLP.ProjectorConstants',
-                                               'The remote host closed the connection'),
-    E_HOST_NOT_FOUND: translate('OpenLP.ProjectorConstants', 'The host address was not found'),
-    E_SOCKET_ACCESS: translate('OpenLP.ProjectorConstants',
-                               'The socket operation failed because the application '
-                               'lacked the required privileges'),
-    E_SOCKET_RESOURCE: translate('OpenLP.ProjectorConstants',
-                                 'The local system ran out of resources (e.g., too many sockets)'),
-    E_SOCKET_TIMEOUT: translate('OpenLP.ProjectorConstants',
-                                'The socket operation timed out'),
-    E_DATAGRAM_TOO_LARGE: translate('OpenLP.ProjectorConstants',
-                                    'The datagram was larger than the operating system\'s limit'),
-    E_NETWORK: translate('OpenLP.ProjectorConstants',
-                         'An error occurred with the network (Possibly someone pulled the plug?)'),
     E_ADDRESS_IN_USE: translate('OpenLP.ProjectorConstants',
                                 'The address specified with socket.bind() '
                                 'is already in use and was set to be exclusive'),
-    E_SOCKET_ADDRESS_NOT_AVAILABLE: translate('OpenLP.ProjectorConstants',
+    E_AUTHENTICATION: translate('OpenLP.ProjectorConstants', 'PJLink returned "ERRA: Authentication Error"'),
-                                              'The address specified to socket.bind() '
+    E_CONNECTION_REFUSED: translate('OpenLP.ProjectorConstants',
-                                              'does not belong to the host'),
+                                    'The connection was refused by the peer (or timed out)'),
-    E_UNSUPPORTED_SOCKET_OPERATION: translate('OpenLP.ProjectorConstants',
+    E_COVER: translate('OpenLP.ProjectorConstants', 'Projector cover open detected'),
-                                              'The requested socket operation is not supported by the local '
+    E_CLASS: translate('OpenLP.ProjectorConstants', 'PJLink class not supported'),
-                                              'operating system (e.g., lack of IPv6 support)'),
+    E_DATAGRAM_TOO_LARGE: translate('OpenLP.ProjectorConstants',
+                                    "The datagram was larger than the operating system's limit"),
+    E_ERROR: translate('OpenLP.ProjectorConstants', 'Error condition detected'),
+    E_FAN: translate('OpenLP.ProjectorConstants', 'Projector fan error'),
+    E_FILTER: translate('OpenLP.ProjectorConstants', 'Projector check filter'),
+    E_GENERAL: translate('OpenLP.ProjectorConstants', 'General projector error'),
+    E_HOST_NOT_FOUND: translate('OpenLP.ProjectorConstants', 'The host address was not found'),
+    E_INVALID_DATA: translate('OpenLP.ProjectorConstants', 'PJLink invalid packet received'),
+    E_LAMP: translate('OpenLP.ProjectorConstants', 'Projector lamp error'),
+    E_NETWORK: translate('OpenLP.ProjectorConstants',
+                         'An error occurred with the network (Possibly someone pulled the plug?)'),
+    E_NO_AUTHENTICATION: translate('OpenLP.ProjectorConstants', 'PJlink authentication Mismatch Error'),
+    E_NOT_CONNECTED: translate('OpenLP.ProjectorConstants', 'Projector not connected error'),
+    E_PARAMETER: translate('OpenLP.ProjectorConstants', 'PJLink returned "ERR2: Invalid Parameter"'),
+    E_PREFIX: translate('OpenLP.ProjectorConstants', 'PJLink Invalid prefix character'),
+    E_PROJECTOR: translate('OpenLP.ProjectorConstants', 'PJLink returned "ERR4: Projector/Display Error"'),
     E_PROXY_AUTHENTICATION_REQUIRED: translate('OpenLP.ProjectorConstants',
                                                'The socket is using a proxy, '
                                                'and the proxy requires authentication'),
-    E_SLS_HANDSHAKE_FAILED: translate('OpenLP.ProjectorConstants',
-                                      'The SSL/TLS handshake failed'),
-    E_UNFINISHED_SOCKET_OPERATION: translate('OpenLP.ProjectorConstants',
-                                             'The last operation attempted has not finished yet '
-                                             '(still in progress in the background)'),
-    E_PROXY_CONNECTION_REFUSED: translate('OpenLP.ProjectorConstants',
-                                          'Could not contact the proxy server because the connection '
-                                          'to that server was denied'),
     E_PROXY_CONNECTION_CLOSED: translate('OpenLP.ProjectorConstants',
                                          'The connection to the proxy server was closed unexpectedly '
                                          '(before the connection to the final peer was established)'),
+    E_PROXY_CONNECTION_REFUSED: translate('OpenLP.ProjectorConstants',
+                                          'Could not contact the proxy server because the connection '
+                                          'to that server was denied'),
     E_PROXY_CONNECTION_TIMEOUT: translate('OpenLP.ProjectorConstants',
                                           'The connection to the proxy server timed out or the proxy '
                                           'server stopped responding in the authentication phase.'),
@@ -373,51 +405,91 @@ ERROR_MSG = {
     E_PROXY_PROTOCOL: translate('OpenLP.ProjectorConstants',
                                 'The connection negotiation with the proxy server failed because the '
                                 'response from the proxy server could not be understood'),
-    E_UNKNOWN_SOCKET_ERROR: translate('OpenLP.ProjectorConstants', 'An unidentified error occurred'),
+    E_REMOTE_HOST_CLOSED_CONNECTION: translate('OpenLP.ProjectorConstants',
-    S_NOT_CONNECTED: translate('OpenLP.ProjectorConstants', 'Not connected'),
+                                               'The remote host closed the connection'),
-    S_CONNECTING: translate('OpenLP.ProjectorConstants', 'Connecting'),
+    E_SLS_HANDSHAKE_FAILED: translate('OpenLP.ProjectorConstants',
+                                      'The SSL/TLS handshake failed'),
+    E_SOCKET_ADDRESS_NOT_AVAILABLE: translate('OpenLP.ProjectorConstants',
+                                              'The address specified to socket.bind() '
+                                              'does not belong to the host'),
+    E_SOCKET_ACCESS: translate('OpenLP.ProjectorConstants',
+                               'The socket operation failed because the application '
+                               'lacked the required privileges'),
+    E_SOCKET_RESOURCE: translate('OpenLP.ProjectorConstants',
+                                 'The local system ran out of resources (e.g., too many sockets)'),
+    E_SOCKET_TIMEOUT: translate('OpenLP.ProjectorConstants',
+                                'The socket operation timed out'),
+    E_TEMP: translate('OpenLP.ProjectorConstants', 'Projector high temperature detected'),
+    E_UNAVAILABLE: translate('OpenLP.ProjectorConstants', 'PJLink returned "ERR3: Busy"'),
+    E_UNDEFINED: translate('OpenLP.ProjectorConstants', 'PJLink returned "ERR1: Undefined Command"'),
+    E_UNFINISHED_SOCKET_OPERATION: translate('OpenLP.ProjectorConstants',
+                                             'The last operation attempted has not finished yet '
+                                             '(still in progress in the background)'),
+    E_UNKNOWN: translate('OpenLP.ProjectorConstants', 'Unknown condiction detected'),
+    E_UNKNOWN_SOCKET_ERROR: translate('OpenLP.ProjectorConstants', 'An unidentified socket error occurred'),
+    E_UNSUPPORTED_SOCKET_OPERATION: translate('OpenLP.ProjectorConstants',
+                                              'The requested socket operation is not supported by the local '
+                                              'operating system (e.g., lack of IPv6 support)'),
+    E_WARN: translate('OpenLP.ProjectorConstants', 'Warning condition detected'),
+    S_BOUND: translate('OpenLP.ProjectorConstants', 'Socket is bount to an address or port'),
+    S_CLOSING: translate('OpenLP.ProjectorConstants', 'Socket is about to close'),
     S_CONNECTED: translate('OpenLP.ProjectorConstants', 'Connected'),
-    S_STATUS: translate('OpenLP.ProjectorConstants', 'Getting status'),
+    S_CONNECTING: translate('OpenLP.ProjectorConstants', 'Connecting'),
-    S_OFF: translate('OpenLP.ProjectorConstants', 'Off'),
-    S_INITIALIZE: translate('OpenLP.ProjectorConstants', 'Initialize in progress'),
-    S_STANDBY: translate('OpenLP.ProjectorConstants', 'Power in standby'),
-    S_WARMUP: translate('OpenLP.ProjectorConstants', 'Warmup in progress'),
-    S_ON: translate('OpenLP.ProjectorConstants', 'Power is on'),
     S_COOLDOWN: translate('OpenLP.ProjectorConstants', 'Cooldown in progress'),
+    S_HOST_LOOKUP: translate('OpenLP.ProjectorConstants', 'Performing a host name lookup'),
     S_INFO: translate('OpenLP.ProjectorConstants', 'Projector Information available'),
+    S_INITIALIZE: translate('OpenLP.ProjectorConstants', 'Initialize in progress'),
+    S_LISTENING: translate('OpenLP.ProjectorConstants', 'Socket it listening (internal use only)'),
+    S_NETWORK_IDLE: translate('OpenLP.ProjectorConstants', 'No network activity at this time'),
+    S_NETWORK_RECEIVING: translate('OpenLP.ProjectorConstants', 'Received data'),
     S_NETWORK_SENDING: translate('OpenLP.ProjectorConstants', 'Sending data'),
-    S_NETWORK_RECEIVED: translate('OpenLP.ProjectorConstants', 'Received data')
+    S_NOT_CONNECTED: translate('OpenLP.ProjectorConstants', 'Not Connected'),
+    S_OFF: translate('OpenLP.ProjectorConstants', 'Off'),
+    S_OK: translate('OpenLP.ProjectorConstants', 'OK'),
+    S_ON: translate('OpenLP.ProjectorConstants', 'Power is on'),
+    S_STANDBY: translate('OpenLP.ProjectorConstants', 'Power in standby'),
+    S_STATUS: translate('OpenLP.ProjectorConstants', 'Getting status'),
+    S_WARMUP: translate('OpenLP.ProjectorConstants', 'Warmup in progress'),
 }
 
-# Map ERST return code positions to equipment
+# Map ERST reply positions to equipment
+PJLINK_ERST_LIST = {
+    "FAN": translate('OpenLP.PJLink', 'Fan'),
+    "LAMP": translate('OpenLP.PJLink', 'Lamp'),
+    "TEMP": translate('OpenLP.PJLink', 'Temperature'),
+    "COVER": translate('OpenLP.PJLink', 'Cover'),
+    "FILTER": translate('OpenLP.PJLink', 'Filter'),
+    "OTHER": translate('OpenPL.PJLink', 'Other')
+}
+
+# Map projector item to ERST data position
 PJLINK_ERST_DATA = {
-    'DATA_LENGTH': 6,
+    'DATA_LENGTH': 6,  # Zero based so enums are 0-5
-    0: 'FAN',
-    1: 'LAMP',
-    2: 'TEMP',
-    3: 'COVER',
-    4: 'FILTER',
-    5: 'OTHER',
     'FAN': 0,
     'LAMP': 1,
     'TEMP': 2,
     'COVER': 3,
     'FILTER': 4,
-    'OTHER': 5
+    'OTHER': 5,
+    0: 'FAN',
+    1: 'LAMP',
+    2: 'TEMP',
+    3: 'COVER',
+    4: 'FILTER',
+    5: 'OTHER'
 }
 
-# Map for ERST return codes to string
+# Map ERST reply codes to string
 PJLINK_ERST_STATUS = {
-    '0': 'OK',
+    '0': S_OK,
-    '1': ERROR_STRING[E_WARN],
+    '1': E_WARN,
-    '2': ERROR_STRING[E_ERROR],
+    '2': E_ERROR,
-    'OK': '0',
+    S_OK: '0',
-    E_OK: '0',
     E_WARN: '1',
     E_ERROR: '2'
 }
 
-# Map for POWR return codes to status code
+# Map POWR return codes to status code
 PJLINK_POWR_STATUS = {
     '0': S_STANDBY,
     '1': S_ON,

openlp/core/projectors/db.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -152,6 +152,7 @@ class Projector(Base, CommonMixin):
         location:       Column(String(30))
         notes:          Column(String(200))
         pjlink_name:    Column(String(128))  # From projector
+        pjlink_class    Column(String(5))    # From projector
         manufacturer:   Column(String(128))  # From projector
         model:          Column(String(128))  # From projector
         other:          Column(String(128))  # From projector
@@ -168,7 +169,7 @@ class Projector(Base, CommonMixin):
         Return basic representation of Source table entry.
         """
         return '< Projector(id="{data}", ip="{ip}", port="{port}", mac_adx="{mac}", pin="{pin}", name="{name}", ' \
-            'location="{location}", notes="{notes}", pjlink_name="{pjlink_name}", ' \
+            'location="{location}", notes="{notes}", pjlink_name="{pjlink_name}", pjlink_class="{pjlink_class}", ' \
             'manufacturer="{manufacturer}", model="{model}", serial_no="{serial}", other="{other}", ' \
             'sources="{sources}", source_list="{source_list}", model_filter="{mfilter}", ' \
             'model_lamp="{mlamp}", sw_version="{sw_ver}") >'.format(data=self.id,
@@ -180,6 +181,7 @@ class Projector(Base, CommonMixin):
                                                                     location=self.location,
                                                                     notes=self.notes,
                                                                     pjlink_name=self.pjlink_name,
+                                                                    pjlink_class=self.pjlink_class,
                                                                     manufacturer=self.manufacturer,
                                                                     model=self.model,
                                                                     other=self.other,
@@ -197,6 +199,7 @@ class Projector(Base, CommonMixin):
     location = Column(String(30))
     notes = Column(String(200))
     pjlink_name = Column(String(128))
+    pjlink_class = Column(String(5))
     manufacturer = Column(String(128))
     model = Column(String(128))
     other = Column(String(128))

openlp/core/projectors/editform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -30,8 +30,8 @@ from PyQt5 import QtCore, QtWidgets
 from openlp.core.common import verify_ip_address
 from openlp.core.common.i18n import translate
 from openlp.core.lib import build_icon
-from openlp.core.projectors.db import Projector
 from openlp.core.projectors.constants import PJLINK_PORT
+from openlp.core.projectors.db import Projector
 
 log = logging.getLogger(__name__)
 log.debug('editform loaded')

openlp/core/projectors/manager.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -35,12 +35,28 @@ from openlp.core.common.registry import RegistryBase
 from openlp.core.common.settings import Settings
 from openlp.core.lib.ui import create_widget_action
 from openlp.core.projectors import DialogSourceStyle
-from openlp.core.projectors.constants import ERROR_MSG, ERROR_STRING, E_AUTHENTICATION, E_ERROR, \
+from openlp.core.projectors.constants import \
-    E_NETWORK, E_NOT_CONNECTED, E_UNKNOWN_SOCKET_ERROR, STATUS_STRING, S_CONNECTED, S_CONNECTING, S_COOLDOWN, \
+    E_AUTHENTICATION, \
-    S_INITIALIZE, S_NOT_CONNECTED, S_OFF, S_ON, S_STANDBY, S_WARMUP
+    E_ERROR, \
+    E_NETWORK, \
+    E_NOT_CONNECTED, \
+    E_UNKNOWN_SOCKET_ERROR, \
+    S_CONNECTED, \
+    S_CONNECTING, \
+    S_COOLDOWN, \
+    S_INITIALIZE, \
+    S_NOT_CONNECTED, \
+    S_OFF, \
+    S_ON, \
+    S_STANDBY, \
+    S_WARMUP,    \
+    STATUS_CODE, \
+    STATUS_MSG, \
+    QSOCKET_STATE
+
 from openlp.core.projectors.db import ProjectorDB
-from openlp.core.projectors.pjlink import PJLink, PJLinkUDP
 from openlp.core.projectors.editform import ProjectorEditForm
+from openlp.core.projectors.pjlink import PJLink, PJLinkUDP
 from openlp.core.projectors.sourceselectform import SourceSelectTabs, SourceSelectSingle
 from openlp.core.widgets.toolbar import OpenLPToolbar
 
@@ -292,8 +308,7 @@ class ProjectorManager(QtWidgets.QWidget, RegistryBase, UiProjectorManager, LogM
         self.settings_section = 'projector'
         self.projectordb = projectordb
         self.projector_list = []
-        self.pjlink_udp = PJLinkUDP()
+        self.pjlink_udp = PJLinkUDP(self.projector_list)
-        self.pjlink_udp.projector_list = self.projector_list
         self.source_select_form = None
 
     def bootstrap_initialise(self):
@@ -440,11 +455,12 @@ class ProjectorManager(QtWidgets.QWidget, RegistryBase, UiProjectorManager, LogM
         :param opt: Needed by PyQt5
         """
         projector = item.data(QtCore.Qt.UserRole)
-        if projector.link.state() != projector.link.ConnectedState:
+        if QSOCKET_STATE[projector.link.state()] != S_CONNECTED:
             try:
+                log.debug('ProjectorManager: Calling connect_to_host() on "{ip}"'.format(ip=projector.link.ip))
                 projector.link.connect_to_host()
             except:
-                pass
+                log.debug('ProjectorManager: "{ip}" already connected - skipping'.format(ip=projector.link.ip))
         return
 
     def on_connect_projector(self, opt=None):
@@ -506,8 +522,8 @@ class ProjectorManager(QtWidgets.QWidget, RegistryBase, UiProjectorManager, LogM
         except (AttributeError, TypeError):
             pass
         try:
-            projector.timer.stop()
+            projector.poll_timer.stop()
-            projector.timer.timeout.disconnect(projector.link.poll_loop)
+            projector.poll_timer.timeout.disconnect(projector.link.poll_loop)
         except (AttributeError, TypeError):
             pass
         try:
@@ -515,7 +531,6 @@ class ProjectorManager(QtWidgets.QWidget, RegistryBase, UiProjectorManager, LogM
             projector.socket_timer.timeout.disconnect(projector.link.socket_abort)
         except (AttributeError, TypeError):
             pass
-        projector.thread.quit()
         new_list = []
         for item in self.projector_list:
             if item.link.db_item.id == projector.link.db_item.id:
@@ -647,7 +662,7 @@ class ProjectorManager(QtWidgets.QWidget, RegistryBase, UiProjectorManager, LogM
                                                                                    'Other info'),
                                                                    data=projector.link.other_info)
             message += '<b>{title}</b>: {data}<br />'.format(title=translate('OpenLP.ProjectorManager', 'Power status'),
-                                                             data=ERROR_MSG[projector.link.power])
+                                                             data=STATUS_MSG[projector.link.power])
             message += '<b>{title}</b>: {data}<br />'.format(title=translate('OpenLP.ProjectorManager', 'Shutter is'),
                                                              data=translate('OpenLP.ProjectorManager', 'Closed')
                                                              if projector.link.shutter
@@ -692,7 +707,7 @@ class ProjectorManager(QtWidgets.QWidget, RegistryBase, UiProjectorManager, LogM
             else:
                 message += '<b>{data}</b>'.format(data=translate('OpenLP.ProjectorManager', 'Current errors/warnings'))
                 for (key, val) in projector.link.projector_errors.items():
-                    message += '<b>{key}</b>: {data}<br />'.format(key=key, data=ERROR_MSG[val])
+                    message += '<b>{key}</b>: {data}<br />'.format(key=key, data=STATUS_MSG[val])
         QtWidgets.QMessageBox.information(self, translate('OpenLP.ProjectorManager', 'Projector Information'), message)
 
     def _add_projector(self, projector):
@@ -717,39 +732,18 @@ class ProjectorManager(QtWidgets.QWidget, RegistryBase, UiProjectorManager, LogM
         """
         item = ProjectorItem(link=self._add_projector(projector))
         item.db_item = projector
-        icon = QtGui.QIcon(QtGui.QPixmap(STATUS_ICONS[S_NOT_CONNECTED]))
+        item.icon = QtGui.QIcon(QtGui.QPixmap(STATUS_ICONS[S_NOT_CONNECTED]))
-        item.icon = icon
+        widget = QtWidgets.QListWidgetItem(item.icon,
-        widget = QtWidgets.QListWidgetItem(icon,
                                            item.link.name,
                                            self.projector_list_widget
                                            )
         widget.setData(QtCore.Qt.UserRole, item)
         item.link.db_item = item.db_item
         item.widget = widget
-        thread = QtCore.QThread(parent=self)
-        thread.my_parent = self
-        item.moveToThread(thread)
-        thread.started.connect(item.link.thread_started)
-        thread.finished.connect(item.link.thread_stopped)
-        thread.finished.connect(thread.deleteLater)
         item.link.changeStatus.connect(self.update_status)
         item.link.projectorAuthentication.connect(self.authentication_error)
         item.link.projectorNoAuthentication.connect(self.no_authentication_error)
         item.link.projectorUpdateIcons.connect(self.update_icons)
-        timer = QtCore.QTimer(self)
-        timer.setInterval(self.poll_time)
-        timer.timeout.connect(item.link.poll_loop)
-        item.timer = timer
-        # Timeout in case of brain-dead projectors or cable disconnected
-        socket_timer = QtCore.QTimer(self)
-        socket_timer.setInterval(11000)
-        socket_timer.timeout.connect(item.link.socket_abort)
-        item.socket_timer = socket_timer
-        thread.start()
-        item.thread = thread
-        item.link.timer = timer
-        item.link.socket_timer = socket_timer
-        item.link.widget = item.widget
         self.projector_list.append(item)
         if start:
             item.link.connect_to_host()
@@ -817,31 +811,18 @@ class ProjectorManager(QtWidgets.QWidget, RegistryBase, UiProjectorManager, LogM
             if ip == list_item.link.ip:
                 item = list_item
                 break
-        message = translate('OpenLP.ProjectorManager', 'No message') if msg is None else msg
+        if item is None:
-        if status in STATUS_STRING:
+            log.error('ProjectorManager: Unknown item "{ip}" - not updating status'.format(ip=ip))
-            status_code = STATUS_STRING[status]
+            return
-            message = ERROR_MSG[status] if msg is None else msg
+        elif item.status == status:
-        elif status in ERROR_STRING:
+            log.debug('ProjectorManager: No status change for "{ip}" - not updating status'.format(ip=ip))
-            status_code = ERROR_STRING[status]
+            return
-            message = ERROR_MSG[status] if msg is None else msg
+
-        else:
+        item.status = status
-            status_code = status
+        item.icon = QtGui.QIcon(QtGui.QPixmap(STATUS_ICONS[status]))
-            message = ERROR_MSG[status] if msg is None else msg
+        log.debug('({name}) Updating icon with {code}'.format(name=item.link.name, code=STATUS_CODE[status]))
-        log.debug('({name}) updateStatus(status={status}) message: "{message}"'.format(name=item.link.name,
+        item.widget.setIcon(item.icon)
-                                                                                       status=status_code,
+        return self.update_icons()
-                                                                                       message=message))
-        if status in STATUS_ICONS:
-            if item.status == status:
-                return
-            item.status = status
-            item.icon = QtGui.QIcon(QtGui.QPixmap(STATUS_ICONS[status]))
-            if status in ERROR_STRING:
-                status_code = ERROR_STRING[status]
-            elif status in STATUS_STRING:
-                status_code = STATUS_STRING[status]
-            log.debug('({name}) Updating icon with {code}'.format(name=item.link.name, code=status_code))
-            item.widget.setIcon(item.icon)
-            self.update_icons()
 
     def get_toolbar_item(self, name, enabled=False, hidden=False):
         item = self.one_toolbar.findChild(QtWidgets.QAction, name)
@@ -877,7 +858,7 @@ class ProjectorManager(QtWidgets.QWidget, RegistryBase, UiProjectorManager, LogM
             self.get_toolbar_item('show_projector_multiple', hidden=True)
         elif count == 1:
             projector = self.projector_list_widget.selectedItems()[0].data(QtCore.Qt.UserRole)
-            connected = projector.link.state() == projector.link.ConnectedState
+            connected = QSOCKET_STATE[projector.link.state()] == S_CONNECTED
             power = projector.link.power == S_ON
             self.get_toolbar_item('connect_projector_multiple', hidden=True)
             self.get_toolbar_item('disconnect_projector_multiple', hidden=True)

openlp/core/projectors/sourceselectform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -31,8 +31,8 @@ from PyQt5 import QtCore, QtWidgets
 from openlp.core.common import is_macosx
 from openlp.core.common.i18n import translate
 from openlp.core.lib import build_icon
-from openlp.core.projectors.db import ProjectorSource
 from openlp.core.projectors.constants import PJLINK_DEFAULT_SOURCES, PJLINK_DEFAULT_CODES
+from openlp.core.projectors.db import ProjectorSource
 
 log = logging.getLogger(__name__)
 

openlp/core/projectors/tab.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/projectors/upgrade.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -33,7 +33,7 @@ from openlp.core.lib.db import get_upgrade_op
 log = logging.getLogger(__name__)
 
 # Initial projector DB was unversioned
-__version__ = 2
+__version__ = 3
 
 log.debug('Projector DB upgrade module loading')
 
@@ -71,3 +71,23 @@ def upgrade_2(session, metadata):
         new_op.add_column('projector', Column('model_filter', types.String(30), server_default=null()))
         new_op.add_column('projector', Column('model_lamp', types.String(30), server_default=null()))
     log.debug('{status} projector DB upgrade to version 2'.format(status='Updated' if upgrade_db else 'Skipping'))
+
+
+def upgrade_3(session, metadata):
+    """
+    Version 3 upgrade.
+
+    Update Projector() table to inlcude PJLink class as part of record.
+
+    pjlink_version:     Column(String(1))
+
+    :param session: DB Session instance
+    :param metadata: Metadata of current DB
+    """
+    log.debug('Checking projector DB upgrade to version 3')
+    projector_table = Table('projector', metadata, autoload=True)
+    upgrade_db = 'pjlink_class' not in [col.name for col in projector_table.c.values()]
+    if upgrade_db:
+        new_op = get_upgrade_op(session)
+        new_op.add_column('projector', Column('pjlink_class', types.String(5), server_default=null()))
+    log.debug('{status} projector DB upgrade to version 3'.format(status='Updated' if upgrade_db else 'Skipping'))

openlp/core/threading.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -24,26 +24,41 @@ The :mod:`openlp.core.threading` module contains some common threading code
 """
 from PyQt5 import QtCore
 
+from openlp.core.common.registry import Registry
 
-def run_thread(parent, worker, prefix='', auto_start=True):
+
+class ThreadWorker(QtCore.QObject):
+    """
+    The :class:`~openlp.core.threading.ThreadWorker` class provides a base class for all worker objects
+    """
+    quit = QtCore.pyqtSignal()
+
+    def start(self):
+        """
+        The start method is how the worker runs. Basically, put your code here.
+        """
+        raise NotImplementedError('Your base class needs to override this method and run self.quit.emit() at the end.')
+
+
+def run_thread(worker, thread_name, can_start=True):
     """
     Create a thread and assign a worker to it. This removes a lot of boilerplate code from the codebase.
 
-    :param object parent: The parent object so that the thread and worker are not orphaned.
     :param QObject worker: A QObject-based worker object which does the actual work.
-    :param str prefix: A prefix to be applied to the attribute names.
+    :param str thread_name: The name of the thread, used to keep track of the thread.
-    :param bool auto_start: Automatically start the thread. Defaults to True.
+    :param bool can_start: Start the thread. Defaults to True.
     """
-    # Set up attribute names
+    if not thread_name:
-    thread_name = 'thread'
+        raise ValueError('A thread_name is required when calling the "run_thread" function')
-    worker_name = 'worker'
+    application = Registry().get('application')
-    if prefix:
+    if thread_name in application.worker_threads:
-        thread_name = '_'.join([prefix, thread_name])
+        raise KeyError('A thread with the name "{}" has already been created, please use another'.format(thread_name))
-        worker_name = '_'.join([prefix, worker_name])
     # Create the thread and add the thread and the worker to the parent
     thread = QtCore.QThread()
-    setattr(parent, thread_name, thread)
+    application.worker_threads[thread_name] = {
-    setattr(parent, worker_name, worker)
+        'thread': thread,
+        'worker': worker
+    }
     # Move the worker into the thread's context
     worker.moveToThread(thread)
     # Connect slots and signals
@@ -51,5 +66,50 @@ def run_thread(parent, worker, prefix='', auto_start=True):
     worker.quit.connect(thread.quit)
     worker.quit.connect(worker.deleteLater)
     thread.finished.connect(thread.deleteLater)
-    if auto_start:
+    thread.finished.connect(make_remove_thread(thread_name))
+    if can_start:
         thread.start()
+
+
+def get_thread_worker(thread_name):
+    """
+    Get the worker by the thread name
+
+    :param str thread_name: The name of the thread
+    :returns: The worker for this thread name
+    """
+    thread_info = Registry().get('application').worker_threads.get(thread_name)
+    if not thread_info:
+        raise KeyError('No thread named "{}" exists'.format(thread_name))
+    return thread_info.get('worker')
+
+
+def is_thread_finished(thread_name):
+    """
+    Check if a thread is finished running.
+
+    :param str thread_name: The name of the thread
+    :returns: True if the thread is finished, False if it is still running
+    """
+    app = Registry().get('application')
+    return thread_name not in app.worker_threads or app.worker_threads[thread_name]['thread'].isFinished()
+
+
+def make_remove_thread(thread_name):
+    """
+    Create a function to remove the thread once the thread is finished.
+
+    :param str thread_name: The name of the thread which should be removed from the thread registry.
+    :returns: A function which will remove the thread from the thread registry.
+    """
+
+    def remove_thread():                                                                        # pragma: nocover
+        """
+        Stop and remove a registered thread
+
+        :param str thread_name: The name of the thread to stop and remove
+        """
+        application = Registry().get('application')
+        if thread_name in application.worker_threads:
+            del application.worker_threads[thread_name]
+    return remove_thread

openlp/core/ui/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/aboutdialog.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/aboutform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -26,8 +26,8 @@ import webbrowser
 
 from PyQt5 import QtCore, QtWidgets
 
-from openlp.core.version import get_version
 from openlp.core.common.i18n import translate
+from openlp.core.version import get_version
 from .aboutdialog import UiAboutDialog
 
 

openlp/core/ui/advancedtab.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/exceptiondialog.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/exceptionform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/filerenamedialog.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/filerenameform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/firsttimeform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -23,12 +23,10 @@
 This module contains the first time wizard.
 """
 import logging
-import os
-import socket
 import time
-import urllib.request
-import urllib.parse
 import urllib.error
+import urllib.parse
+import urllib.request
 from configparser import ConfigParser, MissingSectionHeaderError, NoOptionError, NoSectionError
 from tempfile import gettempdir
 
@@ -36,54 +34,55 @@ from PyQt5 import QtCore, QtWidgets
 
 from openlp.core.common import clean_button_text, trace_error_handler
 from openlp.core.common.applocation import AppLocation
+from openlp.core.common.httputils import get_web_page, get_url_file_size, download_file
 from openlp.core.common.i18n import translate
-from openlp.core.common.path import Path, create_paths
 from openlp.core.common.mixins import RegistryProperties
+from openlp.core.common.path import Path, create_paths
 from openlp.core.common.registry import Registry
 from openlp.core.common.settings import Settings
 from openlp.core.lib import PluginStatus, build_icon
 from openlp.core.lib.ui import critical_error_message_box
-from openlp.core.common.httputils import get_web_page, get_url_file_size, url_get_file, CONNECTION_TIMEOUT
+from openlp.core.threading import ThreadWorker, run_thread, get_thread_worker, is_thread_finished
-from .firsttimewizard import UiFirstTimeWizard, FirstTimePage
+from openlp.core.ui.firsttimewizard import UiFirstTimeWizard, FirstTimePage
 
 log = logging.getLogger(__name__)
 
 
-class ThemeScreenshotWorker(QtCore.QObject):
+class ThemeScreenshotWorker(ThreadWorker):
     """
     This thread downloads a theme's screenshot
     """
     screenshot_downloaded = QtCore.pyqtSignal(str, str, str)
-    finished = QtCore.pyqtSignal()
 
     def __init__(self, themes_url, title, filename, sha256, screenshot):
         """
         Set up the worker object
         """
-        self.was_download_cancelled = False
+        self.was_cancelled = False
         self.themes_url = themes_url
         self.title = title
         self.filename = filename
         self.sha256 = sha256
         self.screenshot = screenshot
-        socket.setdefaulttimeout(CONNECTION_TIMEOUT)
+        super().__init__()
-        super(ThemeScreenshotWorker, self).__init__()
 
-    def run(self):
+    def start(self):
         """
-        Overridden method to run the thread.
+        Run the worker
         """
-        if self.was_download_cancelled:
+        if self.was_cancelled:
             return
         try:
-            urllib.request.urlretrieve('{host}{name}'.format(host=self.themes_url, name=self.screenshot),
+            download_path = Path(gettempdir()) / 'openlp' / self.screenshot
-                                       os.path.join(gettempdir(), 'openlp', self.screenshot))
+            is_success = download_file(self, '{host}{name}'.format(host=self.themes_url, name=self.screenshot),
-            # Signal that the screenshot has been downloaded
+                                       download_path)
-            self.screenshot_downloaded.emit(self.title, self.filename, self.sha256)
+            if is_success and not self.was_cancelled:
-        except:
+                # Signal that the screenshot has been downloaded
+                self.screenshot_downloaded.emit(self.title, self.filename, self.sha256)
+        except:                                                                 # noqa
             log.exception('Unable to download screenshot')
         finally:
-            self.finished.emit()
+            self.quit.emit()
 
     @QtCore.pyqtSlot(bool)
     def set_download_canceled(self, toggle):
@@ -145,12 +144,13 @@ class FirstTimeForm(QtWidgets.QWizard, UiFirstTimeWizard, RegistryProperties):
             return FirstTimePage.Progress
         elif self.currentId() == FirstTimePage.Themes:
             self.application.set_busy_cursor()
-            while not all([thread.isFinished() for thread in self.theme_screenshot_threads]):
+            while not all([is_thread_finished(thread_name) for thread_name in self.theme_screenshot_threads]):
                 time.sleep(0.1)
                 self.application.process_events()
             # Build the screenshot icons, as this can not be done in the thread.
             self._build_theme_screenshots()
             self.application.set_normal_cursor()
+            self.theme_screenshot_threads = []
             return FirstTimePage.Defaults
         else:
             return self.get_next_page_id()
@@ -171,7 +171,6 @@ class FirstTimeForm(QtWidgets.QWizard, UiFirstTimeWizard, RegistryProperties):
         self.screens = screens
         self.was_cancelled = False
         self.theme_screenshot_threads = []
-        self.theme_screenshot_workers = []
         self.has_run_wizard = False
 
     def _download_index(self):
@@ -256,14 +255,10 @@ class FirstTimeForm(QtWidgets.QWizard, UiFirstTimeWizard, RegistryProperties):
                 sha256 = self.config.get('theme_{theme}'.format(theme=theme), 'sha256', fallback='')
                 screenshot = self.config.get('theme_{theme}'.format(theme=theme), 'screenshot')
                 worker = ThemeScreenshotWorker(self.themes_url, title, filename, sha256, screenshot)
-                self.theme_screenshot_workers.append(worker)
                 worker.screenshot_downloaded.connect(self.on_screenshot_downloaded)
-                thread = QtCore.QThread(self)
+                thread_name = 'theme_screenshot_{title}'.format(title=title)
-                self.theme_screenshot_threads.append(thread)
+                run_thread(worker, thread_name)
-                thread.started.connect(worker.run)
+                self.theme_screenshot_threads.append(thread_name)
-                worker.finished.connect(thread.quit)
-                worker.moveToThread(thread)
-                thread.start()
             self.application.process_events()
 
     def set_defaults(self):
@@ -353,12 +348,14 @@ class FirstTimeForm(QtWidgets.QWizard, UiFirstTimeWizard, RegistryProperties):
         Process the triggering of the cancel button.
         """
         self.was_cancelled = True
-        if self.theme_screenshot_workers:
+        if self.theme_screenshot_threads:
-            for worker in self.theme_screenshot_workers:
+            for thread_name in self.theme_screenshot_threads:
-                worker.set_download_canceled(True)
+                worker = get_thread_worker(thread_name)
+                if worker:
+                    worker.set_download_canceled(True)
         # Was the thread created.
         if self.theme_screenshot_threads:
-            while any([thread.isRunning() for thread in self.theme_screenshot_threads]):
+            while any([not is_thread_finished(thread_name) for thread_name in self.theme_screenshot_threads]):
                 time.sleep(0.1)
         self.application.set_normal_cursor()
 
@@ -401,7 +398,7 @@ class FirstTimeForm(QtWidgets.QWizard, UiFirstTimeWizard, RegistryProperties):
             screenshot = self.config.get('theme_{theme}'.format(theme=theme), 'screenshot')
             item = self.themes_list_widget.item(index)
             if item:
-                item.setIcon(build_icon(os.path.join(gettempdir(), 'openlp', screenshot)))
+                item.setIcon(build_icon(Path(gettempdir(), 'openlp', screenshot)))
 
     def _download_progress(self, count, block_size):
         """
@@ -550,9 +547,9 @@ class FirstTimeForm(QtWidgets.QWizard, UiFirstTimeWizard, RegistryProperties):
         Download selected songs, bibles and themes. Returns False on download error
         """
         # Build directories for downloads
-        songs_destination = os.path.join(gettempdir(), 'openlp')
+        songs_destination_path = Path(gettempdir(), 'openlp')
-        bibles_destination = str(AppLocation.get_section_data_path('bibles'))
+        bibles_destination_path = AppLocation.get_section_data_path('bibles')
-        themes_destination = str(AppLocation.get_section_data_path('themes'))
+        themes_destination_path = AppLocation.get_section_data_path('themes')
         missed_files = []
         # Download songs
         for i in range(self.songs_list_widget.count()):
@@ -561,9 +558,9 @@ class FirstTimeForm(QtWidgets.QWizard, UiFirstTimeWizard, RegistryProperties):
                 filename, sha256 = item.data(QtCore.Qt.UserRole)
                 self._increment_progress_bar(self.downloading.format(name=filename), 0)
                 self.previous_size = 0
-                destination = Path(songs_destination, str(filename))
+                destination = songs_destination_path / str(filename)
-                if not url_get_file(self, '{path}{name}'.format(path=self.songs_url, name=filename),
+                if not download_file(self, '{path}{name}'.format(path=self.songs_url, name=filename),
-                                    destination, sha256):
+                                     destination, sha256):
                     missed_files.append('Song: {name}'.format(name=filename))
         # Download Bibles
         bibles_iterator = QtWidgets.QTreeWidgetItemIterator(self.bibles_tree_widget)
@@ -573,9 +570,8 @@ class FirstTimeForm(QtWidgets.QWizard, UiFirstTimeWizard, RegistryProperties):
                 bible, sha256 = item.data(0, QtCore.Qt.UserRole)
                 self._increment_progress_bar(self.downloading.format(name=bible), 0)
                 self.previous_size = 0
-                if not url_get_file(self, '{path}{name}'.format(path=self.bibles_url, name=bible),
+                if not download_file(self, '{path}{name}'.format(path=self.bibles_url, name=bible),
-                                    Path(bibles_destination, bible),
+                                     bibles_destination_path / bible, sha256):
-                                    sha256):
                     missed_files.append('Bible: {name}'.format(name=bible))
             bibles_iterator += 1
         # Download themes
@@ -585,9 +581,8 @@ class FirstTimeForm(QtWidgets.QWizard, UiFirstTimeWizard, RegistryProperties):
                 theme, sha256 = item.data(QtCore.Qt.UserRole)
                 self._increment_progress_bar(self.downloading.format(name=theme), 0)
                 self.previous_size = 0
-                if not url_get_file(self, '{path}{name}'.format(path=self.themes_url, name=theme),
+                if not download_file(self, '{path}{name}'.format(path=self.themes_url, name=theme),
-                                    Path(themes_destination, theme),
+                                     themes_destination_path / theme, sha256):
-                                    sha256):
                     missed_files.append('Theme: {name}'.format(name=theme))
         if missed_files:
             file_list = ''

openlp/core/ui/firsttimelanguagedialog.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/firsttimelanguageform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/firsttimewizard.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/formattingtagcontroller.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/formattingtagdialog.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/formattingtagform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -28,8 +28,8 @@ from PyQt5 import QtCore, QtWidgets
 
 from openlp.core.common.i18n import translate
 from openlp.core.lib import FormattingTags
-from openlp.core.ui.formattingtagdialog import Ui_FormattingTagDialog
 from openlp.core.ui.formattingtagcontroller import FormattingTagController
+from openlp.core.ui.formattingtagdialog import Ui_FormattingTagDialog
 
 
 class EditColumn(object):

openlp/core/ui/generaltab.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/mainwindow.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -23,10 +23,7 @@
 This is the main window, where all the action happens.
 """
 import logging
-import os
-import shutil
 import sys
-import time
 from datetime import datetime
 from distutils import dir_util
 from distutils.errors import DistutilsFileError
@@ -40,8 +37,8 @@ from openlp.core.common import is_win, is_macosx, add_actions
 from openlp.core.common.actions import ActionList, CategoryOrder
 from openlp.core.common.applocation import AppLocation
 from openlp.core.common.i18n import LanguageManager, UiStrings, translate
-from openlp.core.common.path import Path, copyfile, create_paths
 from openlp.core.common.mixins import RegistryProperties
+from openlp.core.common.path import Path, copyfile, create_paths
 from openlp.core.common.registry import Registry
 from openlp.core.common.settings import Settings
 from openlp.core.display.screens import ScreenList
@@ -59,7 +56,6 @@ from openlp.core.version import get_version
 from openlp.core.widgets.dialogs import FileDialog
 from openlp.core.widgets.docks import OpenLPDockWidget, MediaDockManager
 
-
 log = logging.getLogger(__name__)
 
 
@@ -481,8 +477,6 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow, RegistryProperties):
         """
         super(MainWindow, self).__init__()
         Registry().register('main_window', self)
-        self.version_thread = None
-        self.version_worker = None
         self.clipboard = self.application.clipboard()
         self.arguments = ''.join(self.application.args)
         # Set up settings sections for the main application (not for use by plugins).
@@ -504,8 +498,8 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow, RegistryProperties):
         Settings().set_up_default_values()
         self.about_form = AboutForm(self)
         MediaController()
-        websockets.WebSocketServer()
+        self.ws_server = websockets.WebSocketServer()
-        server.HttpServer()
+        self.http_server = server.HttpServer(self)
         SettingsForm(self)
         self.formatting_tag_form = FormattingTagForm(self)
         self.shortcut_form = ShortcutListForm(self)
@@ -551,6 +545,41 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow, RegistryProperties):
         # Reset the cursor
         self.application.set_normal_cursor()
 
+    def _wait_for_threads(self):
+        """
+        Wait for the threads
+        """
+        # Sometimes the threads haven't finished, let's wait for them
+        wait_dialog = QtWidgets.QProgressDialog('Waiting for some things to finish...', '', 0, 0, self)
+        wait_dialog.setWindowModality(QtCore.Qt.WindowModal)
+        wait_dialog.setAutoClose(False)
+        wait_dialog.setCancelButton(None)
+        wait_dialog.show()
+        for thread_name in self.application.worker_threads.keys():
+            log.debug('Waiting for thread %s', thread_name)
+            self.application.processEvents()
+            thread = self.application.worker_threads[thread_name]['thread']
+            worker = self.application.worker_threads[thread_name]['worker']
+            try:
+                if worker and hasattr(worker, 'stop'):
+                    # If the worker has a stop method, run it
+                    worker.stop()
+                if thread and thread.isRunning():
+                    # If the thread is running, let's wait 5 seconds for it
+                    retry = 0
+                    while thread.isRunning() and retry < 50:
+                        # Make the GUI responsive while we wait
+                        self.application.processEvents()
+                        thread.wait(100)
+                        retry += 1
+                    if thread.isRunning():
+                        # If the thread is still running after 5 seconds, kill it
+                        thread.terminate()
+            except RuntimeError:
+                # Ignore the RuntimeError that is thrown when Qt has already deleted the C++ thread object
+                pass
+        wait_dialog.close()
+
     def bootstrap_post_set_up(self):
         """
         process the bootstrap post setup request
@@ -697,7 +726,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow, RegistryProperties):
         # Update the theme widget
         self.theme_manager_contents.load_themes()
         # Check if any Bibles downloaded.  If there are, they will be processed.
-        Registry().execute('bibles_load_list', True)
+        Registry().execute('bibles_load_list')
         self.application.set_normal_cursor()
 
     def is_display_blank(self):
@@ -1002,39 +1031,14 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow, RegistryProperties):
         if not self.application.is_event_loop_active:
             event.ignore()
             return
-        # Sometimes the version thread hasn't finished, let's wait for it
-        try:
-            if self.version_thread and self.version_thread.isRunning():
-                wait_dialog = QtWidgets.QProgressDialog('Waiting for some things to finish...', '', 0, 0, self)
-                wait_dialog.setWindowModality(QtCore.Qt.WindowModal)
-                wait_dialog.setAutoClose(False)
-                wait_dialog.setCancelButton(None)
-                wait_dialog.show()
-                retry = 0
-                while self.version_thread.isRunning() and retry < 50:
-                    self.application.processEvents()
-                    self.version_thread.wait(100)
-                    retry += 1
-                if self.version_thread.isRunning():
-                    self.version_thread.terminate()
-                wait_dialog.close()
-        except RuntimeError:
-            # Ignore the RuntimeError that is thrown when Qt has already deleted the C++ thread object
-            pass
-        # If we just did a settings import, close without saving changes.
-        if self.settings_imported:
-            self.clean_up(False)
-            event.accept()
         if self.service_manager_contents.is_modified():
             ret = self.service_manager_contents.save_modified_service()
             if ret == QtWidgets.QMessageBox.Save:
                 if self.service_manager_contents.decide_save_method():
-                    self.clean_up()
                     event.accept()
                 else:
                     event.ignore()
             elif ret == QtWidgets.QMessageBox.Discard:
-                self.clean_up()
                 event.accept()
             else:
                 event.ignore()
@@ -1050,13 +1054,16 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow, RegistryProperties):
                 close_button.setText(translate('OpenLP.MainWindow', '&Exit OpenLP'))
                 msg_box.setDefaultButton(QtWidgets.QMessageBox.Close)
                 if msg_box.exec() == QtWidgets.QMessageBox.Close:
-                    self.clean_up()
                     event.accept()
                 else:
                     event.ignore()
             else:
-                self.clean_up()
                 event.accept()
+        if event.isAccepted():
+            # Wait for all the threads to complete
+            self._wait_for_threads()
+            # If we just did a settings import, close without saving changes.
+            self.clean_up(save_settings=not self.settings_imported)
 
     def clean_up(self, save_settings=True):
         """
@@ -1064,9 +1071,6 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow, RegistryProperties):
 
         :param save_settings: Switch to prevent saving settings. Defaults to **True**.
         """
-        self.image_manager.stop_manager = True
-        while self.image_manager.image_thread.isRunning():
-            time.sleep(0.1)
         if save_settings:
             if Settings().value('advanced/save current plugin'):
                 Settings().setValue('advanced/current media plugin', self.media_tool_box.currentIndex())

openlp/core/ui/media/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/media/endpoint.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -24,8 +24,8 @@ The :mod:`~openlp.core.api.endpoint` module contains various API endpoints
 """
 import logging
 
-from openlp.core.api.http.endpoint import Endpoint
 from openlp.core.api.http import requires_auth
+from openlp.core.api.http.endpoint import Endpoint
 from openlp.core.common.registry import Registry
 
 log = logging.getLogger(__name__)

openlp/core/ui/media/mediacontroller.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -23,9 +23,10 @@
 The :mod:`~openlp.core.ui.media.mediacontroller` module contains a base class for media components and other widgets
 related to playing media, such as sliders.
 """
+import datetime
 import logging
 import os
-import datetime
+
 from PyQt5 import QtCore, QtWidgets
 
 from openlp.core.api.http import register_endpoint
@@ -37,14 +38,13 @@ from openlp.core.common.settings import Settings
 from openlp.core.lib import ItemCapabilities
 from openlp.core.lib.ui import critical_error_message_box
 from openlp.core.ui import DisplayControllerType
-from openlp.core.ui.media.endpoint import media_endpoint
+from openlp.core.ui.media import MediaState, MediaInfo, MediaType, get_media_players, set_media_players, \
-from openlp.core.ui.media.vendor.mediainfoWrapper import MediaInfoWrapper
-from openlp.core.ui.media.mediaplayer import MediaPlayer
-from openlp.core.ui.media import MediaState, MediaInfo, MediaType, get_media_players, set_media_players,\
     parse_optical_path
+from openlp.core.ui.media.endpoint import media_endpoint
+from openlp.core.ui.media.mediaplayer import MediaPlayer
+from openlp.core.ui.media.vendor.mediainfoWrapper import MediaInfoWrapper
 from openlp.core.widgets.toolbar import OpenLPToolbar
 
-
 log = logging.getLogger(__name__)
 
 TICK_TIME = 200
@@ -181,7 +181,8 @@ class MediaController(RegistryBase, LogMixin, RegistryProperties):
         """
         log.debug('_check_available_media_players')
         controller_dir = os.path.join('core', 'ui', 'media')
-        glob_pattern = os.path.join(controller_dir, '*player.py')
+        # Find all files that do not begin with '.' (lp:#1738047) and end with player.py
+        glob_pattern = os.path.join(controller_dir, '[!.]*player.py')
         extension_loader(glob_pattern, ['mediaplayer.py'])
         player_classes = MediaPlayer.__subclasses__()
         for player_class in player_classes:

openlp/core/ui/media/mediaplayer.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/media/playertab.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/media/systemplayer.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -31,7 +31,7 @@ from PyQt5 import QtCore, QtMultimedia, QtMultimediaWidgets
 from openlp.core.common.i18n import translate
 from openlp.core.ui.media import MediaState
 from openlp.core.ui.media.mediaplayer import MediaPlayer
-
+from openlp.core.threading import ThreadWorker, run_thread, is_thread_finished
 
 log = logging.getLogger(__name__)
 
@@ -294,39 +294,38 @@ class SystemPlayer(MediaPlayer):
         :param path: Path to file to be checked
         :return: True if file can be played otherwise False
         """
-        thread = QtCore.QThread()
         check_media_worker = CheckMediaWorker(path)
         check_media_worker.setVolume(0)
-        check_media_worker.moveToThread(thread)
+        run_thread(check_media_worker, 'check_media')
-        check_media_worker.finished.connect(thread.quit)
+        while not is_thread_finished('check_media'):
-        thread.started.connect(check_media_worker.play)
-        thread.start()
-        while thread.isRunning():
             self.application.processEvents()
         return check_media_worker.result
 
 
-class CheckMediaWorker(QtMultimedia.QMediaPlayer):
+class CheckMediaWorker(QtMultimedia.QMediaPlayer, ThreadWorker):
     """
     Class used to check if a media file is playable
     """
-    finished = QtCore.pyqtSignal()
-
     def __init__(self, path):
         super(CheckMediaWorker, self).__init__(None, QtMultimedia.QMediaPlayer.VideoSurface)
-        self.result = None
+        self.path = path
 
+    def start(self):
+        """
+        Start the thread worker
+        """
+        self.result = None
         self.error.connect(functools.partial(self.signals, 'error'))
         self.mediaStatusChanged.connect(functools.partial(self.signals, 'media'))
-
+        self.setMedia(QtMultimedia.QMediaContent(QtCore.QUrl.fromLocalFile(self.path)))
-        self.setMedia(QtMultimedia.QMediaContent(QtCore.QUrl.fromLocalFile(path)))
+        self.play()
 
     def signals(self, origin, status):
         if origin == 'media' and status == self.BufferedMedia:
             self.result = True
             self.stop()
-            self.finished.emit()
+            self.quit.emit()
         elif origin == 'error' and status != self.NoError:
             self.result = False
             self.stop()
-            self.finished.emit()
+            self.quit.emit()

openlp/core/ui/media/vendor/__init__.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/media/vendor/mediainfoWrapper.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/media/vendor/vlc.py

@@ -40,11 +40,10 @@ C{get_instance} method of L{MediaPlayer} and L{MediaListPlayer}.
 """
 
 import ctypes
-from ctypes.util import find_library
+import functools
 import os
 import sys
-import functools
+from ctypes.util import find_library
-
 # Used by EventManager in override.py
 from inspect import getargspec
 

openlp/core/ui/media/vlcplayer.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -22,13 +22,14 @@
 """
 The :mod:`~openlp.core.ui.media.vlcplayer` module contains our VLC component wrapper
 """
-from datetime import datetime
+import ctypes
-from distutils.version import LooseVersion
 import logging
 import os
-import threading
 import sys
-import ctypes
+import threading
+from datetime import datetime
+from distutils.version import LooseVersion
+
 from PyQt5 import QtWidgets
 
 from openlp.core.common import is_win, is_macosx, is_linux

openlp/core/ui/plugindialog.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/pluginform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/printservicedialog.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/printserviceform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -24,8 +24,8 @@ The actual print service dialog
 """
 import datetime
 import html
-import lxml.html
 
+import lxml.html
 from PyQt5 import QtCore, QtGui, QtWidgets, QtPrintSupport
 
 from openlp.core.common.applocation import AppLocation

openlp/core/ui/serviceitemeditdialog.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/serviceitemeditform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/servicemanager.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -370,7 +370,7 @@ class ServiceManager(QtWidgets.QWidget, RegistryBase, Ui_ServiceManager, LogMixi
         :rtype: None
         """
         self._service_path = file_path
-        self.main_window.set_service_modified(self.is_modified(), file_path.name)
+        self.set_modified(self.is_modified())
         Settings().setValue('servicemanager/last file', file_path)
         if file_path and file_path.suffix == '.oszl':
             self._save_lite = True

openlp/core/ui/servicenoteform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/settingsdialog.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/settingsform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/shortcutlistdialog.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/shortcutlistform.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #

openlp/core/ui/slidecontroller.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #
@@ -43,7 +43,6 @@ from openlp.core.display.window import DisplayWindow
 from openlp.core.widgets.toolbar import OpenLPToolbar
 from openlp.core.widgets.views import ListPreviewWidget
 
-
 # Threshold which has to be trespassed to toggle.
 HIDE_MENU_THRESHOLD = 27
 AUDIO_TIME_LABEL_STYLESHEET = 'background-color: palette(background); ' \

openlp/core/ui/splashscreen.py

@@ -4,7 +4,7 @@
 ###############################################################################
 # OpenLP - Open Source Lyrics Projection                                      #
 # --------------------------------------------------------------------------- #
-# Copyright (c) 2008-2017 OpenLP Developers                                   #
+# Copyright (c) 2008-2018 OpenLP Developers                                   #
 # --------------------------------------------------------------------------- #
 # 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  #