HEAD

2016-07-24 14:25:46 +02:00 · 2016-07-24 14:25:46 +02:00 · e231398010
commit e231398010
parent 98f5a5c856 c426b8c1a2
53 changed files with 835 additions and 288 deletions
--- a/openlp/core/common/init.py
+++ b/openlp/core/common/init.py
@ -195,7 +195,7 @@ def verify_ip_address(addr):
    return True if verify_ipv4(addr) else verify_ipv6(addr)


-def md5_hash(salt, data=None):
+def md5_hash(salt=None, data=None):
    """
    Returns the hashed output of md5sum on salt,data
    using Python3 hashlib
@ -205,8 +205,11 @@ def md5_hash(salt, data=None):
    :returns: str
    """
    log.debug('md5_hash(salt="{text}")'.format(text=salt))
+    if not salt and not data:
+        return None
    hash_obj = hashlib.new('md5')
-    hash_obj.update(salt)
+    if salt:
+        hash_obj.update(salt)
    if data:
        hash_obj.update(data)
    hash_value = hash_obj.hexdigest()
@ -214,18 +217,25 @@ def md5_hash(salt, data=None):
    return hash_value


-def qmd5_hash(salt, data=None):
+def qmd5_hash(salt=None, data=None):
    """
    Returns the hashed output of MD5Sum on salt, data
-    using PyQt5.QCryptographicHash.
+    using PyQt5.QCryptographicHash. Function returns a
+    QByteArray instead of a text string.
+    If you need a string instead, call with
+
+        result = str(qmd5_hash(salt=..., data=...), encoding='ascii')

    :param salt: Initial salt
    :param data: OPTIONAL Data to hash
-    :returns: str
+    :returns: QByteArray
    """
    log.debug('qmd5_hash(salt="{text}"'.format(text=salt))
+    if salt is None and data is None:
+        return None
    hash_obj = QHash(QHash.Md5)
-    hash_obj.addData(salt)
+    if salt:
+        hash_obj.addData(salt)
    if data:
        hash_obj.addData(data)
    hash_value = hash_obj.result().toHex()
--- a/openlp/core/common/actions.py
+++ b/openlp/core/common/actions.py
@ -138,7 +138,7 @@ class CategoryList(object):
        for category in self.categories:
            if category.name == key:
                return category
-        raise KeyError('Category "{keY}" does not exist.'.format(key=key))
+        raise KeyError('Category "{key}" does not exist.'.format(key=key))

    def __len__(self):
        """
--- a/openlp/core/common/db.py
+++ b/openlp/core/common/db.py
@ -22,11 +22,12 @@
 """
 The :mod:`db` module provides helper functions for database related methods.
 """
-import sqlalchemy
 import logging
-
 from copy import deepcopy

+import sqlalchemy
+
+
 log = logging.getLogger(__name__)


--- a/openlp/core/common/languagemanager.py
+++ b/openlp/core/common/languagemanager.py
@ -168,7 +168,7 @@ def format_time(text, local_time):
        """
        return local_time.strftime(match.group())

-    return re.sub('\%[a-zA-Z]', match_formatting, text)
+    return re.sub(r'\%[a-zA-Z]', match_formatting, text)


 def get_locale_key(string):
--- a/openlp/core/common/settings.py
+++ b/openlp/core/common/settings.py
@ -26,7 +26,7 @@ import datetime
 import logging
 import os

-from PyQt5 import QtCore, QtGui, QtWidgets
+from PyQt5 import QtCore, QtGui

 from openlp.core.common import ThemeLevel, SlideLimits, UiStrings, is_win, is_linux

--- a/openlp/core/common/uistrings.py
+++ b/openlp/core/common/uistrings.py
@ -68,7 +68,7 @@ class UiStrings(object):
        self.Default = translate('OpenLP.Ui', 'Default')
        self.DefaultColor = translate('OpenLP.Ui', 'Default Color:')
        self.DefaultServiceName = translate('OpenLP.Ui', 'Service %Y-%m-%d %H-%M',
-                                            'This may not contain any of the following characters: /\\?*|<>\[\]":+\n'
+                                            'This may not contain any of the following characters: /\\?*|<>[]":+\n'
                                            'See http://docs.python.org/library/datetime'
                                            '.html#strftime-strptime-behavior for more information.')
        self.Delete = translate('OpenLP.Ui', '&Delete')
--- a/openlp/core/common/versionchecker.py
+++ b/openlp/core/common/versionchecker.py
@ -10,10 +10,10 @@ from datetime import datetime
 from distutils.version import LooseVersion
 from subprocess import Popen, PIPE

-from openlp.core.common import AppLocation, Settings
-
 from PyQt5 import QtCore

+from openlp.core.common import AppLocation, Settings
+
 log = logging.getLogger(__name__)

 APPLICATION_VERSION = {}
--- a/openlp/core/lib/init.py
+++ b/openlp/core/lib/init.py
@ -95,7 +95,7 @@ def get_text_file_string(text_file):
    content = None
    try:
        file_handle = open(text_file, 'r', encoding='utf-8')
-        if not file_handle.read(3) == '\xEF\xBB\xBF':
+        if file_handle.read(3) != '\xEF\xBB\xBF':
            # no BOM was found
            file_handle.seek(0)
        content = file_handle.read()
--- a/openlp/core/lib/db.py
+++ b/openlp/core/lib/db.py
@ -122,6 +122,21 @@ def get_upgrade_op(session):
    return Operations(context)


+class BaseModel(object):
+    """
+    BaseModel provides a base object with a set of generic functions
+    """
+    @classmethod
+    def populate(cls, **kwargs):
+        """
+        Creates an instance of a class and populates it, returning the instance
+        """
+        instance = cls()
+        for key, value in kwargs.items():
+            instance.__setattr__(key, value)
+        return instance
+
+
 def upgrade_db(url, upgrade):
    """
    Upgrade a database.
@ -178,9 +193,9 @@ def upgrade_db(url, upgrade):
        version_meta = Metadata.populate(key='version', value=int(upgrade.__version__))
        session.commit()
    upgrade_version = upgrade.__version__
-    version_meta = int(version_meta.value)
+    version = int(version_meta.value)
    session.close()
-    return version_meta, upgrade_version
+    return version, upgrade_version


 def delete_database(plugin_name, db_file_name=None):
@ -197,21 +212,6 @@ def delete_database(plugin_name, db_file_name=None):
    return delete_file(db_file_path)


-class BaseModel(object):
-    """
-    BaseModel provides a base object with a set of generic functions
-    """
-    @classmethod
-    def populate(cls, **kwargs):
-        """
-        Creates an instance of a class and populates it, returning the instance
-        """
-        instance = cls()
-        for key, value in kwargs.items():
-            instance.__setattr__(key, value)
-        return instance
-
-
 class Manager(object):
    """
    Provide generic object persistence management
--- a/openlp/core/lib/htmlbuilder.py
+++ b/openlp/core/lib/htmlbuilder.py
@ -389,8 +389,8 @@ is the function which has to be called from outside. The generated and returned
 """
 import logging

-from PyQt5 import QtWebKit
 from string import Template
+from PyQt5 import QtWebKit

 from openlp.core.common import Settings
 from openlp.core.lib.theme import BackgroundType, BackgroundGradientType, VerticalType, HorizontalType
@ -647,7 +647,7 @@ def webkit_version():
        webkit_ver = float(QtWebKit.qWebKitVersion())
        log.debug('Webkit version = {version}'.format(version=webkit_ver))
    except AttributeError:
-        webkit_ver = 0
+        webkit_ver = 0.0
    return webkit_ver


--- a/openlp/core/lib/imagemanager.py
+++ b/openlp/core/lib/imagemanager.py
@ -272,7 +272,7 @@ class ImageManager(QtCore.QObject):
        Add image to cache if it is not already there.
        """
        log.debug('add_image {path}'.format(path=path))
-        if not (path, source, width, height) in self._cache:
+        if (path, source, width, height) not in self._cache:
            image = Image(path, source, background, width, height)
            self._cache[(path, source, width, height)] = image
            self._conversion_queue.put((image.priority, image.secondary_priority, image))
--- a/openlp/core/lib/pluginmanager.py
+++ b/openlp/core/lib/pluginmanager.py
@ -23,7 +23,6 @@
 Provide plugin management
 """
 import os
-import sys
 import imp

 from openlp.core.lib import Plugin, PluginStatus
--- a/openlp/core/lib/projector/db.py
+++ b/openlp/core/lib/projector/db.py
@ -40,13 +40,12 @@ log.debug('projector.lib.db module loaded')

 from sqlalchemy import Column, ForeignKey, Integer, MetaData, String, and_
 from sqlalchemy.ext.declarative import declarative_base, declared_attr
-from sqlalchemy.orm import backref, relationship
+from sqlalchemy.orm import relationship

 from openlp.core.lib.db import Manager, init_db, init_url
 from openlp.core.lib.projector.constants import PJLINK_DEFAULT_CODES

-metadata = MetaData()
-Base = declarative_base(metadata)
+Base = declarative_base(MetaData())


 class CommonBase(object):
@ -54,8 +53,8 @@ class CommonBase(object):
    Base class to automate table name and ID column.
    """
    @declared_attr
-    def __tablename__(cls):
-        return cls.__name__.lower()
+    def __tablename__(self):
+        return self.__name__.lower()

    id = Column(Integer, primary_key=True)

@ -257,7 +256,7 @@ class ProjectorDB(Manager):
        projector = self.get_object_filtered(Projector, Projector.id == dbid)
        if projector is None:
            # Not found
-            log.warn('get_projector_by_id() did not find {data}'.format(data=id))
+            log.warning('get_projector_by_id() did not find {data}'.format(data=id))
            return None
        log.debug('get_projectorby_id() returning 1 entry for "{entry}" id="{data}"'.format(entry=dbid,
                                                                                            data=projector.id))
@ -290,7 +289,7 @@ class ProjectorDB(Manager):
        projector = self.get_object_filtered(Projector, Projector.ip == ip)
        if projector is None:
            # Not found
-            log.warn('get_projector_by_ip() did not find {ip}'.format(ip=ip))
+            log.warning('get_projector_by_ip() did not find {ip}'.format(ip=ip))
            return None
        log.debug('get_projectorby_ip() returning 1 entry for "{ip}" id="{data}"'.format(ip=ip,
                                                                                         data=projector.id))
@ -307,7 +306,7 @@ class ProjectorDB(Manager):
        projector = self.get_object_filtered(Projector, Projector.name == name)
        if projector is None:
            # Not found
-            log.warn('get_projector_by_name() did not find "{name}"'.format(name=name))
+            log.warning('get_projector_by_name() did not find "{name}"'.format(name=name))
            return None
        log.debug('get_projector_by_name() returning one entry for "{name}" id="{data}"'.format(name=name,
                                                                                                data=projector.id))
@ -324,7 +323,7 @@ class ProjectorDB(Manager):
        """
        old_projector = self.get_object_filtered(Projector, Projector.ip == projector.ip)
        if old_projector is not None:
-            log.warn('add_new() skipping entry ip="{ip}" (Already saved)'.format(ip=old_projector.ip))
+            log.warning('add_new() skipping entry ip="{ip}" (Already saved)'.format(ip=old_projector.ip))
            return False
        log.debug('add_new() saving new entry')
        log.debug('ip="{ip}", name="{name}", location="{location}"'.format(ip=projector.ip,
@ -408,10 +407,10 @@ class ProjectorDB(Manager):
        :param source: ProjectorSource id
        :returns: ProjetorSource instance or None
        """
-        source_entry = self.get_object_filtered(ProjetorSource, ProjectorSource.id == source)
+        source_entry = self.get_object_filtered(ProjectorSource, ProjectorSource.id == source)
        if source_entry is None:
            # Not found
-            log.warn('get_source_by_id() did not find "{source}"'.format(source=source))
+            log.warning('get_source_by_id() did not find "{source}"'.format(source=source))
            return None
        log.debug('get_source_by_id() returning one entry for "{source}""'.format(source=source))
        return source_entry
@ -430,8 +429,8 @@ class ProjectorDB(Manager):

        if source_entry is None:
            # Not found
-            log.warn('get_source_by_id() not found')
-            log.warn('code="{code}" projector_id="{data}"'.format(code=code, data=projector_id))
+            log.warning('get_source_by_id() not found')
+            log.warning('code="{code}" projector_id="{data}"'.format(code=code, data=projector_id))
            return None
        log.debug('get_source_by_id() returning one entry')
        log.debug('code="{code}" projector_id="{data}"'.format(code=code, data=projector_id))
--- a/openlp/core/lib/projector/pjlink1.py
+++ b/openlp/core/lib/projector/pjlink1.py
@ -48,7 +48,7 @@ from codecs import decode

 from PyQt5 import QtCore, QtNetwork

-from openlp.core.common import translate, md5_hash
+from openlp.core.common import translate, qmd5_hash
 from openlp.core.lib.projector.constants import *

 # Shortcuts
@ -312,10 +312,10 @@ class PJLink1(QtNetwork.QTcpSocket):
            read = self.readLine(self.max_size)
            dontcare = self.readLine(self.max_size)  # Clean out the trailing \r\n
            if read is None:
-                log.warn('({ip}) read is None - socket error?'.format(ip=self.ip))
+                log.warning('({ip}) read is None - socket error?'.format(ip=self.ip))
                return
            elif len(read) < 8:
-                log.warn('({ip}) Not enough data read)'.format(ip=self.ip))
+                log.warning('({ip}) Not enough data read)'.format(ip=self.ip))
                return
            data = decode(read, 'ascii')
            # Possibility of extraneous data on input when reading.
@ -364,14 +364,15 @@ class PJLink1(QtNetwork.QTcpSocket):
            else:
                log.debug('({ip}) Setting hash with salt="{data}"'.format(ip=self.ip, data=data_check[2]))
                log.debug('({ip}) pin="{data}"'.format(ip=self.ip, data=self.pin))
-                salt = md5_hash(salt=data_check[2].encode('ascii'), data=self.pin.encode('ascii'))
+                data_hash = str(qmd5_hash(salt=data_check[2].encode('utf-8'), data=self.pin.encode('utf-8')),
+                                encoding='ascii')
        else:
-            salt = None
-        # We're connected at this point, so go ahead and do regular I/O
+            data_hash = None
+        # We're connected at this point, so go ahead and setup regular I/O
        self.readyRead.connect(self.get_data)
        self.projectorReceivedData.connect(self._send_command)
        # Initial data we should know about
-        self.send_command(cmd='CLSS', salt=salt)
+        self.send_command(cmd='CLSS', salt=data_hash)
        self.waitForReadyRead()
        if (not self.no_poll) and (self.state() == self.ConnectedState):
            log.debug('({ip}) Starting timer'.format(ip=self.ip))
@ -413,7 +414,7 @@ class PJLink1(QtNetwork.QTcpSocket):
            self.projectorReceivedData.emit()
            return
        elif '=' not in data:
-            log.warn('({ip}) get_data(): Invalid packet received'.format(ip=self.ip))
+            log.warning('({ip}) get_data(): Invalid packet received'.format(ip=self.ip))
            self.send_busy = False
            self.projectorReceivedData.emit()
            return
@ -421,15 +422,15 @@ class PJLink1(QtNetwork.QTcpSocket):
        try:
            (prefix, class_, cmd, data) = (data_split[0][0], data_split[0][1], data_split[0][2:], data_split[1])
        except ValueError as e:
-            log.warn('({ip}) get_data(): Invalid packet - expected header + command + data'.format(ip=self.ip))
-            log.warn('({ip}) get_data(): Received data: "{data}"'.format(ip=self.ip, data=data_in.strip()))
+            log.warning('({ip}) get_data(): Invalid packet - expected header + command + data'.format(ip=self.ip))
+            log.warning('({ip}) get_data(): Received data: "{data}"'.format(ip=self.ip, data=data_in.strip()))
            self.change_status(E_INVALID_DATA)
            self.send_busy = False
            self.projectorReceivedData.emit()
            return

        if not (self.pjlink_class in PJLINK_VALID_CMD and cmd in PJLINK_VALID_CMD[self.pjlink_class]):
-            log.warn('({ip}) get_data(): Invalid packet - unknown command "{data}"'.format(ip=self.ip, data=cmd))
+            log.warning('({ip}) get_data(): Invalid packet - unknown command "{data}"'.format(ip=self.ip, data=cmd))
            self.send_busy = False
            self.projectorReceivedData.emit()
            return
@ -607,7 +608,7 @@ class PJLink1(QtNetwork.QTcpSocket):
                fill = {'Hours': int(data_dict[0]), 'On': False if data_dict[1] == '0' else True}
            except ValueError:
                # In case of invalid entry
-                log.warn('({ip}) process_lamp(): Invalid data "{data}"'.format(ip=self.ip, data=data))
+                log.warning('({ip}) process_lamp(): Invalid data "{data}"'.format(ip=self.ip, data=data))
                return
            lamps.append(fill)
            data_dict.pop(0)  # Remove lamp hours
@ -634,7 +635,7 @@ class PJLink1(QtNetwork.QTcpSocket):
                    self.send_command('INST')
        else:
            # Log unknown status response
-            log.warn('({ip}) Unknown power response: {data}'.format(ip=self.ip, data=data))
+            log.warning('({ip}) Unknown power response: {data}'.format(ip=self.ip, data=data))
        return

    def process_avmt(self, data):
@ -659,7 +660,7 @@ class PJLink1(QtNetwork.QTcpSocket):
            shutter = True
            mute = True
        else:
-            log.warn('({ip}) Unknown shutter response: {data}'.format(ip=self.ip, data=data))
+            log.warning('({ip}) Unknown shutter response: {data}'.format(ip=self.ip, data=data))
        update_icons = shutter != self.shutter
        update_icons = update_icons or mute != self.mute
        self.shutter = shutter
@ -808,7 +809,7 @@ class PJLink1(QtNetwork.QTcpSocket):
        Initiate connection to projector.
        """
        if self.state() == self.ConnectedState:
-            log.warn('({ip}) connect_to_host(): Already connected - returning'.format(ip=self.ip))
+            log.warning('({ip}) connect_to_host(): Already connected - returning'.format(ip=self.ip))
            return
        self.change_status(S_CONNECTING)
        self.connectToHost(self.ip, self.port if isinstance(self.port, int) else int(self.port))
@ -820,9 +821,9 @@ class PJLink1(QtNetwork.QTcpSocket):
        """
        if abort or self.state() != self.ConnectedState:
            if abort:
-                log.warn('({ip}) disconnect_from_host(): Aborting connection'.format(ip=self.ip))
+                log.warning('({ip}) disconnect_from_host(): Aborting connection'.format(ip=self.ip))
            else:
-                log.warn('({ip}) disconnect_from_host(): Not connected - returning'.format(ip=self.ip))
+                log.warning('({ip}) disconnect_from_host(): Not connected - returning'.format(ip=self.ip))
            self.reset_information()
        self.disconnectFromHost()
        try:
--- a/openlp/core/lib/renderer.py
+++ b/openlp/core/lib/renderer.py
@ -531,7 +531,7 @@ def words_split(line):
    :param line: Line to be split
    """
    # this parse we are to be wordy
-    return re.split('\s+', line)
+    return re.split(r'\s+', line)


 def get_start_tags(raw_text):
--- a/openlp/core/lib/serviceitem.py
+++ b/openlp/core/lib/serviceitem.py
@ -34,7 +34,7 @@ import ntpath
 from PyQt5 import QtGui

 from openlp.core.common import RegistryProperties, Settings, translate, AppLocation, md5_hash
-from openlp.core.lib import ImageSource, build_icon, clean_tags, expand_tags, create_thumb
+from openlp.core.lib import ImageSource, build_icon, clean_tags, expand_tags

 log = logging.getLogger(__name__)

--- a/openlp/core/lib/theme.py
+++ b/openlp/core/lib/theme.py
@ -23,7 +23,6 @@
 Provide the theme XML and handling functions for OpenLP v2 themes.
 """
 import os
-import re
 import logging
 import json

@ -165,6 +164,7 @@ class ThemeXML(object):
        jsn = get_text_file_string(json_file)
        jsn = json.loads(jsn)
        self.expand_json(jsn)
+        self.background_filename = None

    def expand_json(self, var, prev=None):
        """
@ -477,12 +477,12 @@ class ThemeXML(object):
        if element == 'weight':
            element = 'bold'
            if value == 'Normal':
-                value = False
+                ret_value = False
            else:
-                value = True
+                ret_value = True
        if element == 'proportion':
            element = 'size'
-        return False, master, element, value
+        return False, master, element, ret_value

    def _create_attr(self, master, element, value):
        """
--- a/openlp/core/lib/webpagereader.py
+++ b/openlp/core/lib/webpagereader.py
@ -179,5 +179,4 @@ def get_web_page(url, header=None, update_openlp=False):
    return page


-__all__ = ['get_application_version', 'check_latest_version',
-           'get_web_page']
+__all__ = ['get_web_page']
--- a/openlp/core/ui/exceptionform.py
+++ b/openlp/core/ui/exceptionform.py
@ -32,8 +32,6 @@ import sqlalchemy
 from PyQt5 import Qt, QtCore, QtGui, QtWebKit, QtWidgets
 from lxml import etree

-from openlp.core.common import RegistryProperties, is_linux
-
 try:
    import migrate
    MIGRATE_VERSION = getattr(migrate, '__version__', '< 0.7')
@ -74,6 +72,7 @@ except ImportError:

 from openlp.core.common import Settings, UiStrings, translate
 from openlp.core.common.versionchecker import get_application_version
+from openlp.core.common import RegistryProperties, is_linux

 from .exceptiondialog import Ui_ExceptionDialog

--- a/openlp/core/ui/firsttimeform.py
+++ b/openlp/core/ui/firsttimeform.py
@ -666,14 +666,14 @@ class FirstTimeForm(QtWidgets.QWizard, UiFirstTimeWizard, RegistryProperties):
        if missed_files:
            file_list = ''
            for entry in missed_files:
-                file_list += '{text}<br \>'.format(text=entry)
+                file_list += '{text}<br \\>'.format(text=entry)
            msg = QtWidgets.QMessageBox()
            msg.setIcon(QtWidgets.QMessageBox.Warning)
            msg.setWindowTitle(translate('OpenLP.FirstTimeWizard', 'Network Error'))
            msg.setText(translate('OpenLP.FirstTimeWizard', 'Unable to download some files'))
            msg.setInformativeText(translate('OpenLP.FirstTimeWizard',
                                             'The following files were not able to be '
-                                             'downloaded:<br \>{text}'.format(text=file_list)))
+                                             'downloaded:<br \\>{text}'.format(text=file_list)))
            msg.setStandardButtons(msg.Ok)
            ans = msg.exec()
        return True
--- a/openlp/core/ui/formattingtagcontroller.py
+++ b/openlp/core/ui/formattingtagcontroller.py
@ -84,7 +84,7 @@ class FormattingTagController(object):
            'desc': desc,
            'start tag': '{{{tag}}}'.format(tag=tag),
            'start html': start_html,
-            'end tag': '{/{tag}}}'.format(tag=tag),
+            'end tag': '{{{tag}}}'.format(tag=tag),
            'end html': end_html,
            'protected': False,
            'temporary': False
--- a/openlp/core/ui/lib/spelltextedit.py
+++ b/openlp/core/ui/lib/spelltextedit.py
@ -164,7 +164,7 @@ class Highlighter(QtGui.QSyntaxHighlighter):
    """
    Provides a text highlighter for pointing out spelling errors in text.
    """
-    WORDS = '(?iu)[\w\']+'
+    WORDS = r'(?iu)[\w\']+'

    def __init__(self, *args):
        """
--- a/openlp/core/ui/maindisplay.py
+++ b/openlp/core/ui/maindisplay.py
@ -33,7 +33,7 @@ import html
 import logging
 import os

-from PyQt5 import QtCore, QtWidgets, QtWebKit, QtWebKitWidgets, QtOpenGL, QtGui, QtMultimedia
+from PyQt5 import QtCore, QtWidgets, QtWebKit, QtWebKitWidgets, QtGui, QtMultimedia

 from openlp.core.common import AppLocation, Registry, RegistryProperties, OpenLPMixin, Settings, translate,\
    is_macosx, is_win
@ -468,9 +468,9 @@ class MainDisplay(OpenLPMixin, Display, RegistryProperties):
                    self.service_item.theme_data.background_filename, ImageSource.Theme)
            if image_path:
                image_bytes = self.image_manager.get_image_bytes(image_path, ImageSource.ImagePlugin)
-        html = build_html(self.service_item, self.screen, self.is_live, background, image_bytes,
-                          plugins=self.plugin_manager.plugins)
-        self.web_view.setHtml(html)
+        created_html = build_html(self.service_item, self.screen, self.is_live, background, image_bytes,
+                                  plugins=self.plugin_manager.plugins)
+        self.web_view.setHtml(created_html)
        if service_item.foot_text:
            self.footer(service_item.foot_text)
        # if was hidden keep it hidden
--- a/openlp/core/ui/mainwindow.py
+++ b/openlp/core/ui/mainwindow.py
@ -46,7 +46,6 @@ from openlp.core.ui.firsttimeform import FirstTimeForm
 from openlp.core.ui.media import MediaController
 from openlp.core.ui.printserviceform import PrintServiceForm
 from openlp.core.ui.projector.manager import ProjectorManager
-from openlp.core.ui.lib.toolbar import OpenLPToolbar
 from openlp.core.ui.lib.dockwidget import OpenLPDockWidget
 from openlp.core.ui.lib.mediadockmanager import MediaDockManager

--- a/openlp/core/ui/media/init.py
+++ b/openlp/core/ui/media/init.py
@ -24,10 +24,10 @@ The :mod:`~openlp.core.ui.media` module contains classes and objects for media p
 """
 import logging

-from openlp.core.common import Settings
-
 from PyQt5 import QtCore

+from openlp.core.common import Settings
+
 log = logging.getLogger(__name__ + '.__init__')


--- a/openlp/core/ui/media/mediacontroller.py
+++ b/openlp/core/ui/media/mediacontroller.py
@ -38,7 +38,6 @@ 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.lib.toolbar import OpenLPToolbar
-from openlp.core.ui.lib.dockwidget import OpenLPDockWidget

 log = logging.getLogger(__name__)

@ -175,7 +174,7 @@ class MediaController(RegistryMixin, OpenLPMixin, RegistryProperties):
        log.debug('_check_available_media_players')
        controller_dir = os.path.join(AppLocation.get_directory(AppLocation.AppDir), 'core', 'ui', 'media')
        for filename in os.listdir(controller_dir):
-            if filename.endswith('player.py') and not filename == 'mediaplayer.py':
+            if filename.endswith('player.py') and filename != 'mediaplayer.py':
                path = os.path.join(controller_dir, filename)
                if os.path.isfile(path):
                    module_name = 'openlp.core.ui.media.' + os.path.splitext(filename)[0]
@ -554,7 +553,7 @@ class MediaController(RegistryMixin, OpenLPMixin, RegistryProperties):
        default_player = [used_players[0]]
        if service_item.processor and service_item.processor != UiStrings().Automatic:
            # check to see if the player is usable else use the default one.
-            if not service_item.processor.lower() in used_players:
+            if service_item.processor.lower() not in used_players:
                used_players = default_player
            else:
                used_players = [service_item.processor.lower()]
--- a/openlp/core/ui/media/playertab.py
+++ b/openlp/core/ui/media/playertab.py
@ -224,9 +224,11 @@ class PlayerTab(SettingsTab):
            self.settings_form.register_post_process('mediaitem_media_rebuild')
            self.settings_form.register_post_process('config_screen_changed')

-    def post_set_up(self):
+    def post_set_up(self, post_update=False):
        """
        Late setup for players as the MediaController has to be initialised first.
+
+        :param post_update: Indicates if called before or after updates.
        """
        for key, player in self.media_players.items():
            player = self.media_players[key]
--- a/openlp/core/ui/media/vlcplayer.py
+++ b/openlp/core/ui/media/vlcplayer.py
@ -112,7 +112,6 @@ def get_vlc():
 # This needs to happen on module load and not in get_vlc(), otherwise it can cause crashes on some DE on some setups
 # (reported on Gnome3, Unity, Cinnamon, all GTK+ based) when using native filedialogs...
 if is_linux() and 'nose' not in sys.argv[0] and get_vlc():
-    import ctypes
    try:
        try:
            x11 = ctypes.cdll.LoadLibrary('libX11.so.6')
@ -233,7 +232,7 @@ class VlcPlayer(MediaPlayer):
        """
        vlc = get_vlc()
        start = datetime.now()
-        while not media_state == display.vlc_media.get_state():
+        while media_state != display.vlc_media.get_state():
            if display.vlc_media.get_state() == vlc.State.Error:
                return False
            self.application.process_events()
--- a/openlp/core/ui/media/webkitplayer.py
+++ b/openlp/core/ui/media/webkitplayer.py
@ -22,10 +22,10 @@
 """
 The :mod:`~openlp.core.ui.media.webkit` module contains our WebKit video player
 """
-from PyQt5 import QtGui, QtWebKitWidgets
-
 import logging

+from PyQt5 import QtGui, QtWebKitWidgets
+
 from openlp.core.common import Settings
 from openlp.core.lib import translate
 from openlp.core.ui.media import MediaState
--- a/openlp/core/ui/projector/sourceselectform.py
+++ b/openlp/core/ui/projector/sourceselectform.py
@ -139,23 +139,23 @@ def build_tab(group, source_key, default, projector, projectordb, edit=False):
    return widget, button_count, buttonchecked


-def set_button_tooltip(bar):
+def set_button_tooltip(button_bar):
    """
    Set the toolip for the standard buttons used

-    :param bar: QDialogButtonBar instance to update
+    :param button_bar: QDialogButtonBar instance to update
    """
-    for button in bar.buttons():
-        if bar.standardButton(button) == QtWidgets.QDialogButtonBox.Cancel:
+    for button in button_bar.buttons():
+        if button_bar.standardButton(button) == QtWidgets.QDialogButtonBox.Cancel:
            button.setToolTip(translate('OpenLP.SourceSelectForm',
                                        'Ignoring current changes and return to OpenLP'))
-        elif bar.standardButton(button) == QtWidgets.QDialogButtonBox.Reset:
+        elif button_bar.standardButton(button) == QtWidgets.QDialogButtonBox.Reset:
            button.setToolTip(translate('OpenLP.SourceSelectForm',
                                        'Delete all user-defined text and revert to PJLink default text'))
-        elif bar.standardButton(button) == QtWidgets.QDialogButtonBox.Discard:
+        elif button_bar.standardButton(button) == QtWidgets.QDialogButtonBox.Discard:
            button.setToolTip(translate('OpenLP.SourceSelectForm',
                                        'Discard changes and reset to previous user-defined text'))
-        elif bar.standardButton(button) == QtWidgets.QDialogButtonBox.Ok:
+        elif button_bar.standardButton(button) == QtWidgets.QDialogButtonBox.Ok:
            button.setToolTip(translate('OpenLP.SourceSelectForm',
                                        'Save changes and return to OpenLP'))
        else:
--- a/openlp/core/ui/projector/tab.py
+++ b/openlp/core/ui/projector/tab.py
@ -133,7 +133,7 @@ class ProjectorTab(SettingsTab):
        settings.setValue('socket timeout', self.socket_timeout_spin_box.value())
        settings.setValue('poll time', self.socket_poll_spin_box.value())
        settings.setValue('source dialog type', self.dialog_type_combo_box.currentIndex())
-        settings.endGroup
+        settings.endGroup()

    def on_dialog_type_combo_box_changed(self):
        self.dialog_type = self.dialog_type_combo_box.currentIndex()
--- a/openlp/core/ui/servicemanager.py
+++ b/openlp/core/ui/servicemanager.py
@ -480,9 +480,10 @@ class ServiceManager(OpenLPMixin, RegistryMixin, QtWidgets.QWidget, Ui_ServiceMa
        :return: service array
        """
        service = []
-        core = {'lite-service': self._save_lite,
-                'service-theme': self.service_theme
-                }
+        core = {
+            'lite-service': self._save_lite,
+            'service-theme': self.service_theme
+        }
        service.append({'openlp_core': core})
        return service

@ -597,7 +598,7 @@ class ServiceManager(OpenLPMixin, RegistryMixin, QtWidgets.QWidget, Ui_ServiceMa
        if success:
            try:
                shutil.copy(temp_file_name, path_file_name)
-            except shutil.Error:
+            except (shutil.Error, PermissionError):
                return self.save_file_as()
            except OSError as ose:
                QtWidgets.QMessageBox.critical(self, translate('OpenLP.ServiceManager', 'Error Saving File'),
@ -658,7 +659,7 @@ class ServiceManager(OpenLPMixin, RegistryMixin, QtWidgets.QWidget, Ui_ServiceMa
        if success:
            try:
                shutil.copy(temp_file_name, path_file_name)
-            except shutil.Error:
+            except (shutil.Error, PermissionError):
                return self.save_file_as()
            self.main_window.add_recent_file(path_file_name)
            self.set_modified(False)
@ -774,7 +775,7 @@ class ServiceManager(OpenLPMixin, RegistryMixin, QtWidgets.QWidget, Ui_ServiceMa
            else:
                critical_error_message_box(message=translate('OpenLP.ServiceManager', 'File is not a valid service.'))
                self.log_error('File contains no service data')
-        except (IOError, NameError, zipfile.BadZipfile):
+        except (IOError, NameError):
            self.log_exception('Problem loading service file {name}'.format(name=file_name))
            critical_error_message_box(message=translate('OpenLP.ServiceManager',
                                       'File could not be opened because it is corrupt.'))
@ -1327,7 +1328,7 @@ class ServiceManager(OpenLPMixin, RegistryMixin, QtWidgets.QWidget, Ui_ServiceMa
        """
        The theme may have changed in the settings dialog so make sure the theme combo box is in the correct state.
        """
-        visible = not self.renderer.theme_level == ThemeLevel.Global
+        visible = self.renderer.theme_level != ThemeLevel.Global
        self.toolbar.actions['theme_combo_box'].setVisible(visible)
        self.toolbar.actions['theme_label'].setVisible(visible)
        self.regenerate_service_items()
--- a/openlp/core/ui/slidecontroller.py
+++ b/openlp/core/ui/slidecontroller.py
@ -37,7 +37,6 @@ from openlp.core.lib import ItemCapabilities, ServiceItem, ImageSource, ServiceI
    build_html
 from openlp.core.lib.ui import create_action
 from openlp.core.ui.lib.toolbar import OpenLPToolbar
-from openlp.core.ui.lib.dockwidget import OpenLPDockWidget
 from openlp.core.ui.lib.listpreviewwidget import ListPreviewWidget
 from openlp.core.ui import HideMode, MainDisplay, Display, DisplayControllerType

--- a/openlp/core/ui/themeform.py
+++ b/openlp/core/ui/themeform.py
@ -249,7 +249,7 @@ class ThemeForm(QtWidgets.QWizard, Ui_ThemeWizard, RegistryProperties):
        NOTE the font_main_override is the inverse of the check box value
        """
        if self.update_theme_allowed:
-            self.theme.font_main_override = not (value == QtCore.Qt.Checked)
+            self.theme.font_main_override = (value != QtCore.Qt.Checked)

    def on_footer_position_check_box_state_changed(self, value):
        """
@ -257,7 +257,7 @@ class ThemeForm(QtWidgets.QWizard, Ui_ThemeWizard, RegistryProperties):
        NOTE the font_footer_override is the inverse of the check box value
        """
        if self.update_theme_allowed:
-            self.theme.font_footer_override = not (value == QtCore.Qt.Checked)
+            self.theme.font_footer_override = (value != QtCore.Qt.Checked)

    def exec(self, edit=False):
        """
--- a/openlp/core/ui/thememanager.py
+++ b/openlp/core/ui/thememanager.py
@ -583,7 +583,7 @@ class ThemeManager(OpenLPMixin, RegistryMixin, QtWidgets.QWidget, Ui_ThemeManage
                    out_file.write(theme_zip.read(name))
                out_file.close()
        except (IOError, zipfile.BadZipfile):
-            self.log_exception('Importing theme from zip failed {name|'.format(name=file_name))
+            self.log_exception('Importing theme from zip failed {name}'.format(name=file_name))
            raise ValidationError
        except ValidationError:
            critical_error_message_box(translate('OpenLP.ThemeManager', 'Validation Error'),
--- a/openlp/plugins/bibles/lib/manager.py
+++ b/openlp/plugins/bibles/lib/manager.py
@ -370,7 +370,7 @@ class BibleManager(RegistryProperties):
        """
        log.debug('save_meta data {bible}, {version}, {copyright}, {perms}'.format(bible=bible,
                                                                                   version=version,
-                                                                                   cr=copyright,
+                                                                                   copyright=copyright,
                                                                                   perms=permissions))
        self.db_cache[bible].save_meta('name', version)
        self.db_cache[bible].save_meta('copyright', copyright)
--- a/openlp/plugins/bibles/lib/opensong.py
+++ b/openlp/plugins/bibles/lib/opensong.py
@ -117,7 +117,7 @@ class OpenSongBible(BibleDB):
                                if len(verse_parts) > 1:
                                    number = int(verse_parts[0])
                            except TypeError:
-                                log.warning('Illegal verse number: {verse:d}'.format(verse.attrib['n']))
+                                log.warning('Illegal verse number: {verse:d}'.format(verse=verse.attrib['n']))
                            verse_number = number
                        else:
                            verse_number += 1
--- a/openlp/plugins/bibles/lib/osis.py
+++ b/openlp/plugins/bibles/lib/osis.py
@ -126,8 +126,6 @@ class OSISBible(BibleDB):
                # Remove div-tags in the book
                etree.strip_tags(book, ('{http://www.bibletechnologies.net/2003/OSIS/namespace}div'))
                book_ref_id = self.get_book_ref_id_by_name(book.get('osisID'), num_books, language_id)
-                if not book_ref_id:
-                    book_ref_id = self.get_book_ref_id_by_localised_name(book.get('osisID'))
                if not book_ref_id:
                    log.error('Importing books from "{name}" failed'.format(name=self.filename))
                    return False
--- a/openlp/plugins/bibles/lib/zefania.py
+++ b/openlp/plugins/bibles/lib/zefania.py
@ -86,8 +86,6 @@ class ZefaniaBible(BibleDB):
                    continue
                if bname:
                    book_ref_id = self.get_book_ref_id_by_name(bname, num_books, language_id)
-                    if not book_ref_id:
-                        book_ref_id = self.get_book_ref_id_by_localised_name(bname)
                else:
                    log.debug('Could not find a name, will use number, basically a guess.')
                    book_ref_id = int(bnumber)
--- a/openlp/plugins/presentations/lib/messagelistener.py
+++ b/openlp/plugins/presentations/lib/messagelistener.py
@ -28,7 +28,7 @@ from PyQt5 import QtCore

 from openlp.core.common import Registry
 from openlp.core.ui import HideMode
-from openlp.core.lib import ServiceItemContext, ServiceItem
+from openlp.core.lib import ServiceItemContext
 from openlp.plugins.presentations.lib.pdfcontroller import PDF_CONTROLLER_FILETYPES

 log = logging.getLogger(__name__)
--- a/openlp/plugins/presentations/lib/pdfcontroller.py
+++ b/openlp/plugins/presentations/lib/pdfcontroller.py
@ -80,7 +80,7 @@ class PdfController(PresentationController):
            found_mutool = re.search('usage: mutool.*', decoded_line, re.IGNORECASE)
            if found_mutool:
                # Test that mutool contains mudraw
-                if re.search('draw\s+--\s+convert document.*', runlog.decode(), re.IGNORECASE | re.MULTILINE):
+                if re.search(r'draw\s+--\s+convert document.*', runlog.decode(), re.IGNORECASE | re.MULTILINE):
                    program_type = 'mutool'
                    break
            found_gs = re.search('GPL Ghostscript.*', decoded_line, re.IGNORECASE)
@ -215,8 +215,8 @@ class PdfDocument(PresentationDocument):
        height = 0.0
        for line in runlog.splitlines():
            try:
-                width = float(re.search('.*Size: x: (\d+\.?\d*), y: \d+.*', line.decode()).group(1))
-                height = float(re.search('.*Size: x: \d+\.?\d*, y: (\d+\.?\d*).*', line.decode()).group(1))
+                width = float(re.search(r'.*Size: x: (\d+\.?\d*), y: \d+.*', line.decode()).group(1))
+                height = float(re.search(r'.*Size: x: \d+\.?\d*, y: (\d+\.?\d*).*', line.decode()).group(1))
                break
            except AttributeError:
                continue
--- a/openlp/plugins/presentations/lib/pptviewcontroller.py
+++ b/openlp/plugins/presentations/lib/pptviewcontroller.py
@ -181,13 +181,13 @@ class PptviewDocument(PresentationDocument):
                    index = -1
                    list_to_add = None
                    # check if it is a slide
-                    match = re.search("slides/slide(.+)\.xml", zip_info.filename)
+                    match = re.search(r'slides/slide(.+)\.xml', zip_info.filename)
                    if match:
                        index = int(match.group(1)) - 1
                        node_type = 'ctrTitle'
                        list_to_add = titles
                    # or a note
-                    match = re.search("notesSlides/notesSlide(.+)\.xml", zip_info.filename)
+                    match = re.search(r'notesSlides/notesSlide(.+)\.xml', zip_info.filename)
                    if match:
                        index = int(match.group(1)) - 1
                        node_type = 'body'
--- a/openlp/plugins/presentations/presentationplugin.py
+++ b/openlp/plugins/presentations/presentationplugin.py
@ -124,7 +124,7 @@ class PresentationPlugin(Plugin):
        log.debug('check_pre_conditions')
        controller_dir = os.path.join(AppLocation.get_directory(AppLocation.PluginsDir), 'presentations', 'lib')
        for filename in os.listdir(controller_dir):
-            if filename.endswith('controller.py') and not filename == 'presentationcontroller.py':
+            if filename.endswith('controller.py') and filename != 'presentationcontroller.py':
                path = os.path.join(controller_dir, filename)
                if os.path.isfile(path):
                    module_name = 'openlp.plugins.presentations.lib.' + os.path.splitext(filename)[0]
--- a/openlp/plugins/songs/lib/importers/cclifile.py
+++ b/openlp/plugins/songs/lib/importers/cclifile.py
@ -255,6 +255,7 @@ class CCLIFileImport(SongImport):
        song_author = ''
        verse_start = False
        for line in text_list:
+            verse_type = 'v'
            clean_line = line.strip()
            if not clean_line:
                if line_number == 0:
--- a/openlp/plugins/songs/lib/importers/dreambeam.py
+++ b/openlp/plugins/songs/lib/importers/dreambeam.py
@ -124,8 +124,8 @@ class DreamBeamImport(SongImport):
                    if hasattr(song_xml, 'Sequence'):
                        for lyrics_sequence_item in (song_xml.Sequence.iterchildren()):
                            item = lyrics_sequence_item.get('Type')[:1]
-                            self.verse_order_list.append("{item}{number}".format(item=item),
-                                                         lyrics_sequence_item.get('Number'))
+                            number = lyrics_sequence_item.get('Number')
+                            self.verse_order_list.append("{item}{number}".format(item=item, number=number))
                    if hasattr(song_xml, 'Notes'):
                        self.comments = str(song_xml.Notes.text)
                else:
--- a/openlp/plugins/songs/lib/importers/easyworship.py
+++ b/openlp/plugins/songs/lib/importers/easyworship.py
@ -27,6 +27,7 @@ import os
 import struct
 import re
 import zlib
+import logging

 from openlp.core.lib import translate
 from openlp.plugins.songs.lib import VerseType
@ -38,6 +39,8 @@ SLIDE_BREAK_REGEX = re.compile(r'\n *?\n[\n ]*')
 NUMBER_REGEX = re.compile(r'[0-9]+')
 NOTE_REGEX = re.compile(r'\(.*?\)')

+log = logging.getLogger(__name__)
+

 class FieldDescEntry:
    def __init__(self, name, field_type, size):
--- a/openlp/plugins/songs/lib/importers/openlyrics.py
+++ b/openlp/plugins/songs/lib/importers/openlyrics.py
@ -67,7 +67,7 @@ class OpenLyricsImport(SongImport):
                xml = etree.tostring(parsed_file).decode()
                self.open_lyrics.xml_to_song(xml)
            except etree.XMLSyntaxError:
-                log.exception('XML syntax error in file {path}'.format(file_path))
+                log.exception('XML syntax error in file {path}'.format(path=file_path))
                self.log_error(file_path, SongStrings.XMLSyntaxError)
            except OpenLyricsError as exception:
                log.exception('OpenLyricsException {error:d} in file {name}: {text}'.format(error=exception.type,
--- a/openlp/plugins/songs/lib/importers/presentationmanager.py
+++ b/openlp/plugins/songs/lib/importers/presentationmanager.py
@ -30,6 +30,7 @@ import re
 import chardet
 from lxml import objectify, etree

+from openlp.core.common import translate
 from openlp.core.ui.lib.wizard import WizardStrings
 from .songimport import SongImport

--- a/379
+++ b/379
@ -0,0 +1,379 @@
+[MASTER]
+
+# Specify a configuration file.
+#rcfile=
+
+# Python code to execute, usually for sys.path manipulation such as
+# pygtk.require().
+#init-hook=
+
+# Add files or directories to the blacklist. They should be base names, not
+# paths.
+ignore=vlc.py
+
+# Pickle collected data for later comparisons.
+persistent=yes
+
+# List of plugins (as comma separated values of python modules names) to load,
+# usually to register additional checkers.
+load-plugins=
+
+# Use multiple processes to speed up Pylint.
+#jobs=4
+
+# Allow loading of arbitrary C extensions. Extensions are imported into the
+# active Python interpreter and may run arbitrary code.
+unsafe-load-any-extension=no
+
+# A comma-separated list of package or module names from where C extensions may
+# be loaded. Extensions are loading into the active Python interpreter and may
+# run arbitrary code
+extension-pkg-whitelist=
+
+# Allow optimization of some AST trees. This will activate a peephole AST
+# optimizer, which will apply various small optimizations. For instance, it can
+# be used to obtain the result of joining multiple strings with the addition
+# operator. Joining a lot of strings can lead to a maximum recursion error in
+# Pylint and this flag can prevent that. It has one side effect, the resulting
+# AST will be different than the one from reality.
+optimize-ast=no
+
+
+[MESSAGES CONTROL]
+
+# Only show warnings with the listed confidence levels. Leave empty to show
+# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
+confidence=
+
+# Enable the message, report, category or checker with the given id(s). You can
+# either give multiple identifier separated by comma (,) or put this option
+# multiple time. See also the "--disable" option for examples.
+#enable=
+
+# Disable the message, report, category or checker with the given id(s). You
+# can either give multiple identifiers separated by comma (,) or put this
+# option multiple times (only on the command line, not in the configuration
+# file where it should appear only once).You can also use "--disable=all" to
+# disable everything first and then reenable specific checks. For example, if
+# you want to run only the similarities checker, you can use "--disable=all
+# --enable=similarities". If you want to run only the classes checker, but have
+# no Warning level messages displayed, use"--disable=all --enable=classes
+# --disable=W"
+disable=reload-builtin,too-many-locals,no-name-in-module,hex-method,bad-builtin,old-raise-syntax,bad-continuation,reduce-builtin,unicode-builtin,unused-wildcard-import,apply-builtin,no-member,filter-builtin-not-iterating,execfile-builtin,import-star-module-level,input-builtin,duplicate-code,old-division,print-statement,cmp-method,fixme,no-absolute-import,cmp-builtin,no-self-use,too-many-nested-blocks,standarderror-builtin,long-builtin,raising-string,delslice-method,metaclass-assignment,coerce-builtin,old-octal-literal,basestring-builtin,xrange-builtin,line-too-long,suppressed-message,unused-variable,round-builtin,raw_input-builtin,too-many-instance-attributes,unused-argument,next-method-called,oct-method,attribute-defined-outside-init,too-many-public-methods,too-many-statements,logging-format-interpolation,map-builtin-not-iterating,buffer-builtin,parameter-unpacking,range-builtin-not-iterating,intern-builtin,wrong-import-position,coerce-method,useless-suppression,using-cmp-argument,dict-view-method,backtick,old-ne-operator,missing-docstring,setslice-method,access-member-before-definition,long-suffix,too-few-public-methods,file-builtin,zip-builtin-not-iterating,invalid-name,getslice-method,unpacking-in-except,too-many-arguments,dict-iter-method,unichr-builtin,too-many-lines,too-many-branches,wildcard-import,indexing-exception,nonzero-method
+
+
+[REPORTS]
+
+# Set the output format. Available formats are text, parseable, colorized, msvs
+# (visual studio) and html. You can also give a reporter class, eg
+# mypackage.mymodule.MyReporterClass.
+output-format=text
+
+# Put messages in a separate file for each module / package specified on the
+# command line instead of printing them on stdout. Reports (if any) will be
+# written in a file name "pylint_global.[txt|html]".
+files-output=no
+
+# Tells whether to display a full report or only the messages
+reports=no
+
+# Python expression which should return a note less than 10 (10 is the highest
+# note). You have access to the variables errors warning, statement which
+# respectively contain the number of errors / warnings messages and the total
+# number of statements analyzed. This is used by the global evaluation report
+# (RP0004).
+evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
+
+# Template used to display messages. This is a python new-style format string
+# used to format the message information. See doc for all details
+#msg-template=
+
+
+[SPELLING]
+
+# Spelling dictionary name. Available dictionaries: en_ZA (myspell), en_US
+# (myspell), en_GB (myspell), en_AU (myspell), da_DK (myspell), en (aspell),
+# en_CA (aspell).
+spelling-dict=
+
+# List of comma separated words that should not be checked.
+spelling-ignore-words=
+
+# A path to a file that contains private dictionary; one word per line.
+spelling-private-dict-file=
+
+# Tells whether to store unknown words to indicated private dictionary in
+# --spelling-private-dict-file option instead of raising a message.
+spelling-store-unknown-words=no
+
+
+[SIMILARITIES]
+
+# Minimum lines number of a similarity.
+min-similarity-lines=4
+
+# Ignore comments when computing similarities.
+ignore-comments=yes
+
+# Ignore docstrings when computing similarities.
+ignore-docstrings=yes
+
+# Ignore imports when computing similarities.
+ignore-imports=no
+
+
+[LOGGING]
+
+# Logging modules to check that the string format arguments are in logging
+# function parameter format
+logging-modules=logging
+
+
+[BASIC]
+
+# List of builtins function names that should not be used, separated by a comma
+bad-functions=map,filter
+
+# Good variable names which should always be accepted, separated by a comma
+good-names=i,j,k,ex,Run,_
+
+# Bad variable names which should always be refused, separated by a comma
+bad-names=foo,bar,baz,toto,tutu,tata
+
+# Colon-delimited sets of names that determine each other's naming style when
+# the name regexes allow several styles.
+name-group=
+
+# Include a hint for the correct naming format with invalid-name
+include-naming-hint=no
+
+# Regular expression matching correct class attribute names
+class-attribute-rgx=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
+
+# Naming hint for class attribute names
+class-attribute-name-hint=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
+
+# Regular expression matching correct attribute names
+attr-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for attribute names
+attr-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct variable names
+variable-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for variable names
+variable-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct argument names
+argument-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for argument names
+argument-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct function names
+function-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for function names
+function-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct method names
+method-rgx=[a-z_][a-z0-9_]{2,30}$
+
+# Naming hint for method names
+method-name-hint=[a-z_][a-z0-9_]{2,30}$
+
+# Regular expression matching correct class names
+class-rgx=[A-Z_][a-zA-Z0-9]+$
+
+# Naming hint for class names
+class-name-hint=[A-Z_][a-zA-Z0-9]+$
+
+# Regular expression matching correct module names
+module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
+
+# Naming hint for module names
+module-name-hint=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
+
+# Regular expression matching correct inline iteration names
+inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$
+
+# Naming hint for inline iteration names
+inlinevar-name-hint=[A-Za-z_][A-Za-z0-9_]*$
+
+# Regular expression matching correct constant names
+const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__))$
+
+# Naming hint for constant names
+const-name-hint=(([A-Z_][A-Z0-9_]*)|(__.*__))$
+
+# Regular expression which should only match function or class names that do
+# not require a docstring.
+no-docstring-rgx=^_
+
+# Minimum line length for functions/classes that require docstrings, shorter
+# ones are exempt.
+docstring-min-length=-1
+
+
+[ELIF]
+
+# Maximum number of nested blocks for function / method body
+max-nested-blocks=5
+
+
+[FORMAT]
+
+# Maximum number of characters on a single line.
+max-line-length=100
+
+# Regexp for a line that is allowed to be longer than the limit.
+ignore-long-lines=^\s*(# )?<?https?://\S+>?$
+
+# Allow the body of an if to be on the same line as the test if there is no
+# else.
+single-line-if-stmt=no
+
+# List of optional constructs for which whitespace checking is disabled. `dict-
+# separator` is used to allow tabulation in dicts, etc.: {1  : 1,\n222: 2}.
+# `trailing-comma` allows a space between comma and closing bracket: (a, ).
+# `empty-line` allows space-only lines.
+no-space-check=trailing-comma,dict-separator
+
+# Maximum number of lines in a module
+max-module-lines=1000
+
+# String used as indentation unit. This is usually "    " (4 spaces) or "\t" (1
+# tab).
+indent-string='    '
+
+# Number of spaces of indent required inside a hanging  or continued line.
+indent-after-paren=4
+
+# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
+expected-line-ending-format=
+
+
+[MISCELLANEOUS]
+
+# List of note tags to take in consideration, separated by a comma.
+notes=FIXME,XXX,TODO
+
+
+[VARIABLES]
+
+# Tells whether we should check for unused import in __init__ files.
+init-import=no
+
+# A regular expression matching the name of dummy variables (i.e. expectedly
+# not used).
+dummy-variables-rgx=_$|dummy
+
+# List of additional names supposed to be defined in builtins. Remember that
+# you should avoid to define new builtins when possible.
+additional-builtins=
+
+# List of strings which can identify a callback function by name. A callback
+# name must start or end with one of those strings.
+callbacks=cb_,_cb
+
+
+[TYPECHECK]
+
+# Tells whether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+ignore-mixin-members=yes
+
+# List of module names for which member attributes should not be checked
+# (useful for modules/projects where namespaces are manipulated during runtime
+# and thus existing member attributes cannot be deduced by static analysis. It
+# supports qualified module names, as well as Unix pattern matching.
+ignored-modules=
+
+# List of classes names for which member attributes should not be checked
+# (useful for classes with attributes dynamically set). This supports can work
+# with qualified names.
+ignored-classes=
+
+# List of members which are set dynamically and missed by pylint inference
+# system, and so shouldn't trigger E1101 when accessed. Python regular
+# expressions are accepted.
+generated-members=
+
+
+[DESIGN]
+
+# Maximum number of arguments for function / method
+max-args=5
+
+# Argument names that match this expression will be ignored. Default to name
+# with leading underscore
+ignored-argument-names=_.*
+
+# Maximum number of locals for function / method body
+max-locals=15
+
+# Maximum number of return / yield for function / method body
+max-returns=6
+
+# Maximum number of branch for function / method body
+max-branches=12
+
+# Maximum number of statements in function / method body
+max-statements=50
+
+# Maximum number of parents for a class (see R0901).
+max-parents=7
+
+# Maximum number of attributes for a class (see R0902).
+max-attributes=7
+
+# Minimum number of public methods for a class (see R0903).
+min-public-methods=2
+
+# Maximum number of public methods for a class (see R0904).
+max-public-methods=20
+
+# Maximum number of boolean expressions in a if statement
+max-bool-expr=5
+
+
+[IMPORTS]
+
+# Deprecated modules which should not be used, separated by a comma
+deprecated-modules=optparse
+
+# Create a graph of every (i.e. internal and external) dependencies in the
+# given file (report RP0402 must not be disabled)
+import-graph=
+
+# Create a graph of external dependencies in the given file (report RP0402 must
+# not be disabled)
+ext-import-graph=
+
+# Create a graph of internal dependencies in the given file (report RP0402 must
+# not be disabled)
+int-import-graph=
+
+
+[CLASSES]
+
+# List of method names used to declare (i.e. assign) instance attributes.
+defining-attr-methods=__init__,__new__,setUp
+
+# List of valid names for the first argument in a class method.
+valid-classmethod-first-arg=cls
+
+# List of valid names for the first argument in a metaclass class method.
+valid-metaclass-classmethod-first-arg=mcs
+
+# List of member names, which should be excluded from the protected access
+# warning.
+exclude-protected=_asdict,_fields,_replace,_source,_make
+
+
+[EXCEPTIONS]
+
+# Exceptions that will emit a warning when being caught. Defaults to
+# "Exception"
+overgeneral-exceptions=Exception
--- a/tests/functional/openlp_core_common/test_projector_utilities.py
+++ b/tests/functional/openlp_core_common/test_projector_utilities.py
@ -124,7 +124,7 @@ class testProjectorUtilities(TestCase):
        Test MD5 hash from salt+data pass (python)
        """
        # WHEN: Given a known salt+data
-        hash_ = md5_hash(salt=salt.encode('ascii'), data=pin.encode('ascii'))
+        hash_ = md5_hash(salt=salt.encode('utf-8'), data=pin.encode('utf-8'))

        # THEN: Validate return has is same
        self.assertEquals(hash_, test_hash, 'MD5 should have returned a good hash')
@ -134,7 +134,7 @@ class testProjectorUtilities(TestCase):
        Test MD5 hash from salt+data fail (python)
        """
        # WHEN: Given a different salt+hash
-        hash_ = md5_hash(salt=pin.encode('ascii'), data=salt.encode('ascii'))
+        hash_ = md5_hash(salt=pin.encode('utf-8'), data=salt.encode('utf-8'))

        # THEN: return data is different
        self.assertNotEquals(hash_, test_hash, 'MD5 should have returned a bad hash')
@ -144,7 +144,7 @@ class testProjectorUtilities(TestCase):
        Test MD5 hash from salt+data pass (Qt)
        """
        # WHEN: Given a known salt+data
-        hash_ = qmd5_hash(salt=salt.encode('ascii'), data=pin.encode('ascii'))
+        hash_ = qmd5_hash(salt=salt.encode('utf-8'), data=pin.encode('utf-8'))

        # THEN: Validate return has is same
        self.assertEquals(hash_, test_hash, 'Qt-MD5 should have returned a good hash')
@ -154,7 +154,7 @@ class testProjectorUtilities(TestCase):
        Test MD5 hash from salt+hash fail (Qt)
        """
        # WHEN: Given a different salt+hash
-        hash_ = qmd5_hash(salt=pin.encode('ascii'), data=salt.encode('ascii'))
+        hash_ = qmd5_hash(salt=pin.encode('utf-8'), data=salt.encode('utf-8'))

        # THEN: return data is different
        self.assertNotEquals(hash_, test_hash, 'Qt-MD5 should have returned a bad hash')
@ -174,7 +174,7 @@ class testProjectorUtilities(TestCase):
        Test MD5 hash with non-ascii string - bug 1417809
        """
        # WHEN: Non-ascii string is hashed
-        hash_ = md5_hash(salt=test_non_ascii_string.encode('utf-8'), data=None)
+        hash_ = md5_hash(data=test_non_ascii_string.encode('utf-8'))

        # THEN: Valid MD5 hash should be returned
        self.assertEqual(hash_, test_non_ascii_hash, 'Qt-MD5 should have returned a valid hash')
--- a/tests/functional/openlp_core_lib/test_serviceitem.py
+++ b/tests/functional/openlp_core_lib/test_serviceitem.py
@ -112,7 +112,6 @@ class TestServiceItem(TestCase):
        # WHEN: adding an image from a saved Service and mocked exists
        line = convert_file_service_item(TEST_PATH, 'serviceitem_image_1.osj')
        with patch('openlp.core.ui.servicemanager.os.path.exists') as mocked_exists,\
-                patch('openlp.core.lib.serviceitem.create_thumb') as mocked_create_thumb,\
                patch('openlp.core.lib.serviceitem.AppLocation.get_section_data_path') as \
                mocked_get_section_data_path:
            mocked_exists.return_value = True
@ -164,7 +163,6 @@ class TestServiceItem(TestCase):
        line2 = convert_file_service_item(TEST_PATH, 'serviceitem_image_2.osj', 1)

        with patch('openlp.core.ui.servicemanager.os.path.exists') as mocked_exists, \
-                patch('openlp.core.lib.serviceitem.create_thumb') as mocked_create_thumb, \
                patch('openlp.core.lib.serviceitem.AppLocation.get_section_data_path') as \
                mocked_get_section_data_path:
            mocked_exists.return_value = True
--- a/tests/functional/openlp_core_ui/test_servicemanager.py
+++ b/tests/functional/openlp_core_ui/test_servicemanager.py
@ -22,10 +22,12 @@
 """
 Package to test the openlp.core.ui.slidecontroller package.
 """
-import PyQt5
+import os
 from unittest import TestCase

-from openlp.core.common import Registry, ThemeLevel, Settings
+import PyQt5
+
+from openlp.core.common import Registry, ThemeLevel
 from openlp.core.lib import ServiceItem, ServiceItemType, ItemCapabilities
 from openlp.core.ui import ServiceManager

@ -33,6 +35,9 @@ from tests.functional import MagicMock, patch


 class TestServiceManager(TestCase):
+    """
+    Test the service manager
+    """

    def setUp(self):
        """
@ -108,20 +113,20 @@ class TestServiceManager(TestCase):
        # WHEN I define a context menu
        service_manager.context_menu(1)
        # THEN the following calls should have occurred.
-        self.assertEquals(service_manager.edit_action.setVisible.call_count, 1, 'Should have been called once')
-        self.assertEquals(service_manager.rename_action.setVisible.call_count, 1, 'Should have been called once')
-        self.assertEquals(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have been called once')
-        self.assertEquals(service_manager.maintain_action.setVisible.call_count, 1, 'Should have been called once')
-        self.assertEquals(service_manager.notes_action.setVisible.call_count, 1, 'Should have been called once')
-        self.assertEquals(service_manager.time_action.setVisible.call_count, 1, 'Should have been called once')
-        self.assertEquals(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have been called once')
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
-                          'Should have been called once')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.theme_menu.menuAction().setVisible.call_count, 1,
-                          'Should have been called once')
+        self.assertEqual(service_manager.edit_action.setVisible.call_count, 1, 'Should have been called once')
+        self.assertEqual(service_manager.rename_action.setVisible.call_count, 1, 'Should have been called once')
+        self.assertEqual(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have been called once')
+        self.assertEqual(service_manager.maintain_action.setVisible.call_count, 1, 'Should have been called once')
+        self.assertEqual(service_manager.notes_action.setVisible.call_count, 1, 'Should have been called once')
+        self.assertEqual(service_manager.time_action.setVisible.call_count, 1, 'Should have been called once')
+        self.assertEqual(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have been called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
+                         'Should have been called once')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.theme_menu.menuAction().setVisible.call_count, 1,
+                         'Should have been called once')

    def test_build_song_context_menu(self):
        """
@ -139,12 +144,10 @@ class TestServiceManager(TestCase):
        service_manager.service_manager_list = MagicMock()
        service_manager.service_manager_list.itemAt.return_value = item
        service_item = ServiceItem(None)
-        service_item.add_capability(ItemCapabilities.CanEdit)
-        service_item.add_capability(ItemCapabilities.CanPreview)
-        service_item.add_capability(ItemCapabilities.CanLoop)
-        service_item.add_capability(ItemCapabilities.OnLoadUpdate)
-        service_item.add_capability(ItemCapabilities.AddIfNewItem)
-        service_item.add_capability(ItemCapabilities.CanSoftBreak)
+        for capability in [ItemCapabilities.CanEdit, ItemCapabilities.CanPreview, ItemCapabilities.CanLoop,
+                           ItemCapabilities.OnLoadUpdate, ItemCapabilities.AddIfNewItem,
+                           ItemCapabilities.CanSoftBreak]:
+            service_item.add_capability(capability)
        service_item.service_item_type = ServiceItemType.Text
        service_item.edit_id = 1
        service_item._display_frames.append(MagicMock())
@ -165,29 +168,29 @@ class TestServiceManager(TestCase):
        # WHEN I define a context menu
        service_manager.context_menu(1)
        # THEN the following calls should have occurred.
-        self.assertEquals(service_manager.edit_action.setVisible.call_count, 2, 'Should have be called twice')
-        self.assertEquals(service_manager.rename_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.maintain_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.theme_menu.menuAction().setVisible.call_count, 2,
-                          'Should have be called twice')
+        self.assertEqual(service_manager.edit_action.setVisible.call_count, 2, 'Should have be called twice')
+        self.assertEqual(service_manager.rename_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.maintain_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.theme_menu.menuAction().setVisible.call_count, 2,
+                         'Should have be called twice')
        # THEN we add a 2nd display frame
        service_item._display_frames.append(MagicMock())
        service_manager.context_menu(1)
        # THEN the following additional calls should have occurred.
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 2,
-                          'Should have be called twice')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 2,
+                         'Should have be called twice')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 1, 'Should have be called once')

    def test_build_bible_context_menu(self):
        """
@ -205,11 +208,10 @@ class TestServiceManager(TestCase):
        service_manager.service_manager_list = MagicMock()
        service_manager.service_manager_list.itemAt.return_value = item
        service_item = ServiceItem(None)
-        service_item.add_capability(ItemCapabilities.NoLineBreaks)
-        service_item.add_capability(ItemCapabilities.CanPreview)
-        service_item.add_capability(ItemCapabilities.CanLoop)
-        service_item.add_capability(ItemCapabilities.CanWordSplit)
-        service_item.add_capability(ItemCapabilities.CanEditTitle)
+        for capability in [ItemCapabilities.NoLineBreaks, ItemCapabilities.CanPreview,
+                           ItemCapabilities.CanLoop, ItemCapabilities.CanWordSplit,
+                           ItemCapabilities.CanEditTitle]:
+            service_item.add_capability(capability)
        service_item.service_item_type = ServiceItemType.Text
        service_item.edit_id = 1
        service_item._display_frames.append(MagicMock())
@ -230,29 +232,29 @@ class TestServiceManager(TestCase):
        # WHEN I define a context menu
        service_manager.context_menu(1)
        # THEN the following calls should have occurred.
-        self.assertEquals(service_manager.edit_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.rename_action.setVisible.call_count, 2, 'Should have be called twice')
-        self.assertEquals(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.maintain_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.theme_menu.menuAction().setVisible.call_count, 2,
-                          'Should have be called twice')
+        self.assertEqual(service_manager.edit_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.rename_action.setVisible.call_count, 2, 'Should have be called twice')
+        self.assertEqual(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.maintain_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.theme_menu.menuAction().setVisible.call_count, 2,
+                         'Should have be called twice')
        # THEN we add a 2nd display frame
        service_item._display_frames.append(MagicMock())
        service_manager.context_menu(1)
        # THEN the following additional calls should have occurred.
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 2,
-                          'Should have be called twice')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 2,
+                         'Should have be called twice')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 1, 'Should have be called once')

    def test_build_custom_context_menu(self):
        """
@ -295,29 +297,29 @@ class TestServiceManager(TestCase):
        # WHEN I define a context menu
        service_manager.context_menu(1)
        # THEN the following calls should have occurred.
-        self.assertEquals(service_manager.edit_action.setVisible.call_count, 2, 'Should have be called twice')
-        self.assertEquals(service_manager.rename_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.maintain_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.theme_menu.menuAction().setVisible.call_count, 2,
-                          'Should have be called twice')
+        self.assertEqual(service_manager.edit_action.setVisible.call_count, 2, 'Should have be called twice')
+        self.assertEqual(service_manager.rename_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.maintain_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.theme_menu.menuAction().setVisible.call_count, 2,
+                         'Should have be called twice')
        # THEN we add a 2nd display frame
        service_item._display_frames.append(MagicMock())
        service_manager.context_menu(1)
        # THEN the following additional calls should have occurred.
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 2,
-                          'Should have be called twice')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 2,
+                         'Should have be called twice')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 1, 'Should have be called once')

    def test_build_image_context_menu(self):
        """
@ -358,29 +360,29 @@ class TestServiceManager(TestCase):
        # WHEN I define a context menu
        service_manager.context_menu(1)
        # THEN the following calls should have occurred.
-        self.assertEquals(service_manager.edit_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.rename_action.setVisible.call_count, 2, 'Should have be called twice')
-        self.assertEquals(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.maintain_action.setVisible.call_count, 2, 'Should have be called twice')
-        self.assertEquals(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.theme_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
+        self.assertEqual(service_manager.edit_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.rename_action.setVisible.call_count, 2, 'Should have be called twice')
+        self.assertEqual(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.maintain_action.setVisible.call_count, 2, 'Should have be called twice')
+        self.assertEqual(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.theme_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')
        # THEN we add a 2nd display frame and regenerate the menu.
        service_item._raw_frames.append(MagicMock())
        service_manager.context_menu(1)
        # THEN the following additional calls should have occurred.
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 2,
-                          'Should have be called twice')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 2,
+                         'Should have be called twice')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 1, 'Should have be called once')

    def test_build_media_context_menu(self):
        """
@ -419,25 +421,25 @@ class TestServiceManager(TestCase):
        # WHEN I define a context menu
        service_manager.context_menu(1)
        # THEN the following calls should have occurred.
-        self.assertEquals(service_manager.edit_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.rename_action.setVisible.call_count, 2, 'Should have be called twice')
-        self.assertEquals(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.maintain_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_start_action.setVisible.call_count, 2, 'Should have be called twice')
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.theme_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
+        self.assertEqual(service_manager.edit_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.rename_action.setVisible.call_count, 2, 'Should have be called twice')
+        self.assertEqual(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.maintain_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_start_action.setVisible.call_count, 2, 'Should have be called twice')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.theme_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')
        # THEN I change the length of the media and regenerate the menu.
        service_item.set_media_length(5)
        service_manager.context_menu(1)
        # THEN the following additional calls should have occurred.
-        self.assertEquals(service_manager.time_action.setVisible.call_count, 3, 'Should have be called three times')
+        self.assertEqual(service_manager.time_action.setVisible.call_count, 3, 'Should have be called three times')

    def test_build_presentation_pdf_context_menu(self):
        """
@ -477,20 +479,20 @@ class TestServiceManager(TestCase):
        # WHEN I define a context menu
        service_manager.context_menu(1)
        # THEN the following calls should have occurred.
-        self.assertEquals(service_manager.edit_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.rename_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.maintain_action.setVisible.call_count, 2, 'Should have be called twice')
-        self.assertEquals(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.theme_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
+        self.assertEqual(service_manager.edit_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.rename_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.maintain_action.setVisible.call_count, 2, 'Should have be called twice')
+        self.assertEqual(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.theme_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')

    def test_build_presentation_non_pdf_context_menu(self):
        """
@ -527,20 +529,20 @@ class TestServiceManager(TestCase):
        # WHEN I define a context menu
        service_manager.context_menu(1)
        # THEN the following calls should have occurred.
-        self.assertEquals(service_manager.edit_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.rename_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.maintain_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
-        self.assertEquals(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
-        self.assertEquals(service_manager.theme_menu.menuAction().setVisible.call_count, 1,
-                          'Should have be called once')
+        self.assertEqual(service_manager.edit_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.rename_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.create_custom_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.maintain_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.notes_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.time_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_start_action.setVisible.call_count, 1, 'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')
+        self.assertEqual(service_manager.auto_play_slides_once.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.auto_play_slides_loop.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.timed_slide_interval.setChecked.call_count, 0, 'Should not be called')
+        self.assertEqual(service_manager.theme_menu.menuAction().setVisible.call_count, 1,
+                         'Should have be called once')

    @patch(u'openlp.core.ui.servicemanager.Settings')
    @patch(u'PyQt5.QtCore.QTimer.singleShot')
@ -573,7 +575,7 @@ class TestServiceManager(TestCase):
        # WHEN: on_single_click_preview() is called
        service_manager.on_single_click_preview()
        # THEN: timer should not be started
-        self.assertEquals(mocked_singleShot.call_count, 0, 'Should not be called')
+        self.assertEqual(mocked_singleShot.call_count, 0, 'Should not be called')

    @patch(u'openlp.core.ui.servicemanager.Settings')
    @patch(u'PyQt5.QtCore.QTimer.singleShot')
@ -591,7 +593,8 @@ class TestServiceManager(TestCase):
        service_manager.on_double_click_live()
        service_manager.on_single_click_preview()
        # THEN: timer should not be started
-        self.assertEquals(mocked_singleShot.call_count, 0, 'Should not be called')
+        mocked_make_live.assert_called_with()
+        self.assertEqual(mocked_singleShot.call_count, 0, 'Should not be called')

    @patch(u'openlp.core.ui.servicemanager.ServiceManager.make_preview')
    def test_single_click_timeout_single(self, mocked_make_preview):
@ -603,7 +606,8 @@ class TestServiceManager(TestCase):
        # WHEN: on_single_click_preview() is called
        service_manager.on_single_click_preview_timeout()
        # THEN: make_preview() should have been called
-        self.assertEquals(mocked_make_preview.call_count, 1, 'Should have been called once')
+        self.assertEqual(mocked_make_preview.call_count, 1,
+                         'ServiceManager.make_preview() should have been called once')

    @patch(u'openlp.core.ui.servicemanager.ServiceManager.make_preview')
    @patch(u'openlp.core.ui.servicemanager.ServiceManager.make_live')
@ -616,5 +620,62 @@ class TestServiceManager(TestCase):
        # WHEN: on_single_click_preview() is called after a double click
        service_manager.on_double_click_live()
        service_manager.on_single_click_preview_timeout()
-        # THEN: make_preview() should have been called
-        self.assertEquals(mocked_make_preview.call_count, 0, 'Should not be called')
+        # THEN: make_preview() should not have been called
+        self.assertEqual(mocked_make_preview.call_count, 0, 'ServiceManager.make_preview() should not be called')
+
+    @patch(u'openlp.core.ui.servicemanager.shutil.copy')
+    @patch(u'openlp.core.ui.servicemanager.zipfile')
+    @patch(u'openlp.core.ui.servicemanager.ServiceManager.save_file_as')
+    def test_save_file_raises_permission_error(self, mocked_save_file_as, mocked_zipfile, mocked_shutil_copy):
+        """
+        Test that when a PermissionError is raised when trying to save a file, it is handled correctly
+        """
+        # GIVEN: A service manager, a service to save
+        mocked_main_window = MagicMock()
+        mocked_main_window.service_manager_settings_section = 'servicemanager'
+        Registry().register('main_window', mocked_main_window)
+        Registry().register('application', MagicMock())
+        service_manager = ServiceManager(None)
+        service_manager._file_name = os.path.join('temp', 'filename.osz')
+        service_manager._save_lite = False
+        service_manager.service_items = []
+        service_manager.service_theme = 'Default'
+        service_manager.service_manager_list = MagicMock()
+        mocked_save_file_as.return_value = True
+        mocked_zipfile.ZipFile.return_value = MagicMock()
+        mocked_shutil_copy.side_effect = PermissionError
+
+        # WHEN: The service is saved and a PermissionError is thrown
+        result = service_manager.save_file()
+
+        # THEN: The "save_as" method is called to save the service
+        self.assertTrue(result)
+        mocked_save_file_as.assert_called_with()
+
+    @patch(u'openlp.core.ui.servicemanager.shutil.copy')
+    @patch(u'openlp.core.ui.servicemanager.zipfile')
+    @patch(u'openlp.core.ui.servicemanager.ServiceManager.save_file_as')
+    def test_save_local_file_raises_permission_error(self, mocked_save_file_as, mocked_zipfile, mocked_shutil_copy):
+        """
+        Test that when a PermissionError is raised when trying to save a local file, it is handled correctly
+        """
+        # GIVEN: A service manager, a service to save
+        mocked_main_window = MagicMock()
+        mocked_main_window.service_manager_settings_section = 'servicemanager'
+        Registry().register('main_window', mocked_main_window)
+        Registry().register('application', MagicMock())
+        service_manager = ServiceManager(None)
+        service_manager._file_name = os.path.join('temp', 'filename.osz')
+        service_manager._save_lite = False
+        service_manager.service_items = []
+        service_manager.service_theme = 'Default'
+        mocked_save_file_as.return_value = True
+        mocked_zipfile.ZipFile.return_value = MagicMock()
+        mocked_shutil_copy.side_effect = PermissionError
+
+        # WHEN: The service is saved and a PermissionError is thrown
+        result = service_manager.save_local_file()
+
+        # THEN: The "save_as" method is called to save the service
+        self.assertTrue(result)
+        mocked_save_file_as.assert_called_with()
--- a/tests/utils/test_pylint.py
+++ b/tests/utils/test_pylint.py
@ -0,0 +1,101 @@
+# -*- coding: utf-8 -*-
+# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
+
+###############################################################################
+# OpenLP - Open Source Lyrics Projection                                      #
+# --------------------------------------------------------------------------- #
+# Copyright (c) 2008-2016 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  #
+# Software Foundation; version 2 of the License.                              #
+#                                                                             #
+# This program is distributed in the hope that it will be useful, but WITHOUT #
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or       #
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for    #
+# more details.                                                               #
+#                                                                             #
+# You should have received a copy of the GNU General Public License along     #
+# with this program; if not, write to the Free Software Foundation, Inc., 59  #
+# Temple Place, Suite 330, Boston, MA 02111-1307 USA                          #
+###############################################################################
+"""
+Package to test for proper bzr tags.
+"""
+import os
+import logging
+import platform
+from unittest import TestCase, SkipTest
+
+try:
+    from pylint import epylint as lint
+    from pylint.__pkginfo__ import version
+except ImportError:
+    raise SkipTest('pylint not installed - skipping tests using pylint.')
+
+from openlp.core.common import is_win
+
+TOLERATED_ERRORS = {'registryproperties.py': ['access-member-before-definition'],
+                    'opensong.py': ['no-name-in-module'],
+                    'maindisplay.py': ['no-name-in-module']}
+
+
+class TestPylint(TestCase):
+
+    def test_pylint(self):
+        """
+        Test for pylint errors
+        """
+        # GIVEN: Some checks to disable and enable, and the pylint script
+        disabled_checks = 'import-error,no-member'
+        enabled_checks = 'missing-format-argument-key,unused-format-string-argument'
+        if is_win() or 'arch' in platform.dist()[0].lower():
+            pylint_script = 'pylint'
+        else:
+            pylint_script = 'pylint3'
+
+        # WHEN: Running pylint
+        (pylint_stdout, pylint_stderr) = \
+            lint.py_run('openlp --errors-only --disable={disabled} --enable={enabled} '
+                        '--reports=no --output-format=parseable'.format(disabled=disabled_checks,
+                                                                        enabled=enabled_checks),
+                        return_std=True, script=pylint_script)
+        stdout = pylint_stdout.read()
+        stderr = pylint_stderr.read()
+        filtered_stdout = self._filter_tolerated_errors(stdout)
+        print(filtered_stdout)
+        print(stderr)
+
+        # THEN: The output should be empty
+        self.assertTrue(filtered_stdout == '', 'PyLint should find no errors')
+
+    def _filter_tolerated_errors(self, pylint_output):
+        """
+        Filter out errors we tolerate.
+        """
+        filtered_output = ''
+        for line in pylint_output.splitlines():
+            # Filter out module info lines
+            if line.startswith('**'):
+                continue
+            # Filter out undefined-variable error releated to WindowsError
+            elif 'undefined-variable' in line and 'WindowsError' in line:
+                continue
+            # Filter out PyQt related errors
+            elif ('no-name-in-module' in line or 'no-member' in line) and 'PyQt5' in line:
+                continue
+            elif self._is_line_tolerated(line):
+                continue
+            else:
+                filtered_output += line + '\n'
+        return filtered_output.strip()
+
+    def _is_line_tolerated(self, line):
+        """
+        Check if line constains a tolerated error
+        """
+        for filename in TOLERATED_ERRORS:
+            for tolerated_error in TOLERATED_ERRORS[filename]:
+                if filename in line and tolerated_error in line:
+                    return True
+        return False