Head 1683

openlp/core/lib/imagemanager.py

@@ -112,17 +112,29 @@ class PriorityQueue(Queue.PriorityQueue):
     """
     Customised ``Queue.PriorityQueue``.
     """
-    def remove(self, item):
+    def modify_priority(self, image, new_priority):
         """
-        Removes the given ``item`` from the queue.
+        Modifies the priority of the given ``image``.
 
-        ``item``
+        ``image``
-            The item to remove. This should be a tuple::
+            The image to remove. This should be an ``Image`` instance.
 
-                ``(Priority, Image)``
+        ``new_priority``
+            The image's new priority.
         """
-        if item in self.queue:
+        self.remove(image)
-            self.queue.remove(item)
+        image.priority = new_priority
+        self.put((image.priority, image))
+
+    def remove(self, image):
+        """
+        Removes the given ``image`` from the queue.
+
+        ``image``
+            The image to remove. This should be an ``Image`` instance.
+        """
+        if (image.priority, image) in self.queue:
+            self.queue.remove((image.priority, image))
 
 
 class ImageManager(QtCore.QObject):
@@ -168,12 +180,16 @@ class ImageManager(QtCore.QObject):
         log.debug(u'get_image %s' % name)
         image = self._cache[name]
         if image.image is None:
-            self._conversion_queue.remove((image.priority, image))
+            self._conversion_queue.modify_priority(image, Priority.High)
-            image.priority = Priority.High
-            self._conversion_queue.put((image.priority, image))
             while image.image is None:
                 log.debug(u'get_image - waiting')
                 time.sleep(0.1)
+        elif image.image_bytes is None:
+            # Set the priority to Low, because the image was requested but the
+            # byte stream was not generated yet. However, we only need to do
+            # this, when the image was generated before it was requested
+            # (otherwise this is already taken care of).
+            self._conversion_queue.modify_priority(image, Priority.Low)
         return image.image
 
     def get_image_bytes(self, name):
@@ -184,9 +200,7 @@ class ImageManager(QtCore.QObject):
         log.debug(u'get_image_bytes %s' % name)
         image = self._cache[name]
         if image.image_bytes is None:
-            self._conversion_queue.remove((image.priority, image))
+            self._conversion_queue.modify_priority(image, Priority.Urgent)
-            image.priority = Priority.Urgent
-            self._conversion_queue.put((image.priority, image))
             while image.image_bytes is None:
                 log.debug(u'get_image_bytes - waiting')
                 time.sleep(0.1)
@@ -198,8 +212,7 @@ class ImageManager(QtCore.QObject):
         """
         log.debug(u'del_image %s' % name)
         if name in self._cache:
-            self._conversion_queue.remove(
+            self._conversion_queue.remove(self._cache[name])
-                (self._cache[name].priority, self._cache[name]))
             del self._cache[name]
 
     def add_image(self, name, path):
@@ -238,18 +251,14 @@ class ImageManager(QtCore.QObject):
             # Set the priority to Lowest and stop here as we need to process
             # more important images first.
             if image.priority == Priority.Normal:
-                self._conversion_queue.remove((image.priority, image))
+                self._conversion_queue.modify_priority(image, Priority.Lowest)
-                image.priority = Priority.Lowest
-                self._conversion_queue.put((image.priority, image))
                 return
             # For image with high priority we set the priority to Low, as the
             # byte stream might be needed earlier the byte stream of image with
             # Normal priority. We stop here as we need to process more important
             # images first.
             elif image.priority == Priority.High:
-                self._conversion_queue.remove((image.priority, image))
+                self._conversion_queue.modify_priority(image, Priority.Low)
-                image.priority = Priority.Low
-                self._conversion_queue.put((image.priority, image))
                 return
         # Generate the byte stream for the image.
         if image.image_bytes is None:

openlp/core/lib/serviceitem.py

@@ -35,7 +35,7 @@ import logging
 import os
 import uuid
 
-from openlp.core.lib import build_icon, clean_tags, expand_tags
+from openlp.core.lib import build_icon, clean_tags, expand_tags, translate
 from openlp.core.lib.ui import UiStrings
 
 log = logging.getLogger(__name__)
@@ -352,6 +352,9 @@ class ServiceItem(object):
         Updates the _uuid with the value from the original one
         The _uuid is unique for a given service item but this allows one to
         replace an original version.
+
+        ``other``
+            The service item to be merged with
         """
         self._uuid = other._uuid
         self.notes = other.notes
@@ -447,10 +450,12 @@ class ServiceItem(object):
         start = None
         end = None
         if self.start_time != 0:
-            start = UiStrings().StartTimeCode % \
+            start = unicode(translate('OpenLP.ServiceItem',
+                '<strong>Start</strong>: %s')) % \
                 unicode(datetime.timedelta(seconds=self.start_time))
         if self.media_length != 0:
-            end = UiStrings().LengthTime % \
+            end = unicode(translate('OpenLP.ServiceItem',
+                '<strong>Length</strong>: %s')) % \
                 unicode(datetime.timedelta(seconds=self.media_length))
         if not start and not end:
             return None
@@ -459,5 +464,16 @@ class ServiceItem(object):
         elif not start and end:
             return end
         else:
-            return u'%s : %s' % (start, end)
+            return u'%s <br />%s' % (start, end)
+
+    def update_theme(self, theme):
+        """
+        updates the theme in the service item
+
+        ``theme``
+            The new theme to be replaced in the service item
+        """
+        self.theme = theme
+        self._new_item()
+        self.render()
 

openlp/core/lib/ui.py

@@ -83,7 +83,6 @@ class UiStrings(object):
         self.Image = translate('OpenLP.Ui', 'Image')
         self.Import = translate('OpenLP.Ui', 'Import')
         self.LayoutStyle = translate('OpenLP.Ui', 'Layout style:')
-        self.LengthTime = unicode(translate('OpenLP.Ui', 'Length %s'))
         self.Live = translate('OpenLP.Ui', 'Live')
         self.LiveBGError = translate('OpenLP.Ui', 'Live Background Error')
         self.LiveToolbar = translate('OpenLP.Ui', 'Live Toolbar')
@@ -103,6 +102,8 @@ class UiStrings(object):
         self.OpenLPStart = translate('OpenLP.Ui', 'OpenLP is already running. '
             'Do you wish to continue?')
         self.OpenService = translate('OpenLP.Ui', 'Open service.')
+        self.PlaySlidesInLoop = translate('OpenLP.Ui','Play Slides in Loop')
+        self.PlaySlidesToEnd = translate('OpenLP.Ui','Play Slides to End')
         self.Preview = translate('OpenLP.Ui', 'Preview')
         self.PrintService = translate('OpenLP.Ui', 'Print Service')
         self.ReplaceBG = translate('OpenLP.Ui', 'Replace Background')
@@ -124,6 +125,10 @@ class UiStrings(object):
         self.SplitToolTip = translate('OpenLP.Ui', 'Split a slide into two '
             'only if it does not fit on the screen as one slide.')
         self.StartTimeCode = unicode(translate('OpenLP.Ui', 'Start %s'))
+        self.StopPlaySlidesInLoop = translate('OpenLP.Ui',
+            'Stop Play Slides in Loop')
+        self.StopPlaySlidesToEnd = translate('OpenLP.Ui',
+            'Stop Play Slides to End')
         self.Theme = translate('OpenLP.Ui', 'Theme', 'Singular')
         self.Themes = translate('OpenLP.Ui', 'Themes', 'Plural')
         self.Tools = translate('OpenLP.Ui', 'Tools')

openlp/core/ui/servicemanager.py

@@ -956,7 +956,19 @@ class ServiceManager(QtGui.QWidget):
                 treewidgetitem.setIcon(0,
                     build_icon(u':/general/general_delete.png'))
             treewidgetitem.setText(0, serviceitem.get_display_title())
-            treewidgetitem.setToolTip(0, serviceitem.notes)
+            tips = []
+            if serviceitem.theme and serviceitem.theme != -1:
+                tips.append(u'<strong>%s:</strong> <em>%s</em>' %
+                    (unicode(translate('OpenLP.ServiceManager', 'Slide theme')),
+                    serviceitem.theme))
+            if serviceitem.notes:
+                tips.append(u'<strong>%s: </strong> %s' %
+                    (unicode(translate('OpenLP.ServiceManager', 'Notes')),
+                    unicode(serviceitem.notes)))
+            if item[u'service_item'] \
+                .is_capable(ItemCapabilities.AllowsVariableStartTime):
+                tips.append(item[u'service_item'].get_media_time())
+            treewidgetitem.setToolTip(0, u'<br />'.join(tips))
             treewidgetitem.setData(0, QtCore.Qt.UserRole,
                 QtCore.QVariant(item[u'order']))
             treewidgetitem.setSelected(item[u'selected'])
@@ -966,11 +978,6 @@ class ServiceManager(QtGui.QWidget):
                 text = frame[u'title'].replace(u'\n', u' ')
                 child.setText(0, text[:40])
                 child.setData(0, QtCore.Qt.UserRole, QtCore.QVariant(count))
-                if item[u'service_item'] \
-                    .is_capable(ItemCapabilities.AllowsVariableStartTime):
-                    tip = item[u'service_item'].get_media_time()
-                    if tip:
-                        child.setToolTip(0, tip)
                 if serviceItem == itemcount:
                     if item[u'expanded'] and serviceItemChild == count:
                         self.serviceManagerList.setCurrentItem(child)
@@ -1338,7 +1345,7 @@ class ServiceManager(QtGui.QWidget):
         if not theme:
             theme = None
         item = self.findServiceItem()[0]
-        self.serviceItems[item][u'service_item'].theme = theme
+        self.serviceItems[item][u'service_item'].update_theme(theme)
         self.regenerateServiceItems()
 
     def _getParentItemData(self, item):

openlp/core/ui/slidecontroller.py

@@ -28,12 +28,13 @@
 import logging
 import os
 import time
+import copy
 
 from PyQt4 import QtCore, QtGui
 from PyQt4.phonon import Phonon
 
 from openlp.core.lib import OpenLPToolbar, Receiver, ItemCapabilities, \
-    translate
+    translate, build_icon
 from openlp.core.lib.ui import UiStrings, shortcut_action
 from openlp.core.ui import HideMode, MainDisplay, ScreenList
 from openlp.core.utils.actions import ActionList, CategoryOrder
@@ -194,13 +195,11 @@ class SlideController(QtGui.QWidget):
             self.playSlidesLoop = shortcut_action(self.playSlidesMenu,
                 u'playSlidesLoop', [], self.onPlaySlidesLoop,
                 u':/media/media_time.png', False, UiStrings().LiveToolbar)
-            self.playSlidesLoop.setText(
+            self.playSlidesLoop.setText(UiStrings().PlaySlidesInLoop)
-                translate('OpenLP.SlideController', 'Play Slides in Loop'))
             self.playSlidesOnce = shortcut_action(self.playSlidesMenu,
                 u'playSlidesOnce', [], self.onPlaySlidesOnce,
                 u':/media/media_time.png', False, UiStrings().LiveToolbar)
-            self.playSlidesOnce.setText(
+            self.playSlidesOnce.setText(UiStrings().PlaySlidesToEnd)
-                translate('OpenLP.SlideController', 'Play Slides to End'))
             if QtCore.QSettings().value(self.parent().generalSettingsSection +
                 u'/enable slide loop', QtCore.QVariant(True)).toBool():
                 self.playSlidesMenu.setDefaultAction(self.playSlidesLoop)
@@ -600,7 +599,8 @@ class SlideController(QtGui.QWidget):
         log.debug(u'processManagerItem live = %s' % self.isLive)
         self.onStopLoop()
         old_item = self.serviceItem
-        self.serviceItem = serviceItem
+        # take a copy not a link to the servicemeanager copy.
+        self.serviceItem = copy.copy(serviceItem)
         if old_item and self.isLive and old_item.is_capable(
             ItemCapabilities.ProvidesOwnDisplay):
             self._resetBlank()
@@ -1059,6 +1059,14 @@ class SlideController(QtGui.QWidget):
         else:
             self.playSlidesLoop.setChecked(checked)
         log.debug(u'onPlaySlidesLoop %s' % checked)
+        if checked:
+            self.playSlidesLoop.setIcon(build_icon(u':/media/media_stop.png'))
+            self.playSlidesLoop.setText(UiStrings().StopPlaySlidesInLoop)
+            self.playSlidesOnce.setIcon(build_icon(u':/media/media_time.png'))
+            self.playSlidesOnce.setText(UiStrings().PlaySlidesToEnd)
+        else:
+            self.playSlidesLoop.setIcon(build_icon(u':/media/media_time.png'))
+            self.playSlidesLoop.setText(UiStrings().PlaySlidesInLoop)
         self.playSlidesMenu.setDefaultAction(self.playSlidesLoop)
         self.playSlidesOnce.setChecked(False)
         self.onToggleLoop()
@@ -1072,6 +1080,14 @@ class SlideController(QtGui.QWidget):
         else:
             self.playSlidesOnce.setChecked(checked)
         log.debug(u'onPlaySlidesOnce %s' % checked)
+        if checked:
+            self.playSlidesOnce.setIcon(build_icon(u':/media/media_stop.png'))
+            self.playSlidesOnce.setText(UiStrings().StopPlaySlidesToEnd)
+            self.playSlidesLoop.setIcon(build_icon(u':/media/media_time.png'))
+            self.playSlidesLoop.setText(UiStrings().PlaySlidesInLoop)
+        else:
+            self.playSlidesOnce.setIcon(build_icon(u':/media/media_time'))
+            self.playSlidesOnce.setText(UiStrings().PlaySlidesToEnd)
         self.playSlidesMenu.setDefaultAction(self.playSlidesOnce)
         self.playSlidesLoop.setChecked(False)
         self.onToggleLoop()

openlp/plugins/bibles/lib/http.py

@@ -145,7 +145,10 @@ class BGExtract(object):
             send_error_message(u'download')
             return None
         page_source = page.read()
-        page_source = unicode(page_source, 'utf8')
+        try:
+            page_source = unicode(page_source, u'utf8')
+        except UnicodeDecodeError:
+            page_source = unicode(page_source, u'cp1251')
         page_source_temp = re.search(u'<table .*?class="infotable".*?>.*?'\
             u'</table>', page_source, re.DOTALL)
         if page_source_temp:

openlp/plugins/songs/lib/__init__.py

@@ -267,6 +267,12 @@ def clean_song(manager, song):
     ``song``
         The song object.
     """
+    if isinstance(song.title, buffer):
+        song.title = unicode(song.title)
+    if isinstance(song.alternate_title, buffer):
+        song.alternate_title = unicode(song.alternate_title)
+    if isinstance(song.lyrics, buffer):
+        song.lyrics = unicode(song.lyrics)
     song.title = song.title.rstrip() if song.title else u''
     if song.alternate_title is None:
         song.alternate_title = u''

openlp/plugins/songusage/songusageplugin.py

@@ -48,8 +48,10 @@ class SongUsagePlugin(Plugin):
         Plugin.__init__(self, u'SongUsage', plugin_helpers)
         self.weight = -4
         self.icon = build_icon(u':/plugins/plugin_songusage.png')
+        self.activeIcon = build_icon(u':/songusage/song_usage_active.png')
+        self.inactiveIcon = build_icon(u':/songusage/song_usage_inactive.png')
         self.manager = None
-        self.songusageActive = False
+        self.songUsageActive = False
 
     def addToolsMenuItem(self, tools_menu):
         """
@@ -84,17 +86,29 @@ class SongUsagePlugin(Plugin):
         self.songUsageStatus.setText(translate(
             'SongUsagePlugin', 'Toggle Tracking'))
         self.songUsageStatus.setStatusTip(translate('SongUsagePlugin',
-                'Toggle the tracking of song usage.'))
+            'Toggle the tracking of song usage.'))
-        #Add Menus together
+        # Add Menus together
         self.toolsMenu.addAction(self.songUsageMenu.menuAction())
         self.songUsageMenu.addAction(self.songUsageStatus)
         self.songUsageMenu.addSeparator()
         self.songUsageMenu.addAction(self.songUsageDelete)
         self.songUsageMenu.addAction(self.songUsageReport)
+        self.songUsageActiveButton = QtGui.QToolButton(
+            self.formparent.statusBar)
+        self.songUsageActiveButton.setCheckable(True)
+        self.songUsageActiveButton.setStatusTip(translate('SongUsagePlugin',
+            'Toggle the tracking of song usage.'))
+        self.songUsageActiveButton.setObjectName(u'songUsageActiveButton')
+        self.formparent.statusBar.insertPermanentWidget(1,
+            self.songUsageActiveButton)
+        self.songUsageActiveButton.hide()
         # Signals and slots
         QtCore.QObject.connect(self.songUsageStatus,
             QtCore.SIGNAL(u'visibilityChanged(bool)'),
             self.songUsageStatus.setChecked)
+        QtCore.QObject.connect(self.songUsageActiveButton,
+            QtCore.SIGNAL(u'toggled(bool)'),
+            self.toggleSongUsageState)
         QtCore.QObject.connect(self.songUsageDelete,
             QtCore.SIGNAL(u'triggered()'), self.onSongUsageDelete)
         QtCore.QObject.connect(self.songUsageReport,
@@ -107,23 +121,25 @@ class SongUsagePlugin(Plugin):
         QtCore.QObject.connect(Receiver.get_receiver(),
             QtCore.SIGNAL(u'slidecontroller_live_started'),
             self.onReceiveSongUsage)
-        self.SongUsageActive = QtCore.QSettings().value(
+        self.songUsageActive = QtCore.QSettings().value(
             self.settingsSection + u'/active',
             QtCore.QVariant(False)).toBool()
-        self.songUsageStatus.setChecked(self.SongUsageActive)
+        # Set the button and checkbox state
+        self.setButtonState()
         action_list = ActionList.get_instance()
+        action_list.add_action(self.songUsageStatus,
+            translate('SongUsagePlugin', 'Song Usage'))
         action_list.add_action(self.songUsageDelete,
             translate('SongUsagePlugin', 'Song Usage'))
         action_list.add_action(self.songUsageReport,
             translate('SongUsagePlugin', 'Song Usage'))
-        action_list.add_action(self.songUsageStatus,
-            translate('SongUsagePlugin', 'Song Usage'))
         if self.manager is None:
             self.manager = Manager(u'songusage', init_schema)
         self.songUsageDeleteForm = SongUsageDeleteForm(self.manager,
             self.formparent)
         self.songUsageDetailForm = SongUsageDetailForm(self, self.formparent)
         self.songUsageMenu.menuAction().setVisible(True)
+        self.songUsageActiveButton.show()
 
     def finalise(self):
         """
@@ -134,26 +150,55 @@ class SongUsagePlugin(Plugin):
         Plugin.finalise(self)
         self.songUsageMenu.menuAction().setVisible(False)
         action_list = ActionList.get_instance()
+        action_list.remove_action(self.songUsageStatus,
+            translate('SongUsagePlugin', 'Song Usage'))
         action_list.remove_action(self.songUsageDelete,
             translate('SongUsagePlugin', 'Song Usage'))
         action_list.remove_action(self.songUsageReport,
             translate('SongUsagePlugin', 'Song Usage'))
-        action_list.remove_action(self.songUsageStatus,
+        self.songUsageActiveButton.hide()
-            translate('SongUsagePlugin', 'Song Usage'))
+        # stop any events being processed
-        #stop any events being processed
+        self.songUsageActive = False
-        self.SongUsageActive = False
 
     def toggleSongUsageState(self):
-        self.SongUsageActive = not self.SongUsageActive
+        """
+        Manage the state of the audit collection and amend
+        the UI when necessary,
+        """
+        self.songUsageActive = not self.songUsageActive
         QtCore.QSettings().setValue(self.settingsSection + u'/active',
-            QtCore.QVariant(self.SongUsageActive))
+            QtCore.QVariant(self.songUsageActive))
+        self.setButtonState()
+
+    def setButtonState(self):
+        """
+        Keep buttons inline.  Turn of signals to stop dead loop but we need the
+        button and check box set correctly.
+        """
+        self.songUsageActiveButton.blockSignals(True)
+        self.songUsageStatus.blockSignals(True)
+        if self.songUsageActive:
+            self.songUsageActiveButton.setIcon(self.activeIcon)
+            self.songUsageStatus.setChecked(True)
+            self.songUsageActiveButton.setChecked(True)
+            self.songUsageActiveButton.setToolTip(translate('SongUsagePlugin',
+                'Song usage tracking is active.'))
+        else:
+            self.songUsageActiveButton.setIcon(self.inactiveIcon)
+            self.songUsageStatus.setChecked(False)
+            self.songUsageActiveButton.setChecked(False)
+            self.songUsageActiveButton.setToolTip(translate('SongUsagePlugin',
+                'Song usage tracking is inactive.'))
+        self.songUsageActiveButton.blockSignals(False)
+        self.songUsageStatus.blockSignals(False)
+
 
     def onReceiveSongUsage(self, item):
         """
         Song Usage for live song from SlideController
         """
         audit = item[0].audit
-        if self.SongUsageActive and audit:
+        if self.songUsageActive and audit:
             song_usage_item = SongUsageItem()
             song_usage_item.usagedate = datetime.today()
             song_usage_item.usagetime = datetime.now().time()

resources/images/openlp-2.qrc

@@ -138,6 +138,10 @@
     <file>messagebox_info.png</file>
     <file>messagebox_warning.png</file>
   </qresource>
+  <qresource prefix="songusage">
+    <file>song_usage_active.png</file>
+    <file>song_usage_inactive.png</file>
+  </qresource>
   <qresource prefix="tools">
     <file>tools_add.png</file>
     <file>tools_alert.png</file>

scripts/check_dependencies.py

@@ -0,0 +1,192 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
+
+###############################################################################
+# OpenLP - Open Source Lyrics Projection                                      #
+# --------------------------------------------------------------------------- #
+# Copyright (c) 2011 Raoul Snyman                                             #
+# --------------------------------------------------------------------------- #
+# 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                          #
+###############################################################################
+
+"""
+This script is used to check dependencies of OpenLP. It checks availability
+of required python modules and their version. To verify availability of Python
+modules, simply run this script::
+
+    @:~$ ./check_dependencies.py
+
+"""
+import os
+import sys
+
+is_win = sys.platform.startswith('win')
+
+VERS = {
+    'Python': '2.6',
+    'PyQt4': '4.6',
+    'Qt4': '4.6',
+    'sqlalchemy': '0.5',
+    # pyenchant 1.6 required on Windows
+    'enchant': '1.6' if is_win else '1.3'
+    }
+
+# pywin32
+WIN32_MODULES = [
+    'win32com',
+    'win32ui',
+    'pywintypes',
+    ]
+
+MODULES = [
+    'PyQt4',
+    'PyQt4.QtCore',
+    'PyQt4.QtGui',
+    'PyQt4.QtNetwork',
+    'PyQt4.QtOpenGL',
+    'PyQt4.QtSvg',
+    'PyQt4.QtTest',
+    'PyQt4.QtWebKit',
+    'PyQt4.phonon',
+    'sqlalchemy',
+    'sqlite3',
+    'lxml',
+    'chardet',
+    'enchant',
+    'BeautifulSoup',
+    'mako',
+    ]
+
+
+OPTIONAL_MODULES = [
+    ('sqlite', ' (SQLite 2 support)'),
+    ('MySQLdb', ' (MySQL support)'),
+    ('psycopg2', ' (PostgreSQL support)'),
+    ]
+
+w = sys.stdout.write
+
+
+def check_vers(version, required, text):
+    if type(version) is str:
+        version = version.split('.')
+        version = [int(x) for x in version]
+    if type(required) is str:
+        required = required.split('.')
+        required = [int(x) for x in required]
+    w('  %s >= %s ...    ' % (text, '.'.join([str(x) for x in required])))
+    if version >= required:
+        w('.'.join([str(x) for x in version]) + os.linesep)
+        return True
+    else:
+        w('FAIL' + os.linesep)
+        return False
+
+
+def print_vers_fail(required, text):
+    print('  %s >= %s ...    FAIL' % (text, required))
+
+
+def verify_python():
+    if not check_vers(list(sys.version_info), VERS['Python'], text='Python'):
+        exit(1)
+
+
+def verify_versions():
+    print('Verifying version of modules...')
+    try:
+        from PyQt4 import QtCore
+        check_vers(QtCore.PYQT_VERSION_STR, VERS['PyQt4'],
+            'PyQt4')
+        check_vers(QtCore.qVersion(), VERS['Qt4'],
+            'Qt4')
+    except ImportError:
+        print_vers_fail(VERS['PyQt4'], 'PyQt4')
+        print_vers_fail(VERS['Qt4'], 'Qt4')
+    try:
+        import sqlalchemy
+        check_vers(sqlalchemy.__version__, VERS['sqlalchemy'], 'sqlalchemy')
+    except ImportError:
+        print_vers_fail(VERS['sqlalchemy'], 'sqlalchemy')
+    try:
+        import enchant
+        check_vers(enchant.__version__, VERS['enchant'], 'enchant')
+    except ImportError:
+        print_vers_fail(VERS['enchant'], 'enchant')
+
+
+def check_module(mod, text='', indent='  '):
+    space = (30 - len(mod) - len(text)) * ' '
+    w(indent + '%s%s...  ' % (mod, text) + space)
+    try:
+        __import__(mod)
+        w('OK')
+    except ImportError:
+        w('FAIL')
+    w(os.linesep)
+
+
+def verify_pyenchant():
+    w('Enchant (spell checker)... ')
+    try:
+        import enchant
+        w(os.linesep)
+        backends = ', '.join([x.name for x in enchant.Broker().describe()])
+        print('  available backends: %s' % backends)
+        langs = ', '.join(enchant.list_languages())
+        print('  available languages: %s' % langs)
+    except ImportError:
+        w('FAIL' + os.linesep)
+
+
+def verify_pyqt():
+    w('Qt4 image formats... ')
+    try:
+        from PyQt4 import QtGui
+        read_f = ', '.join([unicode(format).lower() \
+           for format in QtGui.QImageReader.supportedImageFormats()])
+        write_f= ', '.join([unicode(format).lower() \
+            for format in QtGui.QImageWriter.supportedImageFormats()])
+        w(os.linesep)
+        print('  read: %s' % read_f)
+        print('  write: %s' % write_f)
+    except ImportError:
+        w('FAIL' + os.linesep)
+
+
+def main():
+
+    verify_python()
+
+    print('Checking for modules...')
+    for m in MODULES:
+        check_module(m)
+
+    print('Checking for optional modules...')
+    for m in OPTIONAL_MODULES:
+        check_module(m[0], text=m[1])
+
+    if is_win:
+        print('Checking for Windows specific modules...')
+        for m in WIN32_MODULES:
+            check_module(m)
+
+    verify_versions()
+    verify_pyqt()
+    verify_pyenchant()
+
+
+if __name__ == u'__main__':
+    main()

scripts/windows-builder.py

@@ -96,7 +96,7 @@ psvince.dll
     the install will fail.  The dll can be obtained from here:
     http://www.vincenzo.net/isxkb/index.php?title=PSVince)
 
-Mako    
+Mako
     Mako Templates for Python.  This package is required for building the
     remote plugin.  It can be installed by going to your
     python_directory\scripts\.. and running "easy_install Mako".  If you do not
@@ -133,7 +133,14 @@ site_packages = os.path.join(os.path.split(python_exe)[0], u'Lib',
 pyi_build = os.path.abspath(os.path.join(branch_path, u'..', u'..',
     u'pyinstaller', u'pyinstaller.py'))
 openlp_main_script = os.path.abspath(os.path.join(branch_path, 'openlp.pyw'))
-lrelease_exe = os.path.join(site_packages, u'PyQt4', u'bin', u'lrelease.exe')
+if os.path.exists(os.path.join(site_packages, u'PyQt4', u'bin')):
+    # Older versions of the PyQt4 Windows installer put their binaries in the
+    # "bin" directory
+    lrelease_exe = os.path.join(site_packages, u'PyQt4', u'bin', u'lrelease.exe')
+else:
+    # Newer versions of the PyQt4 Windows installer put their binaries in the
+    # base directory of the installation
+    lrelease_exe = os.path.join(site_packages, u'PyQt4', u'lrelease.exe')
 i18n_utils = os.path.join(script_path, u'translation_utils.py')
 win32_icon = os.path.join(branch_path, u'resources', u'images', 'OpenLP.ico')
 
@@ -145,7 +152,7 @@ helpfile_path = os.path.join(manual_build_path, u'htmlhelp')
 i18n_path = os.path.join(branch_path, u'resources', u'i18n')
 winres_path = os.path.join(branch_path, u'resources', u'windows')
 build_path = os.path.join(branch_path, u'build')
-dist_path = os.path.join(build_path, u'dist', u'OpenLP')
+dist_path = os.path.join(branch_path, u'dist', u'OpenLP')
 pptviewlib_path = os.path.join(source_path, u'plugins', u'presentations',
     u'lib', u'pptviewlib')
 
@@ -172,7 +179,7 @@ def run_pyinstaller():
     pyinstaller = Popen((python_exe, pyi_build,
         u'--noconfirm',
         u'--windowed',
-        u'-o', build_path,
+        u'-o', branch_path,
         u'-i', win32_icon,
         u'-p', branch_path,
         u'-n', 'OpenLP',
@@ -319,17 +326,19 @@ def main():
     import sys
     for arg in sys.argv:
         if arg == u'-v' or arg == u'--verbose':
-            print "Script path:", script_path
+            print "OpenLP main script: ......", openlp_main_script
-            print "Branch path:", branch_path
+            print "Script path: .............", script_path
-            print "Source path:", source_path
+            print "Branch path: .............", branch_path
-            print "\"dist\" path:", dist_path
+            print "Source path: .............", source_path
-            print "PyInstaller:", pyi_build
+            print "\"dist\" path: .............", dist_path
+            print "PyInstaller: .............", pyi_build
             print "Documentation branch path:", doc_branch_path
-            print "Help file build path;", helpfile_path
+            print "Help file build path: ....", helpfile_path
-            print "Inno Setup path:", innosetup_exe
+            print "Inno Setup path: .........", innosetup_exe
-            print "Windows resources:", winres_path
+            print "Windows resources: .......", winres_path
-            print "VCBuild path:", vcbuild_exe
+            print "VCBuild path: ............", vcbuild_exe
-            print "PPTVIEWLIB path:", pptviewlib_path
+            print "PPTVIEWLIB path: .........", pptviewlib_path
+            print ""
         elif arg == u'--skip-update':
             skip_update = True
         elif arg == u'/?' or arg == u'-h' or arg == u'--help':