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181 lines
8.9 KiB
ReStructuredText
.. title: Translation Errors and The Big Oops
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.. slug: 2015/10/23/translation-errors-and-the-big-oops
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.. date: 2015-10-23 19:00:00 UTC
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.. tags:
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.. category:
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.. link:
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.. description:
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.. type: text
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.. previewimage: /cover-images/translation-errors-and-the-big-oops.jpg
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With much fanfare, we released OpenLP 2.2 last Sunday. It's been a roaring success so far, but sadly it has also been
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plagued by unforseen bugs. A number of users have had OpenLP just crash on startup, and some folks have been unable to
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play videos. In this blog post, I'll show you how to figure out which issue you're running into, and a workaround for
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it until we can get a fix out (hopefully in the next 2-3 weeks).
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There have been two main problems which cause OpenLP 2.2 to crash on startup. Firstly, three languages were hit by
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translation errors, and secondly, OpenLP on Linux won't start up due to VLC being missing.
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The issues with videos can be divided into two situations. Firstly, our initial build of OpenLP for Windows was unable
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to detect VLC, and secondly, some folks might have been using video players that are not supported on their platforms
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anymore.
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Translation Issues
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^^^^^^^^^^^^^^^^^^
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The three languages affected by the translation bug are German, Estonian and Chinese (Taiwan). Fortunantely there is a
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workaround, just change the language back to the default English. But since OpenLP can't start you'll have have to
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change the settings where the settings are stored, which differs on platform.
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Diagnosing the Problem
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----------------------
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When this bug hits you'll see an error window opening up on startup, and the following Python traceback will be in
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there:
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.. code:: python
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Traceback (most recent call last):
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File "<string>", line 44, in <module>
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File "/Users/raoul/Projects/OpenLP/OpenLP-2.2/openlp/core/__init__.py", line 388, in main
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File "/Users/raoul/Projects/OpenLP/OpenLP-2.2/openlp/core/__init__.py", line 141, in run
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File "/Users/raoul/Projects/OpenLP/OpenLP-2.2/openlp/core/ui/mainwindow.py", line 526, in __init__
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File "/Users/raoul/Projects/OpenLP/OpenLP-2.2/openlp/core/ui/aboutform.py", line 44, in __init__
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File "/Users/raoul/Projects/OpenLP/OpenLP-2.2/openlp/core/ui/aboutform.py", line 50, in _setup
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File "/Users/raoul/Projects/OpenLP/OpenLP-2.2/openlp/core/ui/aboutdialog.py", line 82, in setup_ui
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File "/Users/raoul/Projects/OpenLP/OpenLP-2.2/openlp/core/ui/aboutdialog.py", line 264, in retranslate_ui
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TypeError: not all arguments converted during string formatting
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Fixing the Problem
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------------------
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**To change language on Windows:**
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1. Click on Start, Run
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2. Type in ``regedit.exe`` and press Enter
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3. Navigate down the tree to the OpenLP folder which is located at: ``HKEY_CURRENT_USER\Software\OpenLP\OpenLP\core``
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4. Click the attribute ``language`` and change it to ``en`` for English
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5. Save and close the Registry Editor
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6. Start OpenLP
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**To change language on Linux:**
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1. Open a text editor (Kate on KDE, Gedit on Gnome or Ubuntu)
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2. Open a file and look for ``/home/<user>/.config/OpenLP/OpenLP.conf`` (you may need to tell your file dialog to show
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hidden files)
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3. In the ``[core]`` section find ``language`` and change it to ``en`` for English
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4. Save the file and close your editor
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5. Start OpenLP
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**To change language on Mac OS X:**
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1. Open Finder and go to *Applications*
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2. In *Applications*, open the *Utilities* folder
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3. Open the *Terminal* application, this will open up a command prompt
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4. Type in ``defaults write org.openlp.OpenLP core.language en`` exactly as you see it here, and press <Enter>
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5. Close *Terminal*
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6. Start OpenLP
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VLC On Linux
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^^^^^^^^^^^^
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In some Linux distributions (notably Ubuntu and its derivatives), you may encounter and error when starting OpenLP.
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Diagnosing the Problem
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----------------------
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When OpenLP starts, you'll see an error window with the following traceback:
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.. code:: python
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Traceback (most recent call last):
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File "/usr/bin/openlp", line 44, in <module>
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main()
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File "/usr/share/openlp/openlp/core/__init__.py", line 384, in main
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sys.exit(application.run(qt_args))
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File "/usr/share/openlp/openlp/core/__init__.py", line 142, in run
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Registry().execute('bootstrap_initialise')
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File "/usr/share/openlp/openlp/core/common/registry.py", line 137, in execute
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result = function(*args, **kwargs)
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File "/usr/share/openlp/openlp/core/lib/pluginmanager.py", line 60, in bootstrap_initialise
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self.hook_media_manager()
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File "/usr/share/openlp/openlp/core/lib/pluginmanager.py", line 122, in hook_media_manager
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plugin.create_media_manager_item()
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File "/usr/share/openlp/openlp/core/lib/plugin.py", line 204, in create_media_manager_item
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self.media_item = self.media_item_class(self.main_window.media_dock_manager.media_dock, self)
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File "/usr/share/openlp/openlp/plugins/media/lib/mediaitem.py", line 56, in __init__
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super(MediaMediaItem, self).__init__(parent, plugin)
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File "/usr/share/openlp/openlp/core/lib/mediamanageritem.py", line 82, in __init__
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self.setup_item()
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File "/usr/share/openlp/openlp/plugins/media/lib/mediaitem.py", line 86, in setup_item
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self.media_controller.setup_display(self.display_controller.preview_display, False)
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File "/usr/share/openlp/openlp/core/ui/media/mediacontroller.py", line 322, in setup_display
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player.setup(display)
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File "/usr/share/openlp/openlp/core/ui/media/vlcplayer.py", line 147, in setup
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display.vlc_instance = vlc.Instance(command_line_options)
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File "/usr/share/openlp/openlp/core/ui/media/vendor/vlc.py", line 1359, in __new__
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return libvlc_new(len(args), args)
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File "/usr/share/openlp/openlp/core/ui/media/vendor/vlc.py", line 3355, in libvlc_new
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ctypes.c_void_p, ctypes.c_int, ListPOINTER(ctypes.c_char_p))
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File "/usr/share/openlp/openlp/core/ui/media/vendor/vlc.py", line 211, in _Cfunction
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raise NameError('no function %r' % (name,))
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NameError: no function 'libvlc_new'
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Fixing the Problem
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------------------
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The workaround is really simple: install VLC.
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Missing VLC on Windows
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^^^^^^^^^^^^^^^^^^^^^^
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If you were previously using VLC in Windows, and now can no longer play any media, this is probably due to a problem
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that arose when building OpenLP for Windows.
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Diagnosing the Problem
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----------------------
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When OpenLP starts you'll see an error window appear, and there should be a traceback like the one below:
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.. code:: python
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Traceback (most recent call last):
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File "D:\OpenLP_Development\OpenLP_Code\2.2\openlp\core\ui\servicemanager.py", line 1462, in on_make_live
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File "D:\OpenLP_Development\OpenLP_Code\2.2\openlp\core\ui\servicemanager.py", line 1478, in make_live
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File "D:\OpenLP_Development\OpenLP_Code\2.2\openlp\core\ui\slidecontroller.py", line 808, in add_service_manager_item
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File "D:\OpenLP_Development\OpenLP_Code\2.2\openlp\core\ui\slidecontroller.py", line 896, in _process_item
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File "D:\OpenLP_Development\OpenLP_Code\2.2\openlp\core\ui\slidecontroller.py", line 1360, in on_media_start
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File "D:\OpenLP_Development\OpenLP_Code\2.2\openlp\core\ui\media\mediacontroller.py", line 376, in video
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File "D:\OpenLP_Development\OpenLP_Code\2.2\openlp\core\ui\media\mediacontroller.py", line 532, in _check_file_type
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File "D:\OpenLP_Development\OpenLP_Code\2.2\openlp\core\ui\media\mediacontroller.py", line 345, in resize
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File "D:\OpenLP_Development\OpenLP_Code\2.2\openlp\core\ui\media\vlcplayer.py", line 234, in resize
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AttributeError: 'MainDisplay' object has no attribute 'vlc_widget'
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Fixing the Problem
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------------------
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The fix for this is really easy. We've already re-built OpenLP for Windows with a fix. Just re-download OpenLP and
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re-install it.
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Missing Media Player
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^^^^^^^^^^^^^^^^^^^^
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In some instances you might find that you cannot play any videos.
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Diagnosing the Problem
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----------------------
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When you try to play media, you get an error message like this:
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File type unsupported
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Fixing the Problem
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------------------
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Some of the older built-in media players aren't currently supported in Windows and Mac OS X. If you encounter this,
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simply `download and install VLC`_, restart OpenLP, and you should be able to select VLC as your media player.
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Rolling out Fixes
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^^^^^^^^^^^^^^^^^
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We're really busy trying to track down and fix these issues, but as you can imagine it's not always that simple or that
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easy, so please be patient. We are hoping to get a release out by the end of next week. In the case of the
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translations, if you speak that language, please can you check out the `project on Transifex`_ and see if you can help
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fix it.
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Thanks for your patience and your support!
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[ Image Credit: `Coccinella - Lady bug, Macro`_ ]
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.. _download and install VLC: http://videolan.org/
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.. _project on Transifex: https://www.transifex.com/openlp/openlp/openlp-22x/
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.. _Coccinella - Lady bug, Macro: https://www.flickr.com/photos/ainet/2599394171/
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