Description

After upgrading from 1.5.3 to 1.9.2 and then to 1.9.3 error 500 shows up, mostly from:

File "/usr/lib/pymodules/python2.6/MoinMoin/theme/__init__.py", line 1553, in ui_lang_attr
    return ' lang="%s" dir="%s"' % (lang, i18n.getDirection(lang))
File "/usr/lib/pymodules/python2.6/MoinMoin/i18n/__init__.py", line 257, in getDirection
    return languages[lang]['x-direction']
TypeError: 'NoneType' object is unsubscriptable

Looks like ['x-direction'] doesn't exist.

Steps to reproduce

1. Install python-moinmoin (1.9.3) from Ubuntu natty/maverick repository on lucid (10.04) system - you have to do it manually (dpkg -i) because in lucid repo there is only python-moinmoin 1.9.2 version available
2. Set up wikifarm with apache and WSGI mod

3. Doesn't matter if language_default = 'en' or language_ignore_browser = True are set. Rest of settings is rather default.

Example

Internal server error 500

Component selection

• general

Details

Workaround

In /usr/lib/pymodules/python2.6/MoinMoin/i18n/__init__.py

• comment out default return languages...

• add return 'ltr'

def getDirection(lang):
    """ Return the text direction for a language, either 'ltr' or 'rtl'. """
    #return languages[lang]['x-direction']
    return 'ltr'

Discussion

en.po has the X-Direction metadata. So likely languages is still None. Maybe stop moin, clear the caches, start moin.

Once the language cache is initialized properly, it won't happen again.

• == Janek ==

  Which one is the language cache? I tried to clean all before with moin --config-dir=/etc/moin --wiki-url=MYWIKI maint cleancache and manually removing cache dir content from data/pages/PAGENAME/ . But this error was still there.

data/cache/i18n/*

Plan

• Priority:
• Assigned to:
• Status: bug title / analysis / fix likely not quite correct, issues is basically known but only happens in rare circumstances (e.g. on upgrade, wrong / incomplete cache, etc.).

CategoryMoinMoinBug