Default Languages on Ubuntu iso for 12.10?

[Steve Langasek]

On Wed, Sep 12, 2012 at 02:09:28PM -0500, Kate Stewart wrote:
> Looking at the current daily images,
> http://cdimage.ubuntu.com/daily-live/current/

> Now that feature freeze is passed, we may end up having some space to
> add some additional language packs back in, since we've made the
> decision to no longer restricted to the CD size.

> Is this the list that's historically been used to decide which ones 
> to carry?

> http://en.wikipedia.org/wiki/List_of_languages_by_number_of_native_speakers

> or was other criteria involved?  (am thinking of seb's comment at UDS
> for instance ;) )

The prioritized list is:

priority_langs = [ 'en', 'es',  'xh', 'pt', 'de', 'fr', 'bn', 'hi', 'ar', 'ru', 'zh', 'ja']

Historically the attached script is used for sizing in the lead-up to
release.  I thought this script was in bzr somewhere, but my copy isn't from
a checkout and I can't find it anywhere else in a search.  Maybe Martin has
one in bzr somewhere.

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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#!/usr/bin/env python

import warnings
warnings.filterwarnings("ignore", "apt API not stable yet", FutureWarning)

import apt, re, sys

apt_cache = apt.Cache()

# most spoken languages of the world, prioritized
priority_langs = [ 'en', 'es',  'xh', 'pt', 'de', 'fr', 'bn', 'hi', 'ar', 'ru',
    'zh', 'ja']

# dependencies of scim* packages which are language specific (not already on
# ubuntu-desktop)
scim_extra_depends = {
    # Japanese
    'scim-anthy': set(['anthy', 'libanthy0']),
    
    # Chinese
    'scim-chewing': set(['libchewing3', 'libchewing3-data']),
    'scim-pinyin': set(),
    'scim-tables-zh': set(['scim-modules-table']),

    # Korean
    'scim-hangul': set(),

    # various languages
    'scim-tables-additional': set(['scim-modules-table']),
}

extra_pkgs_counted = {'gnome': set(), 'kde': set(), '(gnome|kde)': set()}

def language_size(lang, mode):
    '''Return the cumulative size of all language packs related to the given
    language code.'''

    sum = 0
    name_re = re.compile('^language-pack-(?:%s-)?%s(?:-|$)' % (mode, lang))
    for p in apt_cache.keys():
        if name_re.match(p):
            sum += apt_cache[p].packageSize

    if sum == 0:
        raise Exception('Invalid language: %s' % lang)

    # add required scim packages from language-support
    if apt_cache.has_key('language-support-' + lang):
        for d in apt_cache['language-support-' + lang].candidateDependencies:
            dep = d.or_dependencies[0].name
            if dep.startswith('scim') and dep not in extra_pkgs_counted[mode]:
                sum += apt_cache[dep].packageSize
                extra_pkgs_counted[mode].add(dep)
                for extra_dep in scim_extra_depends[dep] - extra_pkgs_counted[mode]:
                    sum += apt_cache[extra_dep].packageSize
                    extra_pkgs_counted[mode].add(extra_dep)

    return sum

def all_languages():
    '''Return list of all available languages.'''

    langs = []
    for p in apt_cache.keys():
        if p.startswith('language-pack-'):
            comps = p.split('-')
            if len(comps) == 3:
                langs.append(comps[2])
    return langs

def main():
    # prioritize languages
    langs = all_languages()
    langs.sort()
    priority_langs.reverse()
    for pl in priority_langs:
        if pl in langs:
            langs.remove(pl)
            langs.insert(0, pl)

    gnomesum = 0
    kdesum = 0
    gnomekdesum = 0
    for l in langs:
        gsize = language_size(l, 'gnome')
        ksize = language_size(l, 'kde')
        gksize = language_size(l, '(gnome|kde)')
        gnomesum += gsize
        kdesum += ksize
	gnomekdesum += gksize

        if len(sys.argv) > 1 and sys.argv[1] == 'MB':
            print "%-5s  G: %8.2f  K: %8.2f  G+K: %8.2f  GSum: %8.2f  KSum: %8.2f G+KSum: %8.2f" % \
                (l, gsize/1048576., ksize/1048576., gksize/1048576.,
                 gnomesum/1048576., kdesum/1048576., gnomekdesum/1048576.)
        else:
            print "%-5s  G: %10i  K: %10i  G+K: %10i  GSum: %10i  KSum: %10i G+KSum: %10i" % \
                (l, gsize, ksize, gksize, gnomesum, kdesum, gnomekdesum)

if __name__ == '__main__':
    main()
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