Getting translation packages installed automagically
Colin Watson
cjwatson at ubuntu.com
Fri Sep 25 10:15:09 BST 2009
On Thu, Sep 24, 2009 at 02:31:26AM +0800, Arne Goetje wrote:
> as you might know, we have a number of translation related packages for
> a given language in addition to the regular language-packs. For example:
> language-pack-gnome-*, language-pack-kde-*, thunderbird-locale-*,
> openoffice.org-l10n-*, etc..
> These additional packages should only be installed when the user also
> has the main packages installed for which the translations make sense.
> The functionality to detect this and mark the additional packages for
> installation is currently in language-selector.
> That means, we currently have the situation that a user needs to run
> language-selector manually in order to get full language support installed.
>
> A related bug report for this is here:
> https://bugs.launchpad.net/bugs/434173
>
> I have created a command line tool as part of language-selector, which
> does the check for missing packages, so it's not necessary to run the
> full gnome-language-selector for this task.
This is great, thanks.
> The code is here: lp:~arnegoetje/language-selector/language-selector-karmic
>
> The tool is called 'check-language-support' and can optionally take the
> argument -l, followed by a language-code (e.g. es_US, fi, zh-hant,
> ca_ES at valencia)
> It returns a list of missing packages, separated by space.
> If no language argument is given, the code will check for all already
> installed language-packs or those which are marked as to be installed
> and return the list of missing packages for all languages on the system.
Can we get this into the archive as soon as possible? Is somebody
already looking at sponsoring this, or do you need (e.g.) me to do it?
> The idea is, that the installer runs this tool if network connectivity
> is available before the packages are actually installed, parses the
> output of 'check-language-support -l TARGET_LANGUAGE_CODE' and mark
> those packages for installation. Then the user will get a fully
> localized system right from the start.
In fact, I think the installer should just run it unconditionally, as
some of the necessary packages may be available on the CD. (The fact
that we can now include only *some* of the necessary packages on CDs
relatively easily is a big advantage of this work, as I understand it.)
I think I can implement this in pkgsel and ubiquity fairly
straightforwardly.
There's one extra feature I'll need in check-language-support, though:
pkgsel has an option to install support for all languages, which is used
in all special cases. I have a branch for this but some problems with
the upgrade to bzr 2.0 mean that I apparently can't push this to
Launchpad at the moment; instead, I've attached a merge directive to
this mail which you can merge using 'bzr merge check-all.bundle'.
Thanks,
--
Colin Watson [cjwatson at ubuntu.com]
-------------- next part --------------
# Bazaar merge directive format 2 (Bazaar 0.90)
# revision_id: cjwatson at canonical.com-20090925090704-y2poysa7k9ewog30
# target_branch: ../language-selector-karmic
# testament_sha1: 95a7ec6f1ee4aa91ba8e895f33a39f74f93e5c0b
# timestamp: 2009-09-25 10:12:20 +0100
# base_revision_id: arne at canonical.com-20090923174456-ehiurxarbx7z3w7z
#
# Begin patch
=== modified file 'check-language-support'
--- check-language-support 2009-09-23 17:44:56 +0000
+++ check-language-support 2009-09-25 09:07:04 +0000
@@ -23,7 +23,7 @@
if pkg in self and \
not self[pkg].isInstalled and \
not self[pkg].markedInstall:
- self.missing.append(pkg)
+ self.missing.add(pkg)
if pkgcode in self.pkg_translations:
for (pkg, translation) in self.pkg_translations[pkgcode]:
if pkg in self and \
@@ -31,7 +31,7 @@
self[pkg].markedInstall) and \
not self[translation].isInstalled and \
not self[translation].markedInstall:
- self.missing.append(translation)
+ self.missing.add(translation)
if pkgcode in self.pkg_writing and \
(pkgcode == self.system_pkgcode or \
@@ -49,7 +49,7 @@
not self[pull_pkg].isInstalled and \
not self[pull_pkg].markedInstall and \
added == 0:
- self.missing.append(pull_pkg)
+ self.missing.add(pull_pkg)
added = 1
else:
if pkg in self and \
@@ -58,7 +58,7 @@
pull_pkg in self and \
not self[pull_pkg].isInstalled and \
not self[pull_pkg].markedInstall:
- self.missing.append(pull_pkg)
+ self.missing.add(pull_pkg)
def __init__(self, options):
self.BLACKLIST = os.path.join(options.datadir, 'data', 'blacklist')
@@ -81,7 +81,7 @@
self.pkg_writing = {}
filter_list = {}
blacklist = []
- self.missing = []
+ self.missing = set()
self.system_pkgcode = ''
for l in open(self.BLACKLIST):
@@ -180,7 +180,22 @@
self.getMissingPackages(self.system_pkgcode)
-
+ elif options.all:
+ # try all available languages
+ pkgcodes = []
+ for item in self.keys():
+ if item in blacklist:
+ continue
+ if item.startswith('language-pack-') and \
+ not item.startswith('language-pack-gnome') and \
+ not item.startswith('language-pack-kde') and \
+ not item.endswith('-base'):
+ pkgcode = item.replace('language-pack-', '')
+ pkgcodes.append(pkgcode)
+
+ for pkgcode in pkgcodes:
+ self.getMissingPackages(pkgcode)
+
else:
# get a list of language-packs we have already installed or are going to install
# 1. system locale
@@ -209,7 +224,7 @@
for pkgcode in pkgcodes:
self.getMissingPackages(pkgcode)
- print (' '.join(self.missing))
+ print (' '.join(sorted(self.missing)))
if __name__ == "__main__":
parser = OptionParser()
@@ -218,6 +233,8 @@
parser.add_option("-d", "--datadir",
default="/usr/share/language-selector/",
help=_("alternative datadir"))
+ parser.add_option("-a", "--all", action='store_true', default=False,
+ help=_("check all available languages"))
(options, args) = parser.parse_args()
# sanity check for language code
=== modified file 'data/check-language-support.1'
--- data/check-language-support.1 2009-09-23 16:55:04 +0000
+++ data/check-language-support.1 2009-09-25 09:05:14 +0000
@@ -15,5 +15,8 @@
\fB\-d\fR DATADIR, \fB\-\-datadir\fR=\fIDATADIR\f
use an alternative data directory instead of the default
.B /usr/share/language\-selector
+.TP
+\fB\-a\fR, \fB\-\-all\fR
+check all available languages
.SH AUTHOR
This manpage has been written by Arne Goetje <arne at ubuntu.com>
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