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# -*- coding: utf-8; Mode: Python; indent-tabs-mode: nil; tab-width: 4 -*-
# Copyright (C) 2006, 2007, 2008 Canonical Ltd.
# Written by Colin Watson <cjwatson@ubuntu.com>.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
from __future__ import print_function
import codecs
from functools import reduce
import locale
import os
import re
import subprocess
import sys
from ubiquity import im_switch, misc
def reset_locale(frontend):
frontend.start_debconf()
di_locale = frontend.db.get('debian-installer/locale')
if not di_locale:
# TODO cjwatson 2006-07-17: maybe fetch
# languagechooser/language-name and set a language based on
# that?
di_locale = 'en_US.UTF-8'
if 'LANG' not in os.environ or di_locale != os.environ['LANG']:
os.environ['LANG'] = di_locale
os.environ['LANGUAGE'] = di_locale
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error as e:
print('locale.setlocale failed: %s (LANG=%s)' % (e, di_locale),
file=sys.stderr)
im_switch.start_im()
return di_locale
_strip_context_re = None
def strip_context(unused_question, string):
# po-debconf context
global _strip_context_re
if _strip_context_re is None:
_strip_context_re = re.compile(r'\[\s[^\[\]]*\]$')
string = _strip_context_re.sub('', string)
return string
_translations = None
def get_translations(languages=None, core_names=[], extra_prefixes=[]):
"""Returns a dictionary {name: {language: description}} of translatable
strings.
If languages is set to a list, then only languages in that list will be
translated. If core_names is also set to a list, then any names in that
list will still be translated into all languages. If either is set, then
the dictionary returned will be built from scratch; otherwise, the last
cached version will be returned."""
global _translations
if (_translations is None or languages is not None or core_names or
extra_prefixes):
if languages is None:
use_langs = None
else:
use_langs = set('c')
for lang in languages:
ll_cc = lang.lower().split('.')[0]
ll = ll_cc.split('_')[0]
use_langs.add(ll_cc)
use_langs.add(ll)
prefixes = '|'.join((
'ubiquity',
'partman/text/undo_everything',
'partman/text/unusable',
'partman-basicfilesystems/bad_mountpoint',
'partman-basicfilesystems/text/specify_mountpoint',
'partman-basicmethods/text/format',
'partman-newworld/no_newworld',
'partman-partitioning',
'partman-crypto',
'partman-target/no_root',
'partman-target/text/method',
'grub-installer/bootdev',
'popularity-contest/participate',
))
prefixes = reduce(lambda x, y: x + '|' + y, extra_prefixes, prefixes)
_translations = {}
devnull = open('/dev/null', 'w')
db = subprocess.Popen(
['debconf-copydb', 'templatedb', 'pipe',
'--config=Name:pipe', '--config=Driver:Pipe',
'--config=InFd:none',
'--pattern=^(%s)' % prefixes],
bufsize=8192, stdout=subprocess.PIPE, stderr=devnull,
# necessary?
preexec_fn=misc.regain_privileges)
question = None
descriptions = {}
fieldsplitter = re.compile(br':\s*')
for line in db.stdout:
line = line.rstrip(b'\n')
if b':' not in line:
if question is not None:
_translations[question] = descriptions
descriptions = {}
question = None
continue
(name, value) = fieldsplitter.split(line, 1)
if value == b'':
continue
name = name.lower()
if name == b'name':
question = value.decode()
elif name.startswith(b'description'):
namebits = name.split(b'-', 1)
if len(namebits) == 1:
lang = 'c'
decoded_value = value.decode('ASCII', 'replace')
else:
lang = namebits[1].lower().decode()
lang, encoding = lang.split('.', 1)
decoded_value = value.decode(encoding, 'replace')
if (use_langs is None or lang in use_langs or
question in core_names):
decoded_value = strip_context(question, decoded_value)
descriptions[lang] = decoded_value.replace('\\n', '\n')
elif name.startswith(b'extended_description'):
namebits = name.split(b'-', 1)
if len(namebits) == 1:
lang = 'c'
decoded_value = value.decode('ASCII', 'replace')
else:
lang = namebits[1].lower().decode()
lang, encoding = lang.split('.', 1)
decoded_value = value.decode(encoding, 'replace')
if (use_langs is None or lang in use_langs or
question in core_names):
decoded_value = strip_context(question, decoded_value)
if lang not in descriptions:
descriptions[lang] = decoded_value.replace('\\n', '\n')
# TODO cjwatson 2006-09-04: a bit of a hack to get the
# description and extended description separately ...
if question in ('grub-installer/bootdev',
'partman-newworld/no_newworld',
'ubiquity/text/error_updating_installer'):
descriptions["extended:%s" % lang] = \
decoded_value.replace('\\n', '\n')
db.stdout.close()
db.wait()
devnull.close()
return _translations
string_questions = {
'new_size_label': 'partman-partitioning/new_size',
'partition_create_heading_label': 'partman-partitioning/text/new',
'partition_create_type_label': 'partman-partitioning/new_partition_type',
'partition_mount_label': (
'partman-basicfilesystems/text/specify_mountpoint'),
'partition_use_label': 'partman-target/text/method',
'partition_create_place_label': 'partman-partitioning/new_partition_place',
'partition_edit_format_checkbutton': 'partman-basicmethods/text/format',
'grub_device_dialog': 'grub-installer/bootdev',
'grub_device_label': 'grub-installer/bootdev',
'encryption_algorithm': 'partman-crypto/text/specify_cipher',
'partition_encryption_key_size': 'partman-crypto/text/specify_keysize',
'crypto_iv_algorithm': 'partman-crypto/text/specify_ivalgorithm',
# TODO: it would be nice to have a neater way to handle stock buttons
'quit': 'ubiquity/imported/quit',
'back': 'ubiquity/imported/go-back',
'cancelbutton': 'ubiquity/imported/cancel',
'exitbutton': 'ubiquity/imported/quit',
'closebutton1': 'ubiquity/imported/close',
'cancelbutton1': 'ubiquity/imported/cancel',
'okbutton1': 'ubiquity/imported/ok',
}
string_extended = set()
def map_widget_name(prefix, name):
"""Map a widget name to its translatable template."""
if prefix is None:
prefix = 'ubiquity/text'
if '/' in name and not name.startswith('password/'):
question = name
elif name in string_questions:
question = string_questions[name]
else:
if name.endswith('1'):
name = name[:-1]
question = '%s/%s' % (prefix, name)
return question
def get_string(name, lang, prefix=None):
"""Get the translation of a single string."""
question = map_widget_name(prefix, name)
translations = get_translations()
if question not in translations:
return None
if lang is None:
lang = 'c'
else:
lang = lang.lower()
if name in string_extended:
lang = 'extended:%s' % lang
if lang in translations[question]:
text = translations[question][lang]
else:
ll_cc = lang.split('.')[0]
ll = ll_cc.split('_')[0]
if ll_cc in translations[question]:
text = translations[question][ll_cc]
elif ll in translations[question]:
text = translations[question][ll]
elif lang.startswith('extended:'):
text = translations[question]['extended:c']
else:
text = translations[question]['c']
return text
# Based on code by Walter Dörwald:
# http://mail.python.org/pipermail/python-list/2007-January/424460.html
def ascii_transliterate(exc):
if not isinstance(exc, UnicodeEncodeError):
raise TypeError("don't know how to handle %r" % exc)
import unicodedata
s = unicodedata.normalize('NFD', exc.object[exc.start])[:1]
if ord(s) in range(128):
return s, exc.start + 1
else:
return '', exc.start + 1
codecs.register_error('ascii_transliterate', ascii_transliterate)
# Returns a tuple of (current language, sorted choices, display map).
def get_languages(current_language_index=-1, only_installable=False):
import gzip
import icu
current_language = "English"
if only_installable:
from apt.cache import Cache
# workaround for an issue where euid != uid and the
# apt cache has not yet been loaded causing a SystemError
# when libapt-pkg tries to load the Cache the first time.
with misc.raised_privileges():
cache = Cache()
languagelist = gzip.open(
'/usr/lib/ubiquity/localechooser/languagelist.data.gz')
language_display_map = {}
i = 0
for line in languagelist:
line = misc.utf8(line)
if line == '' or line == '\n':
continue
code, name, trans = line.strip('\n').split(':')[1:]
if code in ('C', 'dz', 'km'):
i += 1
continue
# KDE fails to round-trip strings containing U+FEFF ZERO WIDTH
# NO-BREAK SPACE, and we don't care about the NBSP anyway, so strip
# it.
# https://bugs.launchpad.net/bugs/1001542
# (comment # 5 and on)
trans = trans.strip(" \ufeff")
if only_installable:
pkg_name = 'language-pack-%s' % code
# special case these
if pkg_name.endswith('_CN'):
pkg_name = 'language-pack-zh-hans'
elif pkg_name.endswith('_TW'):
pkg_name = 'language-pack-zh-hant'
elif pkg_name.endswith('_NO'):
pkg_name = pkg_name.split('_NO')[0]
elif pkg_name.endswith('_BR'):
pkg_name = pkg_name.split('_BR')[0]
try:
pkg = cache[pkg_name]
if not (pkg.installed or pkg.candidate):
i += 1
continue
except KeyError:
i += 1
continue
language_display_map[trans] = (name, code)
if i == current_language_index:
current_language = trans
i += 1
languagelist.close()
if only_installable:
del cache
try:
# Note that we always collate with the 'C' locale. This is far
# from ideal. But proper collation always requires a specific
# language for its collation rules (languages frequently have
# custom sorting). This at least gives us common sorting rules,
# like stripping accents.
collator = icu.Collator.createInstance(icu.Locale('C'))
except Exception:
collator = None
def compare_choice(x):
if language_display_map[x][1] == 'C':
return None # place C first
if collator:
try:
return collator.getCollationKey(x).getByteArray()
except Exception:
pass
# Else sort by unicode code point, which isn't ideal either,
# but also has the virtue of sorting like-glyphs together
return x
sorted_choices = sorted(language_display_map, key=compare_choice)
return current_language, sorted_choices, language_display_map
def default_locales():
with open('/usr/lib/ubiquity/localechooser/languagelist') as languagelist:
defaults = {}
for line in languagelist:
line = misc.utf8(line)
if line == '' or line == '\n':
continue
bits = line.strip('\n').split(';')
code = bits[0]
locale = bits[4]
defaults[code] = locale
return defaults
# vim:ai:et:sts=4:tw=80:sw=4:
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