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#
# language.py: install data component that stores information about both
# installer runtime language choice and installed system
# language support.
#
# Copyright 2001-2005 Red Hat, Inc.
#
# This software may be freely redistributed under the terms of the GNU
# library public license.
#
# You should have received a copy of the GNU Library Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import os
import string
import locale
from rhpl.translate import cat
from rhpl.simpleconfig import SimpleConfigFile
import logging
log = logging.getLogger("anaconda")
# Converts a single language into a "language search path". For example,
# fr_FR.utf8@euro would become "fr_FR.utf8@eueo fr_FR.utf8 fr_FR fr"
def expandLangs(astring):
langs = [astring]
charset = None
# remove charset ...
if '.' in astring:
langs.append(string.split(astring, '.')[0])
if '@' in astring:
charset = string.split(astring, '@')[1]
# also add 2 character language code ...
if len(astring) > 2:
if charset: langs.append("%s@%s" %(astring[:2], charset))
langs.append(astring[:2])
return langs
class Language:
def __init__ (self, display_mode = "g"):
self.info = {}
self.default = None
self.nativeLangNames = {}
self.localeInfo = {}
self.displayMode = display_mode
self.targetLang = None
if os.environ.has_key("LANG"):
self.current = self.fixLang(os.environ["LANG"])
else:
self.current = "en_US.UTF-8"
# English name -> native name mapping
search = ('lang-names', '/usr/lib/anaconda/lang-names')
for path in search:
if os.access(path, os.R_OK):
f = open(path, 'r')
for line in f.readlines():
lang, native = string.split(line, '\t')
native = native.strip()
self.nativeLangNames[lang] = native
f.close()
break
# nick -> (name, short name, font, keyboard, timezone) mapping
search = ('lang-table', '/tmp/updates/lang-table',
'/mnt/source/RHupdates/lang-table', '/etc/lang-table',
'/usr/lib/anaconda/lang-table')
for path in search:
if os.access(path, os.R_OK):
f = open(path, "r")
break
for line in f.readlines():
string.strip(line)
l = string.split(line, '\t')
# throw out invalid lines
if len(l) < 6:
continue
self.localeInfo[l[3]] = (l[0], l[1], l[2], l[4], string.strip(l[5]))
f.close()
# Hard code this to prevent errors in the build environment.
self.localeInfo['C'] = self.localeInfo['en_US.UTF-8']
# Set the language for anaconda to be using based on current $LANG.
self.setRuntimeLanguage(self.fixLang(self.current))
self.setDefault(self.fixLang(self.current))
# Convert what might be a shortened form of a language's nick (en or
# en_US, for example) into the full version (en_US.UTF-8). If we
# don't find it, return our default of en_US.UTF-8.
def canonLangNick (self, nick):
for key in self.localeInfo.keys():
if nick in expandLangs(key):
return key
return 'en_US.UTF-8'
def getNickByName (self, name):
for k in self.localeInfo.keys():
row = self.localeInfo[k]
if row[0] == name:
return k
def fixLang(self, langToFix):
ret = None
if self.targetLang is not None or langToFix == "C":
return langToFix
if self.displayMode == "t":
for lang in self.localeInfo.keys():
if lang == langToFix:
(a, b, font, c, d) = self.localeInfo[lang]
if font == "none":
ret = "en_US.UTF-8"
self.targetLang = lang
if ret is None:
ret = langToFix
return ret
def getNativeLangName(self, lang):
return self.nativeLangNames[lang]
def getLangNameByNick(self, nick):
return self.localeInfo[self.canonLangNick(nick)][0]
def getFontFile (self, nick):
# Note: in /etc/fonts.cgz fonts are named by the map
# name as that's unique, font names are not
font = self.localeInfo[self.canonLangNick(nick)][2]
return font
def getDefaultKeyboard(self):
return self.localeInfo[self.canonLangNick(self.getCurrent())][3]
def getDefaultTimeZone(self):
return self.localeInfo[self.canonLangNick(self.getCurrent())][4]
def available (self):
return self.nativeLangNames.keys()
def getCurrentLangSearchList(self):
return expandLangs(self.getCurrent()) + ['C']
def getCurrent(self):
if self.targetLang is not None:
return self.targetLang
else:
return self.current
def getDefault(self):
if self.default:
return self.default
elif self.current:
nick = self.getNickByName (self.current)
return nick
else:
return 'en_US.UTF-8'
def setDefault(self, nick):
self.default = nick
dispLang = self.fixLang(self.canonLangNick(nick))
self.info['LANG'] = dispLang
self.info['SYSFONT'] = self.localeInfo[dispLang][2]
# XXX hack - because of exceptional cases on the var - zh_CN.GB2312
if nick == "zh_CN.GB18030":
self.info['LANGUAGE'] = "zh_CN.GB18030:zh_CN.GB2312:zh_CN"
def setRuntimeDefaults(self, nick):
canonNick = self.fixLang(self.canonLangNick(nick))
self.current = canonNick
def setRuntimeLanguage(self, nick):
canonNick = self.canonLangNick(nick)
self.setRuntimeDefaults(nick)
os.environ["LANG"] = self.fixLang(canonNick)
os.environ["LC_NUMERIC"] = 'C'
try:
locale.setlocale(locale.LC_ALL, "")
except locale.Error:
pass
cat.setlangs(expandLangs(os.environ["LANG"]))
def write(self, instPath):
f = open(instPath + "/etc/sysconfig/i18n", "w")
for key in self.info.keys():
if self.info[key] != None:
if key == "LANG" and self.targetLang is not None:
f.write("%s=\"%s\"\n" % (key, self.targetLang))
else:
f.write("%s=\"%s\"\n" % (key, self.info[key]))
f.close()
def writeKS(self, f):
if self.targetLang is not None:
f.write("lang %s\n" % self.targetLang)
else:
f.write("lang %s\n" % self.info['LANG'])
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