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Fix calibre not running on linux systems that set LANG to an empty string

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This commit is contained in:
Kovid Goyal 2012-01-24 10:15:11 +05:30
parent d28ea799f2
commit c90199efc3
1 changed files with 7 additions and 6 deletions
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13
src/calibre/utils/localization.py
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@ -27,7 +27,7 @@ def get_lang():
from calibre.utils.config_base import prefs from calibre.utils.config_base import prefs
lang = prefs['language'] lang = prefs['language']
lang = os.environ.get('CALIBRE_OVERRIDE_LANG', lang) lang = os.environ.get('CALIBRE_OVERRIDE_LANG', lang)
if lang is not None: if lang:
return lang return lang
try: try:
lang = locale.getdefaultlocale(['LANGUAGE', 'LC_ALL', 'LC_CTYPE', lang = locale.getdefaultlocale(['LANGUAGE', 'LC_ALL', 'LC_CTYPE',
@ -45,7 +45,7 @@ def get_lang():
lang = match.group() lang = match.group()
if lang == 'zh': if lang == 'zh':
lang = 'zh_CN' lang = 'zh_CN'
if lang is None: if not lang:
lang = 'en' lang = 'en'
return lang return lang
@ -68,6 +68,8 @@ def set_translators():
# To test different translations invoke as # To test different translations invoke as
# CALIBRE_OVERRIDE_LANG=de_DE.utf8 program # CALIBRE_OVERRIDE_LANG=de_DE.utf8 program
lang = get_lang() lang = get_lang()
t = None
if lang: if lang:
buf = iso639 = None buf = iso639 = None
mpath = get_lc_messages_path(lang) mpath = get_lc_messages_path(lang)
@ -97,17 +99,16 @@ def set_translators():
except: except:
pass # No iso639 translations for this lang pass # No iso639 translations for this lang
t = None
if buf is not None: if buf is not None:
t = GNUTranslations(buf) t = GNUTranslations(buf)
if iso639 is not None: if iso639 is not None:
iso639 = GNUTranslations(iso639) iso639 = GNUTranslations(iso639)
t.add_fallback(iso639) t.add_fallback(iso639)
if t is None: if t is None:
t = NullTranslations() t = NullTranslations()
t.install(unicode=True, names=('ngettext',)) t.install(unicode=True, names=('ngettext',))
_iso639 = None _iso639 = None
_extra_lang_codes = { _extra_lang_codes = {