1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
# -*- coding: utf-8 -*-
#
# Copyright (C) 2007 Lukáš Lalinský <lalinsky@gmail.com>
# Copyright (C) 2007,2009 Alexander Belchenko <bialix@ukr.net>
# Copyright (C) 2011 Canonical Ltd
#
# 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
# This module is copied from Bazaar Explorer and modified for bzr.
"""i18n and l10n support for Bazaar."""
import gettext as _gettext
import os
import sys
_translations = None
def gettext(message):
"""Translate message.
:returns: translated message as unicode.
"""
install()
return _translations.ugettext(message)
def ngettext(singular, plural, number):
"""Translate message with plural forms based on `number`.
:param singular: English language message in singular form
:param plural: English language message in plural form
:param number: the number this message should be translated for
:returns: translated message as unicode.
"""
install()
return _translations.ungettext(singular, plural, number)
def N_(msg):
"""Mark message for translation but don't translate it right away."""
return msg
def gettext_per_paragraph(message):
"""Translate message per paragraph.
:returns: concatenated translated message as unicode.
"""
install()
paragraphs = message.split(u'\n\n')
ugettext = _translations.ugettext
# Be careful not to translate the empty string -- it holds the
# meta data of the .po file.
return u'\n\n'.join(ugettext(p) if p else u'' for p in paragraphs)
def disable_i18n():
"""Do not allow i18n to be enabled. Useful for third party users
of bzrlib."""
global _translations
_translations = _gettext.NullTranslations()
def installed():
"""Returns whether translations are in use or not."""
return _translations is not None
def install(lang=None):
"""Enables gettext translations in bzr."""
global _translations
if installed():
return
_translations = install_translations(lang)
def install_translations(lang=None, domain='bzr', locale_base=None):
"""Create a gettext translation object.
:param lang: language to install.
:param domain: translation domain to install.
:param locale_base: plugins can specify their own directory.
:returns: a gettext translations object to use
"""
if lang is None:
lang = _get_current_locale()
if lang is not None:
languages = lang.split(':')
else:
languages = None
translation = _gettext.translation(
domain,
localedir=_get_locale_dir(locale_base),
languages=languages,
fallback=True)
return translation
def add_fallback(fallback):
"""
Add a fallback translations object. Typically used by plugins.
:param fallback: gettext.GNUTranslations object
"""
install()
_translations.add_fallback(fallback)
def uninstall():
"""Disables gettext translations."""
global _translations
_translations = None
def _get_locale_dir(base):
"""Returns directory to find .mo translations file in, either local or system
:param base: plugins can specify their own local directory
"""
if hasattr(sys, 'frozen'):
if base is None:
base = os.path.dirname(
unicode(sys.executable, sys.getfilesystemencoding()))
return os.path.join(base, u'locale')
else:
if base is None:
base = os.path.dirname(unicode(__file__, sys.getfilesystemencoding()))
dirpath = os.path.realpath(os.path.join(base, u'locale'))
if os.path.exists(dirpath):
return dirpath
else:
return '/usr/share/locale'
def _check_win32_locale():
for i in ('LANGUAGE','LC_ALL','LC_MESSAGES','LANG'):
if os.environ.get(i):
break
else:
lang = None
import locale
try:
import ctypes
except ImportError:
# use only user's default locale
lang = locale.getdefaultlocale()[0]
else:
# using ctypes to determine all locales
lcid_user = ctypes.windll.kernel32.GetUserDefaultLCID()
lcid_system = ctypes.windll.kernel32.GetSystemDefaultLCID()
if lcid_user != lcid_system:
lcid = [lcid_user, lcid_system]
else:
lcid = [lcid_user]
lang = [locale.windows_locale.get(i) for i in lcid]
lang = ':'.join([i for i in lang if i])
# set lang code for gettext
if lang:
os.environ['LANGUAGE'] = lang
def _get_current_locale():
if not os.environ.get('LANGUAGE'):
from bzrlib import config
lang = config.GlobalStack().get('language')
if lang:
os.environ['LANGUAGE'] = lang
return lang
if sys.platform == 'win32':
_check_win32_locale()
for i in ('LANGUAGE','LC_ALL','LC_MESSAGES','LANG'):
lang = os.environ.get(i)
if lang:
return lang
return None
def load_plugin_translations(domain):
"""Load the translations for a specific plugin.
:param domain: Gettext domain name (usually 'bzr-PLUGINNAME')
"""
locale_base = os.path.dirname(
unicode(__file__, sys.getfilesystemencoding()))
translation = install_translations(domain=domain,
locale_base=locale_base)
add_fallback(translation)
return translation
|