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
|
#!/usr/bin/python3
# locale_utils.py
#
# Copyright:
# Copyright (C) 2024-2025 Bernd Schumacher <bernd@bschu.de>
#
# License: GPL-3.0+
# 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 3 of the License, or
# (at your option) any later version.
# .
# This package 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, see <https://www.gnu.org/licenses/>.
# Comment:
# On Debian systems, the complete text of the GNU General
# Public License version 3 can be found in
# "/usr/share/common-licenses/GPL-3".
""" locale utils """
import os
import gettext
import locale
from copy import copy
from inspect import currentframe
def init_locale():
"""
Set defaults for global variable "_"
"""
ret = gettext.gettext # allow _("...") to mark stings as translateable
# set locale for all categories as defined in LANG
locale.setlocale(locale.LC_ALL, "")
# use local po directory if exists
locale.bindtextdomain("cashbox", "po/locale" if os.path.isdir("po/locale")
else "/usr/share/locale")
locale.textdomain("cashbox")
gettext.bindtextdomain("cashbox", "po/locale" if os.path.isdir("po/locale")
else "/usr/share/locale")
gettext.textdomain("cashbox")
return ret
# init global variable _ to be included by other modules
if "_" not in globals():
_ = init_locale()
def f(s: str) -> str:
"""
There are problems when using gettext and f-string:
name="world"
_(f"hello {name}")
This is not possible, because f-string will modify the string.
And the modified string can not be found in the translation.
This workaround allows:
name="world"
f(_("hello {name}"))
"""
frame = currentframe().f_back
kwargs = copy(frame.f_globals)
kwargs.update(frame.f_locals)
return s.format(**kwargs)
|
