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
|
import gettext
import typing
from collections import OrderedDict
from fastapi import Request
from jinja2 import contextfilter
import aurweb.config
SUPPORTED_LANGUAGES = OrderedDict({
"ar": "العربية",
"ast": "Asturianu",
"ca": "Català",
"cs": "Český",
"da": "Dansk",
"de": "Deutsch",
"el": "Ελληνικά",
"en": "English",
"es": "Español",
"es_419": "Español (Latinoamérica)",
"fi": "Suomi",
"fr": "Français",
"he": "עברית",
"hr": "Hrvatski",
"hu": "Magyar",
"it": "Italiano",
"ja": "日本語",
"nb": "Norsk",
"nl": "Nederlands",
"pl": "Polski",
"pt_BR": "Português (Brasil)",
"pt_PT": "Português (Portugal)",
"ro": "Română",
"ru": "Русский",
"sk": "Slovenčina",
"sr": "Srpski",
"tr": "Türkçe",
"uk": "Українська",
"zh_CN": "简体中文",
"zh_TW": "正體中文"
})
class Translator:
def __init__(self):
self._localedir = aurweb.config.get('options', 'localedir')
self._translator = {}
def get_translator(self, lang: str):
if lang not in self._translator:
self._translator[lang] = gettext.translation("aurweb",
self._localedir,
languages=[lang],
fallback=True)
return self._translator.get(lang)
def translate(self, s: str, lang: str):
return self.get_translator(lang).gettext(s)
# Global translator object.
translator = Translator()
def get_request_language(request: Request):
return request.cookies.get("AURLANG",
aurweb.config.get("options", "default_lang"))
def get_raw_translator_for_request(request: Request):
lang = get_request_language(request)
return translator.get_translator(lang)
def get_translator_for_request(request: Request):
"""
Determine the preferred language from a FastAPI request object and build a
translator function for it.
Example:
```python
_ = get_translator_for_request(request)
print(_("Hello"))
```
"""
lang = get_request_language(request)
def translate(message):
return translator.translate(message, lang)
return translate
@contextfilter
def tr(context: typing.Any, value: str):
""" A translation filter; example: {{ "Hello" | tr("de") }}. """
_ = get_translator_for_request(context.get("request"))
return _(value)
|
