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f76202dd59
Support for saving it in the session is dropped in django3, the cookie is the mechanism that needs to be used. The relevant i18n code doesn't have access to the response objects and thus needs to delegate setting the cookie to LocaleMiddleware. Fixes the LocaleMiddleware point of #16030.
105 lines
3.6 KiB
Python
105 lines
3.6 KiB
Python
# See https://zulip.readthedocs.io/en/latest/translating/internationalization.html
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import logging
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import operator
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import os
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from functools import lru_cache
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from itertools import zip_longest
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from typing import Any, Dict, List, Optional
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import orjson
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from django.conf import settings
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from django.http import HttpRequest
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from django.utils import translation
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@lru_cache()
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def get_language_list() -> List[Dict[str, Any]]:
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path = os.path.join(settings.DEPLOY_ROOT, 'locale', 'language_name_map.json')
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with open(path, "rb") as reader:
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languages = orjson.loads(reader.read())
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return languages['name_map']
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def get_language_list_for_templates(default_language: str) -> List[Dict[str, Dict[str, str]]]:
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language_list = [lang for lang in get_language_list()
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if 'percent_translated' not in lang or
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lang['percent_translated'] >= 5.]
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formatted_list = []
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lang_len = len(language_list)
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firsts_end = (lang_len // 2) + operator.mod(lang_len, 2)
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firsts = list(range(0, firsts_end))
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seconds = list(range(firsts_end, lang_len))
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assert len(firsts) + len(seconds) == lang_len
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for row in zip_longest(firsts, seconds):
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item = {}
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for position, ind in zip(['first', 'second'], row):
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if ind is None:
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continue
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lang = language_list[ind]
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percent = name = lang['name']
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if 'percent_translated' in lang:
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percent = "{} ({}%)".format(name, lang['percent_translated'])
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selected = False
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if default_language in (lang['code'], lang['locale']):
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selected = True
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item[position] = {
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'name': name,
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'code': lang['code'],
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'percent': percent,
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'selected': selected,
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}
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formatted_list.append(item)
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return formatted_list
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def get_language_name(code: str) -> str:
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for lang in get_language_list():
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if code in (lang['code'], lang['locale']):
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return lang['name']
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# Log problem, but still return a name
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logging.error("Unknown language code '%s'", code)
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return "Unknown"
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def get_available_language_codes() -> List[str]:
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language_list = get_language_list()
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codes = [language['code'] for language in language_list]
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return codes
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def get_language_translation_data(language: str) -> Dict[str, str]:
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if language == 'en':
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return {}
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locale = translation.to_locale(language)
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path = os.path.join(settings.DEPLOY_ROOT, 'locale', locale, 'translations.json')
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try:
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with open(path, "rb") as reader:
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return orjson.loads(reader.read())
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except FileNotFoundError:
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print(f'Translation for {language} not found at {path}')
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return {}
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def get_and_set_request_language(
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request: HttpRequest,
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user_configured_language: str,
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testing_url_language: Optional[str]=None
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) -> str:
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# We pick a language for the user as follows:
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# * First priority is the language in the URL, for debugging.
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# * If not in the URL, we use the language from the user's settings.
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request_language = testing_url_language
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if request_language is None:
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request_language = user_configured_language
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translation.activate(request_language)
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# We also want to save the language to the user's cookies, so that
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# something reasonable will happen in logged-in portico pages.
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# We accomplish that by setting a flag on the request which signals
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# to LocaleMiddleware to set the cookie on the response.
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request._set_language = translation.get_language()
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return request_language
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