mirror of https://github.com/zulip/zulip.git
103 lines
3.5 KiB
Python
103 lines
3.5 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 save the language to the user's session, so that
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# something reasonable will happen in logged-in portico pages.
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request.session[translation.LANGUAGE_SESSION_KEY] = translation.get_language()
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return request_language
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