| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| import json |
| import os |
| from typing import Any, Dict, Optional |
| |
| # Global caching for JSON language packs |
| ALL_LANGUAGE_PACKS: Dict[str, Dict[str, Any]] = {"en": {}} |
| |
| DIR = os.path.dirname(os.path.abspath(__file__)) |
| |
| |
| def get_language_pack(locale: str) -> Optional[Dict[str, Any]]: |
| """Get/cache a language pack |
| |
| Returns the langugage pack from cache if it exists, caches otherwise |
| |
| >>> get_language_pack('fr')['Dashboards'] |
| "Tableaux de bords" |
| """ |
| pack = ALL_LANGUAGE_PACKS.get(locale) |
| if not pack: |
| filename = DIR + "/{}/LC_MESSAGES/messages.json".format(locale) |
| try: |
| with open(filename, encoding="utf8") as f: |
| pack = json.load(f) |
| ALL_LANGUAGE_PACKS[locale] = pack or {} |
| except Exception: # pylint: disable=broad-except |
| # Assuming english, client side falls back on english |
| pass |
| return pack |
