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