65 lines
2.5 KiB
Python
65 lines
2.5 KiB
Python
# The MIT License (MIT)
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#
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# Copyright (c) 2016 Adam Schubert
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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from __future__ import annotations
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import gettext
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import logging
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from pathlib import Path
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logger = logging.getLogger(__name__)
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class FallBackNull(gettext.NullTranslations):
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def gettext(self, _message: str) -> str:
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# If we get here, that means that original translator failed, we will return empty string
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return ""
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class GetText:
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"""Handles language translations
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"""
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def __init__(self, locale_code: str, locale_location: str | None = None) -> None:
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"""Initialize GetText
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:param locale_code selected locale
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"""
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try:
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self.trans = self.load_locale(locale_code, locale_location)
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except OSError:
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logger.debug("Failed to find locale %s", locale_code)
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logger.debug("Attempting to load en_US as fallback")
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self.trans = self.load_locale("en_US")
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# Add fallback that does not return original string, this is hack to add
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# support for _("") or _("")
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self.trans.add_fallback(FallBackNull())
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def load_locale(self, locale_code: str, locale_location: str | None=None) -> gettext.GNUTranslations:
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dir_path = Path(locale_location) if locale_location else Path(__file__).resolve().parent.joinpath("locale")
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filename = dir_path.joinpath(f"{locale_code}.mo")
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with filename.open("rb") as f:
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trans = gettext.GNUTranslations(f)
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logger.debug("%s Loaded", filename)
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return trans
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