109 lines
3.4 KiB
Python
109 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2019 pwr
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from .iso_language_names import LANGUAGE_NAMES as _LANGUAGE_NAMES
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from . import logger
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log = logger.create()
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try:
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from iso639 import languages, __version__
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get = languages.get
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except ImportError:
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from pycountry import languages as pyc_languages
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try:
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import pkg_resources
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__version__ = pkg_resources.get_distribution('pycountry').version + ' (PyCountry)'
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del pkg_resources
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except (ImportError, Exception):
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__version__ = "? (PyCountry)"
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def _copy_fields(l):
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l.part1 = getattr(l, 'alpha_2', None)
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l.part3 = getattr(l, 'alpha_3', None)
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return l
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def get(name=None, part1=None, part3=None):
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if part3 is not None:
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return _copy_fields(pyc_languages.get(alpha_3=part3))
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if part1 is not None:
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return _copy_fields(pyc_languages.get(alpha_2=part1))
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if name is not None:
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return _copy_fields(pyc_languages.get(name=name))
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def get_language_names(locale):
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names = _LANGUAGE_NAMES.get(str(locale))
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if names is None:
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names = _LANGUAGE_NAMES.get(locale.language)
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return names
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def get_language_name(locale, lang_code):
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UNKNOWN_TRANSLATION = "Unknown"
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names = get_language_names(locale)
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if names is None:
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log.error(f"Missing language names for locale: {str(locale)}/{locale.language}")
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return UNKNOWN_TRANSLATION
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name = names.get(lang_code, UNKNOWN_TRANSLATION)
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if name == UNKNOWN_TRANSLATION:
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log.error("Missing translation for language name: {}".format(lang_code))
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return name
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def get_language_codes(locale, language_names, remainder=None):
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language_names = set(x.strip().lower() for x in language_names if x)
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lang = list()
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for k, v in get_language_names(locale).items():
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v = v.lower()
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if v in language_names:
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lang.append(k)
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language_names.remove(v)
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if remainder is not None and language_names:
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remainder.extend(language_names)
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return lang
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def get_valid_language_codes(locale, language_names, remainder=None):
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lang = list()
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if "" in language_names:
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language_names.remove("")
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for k, __ in get_language_names(locale).items():
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if k in language_names:
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lang.append(k)
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language_names.remove(k)
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if remainder is not None and len(language_names):
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remainder.extend(language_names)
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return lang
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def get_lang3(lang):
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try:
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if len(lang) == 2:
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ret_value = get(part1=lang).part3
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elif len(lang) == 3:
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ret_value = lang
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else:
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ret_value = ""
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except KeyError:
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ret_value = lang
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return ret_value
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