calibre-web/cps/isoLanguages.py

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