forked from Icycoide/searxng
fix utils/fetch_languages to work with new languages
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4 changed files with 2912 additions and 1054 deletions
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@ -6,7 +6,7 @@
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# are written in current directory to avoid overwriting in case something goes wrong.
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import json
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import io
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from pprint import pformat
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from sys import path
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from babel import Locale, UnknownLocaleError
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from babel.languages import get_global
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@ -23,7 +23,7 @@ languages_file = 'languages.py'
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# Fetchs supported languages for each engine and writes json file with those.
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def fetch_supported_languages():
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engines_languages = {}
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engines_languages = dict()
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names = list(engines)
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names.sort()
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@ -51,19 +51,9 @@ def get_locale(lang_code):
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return None
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# Append engine_name to list of engines that support locale.
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def add_engine_counter(lang_code, engine_name, languages):
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if lang_code in languages:
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if 'counter' not in languages[lang_code]:
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languages[lang_code]['counter'] = [engine_name]
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elif engine_name not in languages[lang_code]['counter']:
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languages[lang_code]['counter'].append(engine_name)
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# Join all language lists.
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# TODO: Add language names from engine's language list if name not known by babel.
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def join_language_lists(engines_languages):
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language_list = {}
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language_list = dict()
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for engine_name in engines_languages:
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for lang_code in engines_languages[engine_name]:
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@ -76,32 +66,51 @@ def join_language_lists(engines_languages):
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# ensure that lang_code uses standard language and country codes
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if locale and locale.territory:
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lang_code = locale.language + '-' + locale.territory
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lang_code = "{lang}-{country}".format(lang=locale.language, country=locale.territory)
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short_code = lang_code.split('-')[0]
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# add locale if it's not in list
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if lang_code not in language_list:
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# add language without country if not in list
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if short_code not in language_list:
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if locale:
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language_list[lang_code] = {'name': locale.get_language_name().title(),
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'english_name': locale.english_name,
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'country': locale.get_territory_name() or ''}
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# also add language without country
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if locale.language not in language_list:
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language_list[locale.language] = {'name': locale.get_language_name().title(),
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'english_name': locale.english_name}
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# get language's data from babel's Locale object
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language_name = locale.get_language_name().title()
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english_name = locale.english_name.split(' (')[0]
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elif short_code in engines_languages['wikipedia']:
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# get language's data from wikipedia if not known by babel
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language_name = engines_languages['wikipedia'][short_code]['name']
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english_name = engines_languages['wikipedia'][short_code]['english_name']
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else:
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language_list[lang_code] = {}
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language_name = None
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english_name = None
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# add language to list
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language_list[short_code] = {'name': language_name,
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'english_name': english_name,
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'counter': set(),
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'countries': dict()}
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# add language with country if not in list
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if lang_code != short_code and lang_code not in language_list[short_code]['countries']:
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country_name = ''
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if locale:
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# get country name from babel's Locale object
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country_name = locale.get_territory_name()
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language_list[short_code]['countries'][lang_code] = {'country_name': country_name,
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'counter': set()}
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# count engine for both language_country combination and language alone
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add_engine_counter(lang_code, engine_name, language_list)
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add_engine_counter(lang_code.split('-')[0], engine_name, language_list)
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language_list[short_code]['counter'].add(engine_name)
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if lang_code != short_code:
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language_list[short_code]['countries'][lang_code]['counter'].add(engine_name)
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return language_list
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# Filter language list so it only includes the most supported languages and countries.
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# Filter language list so it only includes the most supported languages and countries
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def filter_language_list(all_languages):
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min_supported_engines = 10
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min_engines_per_lang = 15
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min_engines_per_country = 10
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main_engines = [engine_name for engine_name in engines.keys()
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if 'general' in engines[engine_name].categories and
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engines[engine_name].supported_languages and
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@ -110,82 +119,84 @@ def filter_language_list(all_languages):
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# filter list to include only languages supported by most engines or all default general engines
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filtered_languages = {code: lang for code, lang
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in all_languages.items()
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if (len(lang.get('counter', [])) >= min_supported_engines or
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all(main_engine in lang.get('counter', [])
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if (len(lang['counter']) >= min_engines_per_lang or
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all(main_engine in lang['counter']
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for main_engine in main_engines))}
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return filtered_languages
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def _copy_lang_data(lang, country_name=None):
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new_dict = dict()
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new_dict['name'] = all_languages[lang]['name']
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new_dict['english_name'] = all_languages[lang]['english_name']
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if country_name:
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new_dict['country_name'] = country_name
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return new_dict
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def _country_count(i):
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return len(countries[sorted_countries[i]]['counter'])
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# Add country codes to languages without one and filter out language codes.
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def assign_country_codes(filtered_languages, all_languages):
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sorted_languages = sorted(all_languages,
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key=lambda lang: len(all_languages[lang].get('counter', [])),
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reverse=True)
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previous_lang = None
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previous_code = None
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countries = 0
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for current_code in sorted(filtered_languages):
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current_lang = current_code.split('-')[0]
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# for each language get country codes supported by most engines or at least one country code
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filtered_languages_with_countries = dict()
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for lang, lang_data in filtered_languages.items():
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countries = lang_data['countries']
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filtered_countries = dict()
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# count country codes per language
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if current_lang == previous_lang:
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countries += 1
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# get language's country codes with enough supported engines
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for lang_country, country_data in countries.items():
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if len(country_data['counter']) >= min_engines_per_country:
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filtered_countries[lang_country] = _copy_lang_data(lang, country_data['country_name'])
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else:
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if previous_lang is not None:
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# if language has no single country code
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if countries == 0:
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# try to get country code with most supported engines
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for l in sorted_languages:
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l_parts = l.split('-')
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if len(l_parts) == 2 and l_parts[0] == previous_lang:
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filtered_languages[l] = all_languages[l]
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filtered_languages[l]['country'] = ''
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countries = 1
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break
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# add language without countries too if there's more than one country to choose from
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if len(filtered_countries) > 1:
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filtered_countries[lang] = _copy_lang_data(lang)
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elif len(filtered_countries) == 1:
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# if there's only one country per language, it's not necessary to show country name
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lang_country = next(iter(filtered_countries))
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filtered_countries[lang_country]['country_name'] = None
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if countries == 0:
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# get most likely country code from babel
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subtags = get_global('likely_subtags').get(previous_lang)
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if subtags:
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subtag_parts = subtags.split('_')
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new_code = subtag_parts[0] + '-' + subtag_parts[-1]
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filtered_languages[new_code] = all_languages[previous_lang]
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countries = 1
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# if no country has enough engines try to get most likely country code from babel
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if not filtered_countries:
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lang_country = None
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subtags = get_global('likely_subtags').get(lang)
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if subtags:
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country_code = subtags.split('_')[-1]
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if len(country_code) == 2:
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lang_country = "{lang}-{country}".format(lang=lang, country=country_code)
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if countries == 1:
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# remove countryless version of language if there's only one country
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del filtered_languages[previous_lang]
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if previous_code in filtered_languages:
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filtered_languages[previous_code]['country'] = ''
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if lang_country:
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filtered_countries[lang_country] = _copy_lang_data(lang)
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else:
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filtered_countries[lang] = _copy_lang_data(lang)
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countries = 0
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previous_lang = current_lang
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filtered_languages_with_countries.update(filtered_countries)
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previous_code = current_code
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return filtered_languages_with_countries
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# Write languages.py.
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def write_languages_file(languages):
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new_file = open(languages_file, 'wb')
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file_content = '# -*- coding: utf-8 -*-\n'\
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+ '# list of language codes\n'\
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+ '# this file is generated automatically by utils/update_search_languages.py\n'\
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+ '\nlanguage_codes = ('
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for code in sorted(languages):
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if 'name' in languages[code]:
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file_content += '\n ("' + code + '"'\
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+ ', "' + languages[code]['name'].split(' (')[0] + '"'\
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+ ', "' + languages[code].get('country', '') + '"'\
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+ ', "' + languages[code].get('english_name', '').split(' (')[0] + '"),'
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else:
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print('ignore ',languages[code])
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# remove last comma
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file_content = file_content[:-1]
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file_content += '\n)\n'
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new_file.write(file_content.encode())
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new_file.close()
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file_headers = (
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"# -*- coding: utf-8 -*-",
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"# list of language codes",
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"# this file is generated automatically by utils/fetch_languages.py",
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"language_codes ="
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)
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language_codes = tuple([
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(
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code,
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languages[code]['name'].split(' (')[0],
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languages[code].get('country_name') or '',
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languages[code].get('english_name') or ''
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) for code in sorted(languages)
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])
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with open(languages_file, 'w') as new_file:
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file_content = "{file_headers} \\\n{language_codes}".format(
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file_headers='\n'.join(file_headers),
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language_codes=pformat(language_codes, indent=4)
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)
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new_file.write(file_content)
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new_file.close()
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if __name__ == "__main__":
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@ -193,5 +204,4 @@ if __name__ == "__main__":
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engines_languages = fetch_supported_languages()
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all_languages = join_language_lists(engines_languages)
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filtered_languages = filter_language_list(all_languages)
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assign_country_codes(filtered_languages, all_languages)
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write_languages_file(filtered_languages)
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