forked from Ponysearch/Ponysearch
123 lines
3.9 KiB
Python
123 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# This script generates languages.py from
|
|
# intersecting each engine's supported languages.
|
|
#
|
|
# The language's native names are obtained from
|
|
# Wikipedia's supported languages.
|
|
#
|
|
# Output file (languages.py) is written in current directory
|
|
# to avoid overwriting in case something goes wrong.
|
|
|
|
from requests import get
|
|
from re import sub
|
|
from lxml.html import fromstring, tostring
|
|
from json import loads
|
|
from sys import path
|
|
path.append('../searx')
|
|
from searx.engines import engines
|
|
|
|
# list of language names
|
|
wiki_languages_url = 'https://meta.wikimedia.org/wiki/List_of_Wikipedias'
|
|
google_languages_url = 'https://www.google.com/preferences?#languages'
|
|
|
|
google_json_name = 'google.preferences.langMap'
|
|
|
|
languages = {}
|
|
|
|
|
|
# To filter out invalid codes and dialects.
|
|
def valid_code(lang_code):
|
|
# filter invalid codes
|
|
if lang_code[:2] == 'xx'\
|
|
or lang_code == 'jw'\
|
|
or lang_code[-2:] == 'UK'\
|
|
or lang_code[-2:] == 'XA'\
|
|
or lang_code[-2:] == 'XL':
|
|
return False
|
|
|
|
# filter dialects
|
|
lang_code = lang_code.split('-')
|
|
if len(lang_code) > 2 or len(lang_code[0]) > 3:
|
|
return False
|
|
if len(lang_code) == 2 and len(lang_code[1]) > 2:
|
|
return False
|
|
|
|
return True
|
|
|
|
|
|
# Get language names from Wikipedia.
|
|
def get_wikipedia_languages():
|
|
response = get(wiki_languages_url)
|
|
dom = fromstring(response.text)
|
|
tables = dom.xpath('//table[contains(@class,"sortable")]')
|
|
for table in tables:
|
|
# exclude header row
|
|
trs = table.xpath('.//tr')[1:]
|
|
for tr in trs:
|
|
td = tr.xpath('./td')
|
|
code = td[3].xpath('./a')[0].text
|
|
name = td[2].xpath('./a')[0].text
|
|
english_name = td[1].xpath('./a')[0].text
|
|
articles = int(td[4].xpath('./a/b')[0].text.replace(',',''))
|
|
|
|
# exclude language variants and languages with few articles
|
|
if code not in languages and articles >= 1000 and valid_code(code):
|
|
languages[code] = (name, '', english_name)
|
|
|
|
|
|
# Get language names from Google.
|
|
def get_google_languages():
|
|
response = get(google_languages_url)
|
|
dom = fromstring(response.text)
|
|
options = dom.xpath('//select[@name="hl"]/option')
|
|
for option in options:
|
|
code = option.xpath('./@value')[0]
|
|
name = option.text[:-1]
|
|
|
|
if code not in languages and valid_code(code):
|
|
languages[code] = (name, '', '')
|
|
|
|
|
|
# Join all language lists.
|
|
# iterate all languages supported by each engine
|
|
def join_language_lists():
|
|
for engine_name in engines:
|
|
for locale in engines[engine_name].supported_languages:
|
|
locale = locale.replace('_', '-')
|
|
if locale not in languages and valid_code(locale):
|
|
# try to get language name
|
|
language = languages.get(locale.split('-')[0], None)
|
|
if language == None:
|
|
print engine_name + ": " + locale
|
|
continue
|
|
|
|
(name, country, english) = language
|
|
languages[locale] = (name, country, english)
|
|
|
|
|
|
# Write languages.py.
|
|
def write_languages_file():
|
|
new_file = open('languages.py', 'w')
|
|
file_content = '# -*- coding: utf-8 -*-\n'
|
|
file_content += '# list of language codes\n'
|
|
file_content += '# this file is generated automatically by utils/update_search_languages.py\n'
|
|
file_content += '\nlanguage_codes = ('
|
|
for code in languages:
|
|
(name, country, english) = languages[code]
|
|
file_content += '\n (u"' + code + '"'\
|
|
+ ', u"' + name + '"'\
|
|
+ ', u"' + country + '"'\
|
|
+ ', u"' + english + '"),'
|
|
# remove last comma
|
|
file_content = file_content[:-1]
|
|
file_content += '\n)\n'
|
|
new_file.write(file_content.encode('utf8'))
|
|
new_file.close()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
get_wikipedia_languages()
|
|
get_google_languages()
|
|
join_language_lists()
|
|
write_languages_file()
|