forked from zaclys/searxng
162 lines
5.3 KiB
Python
162 lines
5.3 KiB
Python
'''
|
|
searx is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
searx 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 Affero General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with searx. If not, see < http://www.gnu.org/licenses/ >.
|
|
|
|
(C) 2013- by Adam Tauber, <asciimoo@gmail.com>
|
|
'''
|
|
|
|
|
|
from lxml import etree
|
|
from json import loads
|
|
from urllib import urlencode
|
|
from searx.languages import language_codes
|
|
from searx.engines import (
|
|
categories, engines, engine_shortcuts
|
|
)
|
|
from searx.poolrequests import get
|
|
|
|
|
|
def searx_bang(full_query):
|
|
'''check if the searchQuery contain a bang, and create fitting autocompleter results'''
|
|
# check if there is a query which can be parsed
|
|
if len(full_query.getSearchQuery()) == 0:
|
|
return []
|
|
|
|
results = []
|
|
|
|
# check if current query stats with !bang
|
|
if full_query.getSearchQuery()[0] == '!':
|
|
if len(full_query.getSearchQuery()) == 1:
|
|
# show some example queries
|
|
# TODO, check if engine is not avaliable
|
|
results.append("!images")
|
|
results.append("!wikipedia")
|
|
results.append("!osm")
|
|
else:
|
|
engine_query = full_query.getSearchQuery()[1:]
|
|
|
|
# check if query starts with categorie name
|
|
for categorie in categories:
|
|
if categorie.startswith(engine_query):
|
|
results.append('!{categorie}'.format(categorie=categorie))
|
|
|
|
# check if query starts with engine name
|
|
for engine in engines:
|
|
if engine.startswith(engine_query.replace('_', ' ')):
|
|
results.append('!{engine}'.format(engine=engine.replace(' ', '_')))
|
|
|
|
# check if query starts with engine shortcut
|
|
for engine_shortcut in engine_shortcuts:
|
|
if engine_shortcut.startswith(engine_query):
|
|
results.append('!{engine_shortcut}'.format(engine_shortcut=engine_shortcut))
|
|
|
|
# check if current query stats with :bang
|
|
elif full_query.getSearchQuery()[0] == ':':
|
|
if len(full_query.getSearchQuery()) == 1:
|
|
# show some example queries
|
|
results.append(":en")
|
|
results.append(":en_us")
|
|
results.append(":english")
|
|
results.append(":united_kingdom")
|
|
else:
|
|
engine_query = full_query.getSearchQuery()[1:]
|
|
|
|
for lc in language_codes:
|
|
lang_id, lang_name, country = map(str.lower, lc)
|
|
|
|
# check if query starts with language-id
|
|
if lang_id.startswith(engine_query):
|
|
if len(engine_query) <= 2:
|
|
results.append(':{lang_id}'.format(lang_id=lang_id.split('_')[0]))
|
|
else:
|
|
results.append(':{lang_id}'.format(lang_id=lang_id))
|
|
|
|
# check if query starts with language name
|
|
if lang_name.startswith(engine_query):
|
|
results.append(':{lang_name}'.format(lang_name=lang_name))
|
|
|
|
# check if query starts with country
|
|
if country.startswith(engine_query.replace('_', ' ')):
|
|
results.append(':{country}'.format(country=country.replace(' ', '_')))
|
|
|
|
# remove duplicates
|
|
result_set = set(results)
|
|
|
|
# remove results which are already contained in the query
|
|
for query_part in full_query.query_parts:
|
|
if query_part in result_set:
|
|
result_set.remove(query_part)
|
|
|
|
# convert result_set back to list
|
|
return list(result_set)
|
|
|
|
|
|
def dbpedia(query):
|
|
# dbpedia autocompleter
|
|
autocomplete_url = 'http://lookup.dbpedia.org/api/search.asmx/KeywordSearch?' # noqa
|
|
|
|
response = get(autocomplete_url
|
|
+ urlencode(dict(QueryString=query)))
|
|
|
|
results = []
|
|
|
|
if response.ok:
|
|
dom = etree.fromstring(response.content)
|
|
results = dom.xpath('//a:Result/a:Label//text()',
|
|
namespaces={'a': 'http://lookup.dbpedia.org/'})
|
|
|
|
return results
|
|
|
|
|
|
def duckduckgo(query):
|
|
# duckduckgo autocompleter
|
|
url = 'https://ac.duckduckgo.com/ac/?{0}&type=list'
|
|
|
|
resp = loads(get(url.format(urlencode(dict(q=query)))).text)
|
|
if len(resp) > 1:
|
|
return resp[1]
|
|
return []
|
|
|
|
|
|
def google(query):
|
|
# google autocompleter
|
|
autocomplete_url = 'http://suggestqueries.google.com/complete/search?client=toolbar&' # noqa
|
|
|
|
response = get(autocomplete_url
|
|
+ urlencode(dict(q=query)))
|
|
|
|
results = []
|
|
|
|
if response.ok:
|
|
dom = etree.fromstring(response.text)
|
|
results = dom.xpath('//suggestion/@data')
|
|
|
|
return results
|
|
|
|
|
|
def wikipedia(query):
|
|
# wikipedia autocompleter
|
|
url = 'https://en.wikipedia.org/w/api.php?action=opensearch&{0}&limit=10&namespace=0&format=json' # noqa
|
|
|
|
resp = loads(get(url.format(urlencode(dict(search=query)))).text)
|
|
if len(resp) > 1:
|
|
return resp[1]
|
|
return []
|
|
|
|
|
|
backends = {'dbpedia': dbpedia,
|
|
'duckduckgo': duckduckgo,
|
|
'google': google,
|
|
'wikipedia': wikipedia
|
|
}
|