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"""
Gigablast (Web)
@website https://gigablast.com
@provide-api yes (https://gigablast.com/api.html)
@using-api yes
@results XML
@stable yes
@parse url, title, content
"""
import random
from json import loads
from time import time
from lxml.html import fromstring
from searx.poolrequests import get
from searx.url_utils import urlencode
from searx.utils import eval_xpath
# engine dependent config
categories = ['general']
paging = True
number_of_results = 10
language_support = True
safesearch = True
# search-url
base_url = 'https://gigablast.com/'
search_string = 'search?{query}'\
'&n={number_of_results}'\
'&c=main'\
'&s={offset}'\
'&format=json'\
'&langcountry={lang}'\
'&ff={safesearch}'\
'&rand={rxikd}'
# specific xpath variables
results_xpath = '//response//result'
url_xpath = './/url'
title_xpath = './/title'
content_xpath = './/sum'
extra_param = '' # gigablast requires a random extra parameter
# which can be extracted from the source code of the search page
def parse_extra_param(text):
global extra_param
param_lines = [x for x in text.splitlines() if x.startswith('var url=') or x.startswith('url=url+')]
extra_param = ''
for l in param_lines:
extra_param += l.split("'")[1]
extra_param = extra_param.split('&')[-1]
def init(engine_settings=None):
parse_extra_param(get('http://gigablast.com/search?c=main&qlangcountry=en-us&q=south&s=10').text)
# do search-request
def request(query, params):
offset = (params['pageno'] - 1) * number_of_results
if params['language'] == 'all':
language = 'xx'
else:
language = params['language'].replace('-', '_').lower()
if language.split('-')[0] != 'zh':
language = language.split('-')[0]
if params['safesearch'] >= 1:
safesearch = 1
else:
safesearch = 0
# rxieu is some kind of hash from the search query, but accepts random atm
search_path = search_string.format(query=urlencode({'q': query}),
offset=offset,
number_of_results=number_of_results,
lang=language,
rxikd=int(time() * 1000),
safesearch=safesearch)
params['url'] = base_url + search_path + '&' + extra_param
return params
# get response from search-request
def response(resp):
results = []
# parse results
try:
response_json = loads(resp.text)
except:
parse_extra_param(resp.text)
raise Exception('extra param expired, please reload')
for result in response_json['results']:
# append result
results.append({'url': result['url'],
'title': result['title'],
'content': result['sum']})
# return results
return results
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