130 lines
3.5 KiB
Python
130 lines
3.5 KiB
Python
"""
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Gigablast (Web)
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@website https://gigablast.com
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@provide-api yes (https://gigablast.com/api.html)
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@using-api yes
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@results XML
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@stable yes
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@parse url, title, content
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"""
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import random
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from json import loads
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from time import time
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from lxml.html import fromstring
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from searx.poolrequests import get
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from searx.url_utils import urlencode
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from searx.utils import eval_xpath
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# engine dependent config
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categories = ['general']
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paging = True
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number_of_results = 10
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language_support = True
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safesearch = True
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# search-url
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base_url = 'https://gigablast.com/'
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search_string = 'search?{query}'\
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'&n={number_of_results}'\
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'&c=main'\
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'&s={offset}'\
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'&format=json'\
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'&langcountry={lang}'\
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'&ff={safesearch}'\
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'&rand={rxikd}'
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# specific xpath variables
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results_xpath = '//response//result'
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url_xpath = './/url'
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title_xpath = './/title'
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content_xpath = './/sum'
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supported_languages_url = 'https://gigablast.com/search?&rxikd=1'
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extra_param = '' # gigablast requires a random extra parameter
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# which can be extracted from the source code of the search page
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def parse_extra_param(text):
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global extra_param
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param_lines = [x for x in text.splitlines() if x.startswith('var url=') or x.startswith('url=url+')]
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extra_param = ''
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for l in param_lines:
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extra_param += l.split("'")[1]
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extra_param = extra_param.split('&')[-1]
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def init(engine_settings=None):
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parse_extra_param(get('http://gigablast.com/search?c=main&qlangcountry=en-us&q=south&s=10').text)
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# do search-request
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def request(query, params):
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print("EXTRAPARAM:", extra_param)
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offset = (params['pageno'] - 1) * number_of_results
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if params['language'] == 'all':
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language = 'xx'
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else:
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language = params['language'].replace('-', '_').lower()
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if language.split('-')[0] != 'zh':
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language = language.split('-')[0]
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if params['safesearch'] >= 1:
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safesearch = 1
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else:
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safesearch = 0
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# rxieu is some kind of hash from the search query, but accepts random atm
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search_path = search_string.format(query=urlencode({'q': query}),
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offset=offset,
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number_of_results=number_of_results,
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lang=language,
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rxikd=int(time() * 1000),
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safesearch=safesearch)
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params['url'] = base_url + search_path + '&' + extra_param
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return params
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# get response from search-request
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def response(resp):
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results = []
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# parse results
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try:
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response_json = loads(resp.text)
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except:
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parse_extra_param(resp.text)
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raise Exception('extra param expired, please reload')
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for result in response_json['results']:
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# append result
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results.append({'url': result['url'],
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'title': result['title'],
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'content': result['sum']})
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# return results
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return results
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# get supported languages from their site
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def _fetch_supported_languages(resp):
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supported_languages = []
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dom = fromstring(resp.text)
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links = eval_xpath(dom, '//span[@id="menu2"]/a')
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for link in links:
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href = eval_xpath(link, './@href')[0].split('lang%3A')
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if len(href) == 2:
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code = href[1].split('_')
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if len(code) == 2:
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code = code[0] + '-' + code[1].upper()
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else:
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code = code[0]
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supported_languages.append(code)
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return supported_languages
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