forked from zaclys/searxng
Adam Tauber
commit
80fd392d69
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@ -14,18 +14,76 @@ from lxml import html
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from searx.poolrequests import get
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from searx.engines.xpath import extract_text, extract_url
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# engine dependent config
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categories = ['general']
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paging = True
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language_support = True
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use_locale_domain = True
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# based on https://en.wikipedia.org/wiki/List_of_Google_domains and tests
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default_hostname = 'www.google.com'
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country_to_hostname = {
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'BG': 'www.google.bg', # Bulgaria
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'CZ': 'www.google.cz', # Czech Republic
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'DE': 'www.google.de', # Germany
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'DK': 'www.google.dk', # Denmark
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'AT': 'www.google.at', # Austria
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'CH': 'www.google.ch', # Switzerland
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'GR': 'www.google.gr', # Greece
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'AU': 'www.google.com.au', # Australia
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'CA': 'www.google.ca', # Canada
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'GB': 'www.google.co.uk', # United Kingdom
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'ID': 'www.google.co.id', # Indonesia
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'IE': 'www.google.ie', # Ireland
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'IN': 'www.google.co.in', # India
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'MY': 'www.google.com.my', # Malaysia
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'NZ': 'www.google.co.nz', # New Zealand
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'PH': 'www.google.com.ph', # Philippines
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'SG': 'www.google.com.sg', # Singapore
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# 'US': 'www.google.us', # United State, redirect to .com
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'ZA': 'www.google.co.za', # South Africa
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'AR': 'www.google.com.ar', # Argentina
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'CL': 'www.google.cl', # Chile
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'ES': 'www.google.es', # Span
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'MX': 'www.google.com.mx', # Mexico
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'EE': 'www.google.ee', # Estonia
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'FI': 'www.google.fi', # Finland
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'BE': 'www.google.be', # Belgium
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'FR': 'www.google.fr', # France
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'IL': 'www.google.co.il', # Israel
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'HR': 'www.google.hr', # Croatia
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'HU': 'www.google.hu', # Hungary
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'IT': 'www.google.it', # Italy
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'JP': 'www.google.co.jp', # Japan
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'KR': 'www.google.co.kr', # South Korean
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'LT': 'www.google.lt', # Lithuania
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'LV': 'www.google.lv', # Latvia
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'NO': 'www.google.no', # Norway
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'NL': 'www.google.nl', # Netherlands
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'PL': 'www.google.pl', # Poland
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'BR': 'www.google.com.br', # Brazil
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'PT': 'www.google.pt', # Portugal
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'RO': 'www.google.ro', # Romania
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'RU': 'www.google.ru', # Russia
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'SK': 'www.google.sk', # Slovakia
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'SL': 'www.google.si', # Slovenia (SL -> si)
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'SE': 'www.google.se', # Sweden
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'TH': 'www.google.co.th', # Thailand
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'TR': 'www.google.com.tr', # Turkey
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'UA': 'www.google.com.ua', # Ikraine
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# 'CN': 'www.google.cn', # China, only from china ?
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'HK': 'www.google.com.hk', # Hong kong
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'TW': 'www.google.com.tw' # Taiwan
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}
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# search-url
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google_hostname = 'www.google.com'
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search_path = '/search'
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maps_path = '/maps/'
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redirect_path = '/url'
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images_path = '/images'
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search_url = ('https://' +
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google_hostname +
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search_url = ('https://{hostname}' +
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search_path +
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'?{query}&start={offset}&gbv=1')
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@ -34,6 +92,7 @@ results_xpath = '//li[@class="g"]'
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url_xpath = './/h3/a/@href'
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title_xpath = './/h3'
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content_xpath = './/span[@class="st"]'
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content_misc_xpath = './/div[@class="f slp"]'
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suggestion_xpath = '//p[@class="_Bmc"]'
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images_xpath = './/div/a'
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@ -41,6 +100,7 @@ image_url_xpath = './@href'
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image_img_src_xpath = './img/@src'
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pref_cookie = ''
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nid_cookie = {}
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# see https://support.google.com/websearch/answer/873?hl=en
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@ -52,8 +112,16 @@ def get_google_pref_cookie():
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return pref_cookie
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def get_google_nid_cookie(google_hostname):
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global nid_cookie
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if google_hostname not in nid_cookie:
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resp = get('https://' + google_hostname)
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nid_cookie[google_hostname] = resp.cookies.get("NID", None)
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return nid_cookie[google_hostname]
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# remove google-specific tracking-url
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def parse_url(url_string):
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def parse_url(url_string, google_hostname):
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parsed_url = urlparse(url_string)
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if (parsed_url.netloc in [google_hostname, '']
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and parsed_url.path == redirect_path):
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@ -63,21 +131,45 @@ def parse_url(url_string):
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return url_string
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# returns extract_text on the first result selected by the xpath or None
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def extract_text_from_dom(result, xpath):
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r = result.xpath(xpath)
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if len(r) > 0:
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return extract_text(r[0])
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return None
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# do search-request
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def request(query, params):
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offset = (params['pageno'] - 1) * 10
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if params['language'] == 'all':
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language = 'en'
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country = 'US'
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else:
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language = params['language'].replace('_', '-').lower()
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language_array = params['language'].lower().split('_')
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if len(language_array) == 2:
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country = language_array[1]
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else:
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country = ' '
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language = language_array[0] + ',' + language_array[0] + '-' + country
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if use_locale_domain:
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google_hostname = country_to_hostname.get(country.upper(), default_hostname)
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else:
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google_hostname = default_hostname
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params['url'] = search_url.format(offset=offset,
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query=urlencode({'q': query}))
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query=urlencode({'q': query}),
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hostname=google_hostname)
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params['headers']['Accept-Language'] = language
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if language.startswith('en'):
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params['headers']['Accept'] = 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'
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if google_hostname == default_hostname:
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params['cookies']['PREF'] = get_google_pref_cookie()
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params['cookies']['NID'] = get_google_nid_cookie(google_hostname)
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params['google_hostname'] = google_hostname
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return params
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@ -86,17 +178,30 @@ def request(query, params):
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def response(resp):
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results = []
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# detect google sorry
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resp_url = urlparse(resp.url)
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if resp_url.netloc == 'sorry.google.com' or resp_url.path == '/sorry/IndexRedirect':
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raise RuntimeWarning('sorry.google.com')
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# which hostname ?
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google_hostname = resp.search_params.get('google_hostname')
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google_url = "https://" + google_hostname
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# convert the text to dom
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dom = html.fromstring(resp.text)
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# parse results
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for result in dom.xpath(results_xpath):
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title = extract_text(result.xpath(title_xpath)[0])
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try:
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url = parse_url(extract_url(result.xpath(url_xpath), search_url))
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parsed_url = urlparse(url)
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url = parse_url(extract_url(result.xpath(url_xpath), google_url), google_hostname)
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parsed_url = urlparse(url, google_hostname)
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if (parsed_url.netloc == google_hostname
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and parsed_url.path == search_path):
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# remove the link to google news
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and (parsed_url.path == search_path
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or parsed_url.path.startswith(maps_path))):
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# remove the link to google news and google maps
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# FIXME : sometimes the URL is https://maps.google.*/maps
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# no consequence, the result trigger an exception after which is ignored
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continue
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# images result
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@ -104,16 +209,21 @@ def response(resp):
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and parsed_url.path == images_path):
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# only thumbnail image provided,
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# so skipping image results
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# results = results + parse_images(result)
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# results = results + parse_images(result, google_hostname)
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pass
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else:
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# normal result
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content = extract_text(result.xpath(content_xpath)[0])
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content = extract_text_from_dom(result, content_xpath)
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if content is None:
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continue
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content_misc = extract_text_from_dom(result, content_misc_xpath)
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if content_misc is not None:
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content = content_misc + "<br />" + content
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# append result
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results.append({'url': url,
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'title': title,
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'content': content})
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except:
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except Exception:
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continue
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# parse suggestion
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@ -125,10 +235,10 @@ def response(resp):
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return results
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def parse_images(result):
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def parse_images(result, google_hostname):
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results = []
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for image in result.xpath(images_xpath):
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url = parse_url(extract_text(image.xpath(image_url_xpath)[0]))
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url = parse_url(extract_text(image.xpath(image_url_xpath)[0]), google_hostname)
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img_src = extract_text(image.xpath(image_img_src_xpath)[0])
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# append result
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@ -8,6 +8,12 @@ from searx.testing import SearxTestCase
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class TestGoogleEngine(SearxTestCase):
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def mock_response(self, text):
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response = mock.Mock(text=text, url='https://www.google.com/search?q=test&start=0&gbv=1')
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response.search_params = mock.Mock()
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response.search_params.get = mock.Mock(return_value='www.google.com')
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return response
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def test_request(self):
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query = 'test_query'
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dicto = defaultdict(dict)
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@ -16,14 +22,17 @@ class TestGoogleEngine(SearxTestCase):
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params = google.request(query, dicto)
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self.assertIn('url', params)
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self.assertIn(query, params['url'])
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self.assertIn('google.com', params['url'])
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self.assertIn('google.fr', params['url'])
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self.assertNotIn('PREF', params['cookies'])
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self.assertIn('NID', params['cookies'])
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self.assertIn('fr', params['headers']['Accept-Language'])
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dicto['language'] = 'all'
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params = google.request(query, dicto)
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self.assertIn('google.com', params['url'])
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self.assertIn('en', params['headers']['Accept-Language'])
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self.assertIn('PREF', params['cookies'])
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self.assertIn('NID', params['cookies'])
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def test_response(self):
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self.assertRaises(AttributeError, google.response, None)
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@ -31,7 +40,7 @@ class TestGoogleEngine(SearxTestCase):
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self.assertRaises(AttributeError, google.response, '')
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self.assertRaises(AttributeError, google.response, '[]')
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response = mock.Mock(text='<html></html>')
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response = self.mock_response('<html></html>')
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self.assertEqual(google.response(response), [])
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html = """
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@ -124,7 +133,7 @@ class TestGoogleEngine(SearxTestCase):
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</a>
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</p>
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"""
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response = mock.Mock(text=html)
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response = self.mock_response(html)
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results = google.response(response)
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self.assertEqual(type(results), list)
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self.assertEqual(len(results), 2)
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@ -137,11 +146,21 @@ class TestGoogleEngine(SearxTestCase):
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<li class="b_algo" u="0|5109|4755453613245655|UAGjXgIrPH5yh-o5oNHRx_3Zta87f_QO">
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</li>
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"""
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response = mock.Mock(text=html)
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response = self.mock_response(html)
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results = google.response(response)
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self.assertEqual(type(results), list)
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self.assertEqual(len(results), 0)
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response = mock.Mock(text='<html></html>', url='https://sorry.google.com')
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response.search_params = mock.Mock()
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response.search_params.get = mock.Mock(return_value='www.google.com')
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self.assertRaises(RuntimeWarning, google.response, response)
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response = mock.Mock(text='<html></html>', url='https://www.google.com/sorry/IndexRedirect')
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response.search_params = mock.Mock()
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response.search_params.get = mock.Mock(return_value='www.google.com')
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self.assertRaises(RuntimeWarning, google.response, response)
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def test_parse_images(self):
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html = """
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<li>
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@ -154,7 +173,7 @@ class TestGoogleEngine(SearxTestCase):
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</li>
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"""
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dom = lxml.html.fromstring(html)
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results = google.parse_images(dom)
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results = google.parse_images(dom, 'www.google.com')
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self.assertEqual(type(results), list)
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self.assertEqual(len(results), 1)
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self.assertEqual(results[0]['url'], 'http://this.is.the.url/')
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