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108 lines
4.0 KiB
Python
108 lines
4.0 KiB
Python
from lxml import etree
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import random
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import requests
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from requests import Response
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import urllib.parse as urlparse
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# Core Google search URLs
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SEARCH_URL = 'https://www.google.com/search?gbv=1&q='
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AUTOCOMPLETE_URL = 'https://suggestqueries.google.com/complete/search?client=toolbar&'
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MOBILE_UA = '{}/5.0 (Android 0; Mobile; rv:54.0) Gecko/54.0 {}/59.0'
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DESKTOP_UA = '{}/5.0 (X11; {} x86_64; rv:75.0) Gecko/20100101 {}/75.0'
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# Valid query params
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VALID_PARAMS = ['tbs', 'tbm', 'start', 'near', 'source']
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def gen_user_agent(is_mobile):
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mozilla = random.choice(['Moo', 'Woah', 'Bro', 'Slow']) + 'zilla'
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firefox = random.choice(['Choir', 'Squier', 'Higher', 'Wire']) + 'fox'
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linux = random.choice(['Win', 'Sin', 'Gin', 'Fin', 'Kin']) + 'ux'
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if is_mobile:
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return MOBILE_UA.format(mozilla, firefox)
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return DESKTOP_UA.format(mozilla, linux, firefox)
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def gen_query(query, args, config, near_city=None):
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param_dict = {key: '' for key in VALID_PARAMS}
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# Use :past(hour/day/week/month/year) if available
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# example search "new restaurants :past month"
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sub_lang = ''
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if ':past' in query and 'tbs' not in args:
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time_range = str.strip(query.split(':past', 1)[-1])
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param_dict['tbs'] = '&tbs=' + ('qdr:' + str.lower(time_range[0]))
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elif 'tbs' in args:
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result_tbs = args.get('tbs')
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param_dict['tbs'] = '&tbs=' + result_tbs
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# Occasionally the 'tbs' param provided by google also contains a field for 'lr', but formatted
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# strangely. This is a (admittedly not very elegant) solution for this.
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# Ex/ &tbs=qdr:h,lr:lang_1pl --> the lr param needs to be extracted and have the "1" digit removed in this case
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sub_lang = [_ for _ in result_tbs.split(',') if 'lr:' in _]
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sub_lang = sub_lang[0][sub_lang[0].find('lr:') + 3:len(sub_lang[0])] if len(sub_lang) > 0 else ''
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# Ensure search query is parsable
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query = urlparse.quote(query)
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# Pass along type of results (news, images, books, etc)
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if 'tbm' in args:
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param_dict['tbm'] = '&tbm=' + args.get('tbm')
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# Get results page start value (10 per page, ie page 2 start val = 20)
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if 'start' in args:
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param_dict['start'] = '&start=' + args.get('start')
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# Search for results near a particular city, if available
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if near_city:
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param_dict['near'] = '&near=' + urlparse.quote(near_city)
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# Set language for results (lr) if source isn't set, otherwise use the result
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# language param provided by google (but with the strange digit(s) removed)
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if 'source' in args:
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param_dict['source'] = '&source=' + args.get('source')
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param_dict['lr'] = ('&lr=' + ''.join([_ for _ in sub_lang if not _.isdigit()])) if sub_lang else ''
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else:
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param_dict['lr'] = ('&lr=' + config.lang_search) if config.lang_search else ''
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param_dict['cr'] = ('&cr=' + config.ctry) if config.ctry else ''
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param_dict['hl'] = ('&hl=' + config.lang_interface.replace('lang_', '')) if config.lang_interface else ''
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param_dict['safe'] = '&safe=' + ('active' if config.safe else 'off')
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for val in param_dict.values():
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if not val:
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continue
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query += val
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return query
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class Request:
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def __init__(self, normal_ua, language='lang_en'):
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self.language = language
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self.mobile = 'Android' in normal_ua or 'iPhone' in normal_ua
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self.modified_user_agent = gen_user_agent(self.mobile)
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def __getitem__(self, name):
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return getattr(self, name)
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def autocomplete(self, query):
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ac_query = dict(hl=self.language, q=query)
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response = self.send(base_url=AUTOCOMPLETE_URL, query=urlparse.urlencode(ac_query)).text
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if response:
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dom = etree.fromstring(response)
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return dom.xpath('//suggestion/@data')
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return []
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def send(self, base_url=SEARCH_URL, query='') -> Response:
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headers = {
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'User-Agent': self.modified_user_agent
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}
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return requests.get(base_url + query, headers=headers)
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