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107 lines
3.5 KiB
Python
107 lines
3.5 KiB
Python
from io import BytesIO
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from lxml import etree
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import pycurl
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import random
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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']
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def gen_user_agent(normal_ua, 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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else:
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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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if ':past' in query:
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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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# 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) and interface (hl)
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param_dict['lr'] = '&lr=' + config.lang + '&hl=' + config.lang.replace('lang_', '')
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param_dict['cr'] = ('&cr=' + config.ctry) if config.ctry 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 or val is None:
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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(normal_ua, self.mobile)
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def __getitem__(self, name):
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return getattr(self, name)
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def get_decode_value(self):
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if 'lang_zh' in self.language:
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return 'gb2312'
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else:
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return 'unicode-escape'
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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))
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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='', return_bytes=False):
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response_header = []
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b_obj = BytesIO()
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crl = pycurl.Curl()
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crl.setopt(crl.URL, base_url + query)
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crl.setopt(crl.USERAGENT, self.modified_user_agent)
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crl.setopt(crl.WRITEDATA, b_obj)
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crl.setopt(crl.HEADERFUNCTION, response_header.append)
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crl.setopt(pycurl.FOLLOWLOCATION, 1)
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crl.perform()
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crl.close()
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if return_bytes:
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return b_obj.getvalue()
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else:
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return b_obj.getvalue().decode(self.get_decode_value(), 'ignore')
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