searxng/searx/engines/google_images.py
2016-07-25 23:28:14 +02:00

76 lines
1.9 KiB
Python

"""
Google (Images)
@website https://www.google.com
@provide-api yes (https://developers.google.com/custom-search/)
@using-api no
@results HTML chunks with JSON inside
@stable no
@parse url, title, img_src
"""
from urllib import urlencode
from urlparse import parse_qs
from json import loads
from lxml import html
# engine dependent config
categories = ['images']
paging = True
safesearch = True
time_range_support = True
search_url = 'https://www.google.com/search'\
'?{query}'\
'&tbm=isch'\
'&ijn=1'\
'&start={offset}'
time_range_search = "&tbs=qdr:{range}"
time_range_dict = {'day': 'd',
'week': 'w',
'month': 'm'}
# do search-request
def request(query, params):
offset = (params['pageno'] - 1) * 100
params['url'] = search_url.format(query=urlencode({'q': query}),
offset=offset,
safesearch=safesearch)
if params['time_range']:
params['url'] += time_range_search.format(range=time_range_dict[params['time_range']])
if safesearch and params['safesearch']:
params['url'] += '&' + urlencode({'safe': 'active'})
return params
# get response from search-request
def response(resp):
results = []
dom = html.fromstring(resp.text)
# parse results
for result in dom.xpath('//div[@data-ved]'):
metadata = loads(result.xpath('./div[@class="rg_meta"]/text()')[0])
thumbnail_src = metadata['tu']
# http to https
thumbnail_src = thumbnail_src.replace("http://", "https://")
# append result
results.append({'url': metadata['ru'],
'title': metadata['pt'],
'content': metadata['s'],
'thumbnail_src': thumbnail_src,
'img_src': metadata['ou'],
'template': 'images.html'})
# return results
return results