tgwf-searx-plugins/only_show_green_results.py

'''
searx is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

searx is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with searx. If not, see < http://www.gnu.org/licenses/ >.

(C) 2015 by Adam Tauber, <asciimoo@gmail.com>
'''

from flask_babel import gettext
import re
from searx.url_utils import urlunparse, parse_qsl, urlencode
import requests

name = gettext('Only show green hosted results')
description = gettext('Any results not being hosted on green infrastructure will be filtered')
default_on = True
preference_section = 'privacy'

# attach callback to the post search hook
#  request: flask request object
#  ctx: the whole local context of the pre search hook
def post_search(request, search):
    print "post search"
    results = search.result_container.get_ordered_results()
    resultlist = enumerate(list(search.result_container._merged_results))

    for i, result in resultlist:
        print i
        print result
        if get_green(result):
            #result = search.result_container._merged_results[i]
            print('deleting result:', result)
            if i < len(search.result_container._merged_results):
                del(search.result_container._merged_results[i])
    return True

def get_green(result):
    if 'parsed_url' not in result:
        return True

    print result['url']

    # Put a green.html template up to have access over which results are shown or not
    # @todo figure out a way to filter results in this callback so we don't need a special template
    result['template'] = 'green.html'

    # @todo hook up the url to our greencheck tool instead of api here
    response = requests.get("https://api.thegreenwebfoundation.org/greencheck/" + result['parsed_url'].netloc)
    data = response.json()
    #print(data['green'])

    return data['green']

def on_result(request, search, result):
    result['green'] = get_green(result)