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searxng/searx/engines/swisscows.py
2016-12-09 18:59:19 +01:00

109 lines
3.2 KiB
Python

"""
Swisscows (Web, Images)
@website https://swisscows.ch
@provide-api no
@using-api no
@results HTML (using search portal)
@stable no (HTML can change)
@parse url, title, content
"""
from json import loads
from urllib import urlencode, unquote
import re
# engine dependent config
categories = ['general', 'images']
paging = True
language_support = True
# search-url
base_url = 'https://swisscows.ch/'
search_string = '?{query}&page={page}'
# regex
regex_json = re.compile(r'initialData: {"Request":(.|\n)*},\s*environment')
regex_json_remove_start = re.compile(r'^initialData:\s*')
regex_json_remove_end = re.compile(r',\s*environment$')
regex_img_url_remove_start = re.compile(r'^https?://i\.swisscows\.ch/\?link=')
# do search-request
def request(query, params):
if params['language'] == 'all':
ui_language = 'browser'
region = 'browser'
else:
region = params['language'].replace('_', '-')
ui_language = params['language'].split('_')[0]
search_path = search_string.format(
query=urlencode({'query': query,
'uiLanguage': ui_language,
'region': region}),
page=params['pageno'])
# image search query is something like 'image?{query}&page={page}'
if params['category'] == 'images':
search_path = 'image' + search_path
params['url'] = base_url + search_path
return params
# get response from search-request
def response(resp):
results = []
json_regex = regex_json.search(resp.content)
# check if results are returned
if not json_regex:
return []
json_raw = regex_json_remove_end.sub('', regex_json_remove_start.sub('', json_regex.group()))
json = loads(json_raw)
# parse results
for result in json['Results'].get('items', []):
result_title = result['Title'].replace(u'\uE000', '').replace(u'\uE001', '')
# parse image results
if result.get('ContentType', '').startswith('image'):
img_url = unquote(regex_img_url_remove_start.sub('', result['Url']))
# append result
results.append({'url': result['SourceUrl'],
'title': result['Title'],
'content': '',
'img_src': img_url,
'template': 'images.html'})
# parse general results
else:
result_url = result['Url'].replace(u'\uE000', '').replace(u'\uE001', '')
result_content = result['Description'].replace(u'\uE000', '').replace(u'\uE001', '')
# append result
results.append({'url': result_url,
'title': result_title,
'content': result_content})
# parse images
for result in json.get('Images', []):
# decode image url
img_url = unquote(regex_img_url_remove_start.sub('', result['Url']))
# append result
results.append({'url': result['SourceUrl'],
'title': result['Title'],
'content': '',
'img_src': img_url,
'template': 'images.html'})
# return results
return results