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Diffstat (limited to 'searx/engines/swisscows.py')
-rw-r--r-- | searx/engines/swisscows.py | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/searx/engines/swisscows.py b/searx/engines/swisscows.py new file mode 100644 index 0000000..e9c13ca --- /dev/null +++ b/searx/engines/swisscows.py @@ -0,0 +1,126 @@ +""" + 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 +import re +from lxml.html import fromstring +from searx.url_utils import unquote, urlencode + +# engine dependent config +categories = ['general', 'images'] +paging = True +language_support = True + +# search-url +base_url = 'https://swisscows.ch/' +search_string = '?{query}&page={page}' + +supported_languages_url = base_url + +# regex +regex_json = re.compile(b'initialData: {"Request":(.|\n)*},\s*environment') +regex_json_remove_start = re.compile(b'^initialData:\s*') +regex_json_remove_end = re.compile(b',\s*environment$') +regex_img_url_remove_start = re.compile(b'^https?://i\.swisscows\.ch/\?link=') + + +# do search-request +def request(query, params): + if params['language'] == 'all': + ui_language = 'browser' + region = 'browser' + elif params['language'].split('-')[0] == 'no': + region = 'nb-NO' + else: + region = params['language'] + 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.text) + + # check if results are returned + if not json_regex: + return [] + + json_raw = regex_json_remove_end.sub(b'', regex_json_remove_start.sub(b'', json_regex.group())) + json = loads(json_raw.decode('utf-8')) + + # 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(b'', result['Url'].encode('utf-8')).decode('utf-8')) + + # 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(b'', result['Url'].encode('utf-8')).decode('utf-8')) + + # append result + results.append({'url': result['SourceUrl'], + 'title': result['Title'], + 'content': '', + 'img_src': img_url, + 'template': 'images.html'}) + + # return results + return results + + +# get supported languages from their site +def _fetch_supported_languages(resp): + supported_languages = [] + dom = fromstring(resp.text) + options = dom.xpath('//div[@id="regions-popup"]//ul/li/a') + for option in options: + code = option.xpath('./@data-val')[0] + if code.startswith('nb-'): + code = code.replace('nb', 'no', 1) + supported_languages.append(code) + + return supported_languages |