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"""
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Soundcloud (Music)
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@website https://soundcloud.com
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@provide-api yes (https://developers.soundcloud.com/)
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@using-api yes
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@results JSON
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@stable yes
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@parse url, title, content, publishedDate, embedded
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"""
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import re
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from json import loads
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from lxml import html
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from dateutil import parser
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from io import StringIO
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from urllib.parse import quote_plus, urlencode
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from searx import logger
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from searx.poolrequests import get as http_get
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# engine dependent config
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categories = ['music']
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paging = True
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# search-url
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# missing attribute: user_id, app_version, app_locale
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url = 'https://api-v2.soundcloud.com/'
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search_url = url + 'search?{query}'\
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'&variant_ids='\
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'&facet=model'\
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'&limit=20'\
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'&offset={offset}'\
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'&linked_partitioning=1'\
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'&client_id={client_id}' # noqa
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embedded_url = '<iframe width="100%" height="166" ' +\
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'scrolling="no" frameborder="no" ' +\
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'data-src="https://w.soundcloud.com/player/?url={uri}"></iframe>'
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cid_re = re.compile(r'client_id:"([^"]*)"', re.I | re.U)
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guest_client_id = ''
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def get_client_id():
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response = http_get("https://soundcloud.com")
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if response.ok:
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tree = html.fromstring(response.content)
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# script_tags has been moved from /assets/app/ to /assets/ path. I
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# found client_id in https://a-v2.sndcdn.com/assets/49-a0c01933-3.js
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script_tags = tree.xpath("//script[contains(@src, '/assets/')]")
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app_js_urls = [script_tag.get('src') for script_tag in script_tags if script_tag is not None]
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# extracts valid app_js urls from soundcloud.com content
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for app_js_url in app_js_urls:
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# gets app_js and searches for the clientid
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response = http_get(app_js_url)
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if response.ok:
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cids = cid_re.search(response.content.decode())
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if cids is not None and len(cids.groups()):
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return cids.groups()[0]
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logger.warning("Unable to fetch guest client_id from SoundCloud, check parser!")
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return ""
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def init(engine_settings=None):
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global guest_client_id
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# api-key
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guest_client_id = get_client_id()
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# do search-request
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def request(query, params):
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offset = (params['pageno'] - 1) * 20
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params['url'] = search_url.format(query=urlencode({'q': query}),
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offset=offset,
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client_id=guest_client_id)
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return params
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# get response from search-request
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def response(resp):
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results = []
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search_res = loads(resp.text)
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# parse results
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for result in search_res.get('collection', []):
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if result['kind'] in ('track', 'playlist'):
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title = result['title']
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content = result['description']
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publishedDate = parser.parse(result['last_modified'])
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uri = quote_plus(result['uri'])
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embedded = embedded_url.format(uri=uri)
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# append result
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results.append({'url': result['permalink_url'],
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'title': title,
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'publishedDate': publishedDate,
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'embedded': embedded,
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'content': content})
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# return results
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return results
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