[hypem] Modernize

youtube_dl/extractor/hypem.py

@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 import json
 import re
 import time
@@ -13,59 +15,55 @@ from ..utils import (
 
 
 class HypemIE(InfoExtractor):
-    """Information Extractor for hypem"""
-    _VALID_URL = r'(?:http://)?(?:www\.)?hypem\.com/track/([^/]+)/([^/]+)'
+    _VALID_URL = r'http://(?:www\.)?hypem\.com/track/([^/]+)/([^/]+)'
     _TEST = {
-        u'url': u'http://hypem.com/track/1v6ga/BODYWORK+-+TAME',
-        u'file': u'1v6ga.mp3',
-        u'md5': u'b9cc91b5af8995e9f0c1cee04c575828',
-        u'info_dict': {
-            u"title": u"Tame"
+        'url': 'http://hypem.com/track/1v6ga/BODYWORK+-+TAME',
+        'md5': 'b9cc91b5af8995e9f0c1cee04c575828',
+        'info_dict': {
+            'id': '1v6ga',
+            'ext': 'mp3',
+            'title': 'Tame',
+            'uploader': 'BODYWORK',
         }
     }
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
-        if mobj is None:
-            raise ExtractorError(u'Invalid URL: %s' % url)
         track_id = mobj.group(1)
 
         data = {'ax': 1, 'ts': time.time()}
         data_encoded = compat_urllib_parse.urlencode(data)
         complete_url = url + "?" + data_encoded
         request = compat_urllib_request.Request(complete_url)
-        response, urlh = self._download_webpage_handle(request, track_id, u'Downloading webpage with the url')
+        response, urlh = self._download_webpage_handle(
+            request, track_id, 'Downloading webpage with the url')
         cookie = urlh.headers.get('Set-Cookie', '')
 
-        self.report_extraction(track_id)
-
-        html_tracks = self._html_search_regex(r'<script type="application/json" id="displayList-data">(.*?)</script>',
-            response, u'tracks', flags=re.MULTILINE|re.DOTALL).strip()
+        html_tracks = self._html_search_regex(
+            r'(?ms)<script type="application/json" id="displayList-data">\s*(.*?)\s*</script>',
+            response, 'tracks')
         try:
             track_list = json.loads(html_tracks)
-            track = track_list[u'tracks'][0]
+            track = track_list['tracks'][0]
         except ValueError:
-            raise ExtractorError(u'Hypemachine contained invalid JSON.')
+            raise ExtractorError('Hypemachine contained invalid JSON.')
 
-        key = track[u"key"]
-        track_id = track[u"id"]
-        artist = track[u"artist"]
-        title = track[u"song"]
+        key = track['key']
+        track_id = track['id']
+        artist = track['artist']
+        title = track['song']
 
-        serve_url = "http://hypem.com/serve/source/%s/%s" % (compat_str(track_id), compat_str(key))
-        request = compat_urllib_request.Request(serve_url, "" , {'Content-Type': 'application/json'})
+        serve_url = "http://hypem.com/serve/source/%s/%s" % (track_id, key)
+        request = compat_urllib_request.Request(
+            serve_url, '', {'Content-Type': 'application/json'})
         request.add_header('cookie', cookie)
-        song_data_json = self._download_webpage(request, track_id, u'Downloading metadata')
-        try:
-            song_data = json.loads(song_data_json)
-        except ValueError:
-            raise ExtractorError(u'Hypemachine contained invalid JSON.')
-        final_url = song_data[u"url"]
+        song_data = self._download_json(request, track_id, 'Downloading metadata')
+        final_url = song_data["url"]
 
-        return [{
+        return {
             'id': track_id,
             'url': final_url,
-            'ext':      "mp3",
+            'ext': 'mp3',
             'title': title,
-            'artist':   artist,
-        }]
+            'uploader': artist,
+        }