Remove unused imports and simplify
[youtube-dl] / youtube_dl / extractor / vevo.py
1 from __future__ import unicode_literals
2
3 import re
4 import xml.etree.ElementTree
5 import datetime
6
7 from .common import InfoExtractor
8 from ..utils import (
9     compat_HTTPError,
10     ExtractorError,
11 )
12
13
14 class VevoIE(InfoExtractor):
15     """
16     Accepts urls from vevo.com or in the format 'vevo:{id}'
17     (currently used by MTVIE)
18     """
19     _VALID_URL = r'''(?x)
20         (?:https?://www\.vevo\.com/watch/(?:[^/]+/[^/]+/)?|
21            https?://cache\.vevo\.com/m/html/embed\.html\?video=|
22            https?://videoplayer\.vevo\.com/embed/embedded\?videoId=|
23            vevo:)
24         (?P<id>[^&?#]+)'''
25     _TESTS = [{
26         'url': 'http://www.vevo.com/watch/hurts/somebody-to-die-for/GB1101300280',
27         'file': 'GB1101300280.mp4',
28         "md5": "06bea460acb744eab74a9d7dcb4bfd61",
29         'info_dict': {
30             "upload_date": "20130624",
31             "uploader": "Hurts",
32             "title": "Somebody to Die For",
33             "duration": 230.12,
34             "width": 1920,
35             "height": 1080,
36         }
37     }]
38     _SMIL_BASE_URL = 'http://smil.lvl3.vevo.com/'
39
40     def _formats_from_json(self, video_info):
41         last_version = {'version': -1}
42         for version in video_info['videoVersions']:
43             # These are the HTTP downloads, other types are for different manifests
44             if version['sourceType'] == 2:
45                 if version['version'] > last_version['version']:
46                     last_version = version
47         if last_version['version'] == -1:
48             raise ExtractorError('Unable to extract last version of the video')
49
50         renditions = xml.etree.ElementTree.fromstring(last_version['data'])
51         formats = []
52         # Already sorted from worst to best quality
53         for rend in renditions.findall('rendition'):
54             attr = rend.attrib
55             format_note = '%(videoCodec)s@%(videoBitrate)4sk, %(audioCodec)s@%(audioBitrate)3sk' % attr
56             formats.append({
57                 'url': attr['url'],
58                 'format_id': attr['name'],
59                 'format_note': format_note,
60                 'height': int(attr['frameheight']),
61                 'width': int(attr['frameWidth']),
62             })
63         return formats
64
65     def _formats_from_smil(self, smil_xml):
66         formats = []
67         smil_doc = xml.etree.ElementTree.fromstring(smil_xml.encode('utf-8'))
68         els = smil_doc.findall('.//{http://www.w3.org/2001/SMIL20/Language}video')
69         for el in els:
70             src = el.attrib['src']
71             m = re.match(r'''(?xi)
72                 (?P<ext>[a-z0-9]+):
73                 (?P<path>
74                     [/a-z0-9]+     # The directory and main part of the URL
75                     _(?P<cbr>[0-9]+)k
76                     _(?P<width>[0-9]+)x(?P<height>[0-9]+)
77                     _(?P<vcodec>[a-z0-9]+)
78                     _(?P<vbr>[0-9]+)
79                     _(?P<acodec>[a-z0-9]+)
80                     _(?P<abr>[0-9]+)
81                     \.[a-z0-9]+  # File extension
82                 )''', src)
83             if not m:
84                 continue
85
86             format_url = self._SMIL_BASE_URL + m.group('path')
87             formats.append({
88                 'url': format_url,
89                 'format_id': 'SMIL_' + m.group('cbr'),
90                 'vcodec': m.group('vcodec'),
91                 'acodec': m.group('acodec'),
92                 'vbr': int(m.group('vbr')),
93                 'abr': int(m.group('abr')),
94                 'ext': m.group('ext'),
95                 'width': int(m.group('width')),
96                 'height': int(m.group('height')),
97             })
98         return formats
99
100     def _real_extract(self, url):
101         mobj = re.match(self._VALID_URL, url)
102         video_id = mobj.group('id')
103
104         json_url = 'http://videoplayer.vevo.com/VideoService/AuthenticateVideo?isrc=%s' % video_id
105         video_info = self._download_json(json_url, video_id)['video']
106
107         formats = self._formats_from_json(video_info)
108         try:
109             smil_url = '%s/Video/V2/VFILE/%s/%sr.smil' % (
110                 self._SMIL_BASE_URL, video_id, video_id.lower())
111             smil_xml = self._download_webpage(smil_url, video_id,
112                                               'Downloading SMIL info')
113             formats.extend(self._formats_from_smil(smil_xml))
114         except ExtractorError as ee:
115             if not isinstance(ee.cause, compat_HTTPError):
116                 raise
117             self._downloader.report_warning(
118                 'Cannot download SMIL information, falling back to JSON ..')
119
120         timestamp_ms = int(self._search_regex(
121             r'/Date\((\d+)\)/', video_info['launchDate'], 'launch date'))
122         upload_date = datetime.datetime.fromtimestamp(timestamp_ms // 1000)
123         return {
124             'id': video_id,
125             'title': video_info['title'],
126             'formats': formats,
127             'thumbnail': video_info['imageUrl'],
128             'upload_date': upload_date.strftime('%Y%m%d'),
129             'uploader': video_info['mainArtists'][0]['artistName'],
130             'duration': video_info['duration'],
131         }