_ Git - youtube-dl/blob - youtube_dl/extractor/niconico.py

   1 # encoding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import re
   5 import json
   6
   7 from .common import InfoExtractor
   8 from ..compat import (
   9     compat_urllib_parse,
  10     compat_urllib_request,
  11     compat_urlparse,
  12 )
  13 from ..utils import (
  14     ExtractorError,
  15     int_or_none,
  16     parse_duration,
  17     unified_strdate,
  18 )
  19
  20
  21 class NiconicoIE(InfoExtractor):
  22     IE_NAME = 'niconico'
  23     IE_DESC = 'ニコニコ動画'
  24
  25     _TEST = {
  26         'url': 'http://www.nicovideo.jp/watch/sm22312215',
  27         'md5': 'd1a75c0823e2f629128c43e1212760f9',
  28         'info_dict': {
  29             'id': 'sm22312215',
  30             'ext': 'mp4',
  31             'title': 'Big Buck Bunny',
  32             'uploader': 'takuya0301',
  33             'uploader_id': '2698420',
  34             'upload_date': '20131123',
  35             'description': '(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org',
  36             'duration': 33,
  37         },
  38         'params': {
  39             'username': 'ydl.niconico@gmail.com',
  40             'password': 'youtube-dl',
  41         },
  42     }
  43
  44     _VALID_URL = r'https?://(?:www\.|secure\.)?nicovideo\.jp/watch/((?:[a-z]{2})?[0-9]+)'
  45     _NETRC_MACHINE = 'niconico'
  46     # Determine whether the downloader used authentication to download video
  47     _AUTHENTICATED = False
  48
  49     def _real_initialize(self):
  50         self._login()
  51
  52     def _login(self):
  53         (username, password) = self._get_login_info()
  54         # No authentication to be performed
  55         if not username:
  56             return True
  57
  58         # Log in
  59         login_form_strs = {
  60             'mail': username,
  61             'password': password,
  62         }
  63         # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
  64         # chokes on unicode
  65         login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k, v in login_form_strs.items())
  66         login_data = compat_urllib_parse.urlencode(login_form).encode('utf-8')
  67         request = compat_urllib_request.Request(
  68             'https://secure.nicovideo.jp/secure/login', login_data)
  69         login_results = self._download_webpage(
  70             request, None, note='Logging in', errnote='Unable to log in')
  71         if re.search(r'(?i)<h1 class="mb8p4">Log in error</h1>', login_results) is not None:
  72             self._downloader.report_warning('unable to log in: bad username or password')
  73             return False
  74         # Successful login
  75         self._AUTHENTICATED = True
  76         return True
  77
  78     def _real_extract(self, url):
  79         mobj = re.match(self._VALID_URL, url)
  80         video_id = mobj.group(1)
  81
  82         # Get video webpage. We are not actually interested in it, but need
  83         # the cookies in order to be able to download the info webpage
  84         self._download_webpage('http://www.nicovideo.jp/watch/' + video_id, video_id)
  85
  86         video_info = self._download_xml(
  87             'http://ext.nicovideo.jp/api/getthumbinfo/' + video_id, video_id,
  88             note='Downloading video info page')
  89
  90         if self._AUTHENTICATED:
  91             # Get flv info
  92             flv_info_webpage = self._download_webpage(
  93                 'http://flapi.nicovideo.jp/api/getflv?v=' + video_id,
  94                 video_id, 'Downloading flv info')
  95         else:
  96             # Get external player info
  97             ext_player_info = self._download_webpage(
  98                 'http://ext.nicovideo.jp/thumb_watch/' + video_id, video_id)
  99             thumb_play_key = self._search_regex(
 100                 r'\'thumbPlayKey\'\s*:\s*\'(.*?)\'', ext_player_info, 'thumbPlayKey')
 101
 102             # Get flv info
 103             flv_info_data = compat_urllib_parse.urlencode({
 104                 'k': thumb_play_key,
 105                 'v': video_id
 106             })
 107             flv_info_request = compat_urllib_request.Request(
 108                 'http://ext.nicovideo.jp/thumb_watch', flv_info_data,
 109                 {'Content-Type': 'application/x-www-form-urlencoded'})
 110             flv_info_webpage = self._download_webpage(
 111                 flv_info_request, video_id,
 112                 note='Downloading flv info', errnote='Unable to download flv info')
 113
 114         if 'deleted=' in flv_info_webpage:
 115             raise ExtractorError('The video has been deleted.',
 116                                  expected=True)
 117         video_real_url = compat_urlparse.parse_qs(flv_info_webpage)['url'][0]
 118
 119         # Start extracting information
 120         title = video_info.find('.//title').text
 121         extension = video_info.find('.//movie_type').text
 122         video_format = extension.upper()
 123         thumbnail = video_info.find('.//thumbnail_url').text
 124         description = video_info.find('.//description').text
 125         upload_date = unified_strdate(video_info.find('.//first_retrieve').text.split('+')[0])
 126         view_count = int_or_none(video_info.find('.//view_counter').text)
 127         comment_count = int_or_none(video_info.find('.//comment_num').text)
 128         duration = parse_duration(video_info.find('.//length').text)
 129         webpage_url = video_info.find('.//watch_url').text
 130
 131         if video_info.find('.//ch_id') is not None:
 132             uploader_id = video_info.find('.//ch_id').text
 133             uploader = video_info.find('.//ch_name').text
 134         elif video_info.find('.//user_id') is not None:
 135             uploader_id = video_info.find('.//user_id').text
 136             uploader = video_info.find('.//user_nickname').text
 137         else:
 138             uploader_id = uploader = None
 139
 140         return {
 141             'id': video_id,
 142             'url': video_real_url,
 143             'title': title,
 144             'ext': extension,
 145             'format': video_format,
 146             'thumbnail': thumbnail,
 147             'description': description,
 148             'uploader': uploader,
 149             'upload_date': upload_date,
 150             'uploader_id': uploader_id,
 151             'view_count': view_count,
 152             'comment_count': comment_count,
 153             'duration': duration,
 154             'webpage_url': webpage_url,
 155         }
 156
 157
 158 class NiconicoPlaylistIE(InfoExtractor):
 159     _VALID_URL = r'https?://www\.nicovideo\.jp/mylist/(?P<id>\d+)'
 160
 161     _TEST = {
 162         'url': 'http://www.nicovideo.jp/mylist/27411728',
 163         'info_dict': {
 164             'id': '27411728',
 165             'title': 'AKB48のオールナイトニッポン',
 166         },
 167         'playlist_mincount': 225,
 168     }
 169
 170     def _real_extract(self, url):
 171         list_id = self._match_id(url)
 172         webpage = self._download_webpage(url, list_id)
 173
 174         entries_json = self._search_regex(r'Mylist\.preload\(\d+, (\[.*\])\);',
 175                                           webpage, 'entries')
 176         entries = json.loads(entries_json)
 177         entries = [{
 178             '_type': 'url',
 179             'ie_key': NiconicoIE.ie_key(),
 180             'url': ('http://www.nicovideo.jp/watch/%s' %
 181                     entry['item_data']['video_id']),
 182         } for entry in entries]
 183
 184         return {
 185             '_type': 'playlist',
 186             'title': self._search_regex(r'\s+name: "(.*?)"', webpage, 'title'),
 187             'id': list_id,
 188             'entries': entries,
 189         }