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[youtubedl] / youtube_dl / extractor / niconico.py
1 # encoding: utf-8
2 from __future__ import unicode_literals
3
4 import re
5
6 from .common import InfoExtractor
7 from ..utils import (
8 compat_urllib_parse,
9 compat_urllib_request,
10 compat_urlparse,
11 unified_strdate,
12 parse_duration,
13 int_or_none,
14 )
15
16
17 class NiconicoIE(InfoExtractor):
18 IE_NAME = 'niconico'
19 IE_DESC = 'ニコニコ動画'
20
21 _TEST = {
22 'url': 'http://www.nicovideo.jp/watch/sm22312215',
23 'md5': 'd1a75c0823e2f629128c43e1212760f9',
24 'info_dict': {
25 'id': 'sm22312215',
26 'ext': 'mp4',
27 'title': 'Big Buck Bunny',
28 'uploader': 'takuya0301',
29 'uploader_id': '2698420',
30 'upload_date': '20131123',
31 'description': '(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org',
32 'duration': 33,
33 },
34 'params': {
35 'username': 'ydl.niconico@gmail.com',
36 'password': 'youtube-dl',
37 },
38 }
39
40 _VALID_URL = r'https?://(?:www\.|secure\.)?nicovideo\.jp/watch/((?:[a-z]{2})?[0-9]+)'
41 _NETRC_MACHINE = 'niconico'
42 # Determine whether the downloader uses authentication to download video
43 _AUTHENTICATE = False
44
45 def _real_initialize(self):
46 if self._downloader.params.get('username', None) is not None:
47 self._AUTHENTICATE = True
48
49 if self._AUTHENTICATE:
50 self._login()
51
52 def _login(self):
53 (username, password) = self._get_login_info()
54
55 # Log in
56 login_form_strs = {
57 'mail': username,
58 'password': password,
59 }
60 # Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
61 # chokes on unicode
62 login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k, v in login_form_strs.items())
63 login_data = compat_urllib_parse.urlencode(login_form).encode('utf-8')
64 request = compat_urllib_request.Request(
65 'https://secure.nicovideo.jp/secure/login', login_data)
66 login_results = self._download_webpage(
67 request, None, note='Logging in', errnote='Unable to log in')
68 if re.search(r'(?i)<h1 class="mb8p4">Log in error</h1>', login_results) is not None:
69 self._downloader.report_warning('unable to log in: bad username or password')
70 return False
71 return True
72
73 def _real_extract(self, url):
74 mobj = re.match(self._VALID_URL, url)
75 video_id = mobj.group(1)
76
77 # Get video webpage. We are not actually interested in it, but need
78 # the cookies in order to be able to download the info webpage
79 self._download_webpage('http://www.nicovideo.jp/watch/' + video_id, video_id)
80
81 video_info = self._download_xml(
82 'http://ext.nicovideo.jp/api/getthumbinfo/' + video_id, video_id,
83 note='Downloading video info page')
84
85 if self._AUTHENTICATE:
86 # Get flv info
87 flv_info_webpage = self._download_webpage(
88 'http://flapi.nicovideo.jp/api/getflv?v=' + video_id,
89 video_id, 'Downloading flv info')
90 else:
91 # Get external player info
92 ext_player_info = self._download_webpage(
93 'http://ext.nicovideo.jp/thumb_watch/' + video_id, video_id)
94 thumb_play_key = self._search_regex(
95 r'\'thumbPlayKey\'\s*:\s*\'(.*?)\'', ext_player_info, 'thumbPlayKey')
96
97 # Get flv info
98 flv_info_data = compat_urllib_parse.urlencode({
99 'k': thumb_play_key,
100 'v': video_id
101 })
102 flv_info_request = compat_urllib_request.Request(
103 'http://ext.nicovideo.jp/thumb_watch', flv_info_data,
104 {'Content-Type': 'application/x-www-form-urlencoded'})
105 flv_info_webpage = self._download_webpage(
106 flv_info_request, video_id,
107 note='Downloading flv info', errnote='Unable to download flv info')
108
109 video_real_url = compat_urlparse.parse_qs(flv_info_webpage)['url'][0]
110
111 # Start extracting information
112 title = video_info.find('.//title').text
113 extension = video_info.find('.//movie_type').text
114 video_format = extension.upper()
115 thumbnail = video_info.find('.//thumbnail_url').text
116 description = video_info.find('.//description').text
117 upload_date = unified_strdate(video_info.find('.//first_retrieve').text.split('+')[0])
118 view_count = int_or_none(video_info.find('.//view_counter').text)
119 comment_count = int_or_none(video_info.find('.//comment_num').text)
120 duration = parse_duration(video_info.find('.//length').text)
121 webpage_url = video_info.find('.//watch_url').text
122
123 if video_info.find('.//ch_id') is not None:
124 uploader_id = video_info.find('.//ch_id').text
125 uploader = video_info.find('.//ch_name').text
126 elif video_info.find('.//user_id') is not None:
127 uploader_id = video_info.find('.//user_id').text
128 uploader = video_info.find('.//user_nickname').text
129 else:
130 uploader_id = uploader = None
131
132 return {
133 'id': video_id,
134 'url': video_real_url,
135 'title': title,
136 'ext': extension,
137 'format': video_format,
138 'thumbnail': thumbnail,
139 'description': description,
140 'uploader': uploader,
141 'upload_date': upload_date,
142 'uploader_id': uploader_id,
143 'view_count': view_count,
144 'comment_count': comment_count,
145 'duration': duration,
146 'webpage_url': webpage_url,
147 }