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youtube-dl/youtube_dl/extractor/niconico.py

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# encoding: utf-8
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from __future__ import unicode_literals
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import re
import json
import datetime
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from .common import InfoExtractor
from ..compat import (
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compat_urllib_parse,
compat_urllib_request,
compat_urlparse,
)
from ..utils import (
ExtractorError,
int_or_none,
parse_duration,
parse_iso8601,
xpath_text,
determine_ext,
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)
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class NiconicoIE(InfoExtractor):
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IE_NAME = 'niconico'
IE_DESC = 'ニコニコ動画'
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_TESTS = [{
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'url': 'http://www.nicovideo.jp/watch/sm22312215',
'md5': 'd1a75c0823e2f629128c43e1212760f9',
'info_dict': {
'id': 'sm22312215',
'ext': 'mp4',
'title': 'Big Buck Bunny',
'uploader': 'takuya0301',
'uploader_id': '2698420',
'upload_date': '20131123',
'timestamp': 1385182762,
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'description': '(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org',
'duration': 33,
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},
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}, {
# File downloaded with and without credentials are different, so omit
# the md5 field
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'url': 'http://www.nicovideo.jp/watch/nm14296458',
'info_dict': {
'id': 'nm14296458',
'ext': 'swf',
'title': '【鏡音リン】Dance on media【オリジナル】take2!',
'description': 'md5:689f066d74610b3b22e0f1739add0f58',
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'uploader': 'りょうた',
'uploader_id': '18822557',
'upload_date': '20110429',
'timestamp': 1304065916,
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'duration': 209,
},
}, {
# 'video exists but is marked as "deleted"
# md5 is unstable
'url': 'http://www.nicovideo.jp/watch/sm10000',
'info_dict': {
'id': 'sm10000',
'ext': 'unknown_video',
'description': 'deleted',
'title': 'ドラえもんエターナル第3話「決戦第3新東京市」前編',
'upload_date': '20071224',
'timestamp': 1198527840, # timestamp field has different value if logged in
'duration': 304,
},
}, {
'url': 'http://www.nicovideo.jp/watch/so22543406',
'info_dict': {
'id': '1388129933',
'ext': 'mp4',
'title': '【第1回】RADIOアニメロミックス ラブライブのぞえりRadio Garden',
'description': 'md5:b27d224bb0ff53d3c8269e9f8b561cf1',
'timestamp': 1388851200,
'upload_date': '20140104',
'uploader': 'アニメロチャンネル',
'uploader_id': '312',
}
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}]
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_VALID_URL = r'https?://(?:www\.|secure\.)?nicovideo\.jp/watch/(?P<id>(?:[a-z]{2})?[0-9]+)'
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_NETRC_MACHINE = 'niconico'
# Determine whether the downloader used authentication to download video
_AUTHENTICATED = False
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def _real_initialize(self):
self._login()
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def _login(self):
(username, password) = self._get_login_info()
# No authentication to be performed
if not username:
return True
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# Log in
login_form_strs = {
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'mail': username,
'password': password,
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}
# Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
# chokes on unicode
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login_form = dict((k.encode('utf-8'), v.encode('utf-8')) for k, v in login_form_strs.items())
login_data = compat_urllib_parse.urlencode(login_form).encode('utf-8')
request = compat_urllib_request.Request(
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'https://secure.nicovideo.jp/secure/login', login_data)
login_results = self._download_webpage(
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request, None, note='Logging in', errnote='Unable to log in')
if re.search(r'(?i)<h1 class="mb8p4">Log in error</h1>', login_results) is not None:
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self._downloader.report_warning('unable to log in: bad username or password')
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return False
# Successful login
self._AUTHENTICATED = True
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return True
def _real_extract(self, url):
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video_id = self._match_id(url)
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# Get video webpage. We are not actually interested in it for normal
# cases, but need the cookies in order to be able to download the
# info webpage
webpage, handle = self._download_webpage_handle(
'http://www.nicovideo.jp/watch/' + video_id, video_id)
if video_id.startswith('so'):
video_id = self._match_id(handle.geturl())
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video_info = self._download_xml(
'http://ext.nicovideo.jp/api/getthumbinfo/' + video_id, video_id,
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note='Downloading video info page')
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if self._AUTHENTICATED:
# Get flv info
flv_info_webpage = self._download_webpage(
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'http://flapi.nicovideo.jp/api/getflv/' + video_id + '?as3=1',
video_id, 'Downloading flv info')
else:
# Get external player info
ext_player_info = self._download_webpage(
'http://ext.nicovideo.jp/thumb_watch/' + video_id, video_id)
thumb_play_key = self._search_regex(
r'\'thumbPlayKey\'\s*:\s*\'(.*?)\'', ext_player_info, 'thumbPlayKey')
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# Get flv info
flv_info_data = compat_urllib_parse.urlencode({
'k': thumb_play_key,
'v': video_id
})
flv_info_request = compat_urllib_request.Request(
'http://ext.nicovideo.jp/thumb_watch', flv_info_data,
{'Content-Type': 'application/x-www-form-urlencoded'})
flv_info_webpage = self._download_webpage(
flv_info_request, video_id,
note='Downloading flv info', errnote='Unable to download flv info')
flv_info = compat_urlparse.parse_qs(flv_info_webpage)
if 'url' not in flv_info:
if 'deleted' in flv_info:
raise ExtractorError('The video has been deleted.',
expected=True)
else:
raise ExtractorError('Unable to find video URL')
video_real_url = flv_info['url'][0]
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# Start extracting information
title = xpath_text(video_info, './/title')
if not title:
title = self._og_search_title(webpage, default=None)
if not title:
title = self._html_search_regex(
r'<span[^>]+class="videoHeaderTitle"[^>]*>([^<]+)</span>',
webpage, 'video title')
watch_api_data_string = self._html_search_regex(
r'<div[^>]+id="watchAPIDataContainer"[^>]+>([^<]+)</div>',
webpage, 'watch api data', default=None)
watch_api_data = self._parse_json(watch_api_data_string, video_id) if watch_api_data_string else {}
video_detail = watch_api_data.get('videoDetail', {})
extension = xpath_text(video_info, './/movie_type')
if not extension:
extension = determine_ext(video_real_url)
thumbnail = (
xpath_text(video_info, './/thumbnail_url') or
self._html_search_meta('image', webpage, 'thumbnail', default=None) or
video_detail.get('thumbnail'))
description = xpath_text(video_info, './/description')
timestamp = parse_iso8601(xpath_text(video_info, './/first_retrieve'))
if not timestamp:
match = self._html_search_meta('datePublished', webpage, 'date published', default=None)
if match:
timestamp = parse_iso8601(match.replace('+', ':00+'))
if not timestamp and video_detail.get('postedAt'):
timestamp = parse_iso8601(
video_detail['postedAt'].replace('/', '-'),
delimiter=' ', timezone=datetime.timedelta(hours=9))
view_count = int_or_none(xpath_text(video_info, './/view_counter'))
if not view_count:
match = self._html_search_regex(
r'>Views: <strong[^>]*>([^<]+)</strong>',
webpage, 'view count', default=None)
if match:
view_count = int_or_none(match.replace(',', ''))
view_count = view_count or video_detail.get('viewCount')
comment_count = int_or_none(xpath_text(video_info, './/comment_num'))
if not comment_count:
match = self._html_search_regex(
r'>Comments: <strong[^>]*>([^<]+)</strong>',
webpage, 'comment count', default=None)
if match:
comment_count = int_or_none(match.replace(',', ''))
comment_count = comment_count or video_detail.get('commentCount')
duration = (parse_duration(
xpath_text(video_info, './/length') or
self._html_search_meta(
'video:duration', webpage, 'video duration', default=None)) or
video_detail.get('length'))
webpage_url = xpath_text(video_info, './/watch_url') or url
if video_info.find('.//ch_id') is not None:
uploader_id = video_info.find('.//ch_id').text
uploader = video_info.find('.//ch_name').text
elif video_info.find('.//user_id') is not None:
uploader_id = video_info.find('.//user_id').text
uploader = video_info.find('.//user_nickname').text
else:
uploader_id = uploader = None
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return {
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'id': video_id,
'url': video_real_url,
'title': title,
'ext': extension,
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'format_id': 'economy' if video_real_url.endswith('low') else 'normal',
'thumbnail': thumbnail,
'description': description,
'uploader': uploader,
'timestamp': timestamp,
'uploader_id': uploader_id,
'view_count': view_count,
'comment_count': comment_count,
'duration': duration,
'webpage_url': webpage_url,
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}
class NiconicoPlaylistIE(InfoExtractor):
_VALID_URL = r'https?://www\.nicovideo\.jp/mylist/(?P<id>\d+)'
_TEST = {
'url': 'http://www.nicovideo.jp/mylist/27411728',
'info_dict': {
'id': '27411728',
'title': 'AKB48のオールナイトニッポン',
},
'playlist_mincount': 225,
}
def _real_extract(self, url):
list_id = self._match_id(url)
webpage = self._download_webpage(url, list_id)
entries_json = self._search_regex(r'Mylist\.preload\(\d+, (\[.*\])\);',
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webpage, 'entries')
entries = json.loads(entries_json)
entries = [{
'_type': 'url',
'ie_key': NiconicoIE.ie_key(),
'url': ('http://www.nicovideo.jp/watch/%s' %
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entry['item_data']['video_id']),
} for entry in entries]
return {
'_type': 'playlist',
'title': self._search_regex(r'\s+name: "(.*?)"', webpage, 'title'),
'id': list_id,
'entries': entries,
}