1
1
mirror of https://github.com/ytdl-org/youtube-dl synced 2024-12-15 01:37:48 +01:00
youtube-dl/youtube_dl/extractor/niconico.py
2015-06-15 03:43:33 +06:00

288 lines
11 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# encoding: utf-8
from __future__ import unicode_literals
import re
import json
import datetime
from .common import InfoExtractor
from ..compat import (
compat_urllib_parse,
compat_urllib_request,
compat_urlparse,
)
from ..utils import (
ExtractorError,
int_or_none,
parse_duration,
parse_iso8601,
xpath_text,
determine_ext,
)
class NiconicoIE(InfoExtractor):
IE_NAME = 'niconico'
IE_DESC = 'ニコニコ動画'
_TESTS = [{
'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,
'description': '(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org',
'duration': 33,
},
}, {
# File downloaded with and without credentials are different, so omit
# the md5 field
'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',
'uploader': 'りょうた',
'uploader_id': '18822557',
'upload_date': '20110429',
'timestamp': 1304065916,
'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',
}
}]
_VALID_URL = r'https?://(?:www\.|secure\.)?nicovideo\.jp/watch/(?P<id>(?:[a-z]{2})?[0-9]+)'
_NETRC_MACHINE = 'niconico'
# Determine whether the downloader used authentication to download video
_AUTHENTICATED = False
def _real_initialize(self):
self._login()
def _login(self):
(username, password) = self._get_login_info()
# No authentication to be performed
if not username:
return True
# Log in
login_form_strs = {
'mail': username,
'password': password,
}
# Convert to UTF-8 *before* urlencode because Python 2.x's urlencode
# chokes on unicode
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(
'https://secure.nicovideo.jp/secure/login', login_data)
login_results = self._download_webpage(
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:
self._downloader.report_warning('unable to log in: bad username or password')
return False
# Successful login
self._AUTHENTICATED = True
return True
def _real_extract(self, url):
video_id = self._match_id(url)
# 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())
video_info = self._download_xml(
'http://ext.nicovideo.jp/api/getthumbinfo/' + video_id, video_id,
note='Downloading video info page')
if self._AUTHENTICATED:
# Get flv info
flv_info_webpage = self._download_webpage(
'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')
# 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]
# 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
return {
'id': video_id,
'url': video_real_url,
'title': title,
'ext': extension,
'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,
}
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+, (\[.*\])\);',
webpage, 'entries')
entries = json.loads(entries_json)
entries = [{
'_type': 'url',
'ie_key': NiconicoIE.ie_key(),
'url': ('http://www.nicovideo.jp/watch/%s' %
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,
}