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youtube-dl/youtube_dl/extractor/niconico.py
2014-07-04 22:26:56 +07:00

147 lines
5.5 KiB
Python

# encoding: utf-8
from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..utils import (
compat_urllib_parse,
compat_urllib_request,
compat_urlparse,
unified_strdate,
parse_duration,
int_or_none,
)
class NiconicoIE(InfoExtractor):
IE_NAME = 'niconico'
IE_DESC = 'ニコニコ動画'
_TEST = {
'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',
'description': '(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org',
'duration': 33,
},
'params': {
'username': 'ydl.niconico@gmail.com',
'password': 'youtube-dl',
},
}
_VALID_URL = r'https?://(?:www\.|secure\.)?nicovideo\.jp/watch/((?:[a-z]{2})?[0-9]+)'
_NETRC_MACHINE = 'niconico'
# Determine whether the downloader uses authentication to download video
_AUTHENTICATE = False
def _real_initialize(self):
if self._downloader.params.get('username', None) is not None:
self._AUTHENTICATE = True
if self._AUTHENTICATE:
self._login()
def _login(self):
(username, password) = self._get_login_info()
# 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
return True
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group(1)
# Get video webpage. We are not actually interested in it, but need
# the cookies in order to be able to download the info webpage
self._download_webpage('http://www.nicovideo.jp/watch/' + video_id, video_id)
video_info = self._download_xml(
'http://ext.nicovideo.jp/api/getthumbinfo/' + video_id, video_id,
note='Downloading video info page')
if self._AUTHENTICATE:
# Get flv info
flv_info_webpage = self._download_webpage(
'http://flapi.nicovideo.jp/api/getflv?v=' + video_id,
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')
video_real_url = compat_urlparse.parse_qs(flv_info_webpage)['url'][0]
# Start extracting information
title = video_info.find('.//title').text
extension = video_info.find('.//movie_type').text
video_format = extension.upper()
thumbnail = video_info.find('.//thumbnail_url').text
description = video_info.find('.//description').text
upload_date = unified_strdate(video_info.find('.//first_retrieve').text.split('+')[0])
view_count = int_or_none(video_info.find('.//view_counter').text)
comment_count = int_or_none(video_info.find('.//comment_num').text)
duration = parse_duration(video_info.find('.//length').text)
webpage_url = video_info.find('.//watch_url').text
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': video_format,
'thumbnail': thumbnail,
'description': description,
'uploader': uploader,
'upload_date': upload_date,
'uploader_id': uploader_id,
'view_count': view_count,
'comment_count': comment_count,
'duration': duration,
'webpage_url': webpage_url,
}