youtube-dl/youtube_dl/extractor/xuite.py
2015-01-28 00:13:40 +08:00

148 lines
5.0 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import base64
from .common import InfoExtractor
from ..compat import (
compat_urlparse,
compat_urllib_parse_unquote,
compat_parse_qs
)
from ..utils import (
ExtractorError,
parse_iso8601,
parse_duration
)
# ref: http://stackoverflow.com/questions/475074/regex-to-parse-or-validate-base64-data
REGEX_BASE64 = r'(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?'
CST_ZONE = +8 # China Standard Time
class XuiteIE(InfoExtractor):
_VALID_URL = r'http://vlog.xuite.net/play/(?P<id>%s)(/.*)?' % REGEX_BASE64
_TESTS = [{
# Audio
'url': 'http://vlog.xuite.net/play/RGkzc1ZULTM4NjA5MTQuZmx2',
'md5': '63a42c705772aa53fd4c1a0027f86adf',
'info_dict': {
'id': 'RGkzc1ZULTM4NjA5MTQuZmx2',
'ext': 'mp3',
'upload_date': '20110902',
'uploader_id': '15973816',
'uploader': '阿能',
'timestamp': 1314932940,
'title': '孤單南半球-歐德陽'
}
}, {
# Audio with alternative form of url
'url': 'http://vlog.xuite.net/play/S1dDUjdyLTMyOTc3NjcuZmx2/%E5%AD%AB%E7%87%95%E5%A7%BF-%E7%9C%BC%E6%B7%9A%E6%88%90%E8%A9%A9',
'md5': 'c91645f324de53d82ebb80930e1a73d2',
'info_dict': {
'id': 'S1dDUjdyLTMyOTc3NjcuZmx2',
'ext': 'mp3',
'upload_date': '20101226',
'uploader_id': '10102699',
'uploader': '',
'timestamp': 1293367080,
'title': '孫燕姿-眼淚成詩',
}
}, {
# Video with only one format
'url': 'http://vlog.xuite.net/play/TkRZNjhULTM0NDE2MjkuZmx2',
'md5': 'c45737fc8ac5dc8ac2f92ecbcecf505e',
'info_dict': {
'id': 'TkRZNjhULTM0NDE2MjkuZmx2',
'ext': 'mp4',
'upload_date': '20110306',
'uploader_id': '10400126',
'uploader': 'Valen',
'timestamp': 1299383640,
'title': '孫燕姿 - 眼淚成詩',
}
}, {
# Video with two formats
'url': 'http://vlog.xuite.net/play/bWo1N1pLLTIxMzAxMTcwLmZsdg==',
'md5': '1166e0f461efe55b62e26a2d2a68e6de',
'info_dict': {
'id': 'bWo1N1pLLTIxMzAxMTcwLmZsdg==',
'ext': 'mp4',
'upload_date': '20150117',
'uploader_id': '242127761',
'uploader': '我只是想認真點',
'timestamp': 1421481240,
'title': '暗殺教室 02',
}
}]
def _flv_config(self, media_id):
base64_media_id = base64.b64encode(media_id.encode('utf-8')).decode('utf-8')
flv_config_url = 'http://vlog.xuite.net/flash/player?media=' + base64_media_id
flv_config = self._download_xml(flv_config_url, 'flv config')
prop_dict = {}
for prop in flv_config.findall('./property'):
prop_id = base64.b64decode(prop.attrib['id']).decode('utf-8')
if not prop.text:
continue # CDATA may be empty in flv config
encoded_content = base64.b64decode(prop.text).decode('utf-8')
prop_dict[prop_id] = compat_urllib_parse_unquote(encoded_content)
return prop_dict
def _type_string(self, media_url):
query_string = compat_urlparse.urlparse(media_url).query
type_string = compat_parse_qs(query_string)['q'][0]
return type_string
def _guess_ext(self, media_url):
type_string = self._type_string(media_url)
if type_string == 'mp3':
return 'mp3'
elif type_string == '360' or type_string == '720':
return 'mp4'
else:
raise ExtractorError('Unknown type string %s' % type_string)
def _real_extract(self, url):
video_id = self._match_id(url)
page = self._download_webpage(url, video_id)
media_id = self._html_search_regex(r'data-mediaid="(\d+)"', page, 'media id')
flv_config = self._flv_config(media_id)
timestamp_local = parse_iso8601(flv_config['publish_datetime'], ' ')
timestamp_gmt = timestamp_local - CST_ZONE * 3600
ret_attrs = {
'id': video_id,
'title': flv_config['title'],
'thumbnail': flv_config['thumb'],
'uploader': flv_config['author_name'],
'timestamp': timestamp_gmt,
'uploader_id': flv_config['author_id'],
'duration': parse_duration(flv_config['duration']),
'categories': [flv_config['category']]
}
if 'hq_src' in flv_config:
urls = [flv_config['src'], flv_config['hq_src']]
ret_attrs['formats'] = []
for url in urls:
ret_attrs['formats'].append({
'url': url,
'ext': self._guess_ext(url),
'format_id': self._type_string(url),
'height': int(self._type_string(url))
})
else:
ret_attrs['url'] = flv_config['src']
ret_attrs['ext'] = self._guess_ext(flv_config['src'])
return ret_attrs