[nytimes] improve extraction

This commit is contained in:
Remita Amine 2016-09-01 19:07:41 +01:00
parent f97ec8bcb9
commit 4191779dcd

View File

@ -1,26 +1,37 @@
from __future__ import unicode_literals
import hmac
import hashlib
import base64
from .common import InfoExtractor
from ..utils import (
float_or_none,
int_or_none,
parse_iso8601,
mimetype2ext,
determine_ext,
)
class NYTimesBaseIE(InfoExtractor):
_SECRET = b'pX(2MbU2);4N{7J8)>YwKRJ+/pQ3JkiU2Q^V>mFYv6g6gYvt6v'
def _extract_video_from_id(self, video_id):
video_data = self._download_json(
'http://www.nytimes.com/svc/video/api/v2/video/%s' % video_id,
video_id, 'Downloading video JSON')
# Authorization generation algorithm is reverse engineered from `signer` in
# http://graphics8.nytimes.com/video/vhs/vhs-2.x.min.js
path = '/svc/video/api/v3/video/' + video_id
hm = hmac.new(self._SECRET, (path + ':vhs').encode(), hashlib.sha512).hexdigest()
video_data = self._download_json('http://www.nytimes.com' + path, video_id, 'Downloading video JSON', headers={
'Authorization': 'NYTV ' + base64.b64encode(hm.encode()).decode(),
'X-NYTV': 'vhs',
}, fatal=False)
if not video_data:
video_data = self._download_json(
'http://www.nytimes.com/svc/video/api/v2/video/' + video_id,
video_id, 'Downloading video JSON')
title = video_data['headline']
description = video_data.get('summary')
duration = float_or_none(video_data.get('duration'), 1000)
uploader = video_data.get('byline')
publication_date = video_data.get('publication_date')
timestamp = parse_iso8601(publication_date[:-8]) if publication_date else None
def get_file_size(file_size):
if isinstance(file_size, int):
@ -28,35 +39,59 @@ def get_file_size(file_size):
elif isinstance(file_size, dict):
return int(file_size.get('value', 0))
else:
return 0
return None
formats = [
{
'url': video['url'],
'format_id': video.get('type'),
'vcodec': video.get('video_codec'),
'width': int_or_none(video.get('width')),
'height': int_or_none(video.get('height')),
'filesize': get_file_size(video.get('fileSize')),
} for video in video_data['renditions'] if video.get('url')
]
urls = []
formats = []
for video in video_data.get('renditions', []):
video_url = video.get('url')
format_id = video.get('type')
if not video_url or format_id == 'thumbs' or video_url in urls:
continue
urls.append(video_url)
ext = mimetype2ext(video.get('mimetype')) or determine_ext(video_url)
if ext == 'm3u8':
formats.extend(self._extract_m3u8_formats(
video_url, video_id, 'mp4', 'm3u8_native',
m3u8_id=format_id or 'hls', fatal=False))
elif ext == 'mpd':
continue
# formats.extend(self._extract_mpd_formats(
# video_url, video_id, format_id or 'dash', fatal=False))
else:
formats.append({
'url': video_url,
'format_id': format_id,
'vcodec': video.get('videoencoding') or video.get('video_codec'),
'width': int_or_none(video.get('width')),
'height': int_or_none(video.get('height')),
'filesize': get_file_size(video.get('file_size') or video.get('fileSize')),
'tbr': int_or_none(video.get('bitrate'), 1000),
'ext': ext,
})
self._sort_formats(formats)
thumbnails = [
{
'url': 'http://www.nytimes.com/%s' % image['url'],
thumbnails = []
for image in video_data.get('images', []):
image_url = image.get('url')
if not image_url:
continue
thumbnails.append({
'url': 'http://www.nytimes.com/' + image_url,
'width': int_or_none(image.get('width')),
'height': int_or_none(image.get('height')),
} for image in video_data.get('images', []) if image.get('url')
]
})
publication_date = video_data.get('publication_date')
timestamp = parse_iso8601(publication_date[:-8]) if publication_date else None
return {
'id': video_id,
'title': title,
'description': description,
'description': video_data.get('summary'),
'timestamp': timestamp,
'uploader': uploader,
'duration': duration,
'uploader': video_data.get('byline'),
'duration': float_or_none(video_data.get('duration'), 1000),
'formats': formats,
'thumbnails': thumbnails,
}
@ -67,7 +102,7 @@ class NYTimesIE(NYTimesBaseIE):
_TESTS = [{
'url': 'http://www.nytimes.com/video/opinion/100000002847155/verbatim-what-is-a-photocopier.html?playlistId=100000001150263',
'md5': '18a525a510f942ada2720db5f31644c0',
'md5': 'd665342765db043f7e225cff19df0f2d',
'info_dict': {
'id': '100000002847155',
'ext': 'mov',