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youtube-dl/youtube_dl/extractor/nytimes.py
2016-10-17 22:16:23 +07:00

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# coding: utf-8
from __future__ import unicode_literals
import hmac
import hashlib
import base64
from .common import InfoExtractor
from ..utils import (
determine_ext,
float_or_none,
int_or_none,
js_to_json,
mimetype2ext,
parse_iso8601,
remove_start,
)
class NYTimesBaseIE(InfoExtractor):
_SECRET = b'pX(2MbU2);4N{7J8)>YwKRJ+/pQ3JkiU2Q^V>mFYv6g6gYvt6v'
def _extract_video_from_id(self, video_id):
# 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']
def get_file_size(file_size):
if isinstance(file_size, int):
return file_size
elif isinstance(file_size, dict):
return int(file_size.get('value', 0))
else:
return None
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 = []
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')),
})
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': video_data.get('summary'),
'timestamp': timestamp,
'uploader': video_data.get('byline'),
'duration': float_or_none(video_data.get('duration'), 1000),
'formats': formats,
'thumbnails': thumbnails,
}
class NYTimesIE(NYTimesBaseIE):
_VALID_URL = r'https?://(?:(?:www\.)?nytimes\.com/video/(?:[^/]+/)+?|graphics8\.nytimes\.com/bcvideo/\d+(?:\.\d+)?/iframe/embed\.html\?videoId=)(?P<id>\d+)'
_TESTS = [{
'url': 'http://www.nytimes.com/video/opinion/100000002847155/verbatim-what-is-a-photocopier.html?playlistId=100000001150263',
'md5': 'd665342765db043f7e225cff19df0f2d',
'info_dict': {
'id': '100000002847155',
'ext': 'mov',
'title': 'Verbatim: What Is a Photocopier?',
'description': 'md5:93603dada88ddbda9395632fdc5da260',
'timestamp': 1398631707,
'upload_date': '20140427',
'uploader': 'Brett Weiner',
'duration': 419,
}
}, {
'url': 'http://www.nytimes.com/video/travel/100000003550828/36-hours-in-dubai.html',
'only_matching': True,
}]
def _real_extract(self, url):
video_id = self._match_id(url)
return self._extract_video_from_id(video_id)
class NYTimesArticleIE(NYTimesBaseIE):
_VALID_URL = r'https?://(?:www\.)?nytimes\.com/(.(?<!video))*?/(?:[^/]+/)*(?P<id>[^.]+)(?:\.html)?'
_TESTS = [{
'url': 'http://www.nytimes.com/2015/04/14/business/owner-of-gravity-payments-a-credit-card-processor-is-setting-a-new-minimum-wage-70000-a-year.html?_r=0',
'md5': 'e2076d58b4da18e6a001d53fd56db3c9',
'info_dict': {
'id': '100000003628438',
'ext': 'mov',
'title': 'New Minimum Wage: $70,000 a Year',
'description': 'Dan Price, C.E.O. of Gravity Payments, surprised his 120-person staff by announcing that he planned over the next three years to raise the salary of every employee to $70,000 a year.',
'timestamp': 1429033037,
'upload_date': '20150414',
'uploader': 'Matthew Williams',
}
}, {
'url': 'http://www.nytimes.com/2016/10/14/podcasts/revelations-from-the-final-weeks.html',
'md5': 'e0d52040cafb07662acf3c9132db3575',
'info_dict': {
'id': '100000004709062',
'title': 'The Run-Up: He Was Like an Octopus',
'ext': 'mp3',
'description': 'md5:fb5c6b93b12efc51649b4847fe066ee4',
'series': 'The Run-Up',
'episode': 'He Was Like an Octopus',
'episode_number': 20,
'duration': 2130,
}
}, {
'url': 'http://www.nytimes.com/2016/10/16/books/review/inside-the-new-york-times-book-review-the-rise-of-hitler.html',
'info_dict': {
'id': '100000004709479',
'title': 'The Rise of Hitler',
'ext': 'mp3',
'description': 'md5:bce877fd9e3444990cb141875fab0028',
'creator': 'Pamela Paul',
'duration': 3475,
},
'params': {
'skip_download': True,
},
}, {
'url': 'http://www.nytimes.com/news/minute/2014/03/17/times-minute-whats-next-in-crimea/?_php=true&_type=blogs&_php=true&_type=blogs&_r=1',
'only_matching': True,
}]
def _extract_podcast_from_json(self, json, page_id, webpage):
podcast_audio = self._parse_json(
json, page_id, transform_source=js_to_json)
audio_data = podcast_audio['data']
track = audio_data['track']
episode_title = track['title']
video_url = track['source']
description = track.get('description') or self._html_search_meta(
['og:description', 'twitter:description'], webpage)
podcast_title = audio_data.get('podcast', {}).get('title')
title = ('%s: %s' % (podcast_title, episode_title)
if podcast_title else episode_title)
episode = audio_data.get('podcast', {}).get('episode') or ''
episode_number = int_or_none(self._search_regex(
r'[Ee]pisode\s+(\d+)', episode, 'episode number', default=None))
return {
'id': remove_start(podcast_audio.get('target'), 'FT') or page_id,
'url': video_url,
'title': title,
'description': description,
'creator': track.get('credit'),
'series': podcast_title,
'episode': episode_title,
'episode_number': episode_number,
'duration': int_or_none(track.get('duration')),
}
def _real_extract(self, url):
page_id = self._match_id(url)
webpage = self._download_webpage(url, page_id)
video_id = self._search_regex(
r'data-videoid=["\'](\d+)', webpage, 'video id',
default=None, fatal=False)
if video_id is not None:
return self._extract_video_from_id(video_id)
podcast_data = self._search_regex(
(r'NYTD\.FlexTypes\.push\s*\(\s*({.+?})\s*\)\s*;\s*</script',
r'NYTD\.FlexTypes\.push\s*\(\s*({.+})\s*\)\s*;'),
webpage, 'podcast data')
return self._extract_podcast_from_json(podcast_data, page_id, webpage)