mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-27 15:16:52 +01:00
[downloader/mhtml] Add new downloader (#343)
This downloader is intended to be used for streams that consist of a timed sequence of stand-alone images, such as slideshows or thumbnail streams This can be used for implementing: https://github.com/ytdl-org/youtube-dl/issues/4974#issue-58006762 https://github.com/ytdl-org/youtube-dl/issues/4540#issuecomment-69574231 https://github.com/ytdl-org/youtube-dl/pull/11185#issuecomment-335554239 https://github.com/ytdl-org/youtube-dl/issues/9868 https://github.com/ytdl-org/youtube-dl/pull/14951 Authored by: fstirlitz
This commit is contained in:
felix
pukkandan
parent
4d85fbbdbb
commit
cdb19aa4c2
Notes:
pukkandan
2021-06-13 22:41:29 +05:30
This also adds extracting storyboards from DASH manifest as mhtml
@ -22,6 +22,7 @@ def _get_real_downloader(info_dict, protocol=None, *args, **kwargs):
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from .rtmp import RtmpFD
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from .rtmp import RtmpFD
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from .rtsp import RtspFD
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from .rtsp import RtspFD
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from .ism import IsmFD
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from .ism import IsmFD
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from .mhtml import MhtmlFD
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from .niconico import NiconicoDmcFD
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from .niconico import NiconicoDmcFD
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from .youtube_live_chat import YoutubeLiveChatReplayFD
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from .youtube_live_chat import YoutubeLiveChatReplayFD
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from .external import (
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from .external import (
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@ -39,6 +40,7 @@ def _get_real_downloader(info_dict, protocol=None, *args, **kwargs):
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'f4m': F4mFD,
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'f4m': F4mFD,
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'http_dash_segments': DashSegmentsFD,
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'http_dash_segments': DashSegmentsFD,
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'ism': IsmFD,
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'ism': IsmFD,
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'mhtml': MhtmlFD,
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'niconico_dmc': NiconicoDmcFD,
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'niconico_dmc': NiconicoDmcFD,
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'youtube_live_chat_replay': YoutubeLiveChatReplayFD,
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'youtube_live_chat_replay': YoutubeLiveChatReplayFD,
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}
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}
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202
yt_dlp/downloader/mhtml.py
Normal file
202
yt_dlp/downloader/mhtml.py
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@ -0,0 +1,202 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import io
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import quopri
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import re
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import uuid
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from .fragment import FragmentFD
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from ..utils import (
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escapeHTML,
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formatSeconds,
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srt_subtitles_timecode,
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urljoin,
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)
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from ..version import __version__ as YT_DLP_VERSION
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class MhtmlFD(FragmentFD):
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FD_NAME = 'mhtml'
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_STYLESHEET = """\
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html, body {
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margin: 0;
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padding: 0;
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height: 100vh;
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}
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html {
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overflow-y: scroll;
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scroll-snap-type: y mandatory;
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}
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body {
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scroll-snap-type: y mandatory;
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display: flex;
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flex-flow: column;
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}
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body > figure {
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max-width: 100vw;
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max-height: 100vh;
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scroll-snap-align: center;
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}
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body > figure > figcaption {
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text-align: center;
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height: 2.5em;
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}
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body > figure > img {
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display: block;
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margin: auto;
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max-width: 100%;
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max-height: calc(100vh - 5em);
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}
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"""
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_STYLESHEET = re.sub(r'\s+', ' ', _STYLESHEET)
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_STYLESHEET = re.sub(r'\B \B|(?<=[\w\-]) (?=[^\w\-])|(?<=[^\w\-]) (?=[\w\-])', '', _STYLESHEET)
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@staticmethod
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def _escape_mime(s):
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return '=?utf-8?Q?' + (b''.join(
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bytes((b,)) if b >= 0x20 else b'=%02X' % b
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for b in quopri.encodestring(s.encode('utf-8'), header=True)
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)).decode('us-ascii') + '?='
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def _gen_cid(self, i, fragment, frag_boundary):
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return '%u.%s@yt-dlp.github.io.invalid' % (i, frag_boundary)
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def _gen_stub(self, *, fragments, frag_boundary, title):
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output = io.StringIO()
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output.write((
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'<!DOCTYPE html>'
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'<html>'
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'<head>'
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'' '<meta name="generator" content="yt-dlp {version}">'
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'' '<title>{title}</title>'
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'' '<style>{styles}</style>'
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'<body>'
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).format(
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version=escapeHTML(YT_DLP_VERSION),
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styles=self._STYLESHEET,
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title=escapeHTML(title)
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))
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t0 = 0
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for i, frag in enumerate(fragments):
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output.write('<figure>')
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try:
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t1 = t0 + frag['duration']
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output.write((
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'<figcaption>Slide #{num}: {t0} – {t1} (duration: {duration})</figcaption>'
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).format(
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num=i + 1,
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t0=srt_subtitles_timecode(t0),
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t1=srt_subtitles_timecode(t1),
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duration=formatSeconds(frag['duration'], msec=True)
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))
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except (KeyError, ValueError, TypeError):
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t1 = None
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output.write((
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'<figcaption>Slide #{num}</figcaption>'
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).format(num=i + 1))
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output.write('<img src="cid:{cid}">'.format(
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cid=self._gen_cid(i, frag, frag_boundary)))
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output.write('</figure>')
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t0 = t1
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return output.getvalue()
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def real_download(self, filename, info_dict):
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fragment_base_url = info_dict.get('fragment_base_url')
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fragments = info_dict['fragments'][:1] if self.params.get(
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'test', False) else info_dict['fragments']
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title = info_dict['title']
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origin = info_dict['webpage_url']
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ctx = {
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'filename': filename,
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'total_frags': len(fragments),
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}
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self._prepare_and_start_frag_download(ctx)
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extra_state = ctx.setdefault('extra_state', {
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'header_written': False,
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'mime_boundary': str(uuid.uuid4()).replace('-', ''),
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})
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frag_boundary = extra_state['mime_boundary']
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if not extra_state['header_written']:
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stub = self._gen_stub(
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fragments=fragments,
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frag_boundary=frag_boundary,
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title=title
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)
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ctx['dest_stream'].write((
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'MIME-Version: 1.0\r\n'
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'From: <nowhere@yt-dlp.github.io.invalid>\r\n'
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'To: <nowhere@yt-dlp.github.io.invalid>\r\n'
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'Subject: {title}\r\n'
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'Content-type: multipart/related; '
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'' 'boundary="{boundary}"; '
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'' 'type="text/html"\r\n'
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'X.yt-dlp.Origin: {origin}\r\n'
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'\r\n'
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'--{boundary}\r\n'
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'Content-Type: text/html; charset=utf-8\r\n'
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'Content-Length: {length}\r\n'
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'\r\n'
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'{stub}\r\n'
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).format(
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origin=origin,
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boundary=frag_boundary,
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length=len(stub),
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title=self._escape_mime(title),
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stub=stub
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).encode('utf-8'))
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extra_state['header_written'] = True
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for i, fragment in enumerate(fragments):
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if (i + 1) <= ctx['fragment_index']:
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continue
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fragment_url = urljoin(fragment_base_url, fragment['path'])
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success, frag_content = self._download_fragment(ctx, fragment_url, info_dict)
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if not success:
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continue
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mime_type = b'image/jpeg'
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if frag_content.startswith(b'\x89PNG\r\n\x1a\n'):
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mime_type = b'image/png'
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if frag_content.startswith((b'GIF87a', b'GIF89a')):
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mime_type = b'image/gif'
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if frag_content.startswith(b'RIFF') and frag_content[8:12] == 'WEBP':
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mime_type = b'image/webp'
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frag_header = io.BytesIO()
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frag_header.write(
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b'--%b\r\n' % frag_boundary.encode('us-ascii'))
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frag_header.write(
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b'Content-ID: <%b>\r\n' % self._gen_cid(i, fragment, frag_boundary).encode('us-ascii'))
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frag_header.write(
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b'Content-type: %b\r\n' % mime_type)
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frag_header.write(
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b'Content-length: %u\r\n' % len(frag_content))
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frag_header.write(
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b'Content-location: %b\r\n' % fragment_url.encode('us-ascii'))
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frag_header.write(
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b'X.yt-dlp.Duration: %f\r\n' % fragment['duration'])
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frag_header.write(b'\r\n')
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self._append_fragment(
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ctx, frag_header.getvalue() + frag_content + b'\r\n')
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ctx['dest_stream'].write(
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b'--%b--\r\n\r\n' % frag_boundary.encode('us-ascii'))
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self._finish_frag_download(ctx)
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return True
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@ -24,7 +24,7 @@ class CanvasIE(InfoExtractor):
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_VALID_URL = r'https?://mediazone\.vrt\.be/api/v1/(?P<site_id>canvas|een|ketnet|vrt(?:video|nieuws)|sporza|dako)/assets/(?P<id>[^/?#&]+)'
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_VALID_URL = r'https?://mediazone\.vrt\.be/api/v1/(?P<site_id>canvas|een|ketnet|vrt(?:video|nieuws)|sporza|dako)/assets/(?P<id>[^/?#&]+)'
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_TESTS = [{
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_TESTS = [{
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'url': 'https://mediazone.vrt.be/api/v1/ketnet/assets/md-ast-4ac54990-ce66-4d00-a8ca-9eac86f4c475',
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'url': 'https://mediazone.vrt.be/api/v1/ketnet/assets/md-ast-4ac54990-ce66-4d00-a8ca-9eac86f4c475',
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'md5': '68993eda72ef62386a15ea2cf3c93107',
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'md5': '37b2b7bb9b3dcaa05b67058dc3a714a9',
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'info_dict': {
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'info_dict': {
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'id': 'md-ast-4ac54990-ce66-4d00-a8ca-9eac86f4c475',
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'id': 'md-ast-4ac54990-ce66-4d00-a8ca-9eac86f4c475',
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'display_id': 'md-ast-4ac54990-ce66-4d00-a8ca-9eac86f4c475',
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'display_id': 'md-ast-4ac54990-ce66-4d00-a8ca-9eac86f4c475',
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@ -32,9 +32,9 @@ class CanvasIE(InfoExtractor):
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'title': 'Nachtwacht: De Greystook',
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'title': 'Nachtwacht: De Greystook',
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'description': 'Nachtwacht: De Greystook',
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'description': 'Nachtwacht: De Greystook',
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'thumbnail': r're:^https?://.*\.jpg$',
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'thumbnail': r're:^https?://.*\.jpg$',
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'duration': 1468.04,
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'duration': 1468.02,
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},
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},
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'expected_warnings': ['is not a supported codec', 'Unknown MIME type'],
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'expected_warnings': ['is not a supported codec'],
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}, {
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}, {
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'url': 'https://mediazone.vrt.be/api/v1/canvas/assets/mz-ast-5e5f90b6-2d72-4c40-82c2-e134f884e93e',
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'url': 'https://mediazone.vrt.be/api/v1/canvas/assets/mz-ast-5e5f90b6-2d72-4c40-82c2-e134f884e93e',
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'only_matching': True,
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'only_matching': True,
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@ -2126,6 +2126,7 @@ def extract_media(x_media_line):
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format_id.append(str(format_index))
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format_id.append(str(format_index))
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f = {
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f = {
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'format_id': '-'.join(format_id),
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'format_id': '-'.join(format_id),
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'format_note': name,
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'format_index': format_index,
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'format_index': format_index,
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'url': manifest_url,
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'url': manifest_url,
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'manifest_url': m3u8_url,
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'manifest_url': m3u8_url,
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@ -2637,7 +2638,7 @@ def extract_Initialization(source):
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mime_type = representation_attrib['mimeType']
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mime_type = representation_attrib['mimeType']
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content_type = representation_attrib.get('contentType', mime_type.split('/')[0])
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content_type = representation_attrib.get('contentType', mime_type.split('/')[0])
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if content_type in ('video', 'audio', 'text'):
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if content_type in ('video', 'audio', 'text') or mime_type == 'image/jpeg':
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base_url = ''
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base_url = ''
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for element in (representation, adaptation_set, period, mpd_doc):
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for element in (representation, adaptation_set, period, mpd_doc):
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base_url_e = element.find(_add_ns('BaseURL'))
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base_url_e = element.find(_add_ns('BaseURL'))
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@ -2654,9 +2655,15 @@ def extract_Initialization(source):
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url_el = representation.find(_add_ns('BaseURL'))
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url_el = representation.find(_add_ns('BaseURL'))
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filesize = int_or_none(url_el.attrib.get('{http://youtube.com/yt/2012/10/10}contentLength') if url_el is not None else None)
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filesize = int_or_none(url_el.attrib.get('{http://youtube.com/yt/2012/10/10}contentLength') if url_el is not None else None)
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bandwidth = int_or_none(representation_attrib.get('bandwidth'))
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bandwidth = int_or_none(representation_attrib.get('bandwidth'))
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if representation_id is not None:
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format_id = representation_id
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else:
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format_id = content_type
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if mpd_id:
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format_id = mpd_id + '-' + format_id
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if content_type in ('video', 'audio'):
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if content_type in ('video', 'audio'):
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f = {
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f = {
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'format_id': '%s-%s' % (mpd_id, representation_id) if mpd_id else representation_id,
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'format_id': format_id,
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'manifest_url': mpd_url,
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'manifest_url': mpd_url,
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'ext': mimetype2ext(mime_type),
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'ext': mimetype2ext(mime_type),
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'width': int_or_none(representation_attrib.get('width')),
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'width': int_or_none(representation_attrib.get('width')),
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@ -2676,6 +2683,17 @@ def extract_Initialization(source):
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'manifest_url': mpd_url,
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'manifest_url': mpd_url,
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'filesize': filesize,
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'filesize': filesize,
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}
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}
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elif mime_type == 'image/jpeg':
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# See test case in VikiIE
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# https://www.viki.com/videos/1175236v-choosing-spouse-by-lottery-episode-1
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f = {
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'format_id': format_id,
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'ext': 'mhtml',
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'manifest_url': mpd_url,
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'format_note': 'DASH storyboards (jpeg)',
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'acodec': 'none',
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'vcodec': 'none',
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}
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representation_ms_info = extract_multisegment_info(representation, adaption_set_ms_info)
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representation_ms_info = extract_multisegment_info(representation, adaption_set_ms_info)
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def prepare_template(template_name, identifiers):
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def prepare_template(template_name, identifiers):
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@ -2694,7 +2712,8 @@ def prepare_template(template_name, identifiers):
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t += c
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t += c
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# Next, $...$ templates are translated to their
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# Next, $...$ templates are translated to their
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# %(...) counterparts to be used with % operator
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# %(...) counterparts to be used with % operator
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t = t.replace('$RepresentationID$', representation_id)
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if representation_id is not None:
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t = t.replace('$RepresentationID$', representation_id)
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t = re.sub(r'\$(%s)\$' % '|'.join(identifiers), r'%(\1)d', t)
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t = re.sub(r'\$(%s)\$' % '|'.join(identifiers), r'%(\1)d', t)
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t = re.sub(r'\$(%s)%%([^$]+)\$' % '|'.join(identifiers), r'%(\1)\2', t)
|
t = re.sub(r'\$(%s)%%([^$]+)\$' % '|'.join(identifiers), r'%(\1)\2', t)
|
||||||
t.replace('$$', '$')
|
t.replace('$$', '$')
|
||||||
@ -2811,7 +2830,7 @@ def add_segment_url():
|
|||||||
'url': mpd_url or base_url,
|
'url': mpd_url or base_url,
|
||||||
'fragment_base_url': base_url,
|
'fragment_base_url': base_url,
|
||||||
'fragments': [],
|
'fragments': [],
|
||||||
'protocol': 'http_dash_segments',
|
'protocol': 'http_dash_segments' if mime_type != 'image/jpeg' else 'mhtml',
|
||||||
})
|
})
|
||||||
if 'initialization_url' in representation_ms_info:
|
if 'initialization_url' in representation_ms_info:
|
||||||
initialization_url = representation_ms_info['initialization_url']
|
initialization_url = representation_ms_info['initialization_url']
|
||||||
@ -2822,7 +2841,7 @@ def add_segment_url():
|
|||||||
else:
|
else:
|
||||||
# Assuming direct URL to unfragmented media.
|
# Assuming direct URL to unfragmented media.
|
||||||
f['url'] = base_url
|
f['url'] = base_url
|
||||||
if content_type in ('video', 'audio'):
|
if content_type in ('video', 'audio') or mime_type == 'image/jpeg':
|
||||||
formats.append(f)
|
formats.append(f)
|
||||||
elif content_type == 'text':
|
elif content_type == 'text':
|
||||||
subtitles.setdefault(lang or 'und', []).append(f)
|
subtitles.setdefault(lang or 'und', []).append(f)
|
||||||
|
|||||||
@ -142,6 +142,7 @@ class VikiIE(VikiBaseIE):
|
|||||||
IE_NAME = 'viki'
|
IE_NAME = 'viki'
|
||||||
_VALID_URL = r'%s(?:videos|player)/(?P<id>[0-9]+v)' % VikiBaseIE._VALID_URL_BASE
|
_VALID_URL = r'%s(?:videos|player)/(?P<id>[0-9]+v)' % VikiBaseIE._VALID_URL_BASE
|
||||||
_TESTS = [{
|
_TESTS = [{
|
||||||
|
'note': 'Free non-DRM video with storyboards in MPD',
|
||||||
'url': 'https://www.viki.com/videos/1175236v-choosing-spouse-by-lottery-episode-1',
|
'url': 'https://www.viki.com/videos/1175236v-choosing-spouse-by-lottery-episode-1',
|
||||||
'info_dict': {
|
'info_dict': {
|
||||||
'id': '1175236v',
|
'id': '1175236v',
|
||||||
@ -155,7 +156,6 @@ class VikiIE(VikiBaseIE):
|
|||||||
'params': {
|
'params': {
|
||||||
'format': 'bestvideo',
|
'format': 'bestvideo',
|
||||||
},
|
},
|
||||||
'expected_warnings': ['Unknown MIME type image/jpeg in DASH manifest'],
|
|
||||||
}, {
|
}, {
|
||||||
'url': 'http://www.viki.com/videos/1023585v-heirs-episode-14',
|
'url': 'http://www.viki.com/videos/1023585v-heirs-episode-14',
|
||||||
'info_dict': {
|
'info_dict': {
|
||||||
@ -173,7 +173,6 @@ class VikiIE(VikiBaseIE):
|
|||||||
'format': 'bestvideo',
|
'format': 'bestvideo',
|
||||||
},
|
},
|
||||||
'skip': 'Blocked in the US',
|
'skip': 'Blocked in the US',
|
||||||
'expected_warnings': ['Unknown MIME type image/jpeg in DASH manifest'],
|
|
||||||
}, {
|
}, {
|
||||||
# clip
|
# clip
|
||||||
'url': 'http://www.viki.com/videos/1067139v-the-avengers-age-of-ultron-press-conference',
|
'url': 'http://www.viki.com/videos/1067139v-the-avengers-age-of-ultron-press-conference',
|
||||||
@ -225,7 +224,6 @@ class VikiIE(VikiBaseIE):
|
|||||||
'params': {
|
'params': {
|
||||||
'format': 'bestvideo',
|
'format': 'bestvideo',
|
||||||
},
|
},
|
||||||
'expected_warnings': ['Unknown MIME type image/jpeg in DASH manifest'],
|
|
||||||
}, {
|
}, {
|
||||||
# youtube external
|
# youtube external
|
||||||
'url': 'http://www.viki.com/videos/50562v-poor-nastya-complete-episode-1',
|
'url': 'http://www.viki.com/videos/50562v-poor-nastya-complete-episode-1',
|
||||||
@ -264,7 +262,6 @@ class VikiIE(VikiBaseIE):
|
|||||||
'params': {
|
'params': {
|
||||||
'format': 'bestvideo',
|
'format': 'bestvideo',
|
||||||
},
|
},
|
||||||
'expected_warnings': ['Unknown MIME type image/jpeg in DASH manifest'],
|
|
||||||
}]
|
}]
|
||||||
|
|
||||||
def _real_extract(self, url):
|
def _real_extract(self, url):
|
||||||
|
|||||||
@ -2244,6 +2244,17 @@ def unescapeHTML(s):
|
|||||||
r'&([^&;]+;)', lambda m: _htmlentity_transform(m.group(1)), s)
|
r'&([^&;]+;)', lambda m: _htmlentity_transform(m.group(1)), s)
|
||||||
|
|
||||||
|
|
||||||
|
def escapeHTML(text):
|
||||||
|
return (
|
||||||
|
text
|
||||||
|
.replace('&', '&')
|
||||||
|
.replace('<', '<')
|
||||||
|
.replace('>', '>')
|
||||||
|
.replace('"', '"')
|
||||||
|
.replace("'", ''')
|
||||||
|
)
|
||||||
|
|
||||||
|
|
||||||
def process_communicate_or_kill(p, *args, **kwargs):
|
def process_communicate_or_kill(p, *args, **kwargs):
|
||||||
try:
|
try:
|
||||||
return p.communicate(*args, **kwargs)
|
return p.communicate(*args, **kwargs)
|
||||||
@ -2323,13 +2334,14 @@ def decodeOption(optval):
|
|||||||
return optval
|
return optval
|
||||||
|
|
||||||
|
|
||||||
def formatSeconds(secs, delim=':'):
|
def formatSeconds(secs, delim=':', msec=False):
|
||||||
if secs > 3600:
|
if secs > 3600:
|
||||||
return '%d%s%02d%s%02d' % (secs // 3600, delim, (secs % 3600) // 60, delim, secs % 60)
|
ret = '%d%s%02d%s%02d' % (secs // 3600, delim, (secs % 3600) // 60, delim, secs % 60)
|
||||||
elif secs > 60:
|
elif secs > 60:
|
||||||
return '%d%s%02d' % (secs // 60, delim, secs % 60)
|
ret = '%d%s%02d' % (secs // 60, delim, secs % 60)
|
||||||
else:
|
else:
|
||||||
return '%d' % secs
|
ret = '%d' % secs
|
||||||
|
return '%s.%03d' % (ret, secs % 1) if msec else ret
|
||||||
|
|
||||||
|
|
||||||
def make_HTTPS_handler(params, **kwargs):
|
def make_HTTPS_handler(params, **kwargs):
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user