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[elonet] Use common code for subtitle extraction
This commit is contained in:
Felix S
parent
0c541b563f
commit
a00d781b73
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@ -1,9 +1,7 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import os
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import re
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import tempfile
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from .common import InfoExtractor
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from ..utils import (
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@ -12,12 +10,12 @@
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try_get,
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)
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from ..compat import compat_str
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from ..downloader.hls import HlsFD
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class ElonetIE(InfoExtractor):
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_VALID_URL = r'https?://elonet\.finna\.fi/Record/kavi\.elonet_elokuva_(?P<id>[0-9]+)'
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_TEST = {
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_TESTS = [{
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# m3u8 with subtitles
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'url': 'https://elonet.finna.fi/Record/kavi.elonet_elokuva_107867',
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'md5': '8efc954b96c543711707f87de757caea',
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'info_dict': {
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@ -27,62 +25,17 @@ class ElonetIE(InfoExtractor):
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'description': 'Valkoinen peura (1952) on Erik Blombergin ohjaama ja yhdessä Mirjami Kuosmasen kanssa käsikirjoittama tarunomainen kertomus valkoisen peuran hahmossa lii...',
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'thumbnail': 'https://elonet.finna.fi/Cover/Show?id=kavi.elonet_elokuva_107867&index=0&size=large',
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},
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}
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def _download_m3u8_chunked_subtitle(self, chunklist_url):
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"""
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Download VTT subtitles from pieces in manifest URL.
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Return a string containing joined chunks with extra headers removed.
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"""
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with tempfile.NamedTemporaryFile(delete=True) as outfile:
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fname = outfile.name
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hlsdl = HlsFD(self._downloader, {})
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hlsdl.download(compat_str(fname), {"url": chunklist_url})
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with open(fname, 'r') as fin:
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# Remove (some) headers
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fdata = re.sub(r'X-TIMESTAMP-MAP.*\n+|WEBVTT\n+', '', fin.read())
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os.remove(fname)
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return "WEBVTT\n\n" + fdata
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def _parse_m3u8_subtitles(self, m3u8_doc, m3u8_url):
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"""
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Parse subtitles from HLS / m3u8 manifest.
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"""
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subtitles = {}
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baseurl = m3u8_url[:m3u8_url.rindex('/') + 1]
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for line in m3u8_doc.split('\n'):
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if 'EXT-X-MEDIA:TYPE=SUBTITLES' in line:
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lang = self._search_regex(
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r'LANGUAGE="(.+?)"', line, 'lang', default=False)
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uri = self._search_regex(
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r'URI="(.+?)"', line, 'uri', default=False)
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if lang and uri:
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data = self._download_m3u8_chunked_subtitle(baseurl + uri)
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subtitles[lang] = [{'ext': 'vtt', 'data': data}]
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return subtitles
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def _parse_mpd_subtitles(self, mpd_doc):
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"""
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Parse subtitles from MPD manifest.
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"""
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ns = '{urn:mpeg:dash:schema:mpd:2011}'
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subtitles = {}
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for aset in mpd_doc.findall(".//%sAdaptationSet[@mimeType='text/vtt']" % (ns)):
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lang = aset.attrib.get('lang', 'unk')
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url = aset.find("./%sRepresentation/%sBaseURL" % (ns, ns)).text
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subtitles[lang] = [{'ext': 'vtt', 'url': url}]
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return subtitles
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def _get_subtitles(self, fmt, doc, url):
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if fmt == 'm3u8':
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subs = self._parse_m3u8_subtitles(doc, url)
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elif fmt == 'mpd':
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subs = self._parse_mpd_subtitles(doc)
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else:
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self.report_warning(
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"Cannot download subtitles from '%s' streams." % (fmt))
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subs = {}
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return subs
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}, {
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# DASH with subtitles
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'url': 'https://elonet.finna.fi/Record/kavi.elonet_elokuva_116539',
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'info_dict': {
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'id': '116539',
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'ext': 'mp4',
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'title': 'Minulla on tiikeri',
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'description': 'Pienellä pojalla, joka asuu kerrostalossa, on kotieläimenä tiikeri. Se on kuitenkin salaisuus. Kerrostalon räpätäti on Kotilaisen täti, joka on aina vali...',
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'thumbnail': 'https://elonet.finna.fi/Cover/Show?id=kavi.elonet_elokuva_116539&index=0&size=large&source=Solr',
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}
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}]
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def _real_extract(self, url):
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video_id = self._match_id(url)
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@ -101,8 +54,8 @@ def _real_extract(self, url):
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self._parse_json(json_s, video_id),
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lambda x: x[0]["src"], compat_str)
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formats = []
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subtitles = {}
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if re.search(r'\.m3u8\??', src):
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fmt = 'm3u8'
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res = self._download_webpage_handle(
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# elonet servers have certificate problems
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src.replace('https:', 'http:'), video_id,
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@ -111,11 +64,10 @@ def _real_extract(self, url):
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if res:
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doc, urlh = res
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url = urlh.geturl()
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formats = self._parse_m3u8_formats(doc, url)
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formats, subtitles = self._parse_m3u8_formats_and_subtitles(doc, url)
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for f in formats:
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f['ext'] = 'mp4'
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elif re.search(r'\.mpd\??', src):
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fmt = 'mpd'
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res = self._download_xml_handle(
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src, video_id,
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note='Downloading MPD manifest',
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@ -123,7 +75,7 @@ def _real_extract(self, url):
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if res:
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doc, urlh = res
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url = base_url(urlh.geturl())
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formats = self._parse_mpd_formats(doc, mpd_base_url=url)
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formats, subtitles = self._parse_mpd_formats_and_subtitles(doc, mpd_base_url=url)
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else:
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raise ExtractorError("Unknown streaming format")
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@ -133,5 +85,5 @@ def _real_extract(self, url):
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'description': description,
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'thumbnail': thumbnail,
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'formats': formats,
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'subtitles': self.extract_subtitles(fmt, doc, url),
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'subtitles': subtitles,
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}
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