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# coding: utf-8
from __future__ import unicode_literals
import os
import re
import tempfile
from .common import InfoExtractor
from ..utils import (
base_url,
ExtractorError,
try_get,
)
from ..compat import compat_str
from ..downloader.hls import HlsFD
class ElonetIE(InfoExtractor):
_VALID_URL = r'https?://elonet\.finna\.fi/Record/kavi\.elonet_elokuva_(?P<id>[0-9]+)'
_TEST = {
'url': 'https://elonet.finna.fi/Record/kavi.elonet_elokuva_107867',
'md5': '8efc954b96c543711707f87de757caea',
'info_dict': {
'id': '107867',
'ext': 'mp4',
'title': 'Valkoinen peura',
'description': 'Valkoinen peura (1952) on Erik Blombergin ohjaama ja yhdessä Mirjami Kuosmasen kanssa käsikirjoittama tarunomainen kertomus valkoisen peuran hahmossa lii...',
'thumbnail': 'https://elonet.finna.fi/Cover/Show?id=kavi.elonet_elokuva_107867&index=0&size=large',
},
}
def _download_m3u8_chunked_subtitle(self, chunklist_url):
"""
Download VTT subtitles from pieces in manifest URL.
Return a string containing joined chunks with extra headers removed.
"""
with tempfile.NamedTemporaryFile(delete=True) as outfile:
fname = outfile.name
hlsdl = HlsFD(self._downloader, {})
hlsdl.download(compat_str(fname), {"url": chunklist_url})
with open(fname, 'r') as fin:
# Remove (some) headers
fdata = re.sub(r'X-TIMESTAMP-MAP.*\n+|WEBVTT\n+', '', fin.read())
os.remove(fname)
return "WEBVTT\n\n" + fdata
def _parse_m3u8_subtitles(self, m3u8_doc, m3u8_url):
"""
Parse subtitles from HLS / m3u8 manifest.
"""
subtitles = {}
baseurl = m3u8_url[:m3u8_url.rindex('/') + 1]
for line in m3u8_doc.split('\n'):
if 'EXT-X-MEDIA:TYPE=SUBTITLES' in line:
lang = self._search_regex(
r'LANGUAGE="(.+?)"', line, 'lang', default=False)
uri = self._search_regex(
r'URI="(.+?)"', line, 'uri', default=False)
if lang and uri:
data = self._download_m3u8_chunked_subtitle(baseurl + uri)
subtitles[lang] = [{'ext': 'vtt', 'data': data}]
return subtitles
def _parse_mpd_subtitles(self, mpd_doc):
"""
Parse subtitles from MPD manifest.
"""
ns = '{urn:mpeg:dash:schema:mpd:2011}'
subtitles = {}
for aset in mpd_doc.findall(".//%sAdaptationSet[@mimeType='text/vtt']" % (ns)):
lang = aset.attrib.get('lang', 'unk')
url = aset.find("./%sRepresentation/%sBaseURL" % (ns, ns)).text
subtitles[lang] = [{'ext': 'vtt', 'url': url}]
return subtitles
def _get_subtitles(self, fmt, doc, url):
if fmt == 'm3u8':
subs = self._parse_m3u8_subtitles(doc, url)
elif fmt == 'mpd':
subs = self._parse_mpd_subtitles(doc)
else:
self._downloader.report_warning(
"Cannot download subtitles from '%s' streams." % (fmt))
subs = {}
return subs
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
title = self._html_search_regex(
r'<meta .*property="og:title" .*content="(.+?)"', webpage, 'title')
description = self._html_search_regex(
r'<meta .*property="og:description" .*content="(.+?)"', webpage, 'description')
thumbnail = self._html_search_regex(
r'<meta .*property="og:image" .*content="(.+?)"', webpage, 'thumbnail')
json_s = self._html_search_regex(
r'data-video-sources="(.+?)"', webpage, 'json')
src = try_get(
self._parse_json(json_s, video_id),
lambda x: x[0]["src"], compat_str)
formats = []
if re.search(r'\.m3u8\??', src):
fmt = 'm3u8'
res = self._download_webpage_handle(
# elonet servers have certificate problems
src.replace('https:', 'http:'), video_id,
note='Downloading m3u8 information',
errnote='Failed to download m3u8 information')
if res:
doc, urlh = res
url = urlh.geturl()
formats = self._parse_m3u8_formats(doc, url)
for f in formats:
f['ext'] = 'mp4'
elif re.search(r'\.mpd\??', src):
fmt = 'mpd'
res = self._download_xml_handle(
src, video_id,
note='Downloading MPD manifest',
errnote='Failed to download MPD manifest')
if res:
doc, urlh = res
url = base_url(urlh.geturl())
formats = self._parse_mpd_formats(doc, mpd_base_url=url)
else:
raise ExtractorError("Unknown streaming format")
return {
'id': video_id,
'title': title,
'description': description,
'thumbnail': thumbnail,
'formats': formats,
'subtitles': self.extract_subtitles(fmt, doc, url),
}
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