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[teachable] Extract chapter metadata (closes #24421)

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Sergey M․ 2020-03-24 02:43:24 +07:00
parent 63dce3094b
commit 4560adc820
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25
youtube_dl/extractor/teachable.py
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@ -7,7 +7,9 @@ from .wistia import WistiaIE
from ..utils import (
clean_html,
ExtractorError,
int_or_none,
get_element_by_class,
strip_or_none,
urlencode_postdata,
urljoin,
)
@ -173,11 +175,34 @@ class TeachableIE(TeachableBaseIE):
title = self._og_search_title(webpage, default=None)
chapter = None
chapter_number = None
section_item = self._search_regex(
r'(?s)(?P<li><li[^>]+\bdata-lecture-id=["\']%s[^>]+>.+?</li>)' % video_id,
webpage, 'section item', default=None, group='li')
if section_item:
chapter_number = int_or_none(self._search_regex(
r'data-ss-position=["\'](\d+)', section_item, 'section id',
default=None))
if chapter_number is not None:
sections = []
for s in re.findall(
r'(?s)<div[^>]+\bclass=["\']section-title[^>]+>(.+?)</div>', webpage):
section = strip_or_none(clean_html(s))
if not section:
sections = []
break
sections.append(section)
if chapter_number <= len(sections):
chapter = sections[chapter_number - 1]
entries = [{
'_type': 'url_transparent',
'url': wistia_url,
'ie_key': WistiaIE.ie_key(),
'title': title,
'chapter': chapter,
'chapter_number': chapter_number,
} for wistia_url in wistia_urls]
return self.playlist_result(entries, video_id, title)