[nhk] Add support for NHK for School (#2850)

Authored by: Lesmiscore
This commit is contained in:
Lesmiscore (Naoya Ozaki) 2022-02-23 01:15:08 +09:00 committed by GitHub
parent 971c4847d7
commit 77cc7c6e60
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3 changed files with 155 additions and 1 deletions

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@ -1307,6 +1307,10 @@ class InfoExtractor(object):
def _og_search_url(self, html, **kargs):
return self._og_search_property('url', html, **kargs)
def _html_extract_title(self, html, name, **kwargs):
return self._html_search_regex(
r'(?s)<title>(.*?)</title>', html, name, **kwargs)
def _html_search_meta(self, name, html, display_name=None, fatal=False, **kwargs):
name = variadic(name)
if display_name is None:

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@ -994,6 +994,9 @@ from .nfl import (
from .nhk import (
NhkVodIE,
NhkVodProgramIE,
NhkForSchoolBangumiIE,
NhkForSchoolSubjectIE,
NhkForSchoolProgramListIE,
)
from .nhl import NHLIE
from .nick import (

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@ -1,8 +1,15 @@
from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..utils import urljoin
from ..utils import (
parse_duration,
traverse_obj,
unescapeHTML,
unified_timestamp,
urljoin
)
class NhkBaseIE(InfoExtractor):
@ -176,3 +183,143 @@ class NhkVodProgramIE(NhkBaseIE):
program_title = entries[0].get('series')
return self.playlist_result(entries, program_id, program_title)
class NhkForSchoolBangumiIE(InfoExtractor):
_VALID_URL = r'https?://www2\.nhk\.or\.jp/school/movie/(?P<type>bangumi|clip)\.cgi\?das_id=(?P<id>[a-zA-Z0-9_-]+)'
_TESTS = [{
'url': 'https://www2.nhk.or.jp/school/movie/bangumi.cgi?das_id=D0005150191_00000',
'info_dict': {
'id': 'D0005150191_00003',
'title': 'にている かな',
'duration': 599.999,
'timestamp': 1396414800,
'upload_date': '20140402',
'ext': 'mp4',
'chapters': 'count:12'
},
'params': {
# m3u8 download
'skip_download': True,
},
}]
def _real_extract(self, url):
program_type, video_id = self._match_valid_url(url).groups()
webpage = self._download_webpage(
f'https://www2.nhk.or.jp/school/movie/{program_type}.cgi?das_id={video_id}', video_id)
# searches all variables
base_values = {g.group(1): g.group(2) for g in re.finditer(r'var\s+([a-zA-Z_]+)\s*=\s*"([^"]+?)";', webpage)}
# and programObj values too
program_values = {g.group(1): g.group(3) for g in re.finditer(r'(?:program|clip)Obj\.([a-zA-Z_]+)\s*=\s*(["\'])([^"]+?)\2;', webpage)}
# extract all chapters
chapter_durations = [parse_duration(g.group(1)) for g in re.finditer(r'chapterTime\.push\(\'([0-9:]+?)\'\);', webpage)]
chapter_titles = [' '.join([g.group(1) or '', unescapeHTML(g.group(2))]).strip() for g in re.finditer(r'<div class="cpTitle"><span>(scene\s*\d+)?</span>([^<]+?)</div>', webpage)]
# this is how player_core.js is actually doing (!)
version = base_values.get('r_version') or program_values.get('version')
if version:
video_id = f'{video_id.split("_")[0]}_{version}'
formats = self._extract_m3u8_formats(
f'https://nhks-vh.akamaihd.net/i/das/{video_id[0:8]}/{video_id}_V_000.f4v/master.m3u8',
video_id, ext='mp4', m3u8_id='hls')
self._sort_formats(formats)
duration = parse_duration(base_values.get('r_duration'))
chapters = None
if chapter_durations and chapter_titles and len(chapter_durations) == len(chapter_titles):
start_time = chapter_durations
end_time = chapter_durations[1:] + [duration]
chapters = [{
'start_time': s,
'end_time': e,
'title': t,
} for s, e, t in zip(start_time, end_time, chapter_titles)]
return {
'id': video_id,
'title': program_values.get('name'),
'duration': parse_duration(base_values.get('r_duration')),
'timestamp': unified_timestamp(base_values['r_upload']),
'formats': formats,
'chapters': chapters,
}
class NhkForSchoolSubjectIE(InfoExtractor):
IE_DESC = 'Portal page for each school subjects, like Japanese (kokugo, 国語) or math (sansuu/suugaku or 算数・数学)'
KNOWN_SUBJECTS = (
'rika', 'syakai', 'kokugo',
'sansuu', 'seikatsu', 'doutoku',
'ongaku', 'taiiku', 'zukou',
'gijutsu', 'katei', 'sougou',
'eigo', 'tokkatsu',
'tokushi', 'sonota',
)
_VALID_URL = r'https?://www\.nhk\.or\.jp/school/(?P<id>%s)/?(?:[\?#].*)?$' % '|'.join(re.escape(s) for s in KNOWN_SUBJECTS)
_TESTS = [{
'url': 'https://www.nhk.or.jp/school/sougou/',
'info_dict': {
'id': 'sougou',
'title': '総合的な学習の時間',
},
'playlist_mincount': 16,
}, {
'url': 'https://www.nhk.or.jp/school/rika/',
'info_dict': {
'id': 'rika',
'title': '理科',
},
'playlist_mincount': 15,
}]
def _real_extract(self, url):
subject_id = self._match_id(url)
webpage = self._download_webpage(url, subject_id)
return self.playlist_from_matches(
re.finditer(rf'href="((?:https?://www\.nhk\.or\.jp)?/school/{re.escape(subject_id)}/[^/]+/)"', webpage),
subject_id,
self._html_search_regex(r'(?s)<span\s+class="subjectName">\s*<img\s*[^<]+>\s*([^<]+?)</span>', webpage, 'title', fatal=False),
lambda g: urljoin(url, g.group(1)))
class NhkForSchoolProgramListIE(InfoExtractor):
_VALID_URL = r'https?://www\.nhk\.or\.jp/school/(?P<id>(?:%s)/[a-zA-Z0-9_-]+)' % (
'|'.join(re.escape(s) for s in NhkForSchoolSubjectIE.KNOWN_SUBJECTS)
)
_TESTS = [{
'url': 'https://www.nhk.or.jp/school/sougou/q/',
'info_dict': {
'id': 'sougou/q',
'title': 'Q~こどものための哲学',
},
'playlist_mincount': 20,
}]
def _real_extract(self, url):
program_id = self._match_id(url)
webpage = self._download_webpage(f'https://www.nhk.or.jp/school/{program_id}/', program_id)
title = self._og_search_title(webpage, fatal=False) or self._html_extract_title(webpage, fatal=False) or self._html_search_regex(r'<h3>([^<]+?)とは?\s*</h3>', webpage, 'title', fatal=False)
title = re.sub(r'\s*\|\s*NHK\s+for\s+School\s*$', '', title) if title else None
description = self._html_search_regex(
r'(?s)<div\s+class="programDetail\s*">\s*<p>[^<]+</p>',
webpage, 'description', fatal=False, group=0)
bangumi_list = self._download_json(
f'https://www.nhk.or.jp/school/{program_id}/meta/program.json', program_id)
# they're always bangumi
bangumis = [
self.url_result(f'https://www2.nhk.or.jp/school/movie/bangumi.cgi?das_id={x}')
for x in traverse_obj(bangumi_list, ('part', ..., 'part-video-dasid')) or []]
return self.playlist_result(bangumis, program_id, title, description)