[la7] Add podcasts and podcast playlists (#198)

Authored by: nixxo

yt_dlp/extractor/extractors.py

@@ -582,7 +582,11 @@ from .kuwo import (
     KuwoCategoryIE,
     KuwoMvIE,
 )
-from .la7 import LA7IE
+from .la7 import (
+    LA7IE,
+    LA7PodcastEpisodeIE,
+    LA7PodcastIE,
+)
 from .laola1tv import (
     Laola1TvEmbedIE,
     Laola1TvIE,

yt_dlp/extractor/la7.py

@@ -1,9 +1,15 @@
 # coding: utf-8
 from __future__ import unicode_literals
 
+import re
+
 from .common import InfoExtractor
 from ..utils import (
+    determine_ext,
+    float_or_none,
+    parse_duration,
     smuggle_url,
+    unified_strdate,
 )
 
 
@@ -57,3 +63,141 @@ class LA7IE(InfoExtractor):
             'thumbnail': self._og_search_thumbnail(webpage, default=None),
             'ie_key': 'Kaltura',
         }
+
+
+class LA7PodcastEpisodeIE(InfoExtractor):
+    IE_NAME = 'la7.it:pod:episode'
+    _VALID_URL = r'''(?x)(https?://)?
+        (?:www\.)?la7\.it/[^/]+/podcast/([^/]+-)?(?P<id>\d+)'''
+
+    _TESTS = [{
+        'url': 'https://www.la7.it/voicetown/podcast/la-carezza-delle-memoria-di-carlo-verdone-23-03-2021-371497',
+        'md5': '7737d4d79b3c1a34b3de3e16297119ed',
+        'info_dict': {
+            'id': '371497',
+            'ext': 'mp3',
+            'title': '"La carezza delle memoria" di Carlo Verdone',
+            'description': 'md5:5abf07c3c551a687db80af3f9ceb7d52',
+            'thumbnail': 'https://www.la7.it/sites/default/files/podcast/371497.jpg',
+            'upload_date': '20210323',
+        },
+    }, {
+        # embed url
+        'url': 'https://www.la7.it/embed/podcast/371497',
+        'only_matching': True,
+    }, {
+        # date already in the title
+        'url': 'https://www.la7.it/propagandalive/podcast/lintervista-di-diego-bianchi-ad-annalisa-cuzzocrea-puntata-del-1932021-20-03-2021-371130',
+        'only_matching': True,
+    }, {
+        # title same as show_title
+        'url': 'https://www.la7.it/otto-e-mezzo/podcast/otto-e-mezzo-26-03-2021-372340',
+        'only_matching': True,
+    }]
+
+    def _extract_info(self, webpage, video_id=None, ppn=None):
+        if not video_id:
+            video_id = self._search_regex(
+                r'data-nid=([\'"])(?P<vid>\d+)\1',
+                webpage, 'video_id', group='vid')
+
+        media_url = self._search_regex(
+            (r'src:\s*([\'"])(?P<url>.+?mp3.+?)\1',
+             r'data-podcast=([\'"])(?P<url>.+?mp3.+?)\1'),
+            webpage, 'media_url', group='url')
+        ext = determine_ext(media_url)
+        formats = [{
+            'url': media_url,
+            'format_id': ext,
+            'ext': ext,
+        }]
+        self._sort_formats(formats)
+
+        title = self._html_search_regex(
+            (r'<div class="title">(?P<title>.+?)</',
+             r'<title>(?P<title>[^<]+)</title>',
+             r'title:\s*([\'"])(?P<title>.+?)\1'),
+            webpage, 'title', group='title')
+
+        description = (
+            self._html_search_regex(
+                (r'<div class="description">(.+?)</div>',
+                 r'<div class="description-mobile">(.+?)</div>',
+                 r'<div class="box-txt">([^<]+?)</div>',
+                 r'<div class="field-content"><p>(.+?)</p></div>'),
+                webpage, 'description', default=None)
+            or self._html_search_meta('description', webpage))
+
+        thumb = self._html_search_regex(
+            (r'<div class="podcast-image"><img src="(.+?)"></div>',
+             r'<div class="container-embed"[^<]+url\((.+?)\);">',
+             r'<div class="field-content"><img src="(.+?)"'),
+            webpage, 'thumbnail', fatal=False, default=None)
+
+        duration = parse_duration(self._html_search_regex(
+            r'<span class="(?:durata|duration)">([\d:]+)</span>',
+            webpage, 'duration', fatal=False, default=None))
+
+        date = self._html_search_regex(
+            r'class="data">\s*(?:<span>)?([\d\.]+)\s*</',
+            webpage, 'date', default=None)
+
+        date_alt = self._search_regex(
+            r'(\d+[\./]\d+[\./]\d+)', title, 'date_alt', default=None)
+        ppn = ppn or self._search_regex(
+            r'ppN:\s*([\'"])(?P<ppn>.+?)\1',
+            webpage, 'ppn', group='ppn', default=None)
+        # if the date is not in the title
+        # and title is the same as the show_title
+        # add the date to the title
+        if date and not date_alt and ppn and ppn.lower() == title.lower():
+            title += ' del %s' % date
+        return {
+            'id': video_id,
+            'title': title,
+            'description': description,
+            'duration': float_or_none(duration),
+            'formats': formats,
+            'thumbnail': thumb,
+            'upload_date': unified_strdate(date),
+        }
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+
+        return self._extract_info(webpage, video_id)
+
+
+class LA7PodcastIE(LA7PodcastEpisodeIE):
+    IE_NAME = 'la7.it:podcast'
+    _VALID_URL = r'(https?://)?(www\.)?la7\.it/(?P<id>[^/]+)/podcast/?(?:$|[#?])'
+
+    _TESTS = [{
+        'url': 'https://www.la7.it/propagandalive/podcast',
+        'info_dict': {
+            'id': 'propagandalive',
+            'title': "Propaganda Live",
+        },
+        'playlist_count': 10,
+    }]
+
+    def _real_extract(self, url):
+        playlist_id = self._match_id(url)
+        webpage = self._download_webpage(url, playlist_id)
+
+        title = (
+            self._html_search_regex(
+                r'<h1.*?>(.+?)</h1>', webpage, 'title', fatal=False, default=None)
+            or self._og_search_title(webpage))
+        ppn = self._search_regex(
+            r'window\.ppN\s*=\s*([\'"])(?P<ppn>.+?)\1',
+            webpage, 'ppn', group='ppn', default=None)
+
+        entries = []
+        for episode in re.finditer(
+                r'<div class="container-podcast-property">([\s\S]+?)(?:</div>\s*){3}',
+                webpage):
+            entries.append(self._extract_info(episode.group(1), ppn=ppn))
+
+        return self.playlist_result(entries, playlist_id, title)