[seznamzpravy] Improve and simplify (closes #14616)

youtube_dl/extractor/seznamzpravy.py

@@ -1,6 +1,8 @@
 # coding: utf-8
 from __future__ import unicode_literals
 
+import re
+
 from .common import InfoExtractor
 from ..compat import (
     compat_parse_qs,
@@ -10,8 +12,8 @@ from ..compat import (
 from ..utils import (
     urljoin,
     int_or_none,
+    parse_codecs,
     try_get,
-    update_url_query,
 )
 
 
@@ -20,150 +22,149 @@ def _raw_id(src_url):
 
 
 class SeznamZpravyIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?(?:seznam\.cz/zpravy|seznamzpravy\.cz)/iframe/player\?.*\bsrc='
+    _VALID_URL = r'https?://(?:www\.)?seznamzpravy\.cz/iframe/player\?.*\bsrc='
     _TESTS = [{
-        'url': r'https://www.seznamzpravy.cz/iframe/player?duration=241&serviceSlug=zpravy&src=https%3A%2F%2Fv39-a.sdn.szn.cz%2Fv_39%2Fvmd%2F5999c902ea707c67d8e267a9%3Ffl%3Dmdk%2C432f65a0%7C&itemType=video&autoPlay=false&title=Sv%C4%9Bt%20bez%20obalu%3A%20%C4%8Ce%C5%A1t%C3%AD%20voj%C3%A1ci%20na%20mis%C3%ADch%20(kr%C3%A1tk%C3%A1%20verze)&series=Sv%C4%9Bt%20bez%20obalu&serviceName=Seznam%20Zpr%C3%A1vy&poster=%2F%2Fd39-a.sdn.szn.cz%2Fd_39%2Fc_img_F_I%2FR5puJ.jpeg%3Ffl%3Dcro%2C0%2C0%2C1920%2C1080%7Cres%2C1200%2C%2C1%7Cjpg%2C80%2C%2C1&width=1920&height=1080&cutFrom=0&cutTo=0&splVersion=VOD&contentId=170889&contextId=35990&showAdvert=true&collocation=&autoplayPossible=true&embed=&isVideoTooShortForPreroll=false&isVideoTooLongForPostroll=true&videoCommentOpKey=&videoCommentId=&version=4.0.76&dotService=zpravy&gemiusPrismIdentifier=bVc1ZIb_Qax4W2v5xOPGpMeCP31kFfrTzj0SqPTLh_b.Z7&zoneIdPreroll=seznam.pack.videospot&skipOffsetPreroll=5&sectionPrefixPreroll=%2Fzpravy',
-        'params': {'skip_download': True},  # 'file_minsize': 1586 seems to get killed in test_download.py
+        'url': 'https://www.seznamzpravy.cz/iframe/player?duration=241&serviceSlug=zpravy&src=https%3A%2F%2Fv39-a.sdn.szn.cz%2Fv_39%2Fvmd%2F5999c902ea707c67d8e267a9%3Ffl%3Dmdk%2C432f65a0%7C&itemType=video&autoPlay=false&title=Sv%C4%9Bt%20bez%20obalu%3A%20%C4%8Ce%C5%A1t%C3%AD%20voj%C3%A1ci%20na%20mis%C3%ADch%20(kr%C3%A1tk%C3%A1%20verze)&series=Sv%C4%9Bt%20bez%20obalu&serviceName=Seznam%20Zpr%C3%A1vy&poster=%2F%2Fd39-a.sdn.szn.cz%2Fd_39%2Fc_img_F_I%2FR5puJ.jpeg%3Ffl%3Dcro%2C0%2C0%2C1920%2C1080%7Cres%2C1200%2C%2C1%7Cjpg%2C80%2C%2C1&width=1920&height=1080&cutFrom=0&cutTo=0&splVersion=VOD&contentId=170889&contextId=35990&showAdvert=true&collocation=&autoplayPossible=true&embed=&isVideoTooShortForPreroll=false&isVideoTooLongForPostroll=true&videoCommentOpKey=&videoCommentId=&version=4.0.76&dotService=zpravy&gemiusPrismIdentifier=bVc1ZIb_Qax4W2v5xOPGpMeCP31kFfrTzj0SqPTLh_b.Z7&zoneIdPreroll=seznam.pack.videospot&skipOffsetPreroll=5&sectionPrefixPreroll=%2Fzpravy',
         'info_dict': {
             'id': '170889',
             'ext': 'mp4',
             'title': 'Svět bez obalu: Čeští vojáci na misích (krátká verze)',
-        }
+            'thumbnail': r're:^https?://.*\.jpe?g',
+            'duration': 241,
+            'series': 'Svět bez obalu',
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }, {
+        # with Location key
+        'url': 'https://www.seznamzpravy.cz/iframe/player?duration=null&serviceSlug=zpravy&src=https%3A%2F%2Flive-a.sdn.szn.cz%2Fv_39%2F59e468fe454f8472a96af9fa%3Ffl%3Dmdk%2C5c1e2840%7C&itemType=livevod&autoPlay=false&title=P%C5%99edseda%20KDU-%C4%8CSL%20Pavel%20B%C4%9Blobr%C3%A1dek%20ve%20volebn%C3%AD%20V%C3%BDzv%C4%9B%20Seznamu&series=V%C3%BDzva&serviceName=Seznam%20Zpr%C3%A1vy&poster=%2F%2Fd39-a.sdn.szn.cz%2Fd_39%2Fc_img_G_J%2FjTBCs.jpeg%3Ffl%3Dcro%2C0%2C0%2C1280%2C720%7Cres%2C1200%2C%2C1%7Cjpg%2C80%2C%2C1&width=16&height=9&cutFrom=0&cutTo=0&splVersion=VOD&contentId=185688&contextId=38489&showAdvert=true&collocation=&hideFullScreen=false&hideSubtitles=false&embed=&isVideoTooShortForPreroll=false&isVideoTooShortForPreroll2=false&isVideoTooLongForPostroll=false&fakePostrollZoneID=seznam.clanky.zpravy.preroll&fakePrerollZoneID=seznam.clanky.zpravy.preroll&videoCommentId=&trim=default_16x9&noPrerollVideoLength=30&noPreroll2VideoLength=undefined&noMidrollVideoLength=0&noPostrollVideoLength=999999&autoplayPossible=true&version=5.0.41&dotService=zpravy&gemiusPrismIdentifier=zD3g7byfW5ekpXmxTVLaq5Srjw5i4hsYo0HY1aBwIe..27&zoneIdPreroll=seznam.pack.videospot&skipOffsetPreroll=5&sectionPrefixPreroll=%2Fzpravy%2Fvyzva&zoneIdPostroll=seznam.pack.videospot&skipOffsetPostroll=5&sectionPrefixPostroll=%2Fzpravy%2Fvyzva&regression=false',
+        'info_dict': {
+            'id': '185688',
+            'ext': 'mp4',
+            'title': 'Předseda KDU-ČSL Pavel Bělobrádek ve volební Výzvě Seznamu',
+            'thumbnail': r're:^https?://.*\.jpe?g',
+            'series': 'Výzva',
+        },
+        'params': {
+            'skip_download': True,
+        },
     }]
 
+    @staticmethod
+    def _extract_urls(webpage):
+        return [
+            mobj.group('url') for mobj in re.finditer(
+                r'<iframe\b[^>]+\bsrc=(["\'])(?P<url>(?:https?:)?//(?:www\.)?seznamzpravy\.cz/iframe/player\?.*?)\1',
+                webpage)]
+
     def _extract_sdn_formats(self, sdn_url, video_id):
         sdn_data = self._download_json(sdn_url, video_id)
+
+        if sdn_data.get('Location'):
+            sdn_url = sdn_data['Location']
+            sdn_data = self._download_json(sdn_url, video_id)
+
         formats = []
         mp4_formats = try_get(sdn_data, lambda x: x['data']['mp4'], dict) or {}
-        for fmt, fmtdata in mp4_formats.items():
-            relative_url = fmtdata.get('url')
+        for format_id, format_data in mp4_formats.items():
+            relative_url = format_data.get('url')
             if not relative_url:
                 continue
 
             try:
-                width, height = fmtdata.get('resolution')
+                width, height = format_data.get('resolution')
             except (TypeError, ValueError):
                 width, height = None, None
 
-            formats.append({
-                'format_id': fmt,
+            f = {
+                'url': urljoin(sdn_url, relative_url),
+                'format_id': 'http-%s' % format_id,
+                'tbr': int_or_none(format_data.get('bandwidth'), scale=1000),
                 'width': int_or_none(width),
                 'height': int_or_none(height),
-                'url': urljoin(sdn_url, relative_url),
-                'vcodec': fmtdata.get('codec'),
-                'tbr': int_or_none(fmtdata.get('bandwidth'), scale=1000),
-                'duration': int_or_none(fmtdata.get('duration'), scale=1000),
-            })
+            }
+            f.update(parse_codecs(format_data.get('codec')))
+            formats.append(f)
 
-        playlists = sdn_data.get('pls', {})
-        dash_rel_url = try_get(playlists, lambda x: x['dash']['url'], compat_str)
+        pls = sdn_data.get('pls', {})
+
+        def get_url(format_id):
+            return try_get(pls, lambda x: x[format_id]['url'], compat_str)
+
+        dash_rel_url = get_url('dash')
         if dash_rel_url:
-            formats.extend(self._extract_mpd_formats(urljoin(sdn_url, dash_rel_url), video_id, mpd_id='dash', fatal=False))
+            formats.extend(self._extract_mpd_formats(
+                urljoin(sdn_url, dash_rel_url), video_id, mpd_id='dash',
+                fatal=False))
 
-        hls_rel_url = try_get(playlists, lambda x: x['hls']['url'], compat_str)
+        hls_rel_url = get_url('hls')
         if hls_rel_url:
-            formats.extend(self._extract_m3u8_formats(urljoin(sdn_url, hls_rel_url), video_id, ext='mp4', m3u8_id='hls', fatal=False))
+            formats.extend(self._extract_m3u8_formats(
+                urljoin(sdn_url, hls_rel_url), video_id, ext='mp4',
+                m3u8_id='hls', fatal=False))
 
         self._sort_formats(formats)
         return formats
 
     def _real_extract(self, url):
         params = compat_parse_qs(compat_urllib_parse_urlparse(url).query)
+
         src = params['src'][0]
+        title = params['title'][0]
         video_id = params.get('contentId', [_raw_id(src)])[0]
+        formats = self._extract_sdn_formats(src + 'spl2,2,VOD', video_id)
+
+        duration = int_or_none(params.get('duration', [None])[0])
+        series = params.get('series', [None])[0]
+        thumbnail = params.get('poster', [None])[0]
 
         return {
             'id': video_id,
-            'title': params['title'][0],
-            'formats': self._extract_sdn_formats(src + 'spl2,2,VOD', video_id),
+            'title': title,
+            'thumbnail': thumbnail,
+            'duration': duration,
+            'series': series,
+            'formats': formats,
         }
 
 
 class SeznamZpravyArticleIE(InfoExtractor):
-    _VALID_URL = r'https?://(?:www\.)?(?:seznam\.cz/zpravy|seznamzpravy\.cz)/clanek/(?:[-a-z0-9]+)-(?P<id>[0-9]+)'
+    _VALID_URL = r'https?://(?:www\.)?(?:seznam\.cz/zpravy|seznamzpravy\.cz)/clanek/(?:[^/?#&]+)-(?P<id>\d+)'
     _API_URL = 'https://apizpravy.seznam.cz/'
 
     _TESTS = [{
         # two videos on one page, with SDN URL
         'url': 'https://www.seznamzpravy.cz/clanek/jejich-svet-na-nas-utoci-je-lepsi-branit-se-na-jejich-pisecku-rika-reziser-a-major-v-zaloze-marhoul-35990',
-        'params': {'skip_download': True},
-        # ^ this is here instead of 'file_minsize': 1586, which does not work because
-        #   test_download.py forces expected_minsize to at least 10k when test is running
         'info_dict': {
-            'id': '170889',
-            'ext': 'mp4',
-            'title': 'Svět bez obalu: Čeští vojáci na misích (krátká verze)',
-        }
+            'id': '35990',
+            'title': 'md5:6011c877a36905f28f271fcd8dcdb0f2',
+            'description': 'md5:933f7b06fa337a814ba199d3596d27ba',
+        },
+        'playlist_count': 2,
     }, {
         # video with live stream URL
         'url': 'https://www.seznam.cz/zpravy/clanek/znovu-do-vlady-s-ano-pavel-belobradek-ve-volebnim-specialu-seznamu-38489',
         'info_dict': {
-            'id': '185688',
-            'ext': 'mp4',
-            'title': 'Předseda KDU-ČSL Pavel Bělobrádek ve volební Výzvě Seznamu',
-        }
+            'id': '38489',
+            'title': 'md5:8fa1afdc36fd378cf0eba2b74c5aca60',
+            'description': 'md5:428e7926a1a81986ec7eb23078004fb4',
+        },
+        'playlist_count': 1,
     }]
 
-    def _extract_caption(self, api_data, article_id):
-        title = api_data.get('title') or api_data.get('captionTitle')
-        caption = api_data.get('caption')
-        if not title or not caption:
-            return {}
-
-        if 'sdn' in caption.get('video', {}):
-            src_url = caption['video']['sdn']
-        elif 'liveStreamUrl' in caption:
-            src_url = self._download_json(caption['liveStreamUrl'], article_id)['Location']
-        else:
-            return {}
-
-        return {
-            'id': caption.get('uid'),
-            'title': caption.get('title'),
-            'src': src_url,
-        }
-
-    def _extract_content(self, api_data):
-        entries = []
-        for item in api_data.get('content', []):
-            media = item.get('properties', {}).get('media', {})
-            src_url = media.get('video', {}).get('sdn')
-            title = media.get('title')
-            if not src_url or not title:
-                continue
-
-            entries.append({
-                'id': media.get('uid'),
-                'title': title,
-                'src': src_url,
-            })
-
-        return entries
-
-    def _iframe_result(self, info_dict):
-        video_id = info_dict['id'] or _raw_id(info_dict['src'])
-        url = update_url_query('https://www.seznam.cz/zpravy/iframe/player', {
-            'src': info_dict['src'],
-            'title': info_dict['title'],
-            'contentId': video_id,
-            'serviceName': 'Seznam Zprávy',
-        })
-        return self.url_result(url, ie='SeznamZpravy', video_id=video_id, video_title=info_dict['title'])
-
     def _real_extract(self, url):
         article_id = self._match_id(url)
-        api_data = self._download_json(self._API_URL + 'v1/documents/' + article_id, article_id)
 
-        caption = self._extract_caption(api_data, article_id)
-        content = self._extract_content(api_data)
+        webpage = self._download_webpage(url, article_id)
 
-        if caption and not content:
-            return self._iframe_result(caption)
-        else:
-            if caption:
-                content.insert(0, caption)
-            return self.playlist_result(
-                [self._iframe_result(x) for x in content],
-                playlist_id=article_id,
-                playlist_title=api_data.get('title') or caption.get('title')
-            )
+        info = self._search_json_ld(webpage, article_id, default={})
+        print(info)
+
+        title = info.get('title') or self._og_search_title(webpage, fatal=False)
+        description = info.get('description') or self._og_search_description(webpage)
+
+        return self.playlist_result([
+            self.url_result(url, ie=SeznamZpravyIE.ie_key())
+            for url in SeznamZpravyIE._extract_urls(webpage)],
+            article_id, title, description)