[dplay] Add `ScienceChannelIE` (#567)

Authored by: Sipherdrakon

3 files changed, 49 insertions, 26 deletions

diff --git a/yt_dlp/extractor/discoveryplusindia.py b/yt_dlp/extractor/discoveryplusindia.py
index ee57bb2d0..4f2f4f731 100644
--- a/yt_dlp/extractor/discoveryplusindia.py
+++ b/yt_dlp/extractor/discoveryplusindia.py
@@ -63,8 +63,7 @@ class DiscoveryPlusIndiaShowIE(InfoExtractor):
         'info_dict': {
             'id': 'how-do-they-do-it',
         },
-    }
-    ]
+    }]
 
     def _entries(self, show_name):
         headers = {
diff --git a/yt_dlp/extractor/dplay.py b/yt_dlp/extractor/dplay.py
index bbb199094..38b08d280 100644
--- a/yt_dlp/extractor/dplay.py
+++ b/yt_dlp/extractor/dplay.py
@@ -296,6 +296,35 @@ class DPlayIE(InfoExtractor):
             url, display_id, host, 'dplay' + country, country)
 
 
+class HGTVDeIE(DPlayIE):
+    _VALID_URL = r'https?://de\.hgtv\.com/sendungen' + DPlayIE._PATH_REGEX
+    _TESTS = [{
+        'url': 'https://de.hgtv.com/sendungen/tiny-house-klein-aber-oho/wer-braucht-schon-eine-toilette/',
+        'info_dict': {
+            'id': '151205',
+            'display_id': 'tiny-house-klein-aber-oho/wer-braucht-schon-eine-toilette',
+            'ext': 'mp4',
+            'title': 'Wer braucht schon eine Toilette',
+            'description': 'md5:05b40a27e7aed2c9172de34d459134e2',
+            'duration': 1177.024,
+            'timestamp': 1595705400,
+            'upload_date': '20200725',
+            'creator': 'HGTV',
+            'series': 'Tiny House - klein, aber oho',
+            'season_number': 3,
+            'episode_number': 3,
+        },
+        'params': {
+            'format': 'bestvideo',
+        },
+    }]
+
+    def _real_extract(self, url):
+        display_id = self._match_id(url)
+        return self._get_disco_api_info(
+            url, display_id, 'eu1-prod.disco-api.com', 'hgtv', 'de')
+
+
 class DiscoveryPlusIE(DPlayIE):
     _VALID_URL = r'https?://(?:www\.)?discoveryplus\.com/video' + DPlayIE._PATH_REGEX
     _TESTS = [{
@@ -317,8 +346,11 @@ class DiscoveryPlusIE(DPlayIE):
         'skip': 'Available for Premium users',
     }]
 
+    _PRODUCT = 'dplus_us'
+    _API_URL = 'us1-prod-direct.discoveryplus.com'
+
     def _update_disco_api_headers(self, headers, disco_base, display_id, realm):
-        headers['x-disco-client'] = 'WEB:UNKNOWN:dplus_us:15.0.0'
+        headers['x-disco-client'] = f'WEB:UNKNOWN:{self._PRODUCT}:15.0.0'
 
     def _download_video_playback_info(self, disco_base, video_id, headers):
         return self._download_json(
@@ -330,40 +362,31 @@ class DiscoveryPlusIE(DPlayIE):
                 'videoId': video_id,
                 'wisteriaProperties': {
                     'platform': 'desktop',
-                    'product': 'dplus_us',
+                    'product': self._PRODUCT,
                 },
             }).encode('utf-8'))['data']['attributes']['streaming']
 
     def _real_extract(self, url):
         display_id = self._match_id(url)
         return self._get_disco_api_info(
-            url, display_id, 'us1-prod-direct.discoveryplus.com', 'go', 'us')
+            url, display_id, self._API_URL, 'go', 'us')
 
 
-class HGTVDeIE(DPlayIE):
-    _VALID_URL = r'https?://de\.hgtv\.com/sendungen' + DPlayIE._PATH_REGEX
+class ScienceChannelIE(DiscoveryPlusIE):
+    _VALID_URL = r'https?://(?:www\.)?sciencechannel\.com/video' + DPlayIE._PATH_REGEX
     _TESTS = [{
-        'url': 'https://de.hgtv.com/sendungen/tiny-house-klein-aber-oho/wer-braucht-schon-eine-toilette/',
+        'url': 'https://www.sciencechannel.com/video/strangest-things-science-atve-us/nazi-mystery-machine',
         'info_dict': {
-            'id': '151205',
-            'display_id': 'tiny-house-klein-aber-oho/wer-braucht-schon-eine-toilette',
+            'id': '2842849',
+            'display_id': 'strangest-things-science-atve-us/nazi-mystery-machine',
             'ext': 'mp4',
-            'title': 'Wer braucht schon eine Toilette',
-            'description': 'md5:05b40a27e7aed2c9172de34d459134e2',
-            'duration': 1177.024,
-            'timestamp': 1595705400,
-            'upload_date': '20200725',
-            'creator': 'HGTV',
-            'series': 'Tiny House - klein, aber oho',
-            'season_number': 3,
-            'episode_number': 3,
-        },
-        'params': {
-            'format': 'bestvideo',
+            'title': 'Nazi Mystery Machine',
+            'description': 'Experts investigate the secrets of a revolutionary encryption machine.',
+            'season_number': 1,
+            'episode_number': 1,
         },
+        'skip': 'Available for Premium users',
     }]
 
-    def _real_extract(self, url):
-        display_id = self._match_id(url)
-        return self._get_disco_api_info(
-            url, display_id, 'eu1-prod.disco-api.com', 'hgtv', 'de')
+    _PRODUCT = 'sci'
+    _API_URL = 'us1-prod-direct.sciencechannel.com'
diff --git a/yt_dlp/extractor/extractors.py b/yt_dlp/extractor/extractors.py
index 991c36014..c0c613e14 100644
--- a/yt_dlp/extractor/extractors.py
+++ b/yt_dlp/extractor/extractors.py
@@ -330,6 +330,7 @@ from .dplay import (
     DPlayIE,
     DiscoveryPlusIE,
     HGTVDeIE,
+    ScienceChannelIE
 )
 from .dreisat import DreiSatIE
 from .drbonanza import DRBonanzaIE