[extractor/nebula] Add nebula.tv (#4918)

Closes #4917
Authored by: tannertechnology

yt_dlp/extractor/nebula.py

@@ -7,6 +7,8 @@ import urllib.parse
 from .common import InfoExtractor
 from ..utils import ExtractorError, parse_iso8601, try_get
 
+_BASE_URL_RE = r'https?://(?:www\.)?(?:watchnebula\.com|nebula\.app|nebula\.tv)'
+
 
 class NebulaBaseIE(InfoExtractor):
     _NETRC_MACHINE = 'watchnebula'
@@ -148,7 +150,7 @@ class NebulaBaseIE(InfoExtractor):
 
 
 class NebulaIE(NebulaBaseIE):
-    _VALID_URL = r'https?://(?:www\.)?(?:watchnebula\.com|nebula\.app)/videos/(?P<id>[-\w]+)'
+    _VALID_URL = rf'{_BASE_URL_RE}/videos/(?P<id>[-\w]+)'
     _TESTS = [
         {
             'url': 'https://nebula.app/videos/that-time-disney-remade-beauty-and-the-beast',
@@ -246,7 +248,7 @@ class NebulaIE(NebulaBaseIE):
 
 class NebulaSubscriptionsIE(NebulaBaseIE):
     IE_NAME = 'nebula:subscriptions'
-    _VALID_URL = r'https?://(?:www\.)?(?:watchnebula\.com|nebula\.app)/myshows'
+    _VALID_URL = rf'{_BASE_URL_RE}/myshows'
     _TESTS = [
         {
             'url': 'https://nebula.app/myshows',
@@ -274,7 +276,7 @@ class NebulaSubscriptionsIE(NebulaBaseIE):
 
 class NebulaChannelIE(NebulaBaseIE):
     IE_NAME = 'nebula:channel'
-    _VALID_URL = r'https?://(?:www\.)?(?:watchnebula\.com|nebula\.app)/(?!myshows|videos/)(?P<id>[-\w]+)'
+    _VALID_URL = rf'{_BASE_URL_RE}/(?!myshows|videos/)(?P<id>[-\w]+)'
     _TESTS = [
         {
             'url': 'https://nebula.app/tom-scott-presents-money',