1 files changed, 29 insertions, 0 deletions
diff --git a/components/extractor/check_url.py b/components/extractor/check_url.py
new file mode 100644
index 0000000..b574b22
--- /dev/null
+++ b/components/extractor/check_url.py
@@ -0,0 +1,29 @@
+from re import search
+from urllib.parse import urlparse, parse_qs, ParseResult
+
+def is_youtube(url: str) -> bool:
+    """
+    Affirm the YouTube domain and that there is something after the domain.
+    """
+    return bool(search(r'^(?:http|//).*(?:youtube\.com|youtu\.be)/.+', url))
+
+def is_video(url: str) -> bool:
+    if not is_youtube(url):
+        return False
+    parsed_url = urlparse(url)
+    if parsed_url.path in ('/watch', '/shorts/', '/embed/'):
+        return True
+    return parsed_url.netloc == 'youtu.be'
+
+def is_playlist(url: str) -> bool:
+    if not is_youtube(url):
+        return False
+    parsed_url = urlparse(url)
+    query_params = parse_qs(parsed_url.query)
+    return 'list' in query_params
+
+def is_channel(url: str) -> bool:
+    if not is_youtube(url):
+        return False
+    parsed_url = urlparse(url)
+    return parsed_url.path.startswith(('/c/', '/user/', '/channel/', '/@'))