Add function to extract slug from Hugging Face

app.py

@@ -1,11 +1,21 @@
 from huggingface_hub import HfApi
 import gradio as gr
+import re
+
+
+def extract_slug(url):
+    pattern = r"https://huggingface\.co/collections/(.*)"
+    return match.group(1) if (match := re.search(pattern, url)) else None
 
 
 def clone_collection(
     source_slug, dest_namespace, dest_title, token, private=False, exist_ok=False
 ):
     api = HfApi(token=token)
+    source_slug = source_slug.strip()
+    # check if formatted as url
+    if source_slug.startswith("https://huggingface.co/collections/"):
+        source_slug = extract_slug(source_slug)
     collection = api.get_collection(source_slug)
     if not collection:
         raise gr.Error(