Update app.py

app.py

@@ -41,12 +41,32 @@ def transcribe_audio(audio_path):
     return result["text"]
 
 # 📄 Summary generator with batching
-def generate_summary(text, max_len=130, min_len=30):
+ddef generate_summary(text, default_max_len=130, default_min_len=30):
+    summarizer = pipeline("summarization")
     sentences = sent_tokenize(text)
+
+    # Chunk sentences in groups of 10
     chunks = [' '.join(sentences[i:i + 10]) for i in range(0, len(sentences), 10)]
-    
-    results = summarizer(chunks, max_length=max_len, min_length=min_len, do_sample=False)
-    return " ".join([r["summary_text"] for r in results])
+    summary = ""
+
+    for chunk in chunks:
+        input_len = len(chunk.split())
+
+        # Dynamically scale max and min length
+        dynamic_max = max(20, min(default_max_len, input_len - 1))
+        dynamic_min = max(10, min(default_min_len, dynamic_max - 10))
+
+        # Avoid max_length > input_length error
+        result = summarizer(
+            chunk,
+            max_length=dynamic_max,
+            min_length=dynamic_min,
+            do_sample=False
+        )[0]["summary_text"]
+
+        summary += result + " "
+
+    return summary.strip()
 
 # ❓ Quiz generator
 def generate_quiz(text, num_questions=5):