Update app.py

app.py

@@ -43,14 +43,27 @@ def generate_summary(text, max_len=130):
         summary += summarizer(chunk, max_length=max_len, min_length=30, do_sample=False)[0]["summary_text"] + " "
     return summary.strip()
 
-def generate_subtitles(text):
+def generate_summary(text, max_len=130, min_len=30):
+    summarizer = pipeline("summarization")
     sentences = sent_tokenize(text)
-    subtitles = []
-    for i, sentence in enumerate(sentences):
-        start_time = i * 5
-        end_time = start_time + 5
-        subtitles.append(f"{i+1}\n00:00:{start_time:02},000 --> 00:00:{end_time:02},000\n{sentence}\n")
-    return "\n".join(subtitles)
+    chunks = [' '.join(sentences[i:i + 10]) for i in range(0, len(sentences), 10)]
+    summary = ""
+
+    for chunk in chunks:
+        input_len = len(chunk.split())
+        dynamic_max_len = min(max_len, max(20, input_len // 2))
+        dynamic_min_len = min(min_len, dynamic_max_len - 5)  # Ensure min_len < max_len
+
+        result = summarizer(
+            chunk,
+            max_length=dynamic_max_len,
+            min_length=dynamic_min_len,
+            do_sample=False
+        )[0]["summary_text"]
+
+        summary += result + " "
+
+    return summary.strip()
 
 def generate_quiz(text, num_questions=5):
     sentences = sent_tokenize(text)