Create utils.py

utils.py

@@ -0,0 +1,12 @@
+import os
+import fitz  # PyMuPDF
+
+def extract_text_from_file(file_obj):
+    name = file_obj.name
+    if name.endswith(".pdf"):
+        doc = fitz.open(stream=file_obj.read(), filetype="pdf")
+        return "\n".join(page.get_text() for page in doc)
+    elif name.endswith(".txt"):
+        return file_obj.read().decode("utf-8")
+    else:
+        return ""