Update app.py

app.py

@@ -327,50 +327,53 @@ def save_file_content(content, filename, file_type):
 def main():
     st.title("📚✨ Super Smart File Handler with Markdown Magic! ✨📚")
     
+    # Show markdown history in sidebar
     show_sidebar_history()
     
+    # Add tabs for different upload methods
     upload_tab, book_tab = st.tabs(["📤 File Upload", "📖 Book View"])
     
     with upload_tab:
         col1, col2 = st.columns(2)
         
         with col1:
-            uploaded_file = st.file_uploader(
+            single_uploaded_file = st.file_uploader(
                 "📤 Upload single file", 
                 type=list(FILE_TYPES.keys()),
-                help="Supports: " + ", ".join([f"{v} (.{k})" for k, v in FILE_TYPES.items()])
+                help="Supports: " + ", ".join([f"{v} (.{k})" for k, v in FILE_TYPES.items()]),
+                key="single_uploader"
             )
         
         with col2:
-            uploaded_files = st.file_uploader(
+            multiple_uploaded_files = st.file_uploader(
                 "📚 Upload multiple files",
                 type=list(FILE_TYPES.keys()),
                 accept_multiple_files=True,
-                help="Upload multiple files to view as a book"
+                help="Upload multiple files to view as a book",
+                key="multiple_uploader"
             )
         
-# Process single file upload
-if uploaded_file:
-    content, file_type = read_file_content(uploaded_file)
-    if content is not None:
-        st.session_state.file_data[uploaded_file.name] = content
-        st.session_state.file_types[uploaded_file.name] = file_type  # This is the correct line
-        st.success(f"🎉 Loaded {FILE_TYPES.get(file_type, '📄')} file: {uploaded_file.name}")
-
+        # Process single file upload
+        if single_uploaded_file:
+            content, file_type = read_file_content(single_uploaded_file)
+            if content is not None:
+                st.session_state.file_data[single_uploaded_file.name] = content
+                st.session_state.file_types[single_uploaded_file.name] = file_type
+                st.success(f"🎉 Loaded {FILE_TYPES.get(file_type, '📄')} file: {single_uploaded_file.name}")
         
-        # 📚 Process multiple file upload - Bulk file loading magic!
-        if uploaded_files:
-            for uploaded_file in uploaded_files:
+        # Process multiple file upload
+        if multiple_uploaded_files:
+            for uploaded_file in multiple_uploaded_files:
                 content, file_type = read_file_content(uploaded_file)
                 if content is not None:
                     st.session_state.file_data[uploaded_file.name] = content
                     st.session_state.file_types[uploaded_file.name] = file_type
-            st.success(f"🎉 Loaded {len(uploaded_files)} files")
+            st.success(f"🎉 Loaded {len(multiple_uploaded_files)} files")
         
-        # 📋 Show the journey - Display file history
+        # Show file history
         show_file_history()
         
-        # 📂 File Explorer - Show and manage individual files
+        # Show individual files
         if st.session_state.file_data:
             st.subheader("📂 Your Files")
             for filename, content in st.session_state.file_data.items():
@@ -393,10 +396,8 @@ if uploaded_file:
                         if save_file_content(content, filename, file_type):
                             st.success(f"✨ Saved {filename} successfully!")
     
-    # 📖 Book Mode - Show all markdown files in book format
     with book_tab:
         show_book_view()
 
-# 🚀 Launch the app!
 if __name__ == "__main__":
     main()