config manager uses memory-based filehandling

web_app/config_manager.py

@@ -5,14 +5,12 @@ Handles loading, validation, and management of frequency list configurations.
 
 import streamlit as st
 import pandas as pd
-import tempfile
-import os
 from pathlib import Path
 from typing import Dict, List, Any, Optional, Tuple
 import yaml
 
 from web_app.session_manager import SessionManager
-from web_app.utils import FileUploadHandler
+from web_app.utils import MemoryFileHandler
 
 
 class ConfigManager:
@@ -52,24 +50,18 @@ class ConfigManager:
         try:
             from io import StringIO
             
-            # Use temp file approach for HF Spaces compatibility
-            temp_path = FileUploadHandler.save_to_temp(uploaded_file, prefix="config")
-            if not temp_path:
-                st.error(f"Failed to save file {uploaded_file.name}")
+            # Use memory-based approach for HF Spaces compatibility
+            content = MemoryFileHandler.process_uploaded_file(uploaded_file, as_text=False)
+            if not content:
+                st.error(f"Failed to read file {uploaded_file.name}")
                 return None
             
-            # Read content from temp file
-            content = FileUploadHandler.read_from_temp(temp_path)
-            
             # Decode content if it's bytes
             if isinstance(content, bytes):
                 text_content = content.decode('utf-8')
             else:
                 text_content = content
             
-            # Cleanup temp file after reading
-            FileUploadHandler.cleanup_temp_file(temp_path)
-            
             # Determine delimiter from first 1024 chars
             sample = text_content[:1024]
             delimiter = ',' if sample.count(',') > sample.count('\t') else '\t'

web_app/debug_utils.py

@@ -3,7 +3,7 @@
 import streamlit as st
 import os
 import sys
-from web_app.utils import FileUploadHandler
+from web_app.utils import MemoryFileHandler
 
 def show_environment_info():
     """Display environment information for debugging."""
@@ -116,33 +116,26 @@ def debug_file_upload():
             except Exception as e:
                 st.write(f"- GetValue method: ❌ Failed - {str(e)}")
             
-            # Test /tmp approach
-            st.write("\n**Temp File Approach:**")
+            # Test memory-based approach
+            st.write("\n**Memory-based Approach:**")
             try:
-                temp_path = FileUploadHandler.save_to_temp(uploaded_file, prefix="debug")
-                if temp_path:
-                    st.write(f"- Save to /tmp: ✅ Success ({temp_path})")
+                uploaded_file.seek(0)
+                content = MemoryFileHandler.process_uploaded_file(uploaded_file, as_text=False)
+                if content:
+                    st.write(f"- Process file (binary): ✅ Success ({len(content)} bytes)")
                     
-                    # Read from temp
-                    temp_content = FileUploadHandler.read_from_temp(temp_path)
-                    if temp_content:
-                        st.write(f"- Read from /tmp: ✅ Success ({len(temp_content)} bytes)")
-                        
-                        # Try decoding
-                        if isinstance(temp_content, bytes):
-                            text = temp_content.decode('utf-8')
-                            st.write(f"- Decode UTF-8: ✅ Success ({len(text)} chars)")
+                    # Try text mode
+                    uploaded_file.seek(0)
+                    text_content = MemoryFileHandler.process_uploaded_file(uploaded_file, as_text=True)
+                    if text_content:
+                        st.write(f"- Process file (text): ✅ Success ({len(text_content)} chars)")
                     else:
-                        st.write("- Read from /tmp: ❌ Failed")
-                    
-                    # Cleanup
-                    FileUploadHandler.cleanup_temp_file(temp_path)
-                    st.write("- Cleanup: ✅ Success")
+                        st.write("- Process file (text): ❌ Failed")
                 else:
-                    st.write("- Save to /tmp: ❌ Failed")
+                    st.write("- Process file (binary): ❌ Failed")
                     
             except Exception as e:
-                st.error(f"Error with temp file approach: {e}")
+                st.error(f"Error with memory-based approach: {e}")
                 import traceback
                 st.code(traceback.format_exc())