feat: Add dialog-based directory selection for terminal environments

src/streamlit_app.py

@@ -17,6 +17,25 @@ from main import (
     setup_logging
 )
 
+def select_directory_with_dialog(title="Select Directory"):
+    """Use dialog command to select directory in terminal environment"""
+    try:
+        result = subprocess.run(
+            ['dialog', '--title', title, '--dselect', os.getcwd(), 0, 0],
+            env={'DIALOGRC': '/etc/dialogrc'},
+            capture_output=True,
+            text=True
+        )
+        if result.returncode == 0:
+            return result.stderr.strip()  # dialog outputs to stderr
+        return None
+    except FileNotFoundError:
+        st.error("Please install 'dialog' package: sudo apt-get install dialog")
+        return None
+    except Exception as e:
+        st.error(f"Error using dialog: {str(e)}")
+        return None
+
 def is_running_locally():
     """Check if the app is running locally or in cloud environment"""
     return os.environ.get('STREAMLIT_SERVER_ADDRESS', '').startswith('localhost')
@@ -170,17 +189,11 @@ with col1:
 
         if st.button("Browse Source Directory", key='source_browse'):
             try:
-                import tkinter as tk
+                path = select_directory_with_dialog("Select Source Directory")
-                from tkinter import filedialog
-                root = tk.Tk()
-                root.withdraw()
-                root.wm_attributes('-topmost', 1)
-                path = filedialog.askdirectory(title="Select Source Directory")
                 if path:
                     st.session_state['source_dir'] = path
                     st.session_state['source_dir_input'] = path
                     st.experimental_rerun()
-                root.destroy()
             except Exception as e:
                 st.error(f"Error selecting directory: {str(e)}")
 
@@ -192,17 +205,11 @@ with col1:
 
         if st.button("Browse Destination Directory", key='dest_browse'):
             try:
-                import tkinter as tk
+                path = select_directory_with_dialog("Select Destination Directory")
-                from tkinter import filedialog
-                root = tk.Tk()
-                root.withdraw()
-                root.wm_attributes('-topmost', 1)
-                path = filedialog.askdirectory(title="Select Destination Directory")
                 if path:
                     st.session_state['dest_dir'] = path
                     st.session_state['dest_dir_input'] = path
                     st.experimental_rerun()
-                root.destroy()
             except Exception as e:
                 st.error(f"Error selecting directory: {str(e)}")