Update app.py

app.py

@@ -19,39 +19,26 @@ except ImportError as e:
     print("Please install requirements: pip install gradio skidl")
     sys.exit(1)
 
-# Check KiCad symbol directory environment variables
-def check_kicad_env():
-    """Check if KiCad symbol directory environment variables are set."""
-    kicad_vars = [
-        'KICAD_SYMBOL_DIR',
-        'KICAD6_SYMBOL_DIR',
-        'KICAD7_SYMBOL_DIR',
-        'KICAD8_SYMBOL_DIR'
-    ]
-    missing = [var for var in kicad_vars if not os.environ.get(var)]
-    if missing:
-        logger.warning(
-            f"Missing KiCad environment variables: {', '.join(missing)}. "
-            "Set these to access default KiCad symbol libraries."
-        )
-        return False
-    return True
-
-# Set default symbol library path if not set
-def set_default_symbol_lib():
-    """Set a fallback symbol library path if environment variables are missing."""
-    if not check_kicad_env():
-        # Use a generic library or custom path (modify as needed)
-        default_lib_path = os.path.expanduser("~/kicad_symbols")  # Example path
-        if os.path.exists(default_lib_path):
-            os.environ['KICAD_SYMBOL_DIR'] = default_lib_path
-            lib_search_paths.append(default_lib_path)
-            logger.info(f"Set default symbol library path: {default_lib_path}")
-        else:
-            logger.warning(
-                f"Default symbol library path {default_lib_path} not found. "
-                "Parts may not be resolved without valid libraries."
-            )
+def check_device_lib():
+    """Check if device.lib exists in the current directory."""
+    current_dir = os.getcwd()
+    device_lib_path = os.path.join(current_dir, 'device.lib')
+    if os.path.exists(device_lib_path):
+        logger.info(f"Found device.lib in current directory: {device_lib_path}")
+        return True
+    logger.warning(f"device.lib not found in current directory: {current_dir}")
+    return False
+
+def configure_skidl_libs():
+    """Configure SKiDL to use device.lib from the current directory."""
+    current_dir = os.getcwd()
+    # Clear existing library search paths to prioritize current directory
+    lib_search_paths.clear()
+    # Add current directory to search paths
+    lib_search_paths.append(current_dir)
+    # Set default library to Device
+    set_default_lib('Device')
+    logger.info(f"Configured SKiDL to use Device library from {current_dir}")
 
 def cleanup_old_files():
     """Clean up temporary files older than 1 hour."""
@@ -72,8 +59,12 @@ def generate_circuit(skidl_code):
     reset()  # Reset SKiDL state
     tmp_path = None
     try:
-        # Set default symbol library if needed
-        set_default_symbol_lib()
+        # Configure SKiDL to use device.lib from current directory
+        configure_skidl_libs()
+
+        # Check for device.lib
+        if not check_device_lib():
+            return "Error: device.lib not found in the current directory. Please ensure it exists.", None
 
         # Validate code syntax
         try:
@@ -119,19 +110,16 @@ with gr.Blocks() as demo:
     gr.Markdown(
         """
         # SKiDL Circuit Builder (No KiCad Needed)
-        **Note**: Ensure KiCad symbol libraries are accessible by setting `KICAD_SYMBOL_DIR` or other relevant environment variables.
+        **Note**: Ensure `device.lib` is in the same directory as this script to resolve components like resistors and capacitors.
         """
     )
     
-    # Example code with explicit library (Device library for basic components)
+    # Example code using Device library from device.lib
     example_code = """
 from skidl import *
-# Use Device library for basic components
-lib_search_paths.append('.')  # Ensure local libraries are searchable
-set_default_lib('Device')  # Use built-in Device library
 vcc = Vcc()
 gnd = Gnd()
-r1 = Part('Device', 'R', value='1k')  # Explicitly use Device library
+r1 = Part('Device', 'R', value='1k')  # Uses device.lib in current directory
 c1 = Part('Device', 'C', value='1uF')
 r1[1] & c1 & gnd
 r1[2] & vcc