#!/usr/bin/env python3 """ KiCAD Python Interface Script for Model Context Protocol This script handles communication between the MCP TypeScript server and KiCAD's Python API (pcbnew). It receives commands via stdin as JSON and returns responses via stdout also as JSON. """ import hashlib import json import logging import os import shutil import sys import traceback from datetime import datetime from pathlib import Path from typing import Any, Dict, List, Optional, Tuple # Fix cairo DLL loading on Windows before any cairocffi import. # cairocffi uses cffi's ffi.dlopen('cairo-2') which needs the DLL on PATH. if sys.platform == "win32": for _bin_dir in [ os.environ.get("PYTHONPATH", ""), os.path.dirname(sys.executable), r"C:\Program Files\KiCad\9.0\bin", r"C:\Program Files\KiCad\8.0\bin", ]: if _bin_dir and os.path.isfile(os.path.join(_bin_dir, "cairo-2.dll")): _current_path = os.environ.get("PATH", "") if _bin_dir not in _current_path: os.environ["PATH"] = _bin_dir + os.pathsep + _current_path break import sexpdata from annotations import AnnotationLoader from commands.wire_manager import WireManager from resources.resource_definitions import RESOURCE_DEFINITIONS, handle_resource_read # Import tool schemas, resource definitions, and IPC API annotations from schemas.tool_schemas import TOOL_SCHEMAS _annotation_loader = AnnotationLoader() # Configure logging # Try to set up a file handler in ~/.kicad-mcp/logs. If that directory isn't # writable (e.g. sandboxed test environments, restricted CI runners), fall # back to console-only logging so importing this module never crashes. try: log_dir = os.path.join(os.path.expanduser("~"), ".kicad-mcp", "logs") os.makedirs(log_dir, exist_ok=True) log_file = os.path.join(log_dir, "kicad_interface.log") logging.basicConfig( level=logging.DEBUG, format="%(asctime)s [%(levelname)s] %(message)s", handlers=[logging.FileHandler(log_file)], ) except (OSError, PermissionError): logging.basicConfig( level=logging.DEBUG, format="%(asctime)s [%(levelname)s] %(message)s", ) logger = logging.getLogger("kicad_interface") # Log Python environment details logger.info(f"Python version: {sys.version}") logger.info(f"Python executable: {sys.executable}") logger.info(f"Platform: {sys.platform}") logger.info(f"Working directory: {os.getcwd()}") # Windows-specific diagnostics if sys.platform == "win32": logger.info("=== Windows Environment Diagnostics ===") logger.info(f"PYTHONPATH: {os.environ.get('PYTHONPATH', 'NOT SET')}") logger.info(f"PATH: {os.environ.get('PATH', 'NOT SET')[:200]}...") # Truncate PATH # Check for common KiCAD installations common_kicad_paths = [r"C:\Program Files\KiCad", r"C:\Program Files (x86)\KiCad"] found_kicad = False for base_path in common_kicad_paths: if os.path.exists(base_path): logger.info(f"Found KiCAD installation at: {base_path}") # List versions try: versions = [ d for d in os.listdir(base_path) if os.path.isdir(os.path.join(base_path, d)) ] logger.info(f" Versions found: {', '.join(versions)}") for version in versions: python_path = os.path.join( base_path, version, "lib", "python3", "dist-packages" ) if os.path.exists(python_path): logger.info(f" ✓ Python path exists: {python_path}") found_kicad = True else: logger.warning(f" ✗ Python path missing: {python_path}") except Exception as e: logger.warning(f" Could not list versions: {e}") if not found_kicad: logger.warning("No KiCAD installations found in standard locations!") logger.warning( "Please ensure KiCAD 9.0+ is installed from https://www.kicad.org/download/windows/" ) logger.info("========================================") # Add utils directory to path for imports utils_dir = os.path.join(os.path.dirname(__file__)) if utils_dir not in sys.path: sys.path.insert(0, utils_dir) from utils.kicad_process import KiCADProcessManager, check_and_launch_kicad # Import platform helper and add KiCAD paths from utils.platform_helper import PlatformHelper logger.info(f"Detecting KiCAD Python paths for {PlatformHelper.get_platform_name()}...") paths_added = PlatformHelper.add_kicad_to_python_path() if paths_added: logger.info("Successfully added KiCAD Python paths to sys.path") else: logger.warning("No KiCAD Python paths found - attempting to import pcbnew from system path") logger.info(f"Current Python path: {sys.path}") # Check if auto-launch is enabled AUTO_LAUNCH_KICAD = os.environ.get("KICAD_AUTO_LAUNCH", "false").lower() == "true" if AUTO_LAUNCH_KICAD: logger.info("KiCAD auto-launch enabled") # Check which backend to use # KICAD_BACKEND can be: 'auto', 'ipc', or 'swig' KICAD_BACKEND = os.environ.get("KICAD_BACKEND", "auto").lower() logger.info(f"KiCAD backend preference: {KICAD_BACKEND}") # Try to use IPC backend first if available and preferred USE_IPC_BACKEND = False ipc_backend = None if KICAD_BACKEND in ("auto", "ipc"): try: logger.info("Checking IPC backend availability...") from kicad_api.ipc_backend import IPCBackend # Try to connect to running KiCAD ipc_backend = IPCBackend() if ipc_backend.connect(): USE_IPC_BACKEND = True logger.info(f"✓ Using IPC backend - real-time UI sync enabled!") logger.info(f" KiCAD version: {ipc_backend.get_version()}") else: logger.info("IPC backend available but KiCAD not running with IPC enabled") ipc_backend = None except ImportError: logger.info("IPC backend not available (kicad-python not installed)") except Exception as e: logger.info(f"IPC backend connection failed: {e}") ipc_backend = None # Fall back to SWIG backend if IPC not available if not USE_IPC_BACKEND and KICAD_BACKEND != "ipc": # Import KiCAD's Python API (SWIG) try: logger.info("Attempting to import pcbnew module (SWIG backend)...") import pcbnew # type: ignore logger.info(f"Successfully imported pcbnew module from: {pcbnew.__file__}") logger.info(f"pcbnew version: {pcbnew.GetBuildVersion()}") logger.warning("Using SWIG backend - changes require manual reload in KiCAD UI") except ImportError as e: logger.error(f"Failed to import pcbnew module: {e}") logger.error(f"Current sys.path: {sys.path}") # Platform-specific help message help_message = "" if sys.platform == "win32": help_message = """ Windows Troubleshooting: 1. Verify KiCAD is installed: C:\\Program Files\\KiCad\\9.0 2. Check PYTHONPATH environment variable points to: C:\\Program Files\\KiCad\\9.0\\lib\\python3\\dist-packages 3. Test with: "C:\\Program Files\\KiCad\\9.0\\bin\\python.exe" -c "import pcbnew" 4. Log file location: %USERPROFILE%\\.kicad-mcp\\logs\\kicad_interface.log 5. Run setup-windows.ps1 for automatic configuration """ elif sys.platform == "darwin": help_message = """ macOS Troubleshooting: 1. Verify KiCAD is installed: /Applications/KiCad/KiCad.app 2. Check PYTHONPATH points to KiCAD's Python packages 3. Run: python3 -c "import pcbnew" to test """ else: # Linux help_message = """ Linux Troubleshooting: 1. Verify KiCAD is installed: apt list --installed | grep kicad 2. Check: /usr/lib/kicad/lib/python3/dist-packages exists 3. Test: python3 -c "import pcbnew" """ logger.error(help_message) error_response = { "success": False, "message": "Failed to import pcbnew module - KiCAD Python API not found", "errorDetails": f"Error: {str(e)}\n\n{help_message}\n\nPython sys.path:\n{chr(10).join(sys.path)}", } print(json.dumps(error_response)) sys.exit(1) except Exception as e: logger.error(f"Unexpected error importing pcbnew: {e}") logger.error(traceback.format_exc()) error_response = { "success": False, "message": "Error importing pcbnew module", "errorDetails": str(e), } print(json.dumps(error_response)) sys.exit(1) # If IPC-only mode requested but not available, exit with error elif KICAD_BACKEND == "ipc" and not USE_IPC_BACKEND: error_response = { "success": False, "message": "IPC backend requested but not available", "errorDetails": "KiCAD must be running with IPC API enabled. Enable at: Preferences > Plugins > Enable IPC API Server", } print(json.dumps(error_response)) sys.exit(1) # Import command handlers try: logger.info("Importing command handlers...") from commands.board import BoardCommands from commands.component import ComponentCommands from commands.component_schematic import ComponentManager from commands.connection_schematic import ConnectionManager from commands.datasheet_manager import DatasheetManager from commands.design_rules import DesignRuleCommands from commands.export import ExportCommands from commands.footprint import FootprintCreator from commands.freerouting import FreeroutingCommands from commands.jlcpcb import JLCPCBClient, test_jlcpcb_connection from commands.jlcpcb_parts import JLCPCBPartsManager from commands.library import ( LibraryCommands, ) from commands.library import LibraryManager as FootprintLibraryManager from commands.library_schematic import LibraryManager as SchematicLibraryManager from commands.library_symbol import SymbolLibraryCommands, SymbolLibraryManager from commands.project import ProjectCommands from commands.routing import RoutingCommands from commands.schematic import SchematicManager from commands.symbol_creator import SymbolCreator logger.info("Successfully imported all command handlers") except ImportError as e: logger.error(f"Failed to import command handlers: {e}") error_response = { "success": False, "message": "Failed to import command handlers", "errorDetails": str(e), } print(json.dumps(error_response)) sys.exit(1) class KiCADInterface: """Main interface class to handle KiCAD operations""" def __init__(self) -> None: """Initialize the interface and command handlers""" self.board = None self.project_filename = None # On-disk signature (mtime_ns, sha256_hex) of self.board's file as of # last load or successful auto-save. Used by _auto_save_board() to # detect external modifications and refuse to clobber them. self._board_disk_signature: Optional[Tuple[int, str]] = None # Number of timestamped backups to keep in .mcp-backups/ per board file. self._auto_save_backup_keep = 20 self.use_ipc = USE_IPC_BACKEND self.ipc_backend = ipc_backend self.ipc_board_api = None if self.use_ipc: logger.info("Initializing with IPC backend (real-time UI sync enabled)") try: self.ipc_board_api = self.ipc_backend.get_board() logger.info("✓ Got IPC board API") except Exception as e: logger.warning(f"Could not get IPC board API: {e}") else: logger.info("Initializing with SWIG backend") logger.info("Initializing command handlers...") # Initialize footprint library manager self.footprint_library = FootprintLibraryManager() # Initialize command handlers self.project_commands = ProjectCommands(self.board) self.board_commands = BoardCommands(self.board) self.component_commands = ComponentCommands(self.board, self.footprint_library) self.routing_commands = RoutingCommands(self.board) self.freerouting_commands = FreeroutingCommands(self.board) self.design_rule_commands = DesignRuleCommands(self.board) self.export_commands = ExportCommands(self.board) self.library_commands = LibraryCommands(self.footprint_library) self._current_project_path: Optional[Path] = None # set when boardPath is known # Initialize symbol library manager (for searching local KiCad symbol libraries) self.symbol_library_commands = SymbolLibraryCommands() # Initialize JLCPCB API integration self.jlcpcb_client = JLCPCBClient() # Official API (requires auth) from commands.jlcsearch import JLCSearchClient self.jlcsearch_client = JLCSearchClient() # Public API (no auth required) self.jlcpcb_parts = JLCPCBPartsManager() # Schematic-related classes don't need board reference # as they operate directly on schematic files # Command routing dictionary self.command_routes = { # Project commands "create_project": self._handle_create_project, "open_project": self._handle_open_project, "save_project": self.project_commands.save_project, "snapshot_project": self._handle_snapshot_project, "get_project_info": self.project_commands.get_project_info, # Board commands "set_board_size": self.board_commands.set_board_size, "add_layer": self.board_commands.add_layer, "set_active_layer": self.board_commands.set_active_layer, "get_board_info": self.board_commands.get_board_info, "get_layer_list": self.board_commands.get_layer_list, "get_board_2d_view": self.board_commands.get_board_2d_view, "get_board_extents": self.board_commands.get_board_extents, "add_board_outline": self.board_commands.add_board_outline, "add_mounting_hole": self.board_commands.add_mounting_hole, "add_text": self.board_commands.add_text, "add_board_text": self.board_commands.add_text, # Alias for TypeScript tool # Component commands "route_pad_to_pad": self.routing_commands.route_pad_to_pad, "place_component": self._handle_place_component, "move_component": self.component_commands.move_component, "rotate_component": self.component_commands.rotate_component, "delete_component": self.component_commands.delete_component, "edit_component": self.component_commands.edit_component, "get_component_properties": self.component_commands.get_component_properties, "get_component_list": self.component_commands.get_component_list, "find_component": self.component_commands.find_component, "get_component_pads": self.component_commands.get_component_pads, "get_pad_position": self.component_commands.get_pad_position, "place_component_array": self.component_commands.place_component_array, "align_components": self.component_commands.align_components, "duplicate_component": self.component_commands.duplicate_component, # Routing commands "add_net": self.routing_commands.add_net, "route_trace": self.routing_commands.route_trace, "route_arc_trace": self.routing_commands.route_arc_trace, "add_via": self.routing_commands.add_via, "delete_trace": self.routing_commands.delete_trace, "query_traces": self.routing_commands.query_traces, "query_zones": self.routing_commands.query_zones, "modify_trace": self.routing_commands.modify_trace, "copy_routing_pattern": self.routing_commands.copy_routing_pattern, "get_nets_list": self.routing_commands.get_nets_list, "create_netclass": self.routing_commands.create_netclass, "add_copper_pour": self.routing_commands.add_copper_pour, "route_differential_pair": self.routing_commands.route_differential_pair, "refill_zones": self._handle_refill_zones, # Design rule commands "set_design_rules": self.design_rule_commands.set_design_rules, "get_design_rules": self.design_rule_commands.get_design_rules, "run_drc": self.design_rule_commands.run_drc, "get_drc_violations": self.design_rule_commands.get_drc_violations, # Export commands "export_gerber": self.export_commands.export_gerber, "export_pdf": self.export_commands.export_pdf, "export_svg": self.export_commands.export_svg, "export_3d": self.export_commands.export_3d, "export_bom": self.export_commands.export_bom, # Library commands (footprint management) "list_libraries": self.library_commands.list_libraries, "search_footprints": self.library_commands.search_footprints, "list_library_footprints": self.library_commands.list_library_footprints, "get_footprint_info": self.library_commands.get_footprint_info, # Symbol library commands (local KiCad symbol library search) "list_symbol_libraries": self.symbol_library_commands.list_symbol_libraries, "search_symbols": self.symbol_library_commands.search_symbols, "list_library_symbols": self.symbol_library_commands.list_library_symbols, "get_symbol_info": self.symbol_library_commands.get_symbol_info, # JLCPCB API commands (complete parts catalog via API) "download_jlcpcb_database": self._handle_download_jlcpcb_database, "search_jlcpcb_parts": self._handle_search_jlcpcb_parts, "get_jlcpcb_part": self._handle_get_jlcpcb_part, "get_jlcpcb_database_stats": self._handle_get_jlcpcb_database_stats, "suggest_jlcpcb_alternatives": self._handle_suggest_jlcpcb_alternatives, # Datasheet commands "enrich_datasheets": self._handle_enrich_datasheets, "get_datasheet_url": self._handle_get_datasheet_url, # Schematic commands "create_schematic": self._handle_create_schematic, "load_schematic": self._handle_load_schematic, "add_schematic_component": self._handle_add_schematic_component, "delete_schematic_component": self._handle_delete_schematic_component, "edit_schematic_component": self._handle_edit_schematic_component, "set_schematic_component_property": self._handle_set_schematic_component_property, "remove_schematic_component_property": self._handle_remove_schematic_component_property, "get_schematic_component": self._handle_get_schematic_component, "add_schematic_wire": self._handle_add_schematic_wire, "add_schematic_net_label": self._handle_add_schematic_net_label, "add_no_connect": self._handle_add_no_connect, "connect_to_net": self._handle_connect_to_net, "connect_passthrough": self._handle_connect_passthrough, "get_schematic_pin_locations": self._handle_get_schematic_pin_locations, "get_net_connections": self._handle_get_net_connections, "get_wire_connections": self._handle_get_wire_connections, "get_net_at_point": self._handle_get_net_at_point, "run_erc": self._handle_run_erc, "export_netlist": self._handle_export_netlist, "generate_netlist": self._handle_generate_netlist, "sync_schematic_to_board": self._handle_sync_schematic_to_board, "list_schematic_libraries": self._handle_list_schematic_libraries, "get_schematic_view": self._handle_get_schematic_view, "list_schematic_components": self._handle_list_schematic_components, "list_schematic_nets": self._handle_list_schematic_nets, "list_schematic_wires": self._handle_list_schematic_wires, "list_schematic_labels": self._handle_list_schematic_labels, "move_schematic_component": self._handle_move_schematic_component, "rotate_schematic_component": self._handle_rotate_schematic_component, "annotate_schematic": self._handle_annotate_schematic, "delete_schematic_wire": self._handle_delete_schematic_wire, "delete_schematic_net_label": self._handle_delete_schematic_net_label, "move_schematic_net_label": self._handle_move_schematic_net_label, "export_schematic_pdf": self._handle_export_schematic_pdf, "export_schematic_svg": self._handle_export_schematic_svg, # Schematic analysis tools (read-only) "get_schematic_view_region": self._handle_get_schematic_view_region, "find_overlapping_elements": self._handle_find_overlapping_elements, "get_elements_in_region": self._handle_get_elements_in_region, "find_wires_crossing_symbols": self._handle_find_wires_crossing_symbols, "find_orphaned_wires": self._handle_find_orphaned_wires, "list_floating_labels": self._handle_list_floating_labels, "snap_to_grid": self._handle_snap_to_grid, "add_schematic_hierarchical_label": self._handle_add_schematic_hierarchical_label, "add_schematic_text": self._handle_add_schematic_text, "list_schematic_texts": self._handle_list_schematic_texts, "add_sheet_pin": self._handle_add_sheet_pin, "import_svg_logo": self._handle_import_svg_logo, # UI/Process management commands "check_kicad_ui": self._handle_check_kicad_ui, "launch_kicad_ui": self._handle_launch_kicad_ui, # IPC-specific commands (real-time operations) "get_backend_info": self._handle_get_backend_info, "ipc_add_track": self._handle_ipc_add_track, "ipc_add_via": self._handle_ipc_add_via, "ipc_add_text": self._handle_ipc_add_text, "ipc_list_components": self._handle_ipc_list_components, "ipc_get_tracks": self._handle_ipc_get_tracks, "ipc_get_vias": self._handle_ipc_get_vias, "ipc_save_board": self._handle_ipc_save_board, # Footprint commands "create_footprint": self._handle_create_footprint, "edit_footprint_pad": self._handle_edit_footprint_pad, "list_footprint_libraries": self._handle_list_footprint_libraries, "register_footprint_library": self._handle_register_footprint_library, # Symbol creator commands "create_symbol": self._handle_create_symbol, "delete_symbol": self._handle_delete_symbol, "list_symbols_in_library": self._handle_list_symbols_in_library, "register_symbol_library": self._handle_register_symbol_library, # Freerouting autoroute commands "autoroute": self.freerouting_commands.autoroute, "export_dsn": self.freerouting_commands.export_dsn, "import_ses": self.freerouting_commands.import_ses, "check_freerouting": self.freerouting_commands.check_freerouting, } logger.info(f"KiCAD interface initialized (backend: {'IPC' if self.use_ipc else 'SWIG'})") # Commands that can be handled via IPC for real-time updates IPC_CAPABLE_COMMANDS = { # Routing commands "route_trace": "_ipc_route_trace", "route_arc_trace": "_ipc_route_arc_trace", "add_via": "_ipc_add_via", "add_net": "_ipc_add_net", "delete_trace": "_ipc_delete_trace", "get_nets_list": "_ipc_get_nets_list", # Zone commands "add_copper_pour": "_ipc_add_copper_pour", "refill_zones": "_ipc_refill_zones", # Board commands "add_text": "_ipc_add_text", "add_board_text": "_ipc_add_text", "set_board_size": "_ipc_set_board_size", "get_board_info": "_ipc_get_board_info", "add_board_outline": "_ipc_add_board_outline", "add_mounting_hole": "_ipc_add_mounting_hole", "get_layer_list": "_ipc_get_layer_list", # Component commands "place_component": "_ipc_place_component", "move_component": "_ipc_move_component", "rotate_component": "_ipc_rotate_component", "delete_component": "_ipc_delete_component", "get_component_list": "_ipc_get_component_list", "get_component_properties": "_ipc_get_component_properties", # Save command "save_project": "_ipc_save_project", } def handle_command(self, command: str, params: Dict[str, Any]) -> Dict[str, Any]: """Route command to appropriate handler, preferring IPC when available""" logger.info(f"Handling command: {command}") logger.debug(f"Command parameters: {params}") try: # Check if we can use IPC for this command (real-time UI sync) if self.use_ipc and self.ipc_board_api and command in self.IPC_CAPABLE_COMMANDS: ipc_handler_name = self.IPC_CAPABLE_COMMANDS[command] ipc_handler = getattr(self, ipc_handler_name, None) if ipc_handler: logger.info(f"Using IPC backend for {command} (real-time sync)") result = ipc_handler(params) # Add indicator that IPC was used if isinstance(result, dict): result["_backend"] = "ipc" result["_realtime"] = True logger.debug(f"IPC command result: {result}") return result # Fall back to SWIG-based handler if self.use_ipc and command in self.IPC_CAPABLE_COMMANDS: logger.warning( f"IPC handler not available for {command}, falling back to SWIG (deprecated)" ) # Get the handler for the command handler = self.command_routes.get(command) if handler: # Execute the command result = handler(params) logger.debug(f"Command result: {result}") # Add backend indicator if isinstance(result, dict): result["_backend"] = "swig" result["_realtime"] = False # Update board reference if command was successful if result.get("success", False): if command == "create_project" or command == "open_project": logger.info("Updating board reference...") # Get board from the project commands handler self.board = self.project_commands.board self._update_command_handlers() # Record the file's signature so subsequent auto-saves # can detect external modifications and refuse to # overwrite them. self._record_board_signature() elif command in self._BOARD_MUTATING_COMMANDS: # Auto-save after every board mutation via SWIG. # Prevents data loss if Claude hits context limit before # an explicit save_project call. When auto-save refuses # because the on-disk file changed externally, surface # a warning to the caller so they don't believe their # mutation was persisted. save_status = self._auto_save_board() if isinstance(result, dict) and not save_status.get("saved"): if save_status.get("warning"): result.setdefault("warnings", []).append(save_status["warning"]) result["autoSave"] = save_status return result else: logger.error(f"Unknown command: {command}") return { "success": False, "message": f"Unknown command: {command}", "errorDetails": "The specified command is not supported", } except Exception as e: # Get the full traceback traceback_str = traceback.format_exc() logger.error(f"Error handling command {command}: {str(e)}\n{traceback_str}") return { "success": False, "message": f"Error handling command: {command}", "errorDetails": f"{str(e)}\n{traceback_str}", } # Board-mutating commands that trigger auto-save on SWIG path _BOARD_MUTATING_COMMANDS = { "place_component", "move_component", "rotate_component", "delete_component", "route_trace", "route_arc_trace", "route_pad_to_pad", "add_via", "delete_trace", "add_net", "add_board_outline", "add_mounting_hole", "add_text", "add_board_text", "add_copper_pour", "refill_zones", "import_svg_logo", "sync_schematic_to_board", "connect_passthrough", "connect_to_net", } @staticmethod def _disk_signature(path: str) -> Optional[Tuple[int, str]]: """Return (mtime_ns, sha256_hex) for the file, or None if missing/unreadable. The sha256 is always recomputed from disk: the conflict guard in ``_auto_save_board`` compares hashes (content), not mtime, so we cannot use mtime as a cache key without re-introducing the bug where two writes inside one mtime tick on a coarse-resolution filesystem (FAT32, network mounts, etc.) would mask a real content change. """ try: st = os.stat(path) h = hashlib.sha256() with open(path, "rb") as f: for chunk in iter(lambda: f.read(65536), b""): h.update(chunk) return (st.st_mtime_ns, h.hexdigest()) except OSError: return None def _record_board_signature(self) -> None: """Record the current on-disk signature of self.board's file. Call this after a fresh load (open_project / create_project) or after any save we perform ourselves, so that _auto_save_board() can detect when an external actor has modified the file in between. """ if not self.board: self._board_disk_signature = None return try: path = self.board.GetFileName() except Exception: path = None self._board_disk_signature = self._disk_signature(path) if path else None def _prune_auto_save_backups(self, backup_dir: str, base_name: str) -> None: """Keep only the most recent `_auto_save_backup_keep` backups for `base_name`.""" try: entries = [ os.path.join(backup_dir, f) for f in os.listdir(backup_dir) if f.startswith(base_name + ".") ] entries.sort(key=os.path.getmtime, reverse=True) for old in entries[self._auto_save_backup_keep :]: try: os.remove(old) except OSError: pass except OSError as e: logger.debug(f"Backup pruning skipped: {e}") def _auto_save_board(self) -> Dict[str, Any]: """Save the in-memory board to disk after a SWIG-path mutation. Behaviour: * If the file's on-disk signature has diverged from the one we recorded at load (or at our last successful save), refuse to overwrite — an external actor (KiCad GUI, another process, git) has touched the file and saving would clobber their changes. * Otherwise, copy the existing file to ``/.mcp-backups/.`` (rotating, keeps the most recent `_auto_save_backup_keep`), then call pcbnew.SaveBoard(). * Update the recorded signature on success. Returns a status dict that handle_command merges into the caller's response so warnings about refused saves are visible: {"saved": True, "boardPath": ..., "backup": } {"saved": False, "skipped": } -- nothing to save {"saved": False, "warning": ..., "diskChangedExternally": True, ...} {"saved": False, "error": ...} -- pcbnew error """ if not self.board: return {"saved": False, "skipped": "no board loaded"} try: board_path = self.board.GetFileName() except Exception as e: return {"saved": False, "skipped": f"GetFileName failed: {e}"} if not board_path: return {"saved": False, "skipped": "no board path"} expected = self._board_disk_signature current = self._disk_signature(board_path) # Only refuse if the file's CONTENT (sha256) has actually diverged # from what we recorded. mtime alone is not a conflict signal — # `touch`, atime-driven backups, or even some MCP read paths can # advance mtime without changing content, and refusing on that # basis traps users in a state where every write needs an explicit # save_project workaround. # # If expected is None, treat this as "first save" and proceed — # otherwise pre-existing setups (open_project ran before this guard # was introduced) would never be able to save. if expected is not None and current is not None and expected[1] != current[1]: warning = ( "Auto-save refused: the on-disk PCB file's contents changed " "externally since this MCP session loaded it. To avoid " "clobbering those changes, the in-memory mutation has NOT " "been written to disk. Reload via open_project to refresh, " "then re-apply the change." ) logger.warning(f"{warning} ({board_path})") logger.warning(f" expected sha256={expected[1][:12]}… mtime_ns={expected[0]}") logger.warning(f" current sha256={current[1][:12]}… mtime_ns={current[0]}") return { "saved": False, "warning": warning, "boardPath": board_path, "diskChangedExternally": True, "expectedMtimeNs": expected[0], "currentMtimeNs": current[0], "memChangesUnsaved": True, } # Content matches but mtime advanced (e.g. external `touch`): refresh # the recorded mtime so we don't re-hash on every subsequent call. if expected is not None and current is not None and expected != current: self._board_disk_signature = current # Make a rotating backup of the existing file (best-effort). backup_path: Optional[str] = None if current is not None: try: backup_dir = os.path.join(os.path.dirname(board_path) or ".", ".mcp-backups") os.makedirs(backup_dir, exist_ok=True) stamp = datetime.now().strftime("%Y%m%d-%H%M%S-%f")[:-3] base = os.path.basename(board_path) backup_path = os.path.join(backup_dir, f"{base}.{stamp}") shutil.copy2(board_path, backup_path) self._prune_auto_save_backups(backup_dir, base) except OSError as e: logger.warning(f"Auto-save backup failed (continuing): {e}") backup_path = None # Write the board. try: pcbnew.SaveBoard(board_path, self.board) logger.debug(f"Auto-saved board to: {board_path}") self._board_disk_signature = self._disk_signature(board_path) return {"saved": True, "boardPath": board_path, "backup": backup_path} except Exception as e: logger.warning(f"Auto-save failed: {e}") return {"saved": False, "error": str(e), "backup": backup_path} def _update_command_handlers(self) -> None: """Update board reference in all command handlers""" logger.debug("Updating board reference in command handlers") self.project_commands.board = self.board self.board_commands.board = self.board self.component_commands.board = self.board self.routing_commands.board = self.board self.design_rule_commands.board = self.board self.export_commands.board = self.board self.freerouting_commands.board = self.board # Schematic command handlers def _handle_create_schematic(self, params: Dict[str, Any]) -> Dict[str, Any]: """Create a new schematic""" logger.info("Creating schematic") try: # Support multiple parameter naming conventions for compatibility: # - TypeScript tools use: name, path # - Python schema uses: filename, title # - Legacy uses: projectName, path, metadata project_name = params.get("projectName") or params.get("name") or params.get("title") # Handle filename parameter - it may contain full path filename = params.get("filename") if filename: # If filename provided, extract name and path from it if filename.endswith(".kicad_sch"): filename = filename[:-10] # Remove .kicad_sch extension path = os.path.dirname(filename) or "." project_name = project_name or os.path.basename(filename) else: path = params.get("path", ".") metadata = params.get("metadata", {}) if not project_name: return { "success": False, "message": "Schematic name is required. Provide 'name', 'projectName', or 'filename' parameter.", } sch_path = path if path and path != "." else None schematic = SchematicManager.create_schematic( project_name, path=sch_path, metadata=metadata ) base_name = ( project_name if project_name.endswith(".kicad_sch") else f"{project_name}.kicad_sch" ) normalized_path = path or "." file_path = os.path.join(normalized_path, base_name) success = SchematicManager.save_schematic(schematic, file_path) return {"success": success, "file_path": file_path} except Exception as e: logger.error(f"Error creating schematic: {str(e)}") return {"success": False, "message": str(e)} def _handle_load_schematic(self, params: Dict[str, Any]) -> Dict[str, Any]: """Load an existing schematic""" logger.info("Loading schematic") try: filename = params.get("filename") if not filename: return {"success": False, "message": "Filename is required"} schematic = SchematicManager.load_schematic(filename) success = schematic is not None if success: metadata = SchematicManager.get_schematic_metadata(schematic) return {"success": success, "metadata": metadata} else: return {"success": False, "message": "Failed to load schematic"} except Exception as e: logger.error(f"Error loading schematic: {str(e)}") return {"success": False, "message": str(e)} def _project_path_from_filename(self, filename: Optional[str]) -> Optional[Path]: """Resolve a project directory from a filename param. Accepts a .kicad_pro file, a .kicad_pcb file, or a directory. """ if not filename: return None try: p = Path(filename).expanduser() except Exception: return None if p.is_file() or p.suffix in (".kicad_pro", ".kicad_pcb", ".kicad_sch"): return p.parent return p def _refresh_symbol_library_for_project(self, project_path: Optional[Path]) -> None: """Rebuild SymbolLibraryCommands' manager so project-scope sym-lib-table is visible to subsequent search/list/info calls. No-op if unchanged.""" if project_path is None: return self._current_project_path = project_path try: self.symbol_library_commands.use_project(project_path) except Exception as e: logger.warning(f"Failed to refresh symbol library for project {project_path}: {e}") def _handle_open_project(self, params: Dict[str, Any]) -> Dict[str, Any]: """Wrap project_commands.open_project so project-scope symbol libraries become visible to subsequent search_symbols / list_symbol_libraries / get_symbol_info calls.""" result = self.project_commands.open_project(params) if result.get("success"): project_info = result.get("project") or {} project_path = self._project_path_from_filename( project_info.get("path") or project_info.get("boardPath") or params.get("filename") ) self._refresh_symbol_library_for_project(project_path) return result def _handle_create_project(self, params: Dict[str, Any]) -> Dict[str, Any]: """Wrap project_commands.create_project for the same reason as open_project.""" result = self.project_commands.create_project(params) if result.get("success"): project_info = result.get("project") or {} project_path = self._project_path_from_filename( project_info.get("path") or project_info.get("boardPath") or params.get("path") or params.get("filename") ) self._refresh_symbol_library_for_project(project_path) return result def _handle_place_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """Place a component on the PCB, with project-local fp-lib-table support. If boardPath is given and differs from the currently loaded board, the board is reloaded from boardPath before placing — prevents silent failures when Claude provides a boardPath that was not yet loaded. """ from pathlib import Path board_path = params.get("boardPath") if board_path: board_path_norm = str(Path(board_path).resolve()) current_board_file = str(Path(self.board.GetFileName()).resolve()) if self.board else "" if board_path_norm != current_board_file: logger.info(f"boardPath differs from current board — reloading: {board_path}") try: self.board = pcbnew.LoadBoard(board_path) self._update_command_handlers() logger.info("Board reloaded from boardPath") except Exception as e: logger.error(f"Failed to reload board from boardPath: {e}") return { "success": False, "message": f"Could not load board from boardPath: {board_path}", "errorDetails": str(e), } project_path = Path(board_path).parent if project_path != getattr(self, "_current_project_path", None): self._current_project_path = project_path local_lib = FootprintLibraryManager(project_path=project_path) self.component_commands = ComponentCommands(self.board, local_lib) logger.info(f"Reloaded FootprintLibraryManager with project_path={project_path}") return self.component_commands.place_component(params) def _handle_add_schematic_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add a component to a schematic using text-based injection (no sexpdata)""" logger.info("Adding component to schematic") try: from pathlib import Path from commands.dynamic_symbol_loader import DynamicSymbolLoader schematic_path = params.get("schematicPath") component = params.get("component", {}) if not schematic_path: return {"success": False, "message": "Schematic path is required"} if not component: return {"success": False, "message": "Component definition is required"} comp_type = component.get("type", "R") library = component.get("library", "Device") reference = component.get("reference", "X?") value = component.get("value", comp_type) footprint = component.get("footprint", "") x = component.get("x", 0) y = component.get("y", 0) unit = component.get("unit", 1) # Derive project path from schematic path for project-local library resolution. # Walk up from the schematic file to find the directory that owns the project # (contains sym-lib-table or a .kicad_pro file). Schematics stored in a # sub-folder (e.g. sheets/) would otherwise resolve to the wrong directory and # miss any project-local sym-lib-table entries. schematic_file = Path(schematic_path) derived_project_path = schematic_file.parent for ancestor in schematic_file.parents: if (ancestor / "sym-lib-table").exists() or list(ancestor.glob("*.kicad_pro")): derived_project_path = ancestor break loader = DynamicSymbolLoader(project_path=derived_project_path) loader.add_component( schematic_file, library, comp_type, reference=reference, value=value, footprint=footprint, x=x, y=y, unit=unit, project_path=derived_project_path, ) return { "success": True, "component_reference": reference, "symbol_source": f"{library}:{comp_type}", } except Exception as e: logger.error(f"Error adding component to schematic: {str(e)}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_delete_schematic_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """Remove a placed symbol from a schematic using text-based manipulation (no skip writes)""" logger.info("Deleting schematic component") try: import re from pathlib import Path schematic_path = params.get("schematicPath") reference = params.get("reference") if not schematic_path: return {"success": False, "message": "schematicPath is required"} if not reference: return {"success": False, "message": "reference is required"} sch_file = Path(schematic_path) if not sch_file.exists(): return { "success": False, "message": f"Schematic not found: {schematic_path}", } with open(sch_file, "r", encoding="utf-8") as f: content = f.read() def find_matching_paren(s: str, start: int) -> int: """Find the closing paren matching the opening paren at start.""" depth = 0 i = start while i < len(s): if s[i] == "(": depth += 1 elif s[i] == ")": depth -= 1 if depth == 0: return i i += 1 return -1 # Skip lib_symbols section lib_sym_pos = content.find("(lib_symbols") lib_sym_end = find_matching_paren(content, lib_sym_pos) if lib_sym_pos >= 0 else -1 # Find ALL placed symbol blocks matching the reference (handles duplicates). # Use content-string search so multi-line KiCAD format is handled correctly: # KiCAD writes (symbol\n\t\t(lib_id "...") across two lines, which a # line-by-line regex would never match. blocks_to_delete = [] # list of (char_start, char_end) into content search_start = 0 # Match the opening of any placed-symbol block. KiCAD may emit the # children of (symbol ...) in any order — most commonly # `(symbol (lib_id "..."))`, but symbols whose library entry has been # rescued / customised carry an additional `(lib_name "...")` first: # `(symbol (lib_name "...") (lib_id "...") ...)`. Matching just # `(symbol\s+(` covers both, and the lib_symbols range check below # still excludes library-definition symbols (which use the # `(symbol "name" ...)` form with a quoted string, not a paren). pattern = re.compile(r"\(symbol\s+\(") while True: m = pattern.search(content, search_start) if not m: break pos = m.start() # Skip blocks inside lib_symbols if lib_sym_pos >= 0 and lib_sym_pos <= pos <= lib_sym_end: search_start = lib_sym_end + 1 continue end = find_matching_paren(content, pos) if end < 0: search_start = pos + 1 continue block_text = content[pos : end + 1] if re.search( r'\(property\s+"Reference"\s+"' + re.escape(reference) + r'"', block_text, ): blocks_to_delete.append((pos, end)) search_start = end + 1 if not blocks_to_delete: return { "success": False, "message": f"Component '{reference}' not found in schematic (note: this tool removes schematic symbols, use delete_component for PCB footprints)", } # Delete from back to front to preserve character offsets for b_start, b_end in sorted(blocks_to_delete, reverse=True): # Include any leading newline/whitespace before the block trim_start = b_start while trim_start > 0 and content[trim_start - 1] in (" ", "\t"): trim_start -= 1 if trim_start > 0 and content[trim_start - 1] == "\n": trim_start -= 1 content = content[:trim_start] + content[b_end + 1 :] with open(sch_file, "w", encoding="utf-8") as f: f.write(content) deleted_count = len(blocks_to_delete) logger.info(f"Deleted {deleted_count} instance(s) of {reference} from {sch_file.name}") return { "success": True, "reference": reference, "deleted_count": deleted_count, "schematic": str(sch_file), } except Exception as e: logger.error(f"Error deleting schematic component: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} # Built-in property names that have dedicated parameters and cannot be removed # via the generic removeProperties path. They are also written by KiCad on every # save, so deleting them produces an invalid schematic. _PROTECTED_PROPERTY_FIELDS = frozenset({"Reference", "Value", "Footprint", "Datasheet"}) @staticmethod def _escape_sexpr_string(value: str) -> str: """Escape a string for safe insertion into an S-expression double-quoted token.""" return value.replace("\\", "\\\\").replace('"', '\\"') @staticmethod def _find_matching_paren(s: str, start: int) -> int: """Return the index of the closing paren matching the opening paren at `start`. Returns -1 if no match is found. Does not understand string literals — that's fine for KiCAD .kicad_sch files because property values cannot contain a bare `(` or `)` character (they would be backslash-escaped). """ depth = 0 i = start while i < len(s): if s[i] == "(": depth += 1 elif s[i] == ")": depth -= 1 if depth == 0: return i i += 1 return -1 def _set_property_in_block( self, block: str, name: str, spec: Dict[str, Any], default_position: Tuple[float, float], ) -> Tuple[str, str]: """Add or update a property within a placed-symbol block. Args: block: The full text of the (symbol ...) block. name: Property name (e.g. "MPN", "Manufacturer"). spec: Dict that may contain keys: value, x, y, angle, hide, fontSize. default_position: (x, y) of the parent symbol — used as the default location for newly-created properties so the field is anchored near the component, not at (0, 0). Returns: Tuple of (new_block_text, action_taken) where action is "added" or "updated". """ import re new_value = spec.get("value") new_x = spec.get("x") new_y = spec.get("y") new_angle = spec.get("angle") new_hide = spec.get("hide") font_size = spec.get("fontSize", 1.27) existing_match = re.search( r'\(property\s+"' + re.escape(name) + r'"\s+"', block, ) if existing_match: # Property exists — patch value / position / hide in place if new_value is not None: escaped = self._escape_sexpr_string(str(new_value)) block = re.sub( r'(\(property\s+"' + re.escape(name) + r'"\s+)"[^"]*"', rf'\1"{escaped}"', block, count=1, ) if new_x is not None or new_y is not None or new_angle is not None: pos_match = re.search( r'(\(property\s+"' + re.escape(name) + r'"\s+"[^"]*"\s+\(at\s+)([\d\.\-]+)\s+([\d\.\-]+)\s+([\d\.\-]+)(\s*\))', block, ) if pos_match: cx = new_x if new_x is not None else float(pos_match.group(2)) cy = new_y if new_y is not None else float(pos_match.group(3)) ca = new_angle if new_angle is not None else float(pos_match.group(4)) block = ( block[: pos_match.start()] + pos_match.group(1) + f"{cx} {cy} {ca}" + pos_match.group(5) + block[pos_match.end() :] ) if new_hide is not None: block = self._set_hide_on_property(block, name, bool(new_hide)) return block, "updated" # Property does not exist — append a new one after the last existing property if new_value is None: # Adding a brand-new property requires at least a value raise ValueError( f"Property '{name}' does not exist on this component yet — supply a value to create it" ) cx = new_x if new_x is not None else default_position[0] cy = new_y if new_y is not None else default_position[1] ca = new_angle if new_angle is not None else 0 # New properties default to hidden (BOM/sourcing data normally has no # visible footprint on the schematic canvas). hide_str = "(hide yes)" if (new_hide is None or new_hide) else "(hide no)" escaped = self._escape_sexpr_string(str(new_value)) escaped_name = self._escape_sexpr_string(str(name)) new_prop = ( f' (property "{escaped_name}" "{escaped}" (at {cx} {cy} {ca})\n' f" (effects (font (size {font_size} {font_size})) {hide_str})\n" f" )" ) # Find the last existing property block and insert immediately after it. last_prop_end = -1 for m in re.finditer(r'\(property\s+"', block): end = self._find_matching_paren(block, m.start()) if end > last_prop_end: last_prop_end = end if last_prop_end < 0: # No properties at all — insert just before the closing paren of the symbol block_close = block.rfind(")") if block_close < 0: raise ValueError("Malformed symbol block: no closing paren") block = block[:block_close] + "\n" + new_prop + "\n " + block[block_close:] else: block = block[: last_prop_end + 1] + "\n" + new_prop + block[last_prop_end + 1 :] return block, "added" def _set_hide_on_property(self, block: str, name: str, hide: bool) -> str: """Set the (hide yes|no) flag on a named property's effects clause. Handles three pre-existing forms: (effects (font (size 1.27 1.27))) — no hide flag (effects (font (size 1.27 1.27)) hide) — legacy bare token (effects (font (size 1.27 1.27)) (hide yes|no)) — KiCad 9 form """ import re prop_match = re.search( r'\(property\s+"' + re.escape(name) + r'"', block, ) if not prop_match: return block prop_start = prop_match.start() prop_end = self._find_matching_paren(block, prop_start) if prop_end < 0: return block # Locate the (effects ...) clause inside the property prop_segment = block[prop_start : prop_end + 1] eff_match = re.search(r"\(effects\b", prop_segment) if not eff_match: return block eff_start = prop_start + eff_match.start() eff_end = self._find_matching_paren(block, eff_start) if eff_end < 0: return block eff_inner = block[eff_start + 1 : eff_end] # 'effects (font ...) ...' eff_inner = re.sub(r"\s*\(hide\s+(yes|no)\)", "", eff_inner) eff_inner = re.sub(r"\s+hide\b(?!\s+(yes|no))", "", eff_inner) eff_inner = eff_inner.rstrip() + f' (hide {"yes" if hide else "no"})' new_effects = "(" + eff_inner + ")" return block[:eff_start] + new_effects + block[eff_end + 1 :] def _remove_property_from_block(self, block: str, name: str) -> Tuple[str, bool]: """Remove a property from the symbol block. Returns (new_block, removed_bool).""" import re m = re.search(r'\(property\s+"' + re.escape(name) + r'"\s+"', block) if not m: return block, False start = m.start() end = self._find_matching_paren(block, start) if end < 0: return block, False # Trim surrounding whitespace (leading newline + indent) so the resulting # file does not develop blank lines after every removal. trim_start = start while trim_start > 0 and block[trim_start - 1] in (" ", "\t"): trim_start -= 1 if trim_start > 0 and block[trim_start - 1] == "\n": trim_start -= 1 return block[:trim_start] + block[end + 1 :], True def _handle_edit_schematic_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """Update properties of a placed symbol in a schematic. Supports updating the standard fields (footprint / value / reference rename), repositioning field labels, and managing **arbitrary custom properties** (MPN, Manufacturer, Distributor part numbers, Voltage, Dielectric, Tolerance, LCSC, etc.) used by BOM/CPL exporters and JLCPCB / Digi-Key sourcing. Uses text-based in-place editing — preserves position, UUID, and all unrelated fields. """ logger.info("Editing schematic component") try: import re from pathlib import Path schematic_path = params.get("schematicPath") reference = params.get("reference") new_footprint = params.get("footprint") new_value = params.get("value") new_reference = params.get("newReference") # dict: {"Reference": {"x": 1, "y": 2, "angle": 0}} field_positions = params.get("fieldPositions") # dict: {"MPN": "RC0603FR-0710KL"} OR {"MPN": {"value": "...", "hide": true}} properties = params.get("properties") # list[str]: ["OldField"] — protected built-ins are rejected remove_properties = params.get("removeProperties") if not schematic_path: return {"success": False, "message": "schematicPath is required"} if not reference: return {"success": False, "message": "reference is required"} if not any( [ new_footprint is not None, new_value is not None, new_reference is not None, field_positions is not None, properties is not None, remove_properties is not None, ] ): return { "success": False, "message": ( "At least one of footprint, value, newReference, fieldPositions, " "properties, or removeProperties must be provided" ), } # Reject removal attempts targeting protected built-in fields up-front if remove_properties: blocked = [n for n in remove_properties if n in self._PROTECTED_PROPERTY_FIELDS] if blocked: return { "success": False, "message": ( f"Cannot remove built-in field(s) {blocked}: use the dedicated " "value/footprint/newReference parameters or set the value to ''" ), } sch_file = Path(schematic_path) if not sch_file.exists(): return { "success": False, "message": f"Schematic not found: {schematic_path}", } with open(sch_file, "r", encoding="utf-8") as f: content = f.read() # Skip lib_symbols section lib_sym_pos = content.find("(lib_symbols") lib_sym_end = ( self._find_matching_paren(content, lib_sym_pos) if lib_sym_pos >= 0 else -1 ) # Find placed symbol blocks that match the reference. KiCAD may # serialise the children of (symbol ...) in different orders — # `(symbol (lib_id "..."))` is the common case but rescued or # locally-customised symbols carry an extra `(lib_name "...")` # before the lib_id: `(symbol (lib_name "...") (lib_id "..."))`. # Match any opening paren after `(symbol`; the lib_symbols range # check below excludes library-definition symbols, which use the # `(symbol "name" ...)` form (quoted string, not paren). block_start = block_end = None search_start = 0 pattern = re.compile(r"\(symbol\s+\(") while True: m = pattern.search(content, search_start) if not m: break pos = m.start() # Skip if inside lib_symbols section if lib_sym_pos >= 0 and lib_sym_pos <= pos <= lib_sym_end: search_start = lib_sym_end + 1 continue end = self._find_matching_paren(content, pos) if end < 0: search_start = pos + 1 continue block_text = content[pos : end + 1] if re.search( r'\(property\s+"Reference"\s+"' + re.escape(reference) + r'"', block_text, ): block_start, block_end = pos, end break search_start = end + 1 if block_start is None or block_end is None: return { "success": False, "message": f"Component '{reference}' not found in schematic", } # Apply property replacements within the found block block_text = content[block_start : block_end + 1] # Determine the parent symbol position so that newly-added properties # default to a sensible location (anchored near the component). # KiCAD always emits the symbol's own (at x y angle) before any # (property ...) child blocks, so the FIRST (at ...) inside the # symbol block is the symbol origin regardless of whether # (lib_name ...) precedes (lib_id ...). comp_at = re.search( r"\(at\s+([\d\.\-]+)\s+([\d\.\-]+)", block_text, ) comp_origin: Tuple[float, float] = ( (float(comp_at.group(1)), float(comp_at.group(2))) if comp_at else (0.0, 0.0) ) if new_footprint is not None: escaped_fp = self._escape_sexpr_string(str(new_footprint)) block_text = re.sub( r'(\(property\s+"Footprint"\s+)"[^"]*"', rf'\1"{escaped_fp}"', block_text, ) if new_value is not None: escaped_v = self._escape_sexpr_string(str(new_value)) block_text = re.sub( r'(\(property\s+"Value"\s+)"[^"]*"', rf'\1"{escaped_v}"', block_text, ) if new_reference is not None: escaped_r = self._escape_sexpr_string(str(new_reference)) block_text = re.sub( r'(\(property\s+"Reference"\s+)"[^"]*"', rf'\1"{escaped_r}"', block_text, ) # Also update the (reference "...") leaves inside the symbol's # (instances) → (project) → (path) subtree. KiCad reads those # entries — not the (property "Reference" ...) field — when # generating netlists and syncing the PCB via "Update PCB from # Schematic", so leaving them stale produces a silent # reference mismatch where eeschema shows the new ref but ERC # / netlist export / PCB sync all use the old one. See #126. instances_pos = block_text.find("(instances") if instances_pos >= 0: instances_end = self._find_matching_paren(block_text, instances_pos) if instances_end >= 0: instances_block = block_text[instances_pos : instances_end + 1] updated_instances = re.sub( r'(\(reference\s+)"' + re.escape(reference) + r'"', rf'\1"{escaped_r}"', instances_block, ) block_text = ( block_text[:instances_pos] + updated_instances + block_text[instances_end + 1 :] ) if field_positions is not None: for field_name, pos in field_positions.items(): x = pos.get("x", 0) y = pos.get("y", 0) angle = pos.get("angle", 0) block_text = re.sub( r'(\(property\s+"' + re.escape(field_name) + r'"\s+"[^"]*"\s+)\(at\s+[\d\.\-]+\s+[\d\.\-]+\s+[\d\.\-]+\s*\)', rf"\1(at {x} {y} {angle})", block_text, ) properties_added: Dict[str, Any] = {} properties_updated: Dict[str, Any] = {} if properties: if not isinstance(properties, dict): return { "success": False, "message": "properties must be a dict mapping property name -> value or spec", } for name, spec in properties.items(): if not isinstance(name, str) or not name: return { "success": False, "message": f"Invalid property name: {name!r}", } # Normalise scalar values to a spec dict with just {"value": ...} if not isinstance(spec, dict): spec = {"value": spec} try: block_text, action = self._set_property_in_block( block_text, name, spec, comp_origin ) except ValueError as ve: return {"success": False, "message": str(ve)} target = properties_added if action == "added" else properties_updated target[name] = spec.get("value") properties_removed: list = [] if remove_properties: if not isinstance(remove_properties, list): return { "success": False, "message": "removeProperties must be a list of property names", } for name in remove_properties: block_text, removed = self._remove_property_from_block(block_text, name) if removed: properties_removed.append(name) content = content[:block_start] + block_text + content[block_end + 1 :] with open(sch_file, "w", encoding="utf-8") as f: f.write(content) changes: Dict[str, Any] = { k: v for k, v in { "footprint": new_footprint, "value": new_value, "reference": new_reference, }.items() if v is not None } if field_positions is not None: changes["fieldPositions"] = field_positions if properties_added: changes["propertiesAdded"] = properties_added if properties_updated: changes["propertiesUpdated"] = properties_updated if properties_removed: changes["propertiesRemoved"] = properties_removed logger.info(f"Edited schematic component {reference}: {changes}") return {"success": True, "reference": reference, "updated": changes} except Exception as e: logger.error(f"Error editing schematic component: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_set_schematic_component_property(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add or update a single property on a placed schematic symbol. Convenience wrapper around `edit_schematic_component` for the very common case of setting one BOM/sourcing field at a time. The property is created if it does not already exist, otherwise its value (and optionally its position / visibility) is updated in place. """ logger.info("Setting schematic component property") name = params.get("name") if not isinstance(name, str) or not name: return {"success": False, "message": "name is required"} if "value" not in params: return {"success": False, "message": "value is required"} spec: Dict[str, Any] = {"value": params["value"]} for key in ("x", "y", "angle", "hide", "fontSize"): if params.get(key) is not None: spec[key] = params[key] return self._handle_edit_schematic_component( { "schematicPath": params.get("schematicPath"), "reference": params.get("reference"), "properties": {name: spec}, } ) def _handle_remove_schematic_component_property(self, params: Dict[str, Any]) -> Dict[str, Any]: """Remove a single custom property from a placed schematic symbol. Built-in fields (Reference, Value, Footprint, Datasheet) cannot be removed — use `edit_schematic_component` to clear them instead. """ logger.info("Removing schematic component property") name = params.get("name") if not isinstance(name, str) or not name: return {"success": False, "message": "name is required"} return self._handle_edit_schematic_component( { "schematicPath": params.get("schematicPath"), "reference": params.get("reference"), "removeProperties": [name], } ) def _handle_get_schematic_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """Return full component info: position and all field values with their (at x y angle) positions.""" logger.info("Getting schematic component info") try: import re from pathlib import Path schematic_path = params.get("schematicPath") reference = params.get("reference") if not schematic_path: return {"success": False, "message": "schematicPath is required"} if not reference: return {"success": False, "message": "reference is required"} sch_file = Path(schematic_path) if not sch_file.exists(): return { "success": False, "message": f"Schematic not found: {schematic_path}", } with open(sch_file, "r", encoding="utf-8") as f: content = f.read() def find_matching_paren(s: str, start: int) -> int: depth = 0 i = start while i < len(s): if s[i] == "(": depth += 1 elif s[i] == ")": depth -= 1 if depth == 0: return i i += 1 return -1 # Skip lib_symbols section lib_sym_pos = content.find("(lib_symbols") lib_sym_end = find_matching_paren(content, lib_sym_pos) if lib_sym_pos >= 0 else -1 # Find the placed symbol block for this reference. KiCAD may emit # the children of (symbol ...) in different orders — most commonly # `(symbol (lib_id "..."))`, but symbols whose library entry has # been rescued / customised carry an extra `(lib_name "...")` first # (`(symbol (lib_name "...") (lib_id "..."))`). Match `(symbol\s+(` # — any opening paren — to handle both. The lib_symbols range check # below excludes library-definition symbols, which use the # `(symbol "name" ...)` form (quoted string, not paren). block_start = block_end = None search_start = 0 pattern = re.compile(r"\(symbol\s+\(") while True: m = pattern.search(content, search_start) if not m: break pos = m.start() if lib_sym_pos >= 0 and lib_sym_pos <= pos <= lib_sym_end: search_start = lib_sym_end + 1 continue end = find_matching_paren(content, pos) if end < 0: search_start = pos + 1 continue block_text = content[pos : end + 1] if re.search( r'\(property\s+"Reference"\s+"' + re.escape(reference) + r'"', block_text, ): block_start, block_end = pos, end break search_start = end + 1 if block_start is None or block_end is None: return { "success": False, "message": f"Component '{reference}' not found in schematic", } block_text = content[block_start : block_end + 1] # Extract component position: the first (at x y angle) inside the # symbol block. KiCAD always writes the symbol's own (at) before # any (property ...) child blocks, so the first match is the # symbol origin regardless of the (lib_name)/(lib_id) ordering. comp_at = re.search( r"\(at\s+([\d\.\-]+)\s+([\d\.\-]+)\s+([\d\.\-]+)\s*\)", block_text, ) if comp_at: comp_pos = { "x": float(comp_at.group(1)), "y": float(comp_at.group(2)), "angle": float(comp_at.group(3)), } else: comp_pos = None # Extract all properties with their at positions prop_pattern = re.compile( r'\(property\s+"([^"]*)"\s+"([^"]*)"\s+\(at\s+([\d\.\-]+)\s+([\d\.\-]+)\s+([\d\.\-]+)\s*\)' ) fields = {} for m in prop_pattern.finditer(block_text): name, value, x, y, angle = ( m.group(1), m.group(2), m.group(3), m.group(4), m.group(5), ) fields[name] = { "value": value, "x": float(x), "y": float(y), "angle": float(angle), } return { "success": True, "reference": reference, "position": comp_pos, "fields": fields, } except Exception as e: logger.error(f"Error getting schematic component: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_add_schematic_wire(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add a wire to a schematic using WireManager, with optional pin snapping""" logger.info("Adding wire to schematic") try: from pathlib import Path from commands.wire_manager import WireManager schematic_path = params.get("schematicPath") points = params.get("waypoints") properties = params.get("properties", {}) snap_to_pins = params.get("snapToPins", True) snap_tolerance = params.get("snapTolerance", 1.0) if not schematic_path: return {"success": False, "message": "Schematic path is required"} if not points or len(points) < 2: return { "success": False, "message": "At least 2 waypoints are required", } # Make a mutable copy of points points = [list(p) for p in points] # Pin snapping: adjust first and last endpoints to nearest pin snapped_info = [] if snap_to_pins: from commands.pin_locator import PinLocator locator = PinLocator() sch_path = Path(schematic_path) # Load schematic to iterate all symbols from skip import Schematic as SkipSchematic sch = SkipSchematic(str(sch_path)) # Collect all pin locations: list of (ref, pin_num, [x, y]) all_pins = [] for symbol in sch.symbol: if not hasattr(symbol.property, "Reference"): continue ref = symbol.property.Reference.value if ref.startswith("_TEMPLATE"): continue pin_locs = locator.get_all_symbol_pins(sch_path, ref) for pin_num, coords in pin_locs.items(): all_pins.append((ref, pin_num, coords)) def find_nearest_pin(point: Any, tolerance: Any) -> Any: """Find the nearest pin within tolerance of a point.""" best = None best_dist = tolerance for ref, pin_num, coords in all_pins: dx = point[0] - coords[0] dy = point[1] - coords[1] dist = (dx * dx + dy * dy) ** 0.5 if dist <= best_dist: best_dist = dist best = (ref, pin_num, coords) return best # Snap first endpoint match = find_nearest_pin(points[0], snap_tolerance) if match: ref, pin_num, coords = match logger.info( f"Snapped start point {points[0]} -> {coords} (pin {ref}/{pin_num})" ) snapped_info.append( f"start snapped to {ref}/{pin_num} at [{coords[0]}, {coords[1]}]" ) points[0] = list(coords) # Snap last endpoint match = find_nearest_pin(points[-1], snap_tolerance) if match: ref, pin_num, coords = match logger.info(f"Snapped end point {points[-1]} -> {coords} (pin {ref}/{pin_num})") snapped_info.append( f"end snapped to {ref}/{pin_num} at [{coords[0]}, {coords[1]}]" ) points[-1] = list(coords) # Extract wire properties stroke_width = properties.get("stroke_width", 0) stroke_type = properties.get("stroke_type", "default") # Use WireManager for S-expression manipulation if len(points) == 2: success = WireManager.add_wire( Path(schematic_path), points[0], points[1], stroke_width=stroke_width, stroke_type=stroke_type, ) else: success = WireManager.add_polyline_wire( Path(schematic_path), points, stroke_width=stroke_width, stroke_type=stroke_type, ) if success: message = "Wire added successfully" if snapped_info: message += "; " + "; ".join(snapped_info) return {"success": True, "message": message} else: return {"success": False, "message": "Failed to add wire"} except Exception as e: logger.error(f"Error adding wire to schematic: {str(e)}") import traceback logger.error(traceback.format_exc()) return { "success": False, "message": str(e), "errorDetails": traceback.format_exc(), } def _handle_list_schematic_libraries(self, params: Dict[str, Any]) -> Dict[str, Any]: """List available symbol libraries""" logger.info("Listing schematic libraries") try: search_paths = params.get("searchPaths") libraries = SchematicLibraryManager.list_available_libraries(search_paths) return {"success": True, "libraries": libraries} except Exception as e: logger.error(f"Error listing schematic libraries: {str(e)}") return {"success": False, "message": str(e)} def _handle_find_unconnected_pins(self, params: Dict[str, Any]) -> Dict[str, Any]: """List component pins with no wire/label/power symbol touching them""" logger.info("Finding unconnected pins") try: from commands.schematic_analysis import find_unconnected_pins schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} result = find_unconnected_pins(schematic_path) return {"success": True, **result} except ImportError: return { "success": False, "message": "schematic_analysis module not available", } except Exception as e: logger.error(f"Error finding unconnected pins: {e}") return {"success": False, "message": str(e)} def _handle_check_wire_collisions(self, params: Dict[str, Any]) -> Dict[str, Any]: """Detect wires passing through component bodies without connecting to pins""" logger.info("Checking wire collisions") try: from commands.schematic_analysis import check_wire_collisions schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} result = check_wire_collisions(schematic_path) return {"success": True, **result} except ImportError: return { "success": False, "message": "schematic_analysis module not available", } except Exception as e: logger.error(f"Error checking wire collisions: {e}") return {"success": False, "message": str(e)} # ------------------------------------------------------------------ # # Footprint handlers # # ------------------------------------------------------------------ # def _handle_create_footprint(self, params: Dict[str, Any]) -> Dict[str, Any]: """Create a new .kicad_mod footprint file in a .pretty library.""" logger.info(f"create_footprint: {params.get('name')} in {params.get('libraryPath')}") try: creator = FootprintCreator() return creator.create_footprint( library_path=params.get("libraryPath", ""), name=params.get("name", ""), description=params.get("description", ""), tags=params.get("tags", ""), pads=params.get("pads", []), courtyard=params.get("courtyard"), silkscreen=params.get("silkscreen"), fab_layer=params.get("fabLayer"), ref_position=params.get("refPosition"), value_position=params.get("valuePosition"), overwrite=params.get("overwrite", False), ) except Exception as e: logger.error(f"create_footprint error: {e}") return {"success": False, "error": str(e)} def _handle_edit_footprint_pad(self, params: Dict[str, Any]) -> Dict[str, Any]: """Edit an existing pad in a .kicad_mod file.""" logger.info( f"edit_footprint_pad: pad {params.get('padNumber')} in {params.get('footprintPath')}" ) try: creator = FootprintCreator() return creator.edit_footprint_pad( footprint_path=params.get("footprintPath", ""), pad_number=str(params.get("padNumber", "1")), size=params.get("size"), at=params.get("at"), drill=params.get("drill"), shape=params.get("shape"), ) except Exception as e: logger.error(f"edit_footprint_pad error: {e}") return {"success": False, "error": str(e)} def _handle_list_footprint_libraries(self, params: Dict[str, Any]) -> Dict[str, Any]: """List .pretty footprint libraries and their contents.""" logger.info("list_footprint_libraries") try: creator = FootprintCreator() return creator.list_footprint_libraries(search_paths=params.get("searchPaths")) except Exception as e: logger.error(f"list_footprint_libraries error: {e}") return {"success": False, "error": str(e)} def _handle_register_footprint_library(self, params: Dict[str, Any]) -> Dict[str, Any]: """Register a .pretty library in KiCAD's fp-lib-table.""" logger.info(f"register_footprint_library: {params.get('libraryPath')}") try: creator = FootprintCreator() return creator.register_footprint_library( library_path=params.get("libraryPath", ""), library_name=params.get("libraryName"), description=params.get("description", ""), scope=params.get("scope", "project"), project_path=params.get("projectPath"), ) except Exception as e: logger.error(f"register_footprint_library error: {e}") return {"success": False, "error": str(e)} # ------------------------------------------------------------------ # # Symbol creator handlers # # ------------------------------------------------------------------ # def _handle_create_symbol(self, params: Dict[str, Any]) -> Dict[str, Any]: """Create a new symbol in a .kicad_sym library.""" logger.info(f"create_symbol: {params.get('name')} in {params.get('libraryPath')}") try: creator = SymbolCreator() return creator.create_symbol( library_path=params.get("libraryPath", ""), name=params.get("name", ""), reference_prefix=params.get("referencePrefix", "U"), description=params.get("description", ""), keywords=params.get("keywords", ""), datasheet=params.get("datasheet", "~"), footprint=params.get("footprint", ""), in_bom=params.get("inBom", True), on_board=params.get("onBoard", True), pins=params.get("pins", []), rectangles=params.get("rectangles", []), polylines=params.get("polylines", []), overwrite=params.get("overwrite", False), ) except Exception as e: logger.error(f"create_symbol error: {e}") return {"success": False, "error": str(e)} def _handle_delete_symbol(self, params: Dict[str, Any]) -> Dict[str, Any]: """Delete a symbol from a .kicad_sym library.""" logger.info(f"delete_symbol: {params.get('name')} from {params.get('libraryPath')}") try: creator = SymbolCreator() return creator.delete_symbol( library_path=params.get("libraryPath", ""), name=params.get("name", ""), ) except Exception as e: logger.error(f"delete_symbol error: {e}") return {"success": False, "error": str(e)} def _handle_list_symbols_in_library(self, params: Dict[str, Any]) -> Dict[str, Any]: """List all symbols in a .kicad_sym file.""" logger.info(f"list_symbols_in_library: {params.get('libraryPath')}") try: creator = SymbolCreator() return creator.list_symbols( library_path=params.get("libraryPath", ""), ) except Exception as e: logger.error(f"list_symbols_in_library error: {e}") return {"success": False, "error": str(e)} def _handle_register_symbol_library(self, params: Dict[str, Any]) -> Dict[str, Any]: """Register a .kicad_sym library in KiCAD's sym-lib-table.""" logger.info(f"register_symbol_library: {params.get('libraryPath')}") try: creator = SymbolCreator() return creator.register_symbol_library( library_path=params.get("libraryPath", ""), library_name=params.get("libraryName"), description=params.get("description", ""), scope=params.get("scope", "project"), project_path=params.get("projectPath"), ) except Exception as e: logger.error(f"register_symbol_library error: {e}") return {"success": False, "error": str(e)} def _handle_export_schematic_pdf(self, params: Dict[str, Any]) -> Dict[str, Any]: """Export schematic to PDF""" logger.info("Exporting schematic to PDF") try: schematic_path = params.get("schematicPath") output_path = params.get("outputPath") if not schematic_path: return {"success": False, "message": "Schematic path is required"} if not output_path: return {"success": False, "message": "Output path is required"} if not os.path.exists(schematic_path): return { "success": False, "message": f"Schematic not found: {schematic_path}", } import subprocess cmd = [ "kicad-cli", "sch", "export", "pdf", "--output", output_path, schematic_path, ] if params.get("blackAndWhite"): cmd.insert(-1, "--black-and-white") result = subprocess.run(cmd, capture_output=True, text=True, timeout=60) if result.returncode == 0: return {"success": True, "file": {"path": output_path}} else: return { "success": False, "message": f"kicad-cli failed: {result.stderr}", } except FileNotFoundError: return {"success": False, "message": "kicad-cli not found in PATH"} except Exception as e: logger.error(f"Error exporting schematic to PDF: {str(e)}") return {"success": False, "message": str(e)} def _handle_add_schematic_net_label(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add a net label to schematic using WireManager. When componentRef and pinNumber are supplied the label is placed at the exact pin endpoint retrieved via PinLocator, ignoring the provided position. The response includes the actual coordinates used and whether the label landed on a pin endpoint. """ logger.info("Adding net label to schematic") try: from pathlib import Path from commands.wire_manager import WireManager schematic_path = params.get("schematicPath") net_name = params.get("netName") position = params.get("position") label_type = params.get("labelType", "label") orientation = params.get("orientation", 0) component_ref = params.get("componentRef") pin_number = params.get("pinNumber") if not all([schematic_path, net_name]): return { "success": False, "message": "Missing required parameters: schematicPath, netName", } snapped_to_pin: Optional[Dict[str, Any]] = None if component_ref and pin_number: # Snap position to exact pin endpoint using PinLocator from commands.pin_locator import PinLocator locator = PinLocator() pin_loc = locator.get_pin_location( Path(schematic_path), component_ref, str(pin_number) ) if pin_loc is None: return { "success": False, "message": ( f"Could not locate pin {pin_number} on {component_ref}. " "Check the reference and pin number." ), } position = pin_loc snapped_to_pin = {"component": component_ref, "pin": str(pin_number)} logger.info( f"Snapped label '{net_name}' to pin {component_ref}/{pin_number} at {position}" ) elif position is None: return { "success": False, "message": ( "Missing position. Either provide position [x, y] or " "componentRef + pinNumber to snap to a pin endpoint." ), } # Collect existing net names BEFORE adding the new label so we can # detect case-mismatch collisions against pre-existing nets only. existing_net_names: List[str] = [] try: pre_schematic = SchematicManager.load_schematic(schematic_path) if pre_schematic is not None: if hasattr(pre_schematic, "label"): for lbl in pre_schematic.label: if hasattr(lbl, "value"): existing_net_names.append(lbl.value) if hasattr(pre_schematic, "global_label"): for lbl in pre_schematic.global_label: if hasattr(lbl, "value"): existing_net_names.append(lbl.value) except Exception: # Non-fatal: if we can't read existing nets, skip the warning existing_net_names = [] # Use WireManager for S-expression manipulation success = WireManager.add_label( Path(schematic_path), net_name, position, label_type=label_type, orientation=orientation, ) if not success: return {"success": False, "message": "Failed to add net label"} # Compute case-mismatch warnings against pre-existing net names. # A collision is: existing name != new name, but lowercases match. new_name_lower = net_name.lower() case_warnings: List[str] = [ f"Net '{existing}' already exists — label '{net_name}' may be a case mismatch." for existing in existing_net_names if existing.lower() == new_name_lower and existing != net_name ] response: Dict[str, Any] = { "success": True, "message": f"Added net label '{net_name}' at {position}", "actual_position": position, } if snapped_to_pin: response["snapped_to_pin"] = snapped_to_pin response["message"] = ( f"Added net label '{net_name}' at exact pin endpoint " f"{component_ref}/{pin_number} ({position[0]}, {position[1]})" ) if case_warnings: response["case_warnings"] = case_warnings return response except Exception as e: logger.error(f"Error adding net label: {str(e)}") import traceback logger.error(traceback.format_exc()) return { "success": False, "message": str(e), "errorDetails": traceback.format_exc(), } def _handle_add_no_connect(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add a no-connect flag (X marker) to an unconnected pin in the schematic.""" logger.info("Adding no-connect flag to schematic") try: from pathlib import Path from commands.pin_locator import PinLocator from commands.wire_manager import WireManager schematic_path = params.get("schematicPath") position = params.get("position") component_ref = params.get("componentRef") pin_number = params.get("pinNumber") if not schematic_path: return {"success": False, "message": "schematicPath is required"} # Snap to pin endpoint when componentRef + pinNumber are provided snapped_to_pin = None if component_ref and pin_number is not None: locator = PinLocator() pin_loc = locator.get_pin_location( Path(schematic_path), component_ref, str(pin_number) ) if pin_loc is None: return { "success": False, "message": f"Could not locate pin {pin_number} on {component_ref}", } position = pin_loc snapped_to_pin = {"component": component_ref, "pin": str(pin_number)} elif position is None: return { "success": False, "message": "Provide either position [x, y] or componentRef + pinNumber", } success = WireManager.add_no_connect(Path(schematic_path), position) if success: result = { "success": True, "message": f"Added no-connect flag at {position}", "actual_position": position, } if snapped_to_pin: result["snapped_to_pin"] = snapped_to_pin return result else: return {"success": False, "message": "Failed to add no-connect flag"} except Exception as e: import traceback logger.error(f"Error adding no-connect: {e}") return { "success": False, "message": str(e), "errorDetails": traceback.format_exc(), } def _handle_connect_to_net(self, params: Dict[str, Any]) -> Dict[str, Any]: """Connect a component pin to a named net using wire stub and label, and also assign the net to the corresponding pad on the PCB board so that save_project persists the net (pcbnew.SaveBoard only writes nets that are referenced by at least one board element). """ logger.info("Connecting component pin to net") try: from pathlib import Path schematic_path = params.get("schematicPath") component_ref = params.get("componentRef") pin_name = params.get("pinName") net_name = params.get("netName") if not all([schematic_path, component_ref, pin_name, net_name]): return {"success": False, "message": "Missing required parameters"} # Use ConnectionManager with new WireManager integration result = ConnectionManager.connect_to_net( Path(schematic_path), component_ref, pin_name, net_name ) # Also assign the net to the pad on the PCB board if self.board and isinstance(result, dict) and result.get("success"): try: if self._assign_net_to_pad(component_ref, pin_name, net_name): msg = result.get("message", "") result["message"] = (msg + " (PCB pad also updated)").strip() except Exception as pcb_err: logger.warning(f"Could not assign net to PCB pad: {pcb_err}") return result except Exception as e: logger.error(f"Error connecting to net: {str(e)}") import traceback logger.error(traceback.format_exc()) return { "success": False, "message": str(e), "errorDetails": traceback.format_exc(), } def _handle_connect_passthrough(self, params: Dict[str, Any]) -> Dict[str, Any]: """Connect all pins of source connector to matching pins of target connector""" logger.info("Connecting passthrough between two connectors") try: from pathlib import Path schematic_path = params.get("schematicPath") source_ref = params.get("sourceRef") target_ref = params.get("targetRef") net_prefix = params.get("netPrefix", "PIN") pin_offset = int(params.get("pinOffset", 0)) if not all([schematic_path, source_ref, target_ref]): return { "success": False, "message": "Missing required parameters: schematicPath, sourceRef, targetRef", } result = ConnectionManager.connect_passthrough( Path(schematic_path), source_ref, target_ref, net_prefix, pin_offset ) # Also assign nets to PCB pads for each successfully connected pin pcb_assigned = 0 if self.board: import re as _re for conn_info in result.get("connected", []): # Expected format: "{src_ref}/{pin} <-> {tgt_ref}/{pin} [{net}]" try: parts = conn_info.split(" <-> ") if len(parts) != 2: continue src_part = parts[0] rest = parts[1] bracket_match = _re.search(r"\[(.+)\]", rest) tgt_part = rest.split(" [")[0] if " [" in rest else rest net_name = bracket_match.group(1) if bracket_match else None if not net_name: continue src_ref_pin = src_part.split("/") tgt_ref_pin = tgt_part.split("/") if len(src_ref_pin) == 2 and self._assign_net_to_pad( src_ref_pin[0], src_ref_pin[1], net_name ): pcb_assigned += 1 if len(tgt_ref_pin) == 2 and self._assign_net_to_pad( tgt_ref_pin[0], tgt_ref_pin[1], net_name ): pcb_assigned += 1 except Exception as parse_err: logger.debug( f"Could not parse passthrough result for PCB assignment: {parse_err}" ) n_ok = len(result["connected"]) n_fail = len(result["failed"]) msg = f"Passthrough complete: {n_ok} connected, {n_fail} failed" if pcb_assigned: msg += f" ({pcb_assigned} PCB pads updated)" return { "success": n_fail == 0, "message": msg, "connected": result["connected"], "failed": result["failed"], } except Exception as e: logger.error(f"Error in connect_passthrough: {str(e)}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _assign_net_to_pad(self, component_ref: str, pin_name: str, net_name: str) -> bool: """Assign a net to a specific pad on the PCB board. Ensures the net exists on the board and sets it on the matching pad. Needed because pcbnew.SaveBoard() drops nets that are not referenced by any board element (pad/track/via/zone). Returns True if the pad was found and updated. """ board = self.board if not board: return False netinfo = board.GetNetInfo() nets_map = netinfo.NetsByName() if not nets_map.has_key(net_name): net_item = pcbnew.NETINFO_ITEM(board, net_name) board.Add(net_item) netinfo = board.GetNetInfo() nets_map = netinfo.NetsByName() if not nets_map.has_key(net_name): logger.warning(f"Net '{net_name}' could not be created on board") return False net_obj = nets_map[net_name] for fp in board.GetFootprints(): if fp.GetReference() == component_ref: for pad in fp.Pads(): if str(pad.GetNumber()) == str(pin_name): pad.SetNet(net_obj) logger.info( f"Assigned net '{net_name}' to pad {component_ref}/{pin_name} on PCB" ) return True logger.warning(f"Pad '{pin_name}' not found on footprint '{component_ref}'") return False logger.warning(f"Footprint '{component_ref}' not found on board") return False def _handle_get_schematic_pin_locations(self, params: Dict[str, Any]) -> Dict[str, Any]: """Return exact pin endpoint coordinates for a schematic component""" logger.info("Getting schematic pin locations") try: from pathlib import Path from commands.pin_locator import PinLocator schematic_path = params.get("schematicPath") reference = params.get("reference") if not all([schematic_path, reference]): return { "success": False, "message": "Missing required parameters: schematicPath, reference", } locator = PinLocator() all_pins = locator.get_all_symbol_pins(Path(schematic_path), reference) if not all_pins: return { "success": False, "message": f"No pins found for {reference} — check reference and schematic path", } # Enrich with pin names and angles from the symbol definition pins_def = ( locator.get_symbol_pins( Path(schematic_path), locator._get_lib_id(Path(schematic_path), reference), ) if hasattr(locator, "_get_lib_id") else {} ) result = {} for pin_num, coords in all_pins.items(): entry = {"x": coords[0], "y": coords[1]} if pin_num in pins_def: entry["name"] = pins_def[pin_num].get("name", pin_num) entry["angle"] = ( locator.get_pin_angle(Path(schematic_path), reference, pin_num) or 0 ) result[pin_num] = entry return {"success": True, "reference": reference, "pins": result} except Exception as e: logger.error(f"Error getting pin locations: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_get_schematic_view(self, params: Dict[str, Any]) -> Dict[str, Any]: """Get a rasterised image of the schematic (SVG export → optional PNG conversion)""" logger.info("Getting schematic view") import base64 import subprocess import tempfile try: schematic_path = params.get("schematicPath") if not schematic_path or not os.path.exists(schematic_path): return { "success": False, "message": f"Schematic not found: {schematic_path}", } fmt = params.get("format", "png") width = params.get("width", 1200) height = params.get("height", 900) # Step 1: Export schematic to SVG via kicad-cli with tempfile.TemporaryDirectory() as tmpdir: svg_path = os.path.join(tmpdir, "schematic.svg") cmd = [ "kicad-cli", "sch", "export", "svg", "--output", tmpdir, "--no-background-color", schematic_path, ] result = subprocess.run(cmd, capture_output=True, text=True, timeout=60) if result.returncode != 0: return { "success": False, "message": f"kicad-cli SVG export failed: {result.stderr}", } # kicad-cli may name the file after the schematic, find it import glob svg_files = glob.glob(os.path.join(tmpdir, "*.svg")) if not svg_files: return { "success": False, "message": "No SVG file produced by kicad-cli", } svg_path = svg_files[0] if fmt == "svg": with open(svg_path, "r", encoding="utf-8") as f: svg_data = f.read() return {"success": True, "imageData": svg_data, "format": "svg"} # Step 2: Convert SVG to PNG using cairosvg try: from cairosvg import svg2png except ImportError: # Fallback: return SVG data with a note with open(svg_path, "r", encoding="utf-8") as f: svg_data = f.read() return { "success": True, "imageData": svg_data, "format": "svg", "message": "cairosvg not installed — returning SVG instead of PNG. Install with: pip install cairosvg", } png_data = svg2png(url=svg_path, output_width=width, output_height=height) return { "success": True, "imageData": base64.b64encode(png_data).decode("utf-8"), "format": "png", "width": width, "height": height, } except FileNotFoundError: return {"success": False, "message": "kicad-cli not found in PATH"} except Exception as e: logger.error(f"Error getting schematic view: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_list_schematic_components(self, params: Dict[str, Any]) -> Dict[str, Any]: """List all components in a schematic""" logger.info("Listing schematic components") try: from pathlib import Path from commands.pin_locator import PinLocator schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} sch_file = Path(schematic_path) if not sch_file.exists(): return { "success": False, "message": f"Schematic not found: {schematic_path}", } schematic = SchematicManager.load_schematic(schematic_path) if not schematic: return {"success": False, "message": "Failed to load schematic"} # Optional filters filter_params = params.get("filter", {}) lib_id_filter = filter_params.get("libId", "") ref_prefix_filter = filter_params.get("referencePrefix", "") locator = PinLocator() components = [] for symbol in schematic.symbol: if not hasattr(symbol.property, "Reference"): continue ref = symbol.property.Reference.value # Skip template symbols if ref.startswith("_TEMPLATE"): continue lib_id = symbol.lib_id.value if hasattr(symbol, "lib_id") else "" # Apply filters if lib_id_filter and lib_id_filter not in lib_id: continue if ref_prefix_filter and not ref.startswith(ref_prefix_filter): continue value = symbol.property.Value.value if hasattr(symbol.property, "Value") else "" footprint = ( symbol.property.Footprint.value if hasattr(symbol.property, "Footprint") else "" ) position = symbol.at.value if hasattr(symbol, "at") else [0, 0, 0] uuid_val = symbol.uuid.value if hasattr(symbol, "uuid") else "" comp = { "reference": ref, "libId": lib_id, "value": value, "footprint": footprint, "position": {"x": float(position[0]), "y": float(position[1])}, "rotation": float(position[2]) if len(position) > 2 else 0, "uuid": str(uuid_val), } # Get pins if available try: all_pins = locator.get_all_symbol_pins(sch_file, ref) if all_pins: pins_def = locator.get_symbol_pins(sch_file, lib_id) or {} pin_list = [] for pin_num, coords in all_pins.items(): pin_info = { "number": pin_num, "position": {"x": coords[0], "y": coords[1]}, } if pin_num in pins_def: pin_info["name"] = pins_def[pin_num].get("name", pin_num) pin_list.append(pin_info) comp["pins"] = pin_list except Exception: pass # Pin lookup is best-effort components.append(comp) return {"success": True, "components": components, "count": len(components)} except Exception as e: logger.error(f"Error listing schematic components: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_list_schematic_nets(self, params: Dict[str, Any]) -> Dict[str, Any]: """List all nets in a schematic with their connections""" logger.info("Listing schematic nets") try: from commands.wire_connectivity import ( _build_adjacency, _discover_sub_sheets, _load_sexp, _parse_labels_sexp, _parse_virtual_connections, _parse_wires, count_pins_on_net, get_connections_for_net, ) schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} schematic = SchematicManager.load_schematic(schematic_path) if not schematic: return {"success": False, "message": "Failed to load schematic"} # Collect net names from the top-level sheet using sexpdata. # Falls back to kicad-skip's label collections when the file # cannot be read (e.g. mocked schematics in unit tests). net_names: set = set() sexp_loaded = False try: sexp = _load_sexp(schematic_path) sexp_loaded = True _, label_to_points = _parse_labels_sexp(sexp) net_names.update(label_to_points.keys()) except Exception as e: logger.debug( f"Could not parse labels from {schematic_path} via sexp ({e}); " "falling back to kicad-skip label collections" ) for attr in ("label", "global_label"): if not hasattr(schematic, attr): continue for label in getattr(schematic, attr): if hasattr(label, "value"): net_names.add(label.value) # Collect net names from all sub-sheets (only when the parent # sheet was readable; fake/mock paths skip recursion entirely). if sexp_loaded: sub_sheets = _discover_sub_sheets(schematic_path) for sub_path in sub_sheets: try: sub_sexp = _load_sexp(sub_path) _, sub_label_to_points = _parse_labels_sexp(sub_sexp) net_names.update(sub_label_to_points.keys()) except Exception as e: logger.warning(f"Error reading sub-sheet {sub_path}: {e}") # Pre-build shared wire graph structures for efficiency all_wires = _parse_wires(schematic) if all_wires: adjacency, iu_to_wires = _build_adjacency(all_wires) else: adjacency, iu_to_wires = [], {} point_to_label, label_to_points = _parse_virtual_connections(schematic, schematic_path) nets = [] for net_name in sorted(net_names): connections = get_connections_for_net(schematic, schematic_path, net_name) pin_count = count_pins_on_net( schematic, schematic_path, net_name, all_wires, iu_to_wires, adjacency, point_to_label, label_to_points, ) nets.append( { "name": net_name, "connections": connections, "connected_pin_count": pin_count, } ) return {"success": True, "nets": nets, "count": len(nets)} except Exception as e: logger.error(f"Error listing schematic nets: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_list_schematic_wires(self, params: Dict[str, Any]) -> Dict[str, Any]: """List all wires in a schematic""" logger.info("Listing schematic wires") try: schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} schematic = SchematicManager.load_schematic(schematic_path) if not schematic: return {"success": False, "message": "Failed to load schematic"} wires = [] if hasattr(schematic, "wire"): for wire in schematic.wire: if hasattr(wire, "pts") and hasattr(wire.pts, "xy"): points = [] for point in wire.pts.xy: if hasattr(point, "value"): points.append( { "x": float(point.value[0]), "y": float(point.value[1]), } ) if len(points) >= 2: wires.append( { "start": points[0], "end": points[-1], } ) return {"success": True, "wires": wires, "count": len(wires)} except Exception as e: logger.error(f"Error listing schematic wires: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_list_schematic_labels(self, params: Dict[str, Any]) -> Dict[str, Any]: """List all net labels and power flags in a schematic""" logger.info("Listing schematic labels") try: schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} net_name = params.get("netName") label_type = params.get("labelType") _valid_label_types = {"net", "global", "power"} if label_type is not None and label_type not in _valid_label_types: return {"success": False, "message": "labelType must be one of: net, global, power"} schematic = SchematicManager.load_schematic(schematic_path) if not schematic: return {"success": False, "message": "Failed to load schematic"} labels = [] # Regular labels if hasattr(schematic, "label"): for label in schematic.label: if hasattr(label, "value"): pos = ( label.at.value if hasattr(label, "at") and hasattr(label.at, "value") else [0, 0] ) labels.append( { "name": label.value, "type": "net", "position": {"x": float(pos[0]), "y": float(pos[1])}, } ) # Global labels if hasattr(schematic, "global_label"): for label in schematic.global_label: if hasattr(label, "value"): pos = ( label.at.value if hasattr(label, "at") and hasattr(label.at, "value") else [0, 0] ) labels.append( { "name": label.value, "type": "global", "position": {"x": float(pos[0]), "y": float(pos[1])}, } ) # Power symbols (components with power flag) if hasattr(schematic, "symbol"): for symbol in schematic.symbol: if not hasattr(symbol.property, "Reference"): continue ref = symbol.property.Reference.value if ref.startswith("_TEMPLATE"): continue if not ref.startswith("#PWR"): continue value = ( symbol.property.Value.value if hasattr(symbol.property, "Value") else ref ) pos = symbol.at.value if hasattr(symbol, "at") else [0, 0, 0] labels.append( { "name": value, "type": "power", "position": {"x": float(pos[0]), "y": float(pos[1])}, } ) # Apply filters if net_name is not None: labels = [lbl for lbl in labels if lbl["name"] == net_name] if label_type is not None: labels = [lbl for lbl in labels if lbl["type"] == label_type] return {"success": True, "labels": labels, "count": len(labels)} except Exception as e: logger.error(f"Error listing schematic labels: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_move_schematic_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """Move a schematic component to a new position, dragging connected wires.""" logger.info("Moving schematic component") try: from commands.wire_dragger import WireDragger schematic_path = params.get("schematicPath") reference = params.get("reference") position = params.get("position", {}) new_x = position.get("x") new_y = position.get("y") preserve_wires = params.get("preserveWires", True) if not schematic_path or not reference: return { "success": False, "message": "schematicPath and reference are required", } if new_x is None or new_y is None: return { "success": False, "message": "position with x and y is required", } with open(schematic_path, "r", encoding="utf-8") as f: sch_data = sexpdata.loads(f.read()) # Find symbol and record old position found = WireDragger.find_symbol(sch_data, reference) if found is None: return {"success": False, "message": f"Component {reference} not found"} _, old_x, old_y = found[0], found[1], found[2] old_position = {"x": old_x, "y": old_y} drag_summary = {} if preserve_wires: # Compute pin world positions before and after the move pin_positions = WireDragger.compute_pin_positions( sch_data, reference, float(new_x), float(new_y) ) # Build old→new coordinate map (deduplicate coincident pins) old_to_new = {} for _pin, (old_xy, new_xy) in pin_positions.items(): if old_xy in old_to_new: logger.warning( f"move_schematic_component: pin {_pin!r} of {reference!r} " f"shares old position {old_xy} with another pin; " f"keeping first entry, skipping duplicate" ) continue old_to_new[old_xy] = new_xy drag_summary = WireDragger.drag_wires(sch_data, old_to_new) # Synthesize wires for touching-pin connections after dragging, # so drag_wires doesn't accidentally move and collapse the new wire. wires_synthesized = WireDragger.synthesize_touching_pin_wires( sch_data, reference, pin_positions ) drag_summary["wires_synthesized"] = wires_synthesized # Update symbol position WireDragger.update_symbol_position(sch_data, reference, float(new_x), float(new_y)) WireManager.sync_junctions(sch_data) with open(schematic_path, "w", encoding="utf-8") as f: f.write(sexpdata.dumps(sch_data)) return { "success": True, "oldPosition": old_position, "newPosition": {"x": new_x, "y": new_y}, "wiresMoved": drag_summary.get("endpoints_moved", 0), "wiresRemoved": drag_summary.get("wires_removed", 0), "wiresSynthesized": drag_summary.get("wires_synthesized", 0), } except Exception as e: logger.error(f"Error moving schematic component: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_rotate_schematic_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """Rotate and/or mirror a schematic component, dragging connected wires.""" logger.info("Rotating schematic component") try: import sexpdata as _sexpdata from commands.wire_dragger import WireDragger schematic_path = params.get("schematicPath") reference = params.get("reference") angle = params.get("angle", 0) mirror = params.get("mirror") # "x", "y", or None if not schematic_path or not reference: return { "success": False, "message": "schematicPath and reference are required", } with open(schematic_path, "r", encoding="utf-8") as f: sch_data = _sexpdata.loads(f.read()) found = WireDragger.find_symbol(sch_data, reference) if found is None: return {"success": False, "message": f"Component {reference} not found"} # Determine new mirror state: explicit param overrides; None preserves existing _, _, _, _, _, old_mirror_x, old_mirror_y = found if mirror is None: new_mirror_x = old_mirror_x new_mirror_y = old_mirror_y effective_mirror = "x" if old_mirror_x else ("y" if old_mirror_y else None) else: new_mirror_x = mirror == "x" new_mirror_y = mirror == "y" effective_mirror = mirror # Compute pin world positions before and after the transform pin_positions = WireDragger.compute_pin_positions_for_rotation( sch_data, reference, float(angle), new_mirror_x, new_mirror_y ) # Build old→new map (skip pins that don't move) old_to_new = {} for _pin, (old_xy, new_xy) in pin_positions.items(): if old_xy == new_xy: continue if old_xy in old_to_new: logger.warning( f"rotate: pin {_pin!r} of {reference!r} shares old position " f"{old_xy} with another pin; skipping duplicate" ) continue old_to_new[old_xy] = new_xy # Drag connected wires to follow pins drag_summary = WireDragger.drag_wires(sch_data, old_to_new) # Update the symbol's rotation and mirror token in sexpdata WireDragger.update_symbol_rotation_mirror( sch_data, reference, float(angle), effective_mirror ) WireManager.sync_junctions(sch_data) with open(schematic_path, "w", encoding="utf-8") as f: f.write(_sexpdata.dumps(sch_data)) return { "success": True, "reference": reference, "angle": angle, "mirror": effective_mirror, "wiresMoved": drag_summary.get("endpoints_moved", 0), "wiresRemoved": drag_summary.get("wires_removed", 0), } except Exception as e: logger.error(f"Error rotating schematic component: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_annotate_schematic(self, params: Dict[str, Any]) -> Dict[str, Any]: """Annotate unannotated components in schematic (R? -> R1, R2, ...)""" logger.info("Annotating schematic") try: import re schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} schematic = SchematicManager.load_schematic(schematic_path) if not schematic: return {"success": False, "message": "Failed to load schematic"} # Collect existing references by prefix existing_refs = {} # prefix -> set of numbers unannotated = [] # (symbol, prefix) for symbol in schematic.symbol: if not hasattr(symbol.property, "Reference"): continue ref = symbol.property.Reference.value if ref.startswith("_TEMPLATE"): continue # Split reference into prefix and number match = re.match(r"^([A-Za-z_]+)(\d+)$", ref) if match: prefix = match.group(1) num = int(match.group(2)) if prefix not in existing_refs: existing_refs[prefix] = set() existing_refs[prefix].add(num) elif ref.endswith("?"): prefix = ref[:-1] unannotated.append((symbol, prefix)) if not unannotated: return { "success": True, "annotated": [], "message": "All components already annotated", } annotated = [] for symbol, prefix in unannotated: if prefix not in existing_refs: existing_refs[prefix] = set() # Find next available number next_num = 1 while next_num in existing_refs[prefix]: next_num += 1 old_ref = symbol.property.Reference.value new_ref = f"{prefix}{next_num}" symbol.setAllReferences(new_ref) existing_refs[prefix].add(next_num) uuid_val = str(symbol.uuid.value) if hasattr(symbol, "uuid") else "" annotated.append( { "uuid": uuid_val, "oldReference": old_ref, "newReference": new_ref, } ) SchematicManager.save_schematic(schematic, schematic_path) return {"success": True, "annotated": annotated} except Exception as e: logger.error(f"Error annotating schematic: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_delete_schematic_wire(self, params: Dict[str, Any]) -> Dict[str, Any]: """Delete a wire from the schematic matching start/end points""" logger.info("Deleting schematic wire") try: schematic_path = params.get("schematicPath") start = params.get("start", {}) end = params.get("end", {}) if not schematic_path: return {"success": False, "message": "schematicPath is required"} from pathlib import Path from commands.wire_manager import WireManager start_point = [start.get("x", 0), start.get("y", 0)] end_point = [end.get("x", 0), end.get("y", 0)] deleted = WireManager.delete_wire(Path(schematic_path), start_point, end_point) if deleted: return {"success": True} else: return {"success": False, "message": "No matching wire found"} except Exception as e: logger.error(f"Error deleting schematic wire: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_delete_schematic_net_label(self, params: Dict[str, Any]) -> Dict[str, Any]: """Delete a net label from the schematic""" logger.info("Deleting schematic net label") try: schematic_path = params.get("schematicPath") net_name = params.get("netName") position = params.get("position") if not schematic_path or not net_name: return { "success": False, "message": "schematicPath and netName are required", } from pathlib import Path from commands.wire_manager import WireManager pos_list = None if position: pos_list = [position.get("x", 0), position.get("y", 0)] deleted = WireManager.delete_label(Path(schematic_path), net_name, pos_list) if deleted: return {"success": True} else: return {"success": False, "message": f"Label '{net_name}' not found"} except Exception as e: logger.error(f"Error deleting schematic net label: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_move_schematic_net_label(self, params: Dict[str, Any]) -> Dict[str, Any]: """Move a net label to a new position in the schematic.""" logger.info("Moving schematic net label") try: import sexpdata as _sexpdata from sexpdata import Symbol schematic_path = params.get("schematicPath") net_name = params.get("netName") new_position = params.get("newPosition", {}) new_x = new_position.get("x") new_y = new_position.get("y") current_position = params.get("currentPosition") label_type = params.get("labelType") if not schematic_path or not net_name: return {"success": False, "message": "schematicPath and netName are required"} if new_x is None or new_y is None: return {"success": False, "message": "newPosition with x and y is required"} _valid_types = {"label", "global_label", "hierarchical_label"} if label_type is not None and label_type not in _valid_types: return { "success": False, "message": f"labelType must be one of: {', '.join(sorted(_valid_types))}", } _SYM_AT = Symbol("at") target_syms = ( {Symbol(label_type)} if label_type is not None else {Symbol(t) for t in _valid_types} ) TOLERANCE = 0.5 with open(schematic_path, "r", encoding="utf-8") as f: sch_data = _sexpdata.loads(f.read()) for item in sch_data: if not (isinstance(item, list) and len(item) >= 2 and item[0] in target_syms): continue if item[1] != net_name: continue at_idx = next( ( j for j, p in enumerate(item) if isinstance(p, list) and len(p) >= 3 and p[0] == _SYM_AT ), None, ) if at_idx is None: continue at_entry = item[at_idx] old_x, old_y = float(at_entry[1]), float(at_entry[2]) if current_position is not None: cx = current_position.get("x", 0) cy = current_position.get("y", 0) if not (abs(old_x - cx) < TOLERANCE and abs(old_y - cy) < TOLERANCE): continue rotation = at_entry[3] if len(at_entry) > 3 else 0 item[at_idx] = [_SYM_AT, float(new_x), float(new_y), rotation] with open(schematic_path, "w", encoding="utf-8") as f: f.write(_sexpdata.dumps(sch_data)) return { "success": True, "oldPosition": {"x": old_x, "y": old_y}, "newPosition": {"x": float(new_x), "y": float(new_y)}, } return {"success": False, "message": f"Label '{net_name}' not found"} except Exception as e: logger.error(f"Error moving schematic net label: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_export_schematic_svg(self, params: Dict[str, Any]) -> Dict[str, Any]: """Export schematic to SVG using kicad-cli""" logger.info("Exporting schematic SVG") import glob import shutil import subprocess try: schematic_path = params.get("schematicPath") output_path = params.get("outputPath") if not schematic_path or not output_path: return { "success": False, "message": "schematicPath and outputPath are required", } if not os.path.exists(schematic_path): return { "success": False, "message": f"Schematic not found: {schematic_path}", } # kicad-cli's --output flag for SVG export expects a directory, not a file path. # The output file is auto-named based on the schematic name. output_dir = os.path.dirname(output_path) if not output_dir: output_dir = "." os.makedirs(output_dir, exist_ok=True) cmd = [ "kicad-cli", "sch", "export", "svg", schematic_path, "-o", output_dir, ] if params.get("blackAndWhite"): cmd.append("--black-and-white") result = subprocess.run(cmd, capture_output=True, text=True, timeout=60) if result.returncode != 0: return { "success": False, "message": f"kicad-cli failed: {result.stderr}", } # kicad-cli names the file after the schematic, so find the generated SVG svg_files = glob.glob(os.path.join(output_dir, "*.svg")) if not svg_files: return { "success": False, "message": "No SVG file produced by kicad-cli", } generated_svg = svg_files[0] # Move/rename to the user-specified output path if it differs if os.path.abspath(generated_svg) != os.path.abspath(output_path): shutil.move(generated_svg, output_path) return {"success": True, "file": {"path": output_path}} except FileNotFoundError: return {"success": False, "message": "kicad-cli not found in PATH"} except Exception as e: logger.error(f"Error exporting schematic SVG: {e}") return {"success": False, "message": str(e)} def _handle_get_net_connections(self, params: Dict[str, Any]) -> Dict[str, Any]: """Get all connections for a named net""" logger.info("Getting net connections") try: from commands.wire_connectivity import get_connections_for_net schematic_path = params.get("schematicPath") net_name = params.get("netName") if not all([schematic_path, net_name]): return {"success": False, "message": "Missing required parameters"} schematic = SchematicManager.load_schematic(schematic_path) if not schematic: return {"success": False, "message": "Failed to load schematic"} connections = get_connections_for_net(schematic, schematic_path, net_name) return {"success": True, "connections": connections} except Exception as e: logger.error(f"Error getting net connections: {str(e)}") return {"success": False, "message": str(e)} def _handle_get_wire_connections(self, params: Dict[str, Any]) -> Dict[str, Any]: """Find net name and all component pins reachable from a point or component pin.""" logger.info("Getting wire connections") try: from pathlib import Path from commands.pin_locator import PinLocator from commands.wire_connectivity import get_wire_connections schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "Missing required parameter: schematicPath"} reference = params.get("reference") pin = params.get("pin") x = params.get("x") y = params.get("y") has_ref_pin = reference is not None and pin is not None has_coords = x is not None and y is not None if has_ref_pin and has_coords: return { "success": False, "message": "Supply either {reference, pin} or {x, y}, not both", } if not has_ref_pin and not has_coords: if reference is not None or pin is not None: return { "success": False, "message": "Both reference and pin are required together", } return { "success": False, "message": "Must supply either {reference, pin} or {x, y}", } if has_ref_pin: location = PinLocator().get_pin_location(Path(schematic_path), reference, str(pin)) if location is None: return { "success": False, "message": f"Pin {pin} not found on {reference}", } x, y = location[0], location[1] else: try: x, y = float(x), float(y) except (TypeError, ValueError): return {"success": False, "message": "Parameters x and y must be numeric"} schematic = SchematicManager.load_schematic(schematic_path) if not schematic: return {"success": False, "message": "Failed to load schematic"} if not hasattr(schematic, "wire"): return {"success": False, "message": "Schematic has no wires"} result = get_wire_connections(schematic, schematic_path, x, y) if result is None: return { "success": False, "message": f"No wire found at ({x},{y}) — point may not be connected", } return {"success": True, **result} except Exception as e: logger.error(f"Error getting wire connections: {str(e)}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_get_net_at_point(self, params: Dict[str, Any]) -> Dict[str, Any]: """Return the net name at a given (x, y) coordinate, or null if none found.""" logger.info("Getting net at point") try: from commands.wire_connectivity import get_net_at_point schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "Missing required parameter: schematicPath"} x = params.get("x") y = params.get("y") if x is None or y is None: return {"success": False, "message": "Missing required parameters: x and y"} try: x, y = float(x), float(y) except (TypeError, ValueError): return {"success": False, "message": "Parameters x and y must be numeric"} schematic = SchematicManager.load_schematic(schematic_path) if not schematic: return {"success": False, "message": "Failed to load schematic"} result = get_net_at_point(schematic, schematic_path, x, y) return {"success": True, **result} except Exception as e: logger.error(f"Error getting net at point: {str(e)}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_list_schematic_texts(self, params: Dict[str, Any]) -> Dict[str, Any]: """List all free-form text annotations (SCH_TEXT) in a schematic.""" logger.info("Listing schematic text annotations") try: from commands.wire_manager import WireManager schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} sch_file = Path(schematic_path) if not sch_file.exists(): return {"success": False, "message": f"Schematic not found: {schematic_path}"} texts = WireManager.list_texts(sch_file) if texts is None: return {"success": False, "message": "Failed to parse schematic"} # Optional text filter filter_text = params.get("text") if filter_text is not None: texts = [t for t in texts if filter_text.lower() in t["text"].lower()] return {"success": True, "texts": texts, "count": len(texts)} except Exception as e: logger.error(f"Error listing schematic texts: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_add_schematic_text(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add a free-form text annotation (SCH_TEXT) to a schematic.""" logger.info("Adding text annotation to schematic") try: from commands.wire_manager import WireManager schematic_path = params.get("schematicPath") text = params.get("text") position = params.get("position") angle = params.get("angle", 0) font_size = params.get("fontSize", 1.27) bold = params.get("bold", False) italic = params.get("italic", False) justify = params.get("justify", "left") if not schematic_path: return {"success": False, "message": "schematicPath is required"} if not text: return {"success": False, "message": "text is required"} if not position or len(position) != 2: return {"success": False, "message": "position [x, y] is required"} if justify not in ("left", "center", "right"): return {"success": False, "message": "justify must be left, center, or right"} if font_size <= 0: return {"success": False, "message": "fontSize must be positive"} sch_file = Path(schematic_path) if not sch_file.exists(): return { "success": False, "message": f"Schematic not found: {schematic_path}", } success = WireManager.add_text( sch_file, text, position, angle=angle, font_size=font_size, bold=bold, italic=italic, justify=justify, ) if success: return { "success": True, "message": f"Added text '{text}' at ({position[0]}, {position[1]})", "position": {"x": position[0], "y": position[1]}, "angle": angle, } return {"success": False, "message": "Failed to add text annotation"} except Exception as e: logger.error(f"Error adding schematic text: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_add_schematic_hierarchical_label(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add a hierarchical label to a sub-sheet schematic.""" logger.info("Adding hierarchical label to schematic") try: from commands.wire_manager import WireManager schematic_path = params.get("schematicPath") text = params.get("text") position = params.get("position") shape = params.get("shape", "bidirectional") orientation = params.get("orientation", 0) if not schematic_path: return {"success": False, "message": "schematicPath is required"} if not text: return {"success": False, "message": "text is required"} if not position or len(position) != 2: return {"success": False, "message": "position [x, y] is required"} if shape not in ("input", "output", "bidirectional"): return { "success": False, "message": "shape must be input, output, or bidirectional", } sch_file = Path(schematic_path) if not sch_file.exists(): return { "success": False, "message": f"Schematic not found: {schematic_path}", } success = WireManager.add_hierarchical_label( sch_file, text, position, shape=shape, orientation=orientation ) if success: return { "success": True, "message": ( f"Added hierarchical_label '{text}' " f"at {position} shape={shape}" ), } return {"success": False, "message": "Failed to add hierarchical label"} except Exception as e: logger.error(f"Error adding hierarchical label: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_add_sheet_pin(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add a sheet pin to a sheet block on the parent schematic.""" logger.info("Adding sheet pin to schematic") try: from commands.wire_manager import WireManager schematic_path = params.get("schematicPath") sheet_name = params.get("sheetName") pin_name = params.get("pinName") pin_type = params.get("pinType", "bidirectional") position = params.get("position") orientation = params.get("orientation", 0) if not schematic_path: return {"success": False, "message": "schematicPath is required"} if not sheet_name: return {"success": False, "message": "sheetName is required"} if not pin_name: return {"success": False, "message": "pinName is required"} if not position or len(position) != 2: return {"success": False, "message": "position [x, y] is required"} if pin_type not in ("input", "output", "bidirectional"): return { "success": False, "message": "pinType must be input, output, or bidirectional", } sch_file = Path(schematic_path) if not sch_file.exists(): return { "success": False, "message": f"Schematic not found: {schematic_path}", } with open(sch_file, "r", encoding="utf-8") as f: content = f.read() modified, success = WireManager.add_sheet_pin( content, sheet_name, pin_name, pin_type, position, orientation=orientation, ) if not success: return { "success": False, "message": f"Sheet '{sheet_name}' not found in {schematic_path}", } with open(sch_file, "w", encoding="utf-8") as f: f.write(modified) return { "success": True, "message": ( f"Added sheet pin '{pin_name}' ({pin_type}) " f"to sheet '{sheet_name}'" ), } except Exception as e: logger.error(f"Error adding sheet pin: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_run_erc(self, params: Dict[str, Any]) -> Dict[str, Any]: """Run Electrical Rules Check on a schematic via kicad-cli""" logger.info("Running ERC on schematic") import os import subprocess import tempfile try: schematic_path = params.get("schematicPath") if not schematic_path or not os.path.exists(schematic_path): return { "success": False, "message": "Schematic file not found", "errorDetails": f"Path does not exist: {schematic_path}", } kicad_cli = self.design_rule_commands._find_kicad_cli() if not kicad_cli: return { "success": False, "message": "kicad-cli not found", "errorDetails": "Install KiCAD 8.0+ or add kicad-cli to PATH.", } with tempfile.NamedTemporaryFile(mode="w", suffix=".json", delete=False) as tmp: json_output = tmp.name try: cmd = [ kicad_cli, "sch", "erc", "--format", "json", "--output", json_output, schematic_path, ] logger.info(f"Running ERC command: {' '.join(cmd)}") result = subprocess.run(cmd, capture_output=True, text=True, timeout=120) # kicad-cli returns non-zero when ERC violations are found — # this is normal, not an error. Only fail when no JSON was # produced (genuine CLI failure). if not os.path.exists(json_output) or os.path.getsize(json_output) == 0: logger.error(f"ERC command produced no output: {result.stderr}") return { "success": False, "message": "ERC command failed - no output produced", "errorDetails": result.stderr, } with open(json_output, "r", encoding="utf-8") as f: erc_data = json.load(f) violations = [] severity_counts = {"error": 0, "warning": 0, "info": 0} # KiCad 9 nests violations under sheets[].violations # instead of (or in addition to) the top-level violations # array used by KiCad 8. all_violations = erc_data.get("violations", []) for sheet in erc_data.get("sheets", []): all_violations.extend(sheet.get("violations", [])) for v in all_violations: vseverity = v.get("severity", "error") items = v.get("items", []) loc = {} if items and "pos" in items[0]: loc = { "x": items[0]["pos"].get("x", 0), "y": items[0]["pos"].get("y", 0), } violations.append( { "type": v.get("type", "unknown"), "severity": vseverity, "message": v.get("description", ""), "location": loc, } ) if vseverity in severity_counts: severity_counts[vseverity] += 1 return { "success": True, "message": f"ERC complete: {len(violations)} violation(s)", "summary": { "total": len(violations), "by_severity": severity_counts, }, "violations": violations, } finally: if os.path.exists(json_output): os.unlink(json_output) except subprocess.TimeoutExpired: return {"success": False, "message": "ERC timed out after 120 seconds"} except Exception as e: logger.error(f"Error running ERC: {str(e)}") return {"success": False, "message": str(e)} # ------------------------------------------------------------------ # kicad-cli helper shared by netlist handlers # ------------------------------------------------------------------ @staticmethod def _find_kicad_cli_static() -> Optional[str]: """Return path to kicad-cli executable, or None.""" import platform import shutil cli = shutil.which("kicad-cli") if cli: return cli system = platform.system() if system == "Windows": candidates = [ r"C:\Program Files\KiCad\9.0\bin\kicad-cli.exe", r"C:\Program Files\KiCad\8.0\bin\kicad-cli.exe", r"C:\Program Files (x86)\KiCad\9.0\bin\kicad-cli.exe", r"C:\Program Files (x86)\KiCad\8.0\bin\kicad-cli.exe", ] elif system == "Darwin": candidates = [ "/Applications/KiCad/KiCad.app/Contents/MacOS/kicad-cli", "/usr/local/bin/kicad-cli", ] else: candidates = [ "/usr/bin/kicad-cli", "/usr/local/bin/kicad-cli", ] for path in candidates: if os.path.exists(path): return path return None # ------------------------------------------------------------------ def _handle_export_netlist(self, params: Dict[str, Any]) -> Dict[str, Any]: """Export netlist to a file using kicad-cli.""" import subprocess logger.info("Exporting netlist via kicad-cli") try: schematic_path = params.get("schematicPath") output_path = params.get("outputPath") fmt = params.get("format", "KiCad") if not schematic_path: return {"success": False, "message": "schematicPath is required"} if not output_path: return {"success": False, "message": "outputPath is required"} if not os.path.exists(schematic_path): return {"success": False, "message": f"Schematic not found: {schematic_path}"} kicad_cli = self._find_kicad_cli_static() if not kicad_cli: return {"success": False, "message": "kicad-cli not found in PATH"} fmt_map = { "KiCad": "kicadxml", "Spice": "spice", "Cadstar": "cadstar", "OrcadPCB2": "orcadpcb2", } cli_format = fmt_map.get(fmt, "kicadxml") os.makedirs(os.path.dirname(os.path.abspath(output_path)), exist_ok=True) cmd = [ kicad_cli, "sch", "export", "netlist", "--format", cli_format, "--output", output_path, schematic_path, ] logger.info(f"Running: {' '.join(cmd)}") result = subprocess.run(cmd, capture_output=True, text=True, timeout=60) if result.returncode == 0: return {"success": True, "outputPath": output_path, "format": fmt} else: return { "success": False, "message": f"kicad-cli failed (exit {result.returncode}): {result.stderr.strip()}", } except FileNotFoundError: return {"success": False, "message": "kicad-cli not found in PATH"} except subprocess.TimeoutExpired: return {"success": False, "message": "kicad-cli timed out after 60 seconds"} except Exception as e: logger.error(f"Error exporting netlist: {e}") return {"success": False, "message": str(e)} def _handle_generate_netlist(self, params: Dict[str, Any]) -> Dict[str, Any]: """Generate netlist from schematic and return structured JSON. Uses kicad-cli to export KiCad XML netlist to a temp file, then parses it into {components, nets} structure expected by the TS handler. """ import subprocess import tempfile import xml.etree.ElementTree as ET logger.info("Generating netlist from schematic via kicad-cli") try: schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "Schematic path is required"} if not os.path.exists(schematic_path): return {"success": False, "message": f"Schematic not found: {schematic_path}"} kicad_cli = self._find_kicad_cli_static() if not kicad_cli: return {"success": False, "message": "kicad-cli not found in PATH"} with tempfile.NamedTemporaryFile(suffix=".xml", delete=False) as tmp: tmp_path = tmp.name try: cmd = [ kicad_cli, "sch", "export", "netlist", "--format", "kicadxml", "--output", tmp_path, schematic_path, ] logger.info(f"Running: {' '.join(cmd)}") result = subprocess.run(cmd, capture_output=True, text=True, timeout=60) if result.returncode != 0: return { "success": False, "message": f"kicad-cli failed (exit {result.returncode}): {result.stderr.strip()}", } tree = ET.parse(tmp_path) root = tree.getroot() components = [] for comp in root.findall("./components/comp"): ref = comp.get("ref", "") value = comp.findtext("value", "") footprint = comp.findtext("footprint", "") components.append({"reference": ref, "value": value, "footprint": footprint}) nets = [] for net in root.findall("./nets/net"): net_name = net.get("name", "") connections = [] for node in net.findall("node"): connections.append( { "component": node.get("ref", ""), "pin": node.get("pin", ""), } ) nets.append({"name": net_name, "connections": connections}) logger.info(f"Generated netlist: {len(components)} components, {len(nets)} nets") return {"success": True, "netlist": {"components": components, "nets": nets}} finally: try: os.unlink(tmp_path) except OSError: pass except FileNotFoundError: return {"success": False, "message": "kicad-cli not found in PATH"} except subprocess.TimeoutExpired: return {"success": False, "message": "kicad-cli timed out after 60 seconds"} except Exception as e: logger.error(f"Error generating netlist: {e}") return {"success": False, "message": str(e)} def _build_hierarchical_pad_net_map(self, project_sch_path: str): """Walk all .kicad_sch files in the project and build a {(ref, pin_num): net_name} map. Handles hierarchical schematics by scanning every sub-sheet file. Net names from global_label / hierarchical_label / local label / power symbols are all collected. Wire connectivity is traced via BFS so labels not placed directly on a pin endpoint still reach through wire segments. Returns: (pad_net_map, net_names_set) """ from collections import defaultdict from pathlib import Path from commands.pin_locator import PinLocator from skip import Schematic TOLERANCE = 0.5 # mm; schematic grid is 1.27 mm so 0.5 is safe def snap(x, y): """Round to 2 dp to use exact dict lookup instead of O(n²) scan.""" return (round(float(x), 2), round(float(y), 2)) def nearby_net(pt, point_net, tol=TOLERANCE): """Return net name for the nearest occupied grid point, or None.""" x, y = pt # Try exact snap first (fast path) key = snap(x, y) if key in point_net: return point_net[key] # Slow fallback for off-grid placements for (lx, ly), name in point_net.items(): if abs(x - lx) < tol and abs(y - ly) < tol: return name return None project_dir = Path(project_sch_path).parent pad_net_map: dict = {} all_net_names: set = set() pin_locator = PinLocator() sch_files = sorted(project_dir.rglob("*.kicad_sch")) logger.info(f"_build_hierarchical_pad_net_map: scanning {len(sch_files)} schematic files") for sch_path in sch_files: try: sch = Schematic(str(sch_path)) except Exception as e: logger.warning(f"Could not load {sch_path}: {e}") continue # ── 1. Collect explicit label positions → net name ────────────── point_net: dict = {} # snap(x,y) -> net_name for attr in ("label", "global_label", "hierarchical_label"): for lbl in getattr(sch, attr, None) or []: try: pos = lbl.at.value name = lbl.value if name: k = snap(pos[0], pos[1]) point_net[k] = name all_net_names.add(name) except Exception: pass # Power symbols (#PWR / #FLG): value property IS the net name; use pin 1 pos for sym in getattr(sch, "symbol", None) or []: try: ref = sym.property.Reference.value if not (ref.startswith("#PWR") or ref.startswith("#FLG")): continue net_name = sym.property.Value.value if not net_name: continue all_pins = pin_locator.get_all_symbol_pins(sch_path, ref) for _pin_num, (px, py) in all_pins.items(): k = snap(px, py) point_net[k] = net_name all_net_names.add(net_name) except Exception: pass # ── 2. Build wire adjacency and BFS-propagate net names ────────── wire_segments = [] for wire in getattr(sch, "wire", None) or []: try: pts = [] for pt in wire.pts.xy: pts.append(snap(pt.value[0], pt.value[1])) if len(pts) >= 2: wire_segments.append(pts) except Exception: pass # Adjacency: connect endpoints of different segments that share a grid point point_adj: dict = defaultdict(set) for seg in wire_segments: # Connect consecutive points within the segment for i in range(len(seg) - 1): point_adj[seg[i]].add(seg[i + 1]) point_adj[seg[i + 1]].add(seg[i]) # All unique wire points all_wire_pts = set() for seg in wire_segments: all_wire_pts.update(seg) # BFS: propagate known net names through wire connections queue = [pt for pt in all_wire_pts if pt in point_net] visited = set(queue) while queue: pt = queue.pop() net = point_net[pt] for neighbor in point_adj[pt]: if neighbor not in point_net: point_net[neighbor] = net all_net_names.add(net) if neighbor not in visited: visited.add(neighbor) queue.append(neighbor) # ── 3. Match component pin positions to net names ──────────────── for sym in getattr(sch, "symbol", None) or []: try: ref = sym.property.Reference.value if ref.startswith("#"): continue except Exception: continue pin_positions = pin_locator.get_all_symbol_pins(sch_path, ref) for pin_num, (px, py) in pin_positions.items(): net = nearby_net((px, py), point_net) if net: pad_net_map[(ref, pin_num)] = net logger.info( f"_build_hierarchical_pad_net_map: {len(pad_net_map)} pin→net assignments, " f"{len(all_net_names)} unique nets" ) return pad_net_map, all_net_names def _handle_sync_schematic_to_board(self, params: Dict[str, Any]) -> Dict[str, Any]: """Sync schematic netlist to PCB board (equivalent to KiCAD F8 'Update PCB from Schematic'). Reads net connections from the schematic and assigns them to the matching pads in the PCB. """ logger.info("Syncing schematic to board") try: from pathlib import Path schematic_path = params.get("schematicPath") board_path = params.get("boardPath") # Determine board to work with board = None if board_path: board = pcbnew.LoadBoard(board_path) elif self.board: board = self.board board_path = board.GetFileName() if not board_path else board_path else: return { "success": False, "message": "No board loaded. Use open_project first or provide boardPath.", } if not board_path: board_path = board.GetFileName() # Determine schematic path if not provided if not schematic_path: sch = Path(board_path).with_suffix(".kicad_sch") if sch.exists(): schematic_path = str(sch) else: project_dir = Path(board_path).parent sch_files = list(project_dir.glob("*.kicad_sch")) if sch_files: schematic_path = str(sch_files[0]) if not schematic_path or not Path(schematic_path).exists(): return { "success": False, "message": f"Schematic not found. Provide schematicPath. Tried: {schematic_path}", } # Build hierarchical pad→net map (walks all sub-sheets) pad_net_map, net_names = self._build_hierarchical_pad_net_map(schematic_path) # Add missing footprints from the schematic to the board *before* # we add nets and assign pads — F8 in KiCad does this implicitly # ("Update PCB from Schematic"), but our previous implementation # only mutated nets, leaving newly-added schematic symbols with no # PCB footprint at all. added_footprints, skipped_footprints = self._add_missing_footprints_from_schematic( board, schematic_path ) # Add all nets to board netinfo = board.GetNetInfo() nets_by_name = netinfo.NetsByName() added_nets = [] for net_name in net_names: if not nets_by_name.has_key(net_name): net_item = pcbnew.NETINFO_ITEM(board, net_name) board.Add(net_item) added_nets.append(net_name) # Refresh nets map after additions netinfo = board.GetNetInfo() nets_by_name = netinfo.NetsByName() # Assign nets to pads (now also covers any footprints we just added) assigned_pads = 0 unmatched = [] for fp in board.GetFootprints(): ref = fp.GetReference() for pad in fp.Pads(): pad_num = pad.GetNumber() key = (ref, str(pad_num)) if key in pad_net_map: net_name = pad_net_map[key] if nets_by_name.has_key(net_name): pad.SetNet(nets_by_name[net_name]) assigned_pads += 1 else: unmatched.append(f"{ref}/{pad_num}") board.Save(board_path) # If board was loaded fresh, update internal reference if params.get("boardPath"): self.board = board self._update_command_handlers() logger.info( f"sync_schematic_to_board: {len(added_nets)} nets added, " f"{len(added_footprints)} footprints added, {assigned_pads} pads assigned" ) return { "success": True, "message": ( f"PCB updated from schematic: {len(added_footprints)} footprints added, " f"{len(added_nets)} nets added, {assigned_pads} pads assigned" ), "nets_added": added_nets, "nets_total": len(net_names), "pads_assigned": assigned_pads, "unmatched_pads_sample": unmatched[:10], "footprints_added": added_footprints, "footprints_skipped": skipped_footprints, } except Exception as e: logger.error(f"Error in sync_schematic_to_board: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _extract_components_from_schematic(self, schematic_path: str) -> List[Dict[str, str]]: """Run kicad-cli netlist export and return the flat list of components. Each entry: {"reference": str, "value": str, "footprint": str} Empty list on any failure (kicad-cli missing, parse error, etc.) — the caller treats that as "no missing footprints to add". """ import subprocess import tempfile import xml.etree.ElementTree as ET kicad_cli = self._find_kicad_cli_static() if not kicad_cli: logger.warning("kicad-cli not found — sync will not add new footprints") return [] with tempfile.NamedTemporaryFile(suffix=".xml", delete=False) as tmp: tmp_path = tmp.name try: cmd = [ kicad_cli, "sch", "export", "netlist", "--format", "kicadxml", "--output", tmp_path, schematic_path, ] result = subprocess.run(cmd, capture_output=True, text=True, timeout=60) if result.returncode != 0: logger.warning( f"kicad-cli netlist export failed (exit {result.returncode}): " f"{result.stderr.strip()}" ) return [] tree = ET.parse(tmp_path) root = tree.getroot() components = [] for comp in root.findall("./components/comp"): components.append( { "reference": comp.get("ref", ""), "value": comp.findtext("value", ""), "footprint": comp.findtext("footprint", ""), } ) return components except Exception as e: logger.warning(f"Failed to extract components from schematic: {e}") return [] finally: try: os.unlink(tmp_path) except OSError: pass def _add_missing_footprints_from_schematic( self, board: Any, schematic_path: str ) -> Tuple[List[Dict[str, str]], List[Dict[str, str]]]: """Add footprints to ``board`` for any schematic component not yet present. New footprints are placed at the board origin so the user can move them into position. Power/flag references (``#PWR``, ``#FLG``) are skipped — they have no PCB representation. Returns ``(added, skipped)``: each entry is ``{"reference": str, "footprint": str, "reason": str?}``. """ from pathlib import Path from commands.library import LibraryManager added: List[Dict[str, str]] = [] skipped: List[Dict[str, str]] = [] components = self._extract_components_from_schematic(schematic_path) if not components: return added, skipped existing_refs = {fp.GetReference() for fp in board.GetFootprints()} project_dir = Path(schematic_path).parent library_manager = LibraryManager(project_path=project_dir) for comp in components: ref = comp["reference"] fp_str = comp["footprint"] if not ref or ref.startswith("#"): # Power flags / global indicators — no PCB footprint expected. continue if ref in existing_refs: continue if not fp_str or ":" not in fp_str: skipped.append( { "reference": ref, "footprint": fp_str, "reason": "no Library:Name footprint set on schematic symbol", } ) continue lib_name, fp_name = fp_str.split(":", 1) library_path = library_manager.libraries.get(lib_name) if not library_path: skipped.append( { "reference": ref, "footprint": fp_str, "reason": f"library '{lib_name}' not in fp-lib-table", } ) continue try: module = pcbnew.FootprintLoad(library_path, fp_name) except Exception as e: skipped.append( {"reference": ref, "footprint": fp_str, "reason": f"FootprintLoad failed: {e}"} ) continue if not module: skipped.append( { "reference": ref, "footprint": fp_str, "reason": f"footprint '{fp_name}' not in '{lib_name}'", } ) continue module.SetReference(ref) if comp["value"]: module.SetValue(comp["value"]) module.SetFPID(pcbnew.LIB_ID(lib_name, fp_name)) # Place at board origin; user / autoplacer can position from there. module.SetPosition(pcbnew.VECTOR2I(0, 0)) board.Add(module) existing_refs.add(ref) added.append({"reference": ref, "footprint": fp_str}) if added: logger.info(f"_add_missing_footprints_from_schematic: added {len(added)} footprints") return added, skipped # =================================================================== # Schematic analysis tools (read-only) # =================================================================== def _handle_get_schematic_view_region(self, params: Dict[str, Any]) -> Dict[str, Any]: """Export a cropped region of the schematic as an image""" logger.info("Exporting schematic view region") import base64 import os import subprocess import tempfile try: schematic_path = params.get("schematicPath") if not schematic_path or not os.path.exists(schematic_path): return {"success": False, "message": "Schematic file not found"} x1 = float(params.get("x1", 0)) y1 = float(params.get("y1", 0)) x2 = float(params.get("x2", 297)) y2 = float(params.get("y2", 210)) x1, x2 = min(x1, x2), max(x1, x2) y1, y2 = min(y1, y2), max(y1, y2) out_format = params.get("format", "png") width = int(params.get("width", 800)) height = int(params.get("height", 600)) kicad_cli = self.design_rule_commands._find_kicad_cli() if not kicad_cli: return {"success": False, "message": "kicad-cli not found"} tmp_dir = tempfile.mkdtemp() svg_output = None try: cmd = [ kicad_cli, "sch", "export", "svg", "--output", tmp_dir, schematic_path, ] result = subprocess.run(cmd, capture_output=True, text=True, timeout=60) if result.returncode != 0: return { "success": False, "message": f"SVG export failed: {result.stderr}", } # kicad-cli names the file after the schematic svg_files = [f for f in os.listdir(tmp_dir) if f.endswith(".svg")] if not svg_files: return { "success": False, "message": "kicad-cli produced no SVG output", } svg_output = os.path.join(tmp_dir, svg_files[0]) import xml.etree.ElementTree as ET tree = ET.parse(svg_output) root = tree.getroot() # KiCad schematic SVGs use mm as viewBox units directly vb = root.get("viewBox", "") if vb: parts = vb.split() if len(parts) == 4: orig_vb_x = float(parts[0]) orig_vb_y = float(parts[1]) new_x = orig_vb_x + x1 new_y = orig_vb_y + y1 new_w = x2 - x1 new_h = y2 - y1 root.set("viewBox", f"{new_x} {new_y} {new_w} {new_h}") root.set("width", str(width)) root.set("height", str(height)) # Write modified SVG cropped_svg_path = os.path.join(tmp_dir, "cropped.svg") tree.write(cropped_svg_path, xml_declaration=True, encoding="utf-8") if out_format == "svg": with open(cropped_svg_path, "r", encoding="utf-8") as f: svg_data = f.read() return {"success": True, "imageData": svg_data, "format": "svg"} else: try: from cairosvg import svg2png except ImportError: return { "success": False, "message": "PNG export requires the 'cairosvg' package. Install it with: pip install cairosvg", } png_data = svg2png( url=cropped_svg_path, output_width=width, output_height=height ) return { "success": True, "imageData": base64.b64encode(png_data).decode("utf-8"), "format": "png", } finally: import shutil shutil.rmtree(tmp_dir, ignore_errors=True) except Exception as e: logger.error(f"Error in get_schematic_view_region: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_find_overlapping_elements(self, params: Dict[str, Any]) -> Dict[str, Any]: """Detect spatially overlapping symbols, wires, and labels""" logger.info("Finding overlapping elements in schematic") try: from pathlib import Path from commands.schematic_analysis import find_overlapping_elements schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} tolerance = float(params.get("tolerance", 0.5)) result = find_overlapping_elements(Path(schematic_path), tolerance) return { "success": True, **result, "message": f"Found {result['totalOverlaps']} overlap(s)", } except Exception as e: logger.error(f"Error finding overlapping elements: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_get_elements_in_region(self, params: Dict[str, Any]) -> Dict[str, Any]: """List all wires, labels, and symbols within a rectangular region""" logger.info("Getting elements in schematic region") try: from pathlib import Path from commands.schematic_analysis import get_elements_in_region schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} x1 = float(params.get("x1", 0)) y1 = float(params.get("y1", 0)) x2 = float(params.get("x2", 0)) y2 = float(params.get("y2", 0)) result = get_elements_in_region(Path(schematic_path), x1, y1, x2, y2) return { "success": True, **result, "message": f"Found {result['counts']['symbols']} symbols, {result['counts']['wires']} wires, {result['counts']['labels']} labels in region", } except Exception as e: logger.error(f"Error getting elements in region: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_find_wires_crossing_symbols(self, params: Dict[str, Any]) -> Dict[str, Any]: """Find wires that cross over component symbol bodies""" logger.info("Finding wires crossing symbols in schematic") try: from pathlib import Path from commands.schematic_analysis import find_wires_crossing_symbols schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} result = find_wires_crossing_symbols(Path(schematic_path)) return { "success": True, "collisions": result, "count": len(result), "message": f"Found {len(result)} wire(s) crossing symbols", } except Exception as e: logger.error(f"Error checking wire collisions: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_find_orphaned_wires(self, params: Dict[str, Any]) -> Dict[str, Any]: """Find wire segments with at least one dangling (unconnected) endpoint""" logger.info("Finding orphaned wires in schematic") try: from pathlib import Path from commands.schematic_analysis import find_orphaned_wires schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} result = find_orphaned_wires(Path(schematic_path)) return { "success": True, **result, "message": f"Found {result['count']} orphaned wire(s)", } except Exception as e: logger.error(f"Error finding orphaned wires: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_list_floating_labels(self, params: Dict[str, Any]) -> Dict[str, Any]: """List net labels that are not connected to any component pin""" logger.info("Listing floating net labels in schematic") try: from commands.wire_connectivity import list_floating_labels schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} schematic = SchematicManager.load_schematic(schematic_path) if not schematic: return {"success": False, "message": "Failed to load schematic"} labels = list_floating_labels(schematic, schematic_path) return { "success": True, "floating_labels": labels, "count": len(labels), "message": f"Found {len(labels)} floating label(s)", } except Exception as e: logger.error(f"Error listing floating labels: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_snap_to_grid(self, params: Dict[str, Any]) -> Dict[str, Any]: """Snap schematic element coordinates to the nearest grid point""" logger.info("Snapping schematic elements to grid") try: from pathlib import Path from commands.schematic_snap import snap_to_grid schematic_path = params.get("schematicPath") if not schematic_path: return {"success": False, "message": "schematicPath is required"} grid_size = float(params.get("gridSize", 1.27)) elements = params.get("elements") # None → defaults inside snap_to_grid result = snap_to_grid(Path(schematic_path), grid_size=grid_size, elements=elements) total = result["snapped"] + result["already_on_grid"] return { "success": True, **result, "message": ( f"Snapped {result['snapped']} element(s) to {grid_size} mm grid " f"({result['already_on_grid']} of {total} were already on grid)" ), } except Exception as e: logger.error(f"Error snapping to grid: {e}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_import_svg_logo(self, params: Dict[str, Any]) -> Dict[str, Any]: """Import an SVG file as PCB graphic polygons on the silkscreen""" logger.info("Importing SVG logo into PCB") try: from commands.svg_import import import_svg_to_pcb pcb_path = params.get("pcbPath") svg_path = params.get("svgPath") x = float(params.get("x", 0)) y = float(params.get("y", 0)) width = float(params.get("width", 10)) layer = params.get("layer", "F.SilkS") stroke_width = float(params.get("strokeWidth", 0)) filled = bool(params.get("filled", True)) if not pcb_path or not svg_path: return { "success": False, "message": "Missing required parameters: pcbPath, svgPath", } result = import_svg_to_pcb(pcb_path, svg_path, x, y, width, layer, stroke_width, filled) # import_svg_to_pcb writes gr_poly entries directly to the .kicad_pcb file, # bypassing the pcbnew in-memory board object. Any subsequent board.Save() # call would overwrite the file with the stale in-memory state, erasing the # logo. Reload the board from disk so pcbnew's memory matches the file. if result.get("success") and self.board: try: self.board = pcbnew.LoadBoard(pcb_path) # Propagate updated board reference to all command handlers self._update_command_handlers() logger.info("Reloaded board into pcbnew after SVG logo import") except Exception as reload_err: logger.warning( f"Board reload after SVG import failed (non-fatal): {reload_err}" ) return result except Exception as e: logger.error(f"Error importing SVG logo: {str(e)}") import traceback logger.error(traceback.format_exc()) return {"success": False, "message": str(e)} def _handle_snapshot_project(self, params: Dict[str, Any]) -> Dict[str, Any]: """Copy the entire project folder to a snapshot directory for checkpoint/resume.""" import shutil from datetime import datetime from pathlib import Path try: step = params.get("step", "") label = params.get("label", "") prompt_text = params.get("prompt", "") # Determine project directory from loaded board or explicit path project_dir = None if self.board: board_file = self.board.GetFileName() if board_file: project_dir = str(Path(board_file).parent) if not project_dir: project_dir = params.get("projectPath") if not project_dir or not os.path.isdir(project_dir): return { "success": False, "message": "Could not determine project directory for snapshot", } ts = datetime.now().strftime("%Y%m%d_%H%M%S") # Save prompt + log into logs/ subdirectory before snapshotting logs_dir = Path(project_dir) / "logs" logs_dir.mkdir(exist_ok=True) prompt_file = None if prompt_text: prompt_filename = f"PROMPT_step{step}_{ts}.md" if step else f"PROMPT_{ts}.md" prompt_file = logs_dir / prompt_filename prompt_file.write_text(prompt_text, encoding="utf-8") logger.info(f"Prompt saved: {prompt_file}") # Copy current MCP session log into logs/ before snapshotting import platform system = platform.system() if system == "Windows": mcp_log_dir = os.path.join(os.environ.get("APPDATA", ""), "Claude", "logs") elif system == "Darwin": mcp_log_dir = os.path.expanduser("~/Library/Logs/Claude") else: mcp_log_dir = os.path.expanduser("~/.config/Claude/logs") mcp_log_src = os.path.join(mcp_log_dir, "mcp-server-kicad.log") mcp_log_dest = None if os.path.exists(mcp_log_src): with open(mcp_log_src, "r", encoding="utf-8", errors="replace") as f: all_lines = f.readlines() session_start = 0 for i, line in enumerate(all_lines): if "Initializing server" in line: session_start = i session_lines = all_lines[session_start:] log_filename = f"mcp_log_step{step}_{ts}.txt" if step else f"mcp_log_{ts}.txt" mcp_log_dest = logs_dir / log_filename with open(mcp_log_dest, "w", encoding="utf-8") as f: f.writelines(session_lines) logger.info(f"MCP session log saved: {mcp_log_dest} ({len(session_lines)} lines)") base_name = Path(project_dir).name suffix_parts = [p for p in [f"step{step}" if step else "", label, ts] if p] snapshot_name = base_name + "_snapshot_" + "_".join(suffix_parts) snapshots_base = Path(project_dir) / "snapshots" snapshots_base.mkdir(exist_ok=True) snapshot_dir = str(snapshots_base / snapshot_name) shutil.copytree(project_dir, snapshot_dir, ignore=shutil.ignore_patterns("snapshots")) logger.info(f"Project snapshot saved: {snapshot_dir}") return { "success": True, "message": f"Snapshot saved: {snapshot_name}", "snapshotPath": snapshot_dir, "sourceDir": project_dir, "promptSaved": str(prompt_file) if prompt_file else None, "mcpLogSaved": str(mcp_log_dest) if mcp_log_dest else None, } except Exception as e: logger.error(f"snapshot_project error: {e}") return {"success": False, "message": str(e)} def _handle_check_kicad_ui(self, params: Dict[str, Any]) -> Dict[str, Any]: """Check if KiCAD UI is running""" logger.info("Checking if KiCAD UI is running") try: manager = KiCADProcessManager() is_running = manager.is_running() processes = manager.get_process_info() if is_running else [] return { "success": True, "running": is_running, "processes": processes, "message": "KiCAD is running" if is_running else "KiCAD is not running", } except Exception as e: logger.error(f"Error checking KiCAD UI status: {str(e)}") return {"success": False, "message": str(e)} def _handle_launch_kicad_ui(self, params: Dict[str, Any]) -> Dict[str, Any]: """Launch KiCAD UI""" logger.info("Launching KiCAD UI") try: project_path = params.get("projectPath") auto_launch = params.get("autoLaunch", AUTO_LAUNCH_KICAD) # Convert project path to Path object if provided from pathlib import Path path_obj = Path(project_path) if project_path else None result = check_and_launch_kicad(path_obj, auto_launch) return {"success": True, **result} except Exception as e: logger.error(f"Error launching KiCAD UI: {str(e)}") return {"success": False, "message": str(e)} def _handle_refill_zones(self, params: Dict[str, Any]) -> Dict[str, Any]: """Refill all copper pour zones on the board. pcbnew.ZONE_FILLER.Fill() can cause a C++ access violation (0xC0000005) that crashes the entire Python process when called from SWIG outside KiCAD UI. To avoid killing the main process we run the fill in an isolated subprocess. If the subprocess crashes or times out, we return a non-fatal warning so the caller can continue — KiCAD Pcbnew will refill zones automatically when the board is opened (press B). """ logger.info("Refilling zones (subprocess isolation)") try: if not self.board: return { "success": False, "message": "No board is loaded", "errorDetails": "Load or create a board first", } # First save the board so the subprocess can load it fresh board_path = self.board.GetFileName() if not board_path: return { "success": False, "message": "Board has no file path — save first", } self.board.Save(board_path) zone_count = self.board.GetAreaCount() if hasattr(self.board, "GetAreaCount") else 0 # Run pcbnew zone fill in an isolated subprocess to prevent crashes import subprocess import sys import textwrap script = textwrap.dedent(f""" import pcbnew, sys board = pcbnew.LoadBoard({repr(board_path)}) filler = pcbnew.ZONE_FILLER(board) filler.Fill(board.Zones()) board.Save({repr(board_path)}) print("ok") """) try: result = subprocess.run( [sys.executable, "-c", script], capture_output=True, text=True, timeout=60, ) if result.returncode == 0 and "ok" in result.stdout: # Reload board after subprocess modified it self.board = pcbnew.LoadBoard(board_path) self._update_command_handlers() logger.info("Zone fill subprocess succeeded") return { "success": True, "message": f"Zones refilled successfully ({zone_count} zones)", "zoneCount": zone_count, } else: logger.warning( f"Zone fill subprocess failed: rc={result.returncode} stderr={result.stderr[:200]}" ) return { "success": False, "message": "Zone fill failed in subprocess — zones are defined and will fill when opened in KiCAD (press B). Continuing is safe.", "zoneCount": zone_count, "details": (result.stderr[:300] if result.stderr else result.stdout[:300]), } except subprocess.TimeoutExpired: logger.warning("Zone fill subprocess timed out after 60s") return { "success": False, "message": "Zone fill timed out — zones are defined and will fill when opened in KiCAD (press B). Continuing is safe.", "zoneCount": zone_count, } except Exception as e: logger.error(f"Error refilling zones: {str(e)}") return {"success": False, "message": str(e)} # ========================================================================= # IPC Backend handlers - these provide real-time UI synchronization # These methods are called automatically when IPC is available # ========================================================================= def _ipc_route_trace(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for route_trace - adds track with real-time UI update""" try: # Extract parameters matching the existing route_trace interface start = params.get("start", {}) end = params.get("end", {}) layer = params.get("layer", "F.Cu") width = params.get("width", 0.25) net = params.get("net") # Handle both dict format and direct x/y start_x = start.get("x", 0) if isinstance(start, dict) else params.get("startX", 0) start_y = start.get("y", 0) if isinstance(start, dict) else params.get("startY", 0) end_x = end.get("x", 0) if isinstance(end, dict) else params.get("endX", 0) end_y = end.get("y", 0) if isinstance(end, dict) else params.get("endY", 0) success = self.ipc_board_api.add_track( start_x=start_x, start_y=start_y, end_x=end_x, end_y=end_y, width=width, layer=layer, net_name=net, ) return { "success": success, "message": ( "Added trace (visible in KiCAD UI)" if success else "Failed to add trace" ), "trace": { "start": {"x": start_x, "y": start_y, "unit": "mm"}, "end": {"x": end_x, "y": end_y, "unit": "mm"}, "layer": layer, "width": width, "net": net, }, } except Exception as e: logger.error(f"IPC route_trace error: {e}") return {"success": False, "message": str(e)} def _ipc_route_arc_trace(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for route_arc_trace - adds copper arc with real-time UI update""" try: start = params.get("start", {}) mid = params.get("mid", {}) end = params.get("end", {}) layer = params.get("layer", "F.Cu") width = params.get("width", 0.25) net = params.get("net") start_x = start.get("x", 0) start_y = start.get("y", 0) mid_x = mid.get("x", 0) mid_y = mid.get("y", 0) end_x = end.get("x", 0) end_y = end.get("y", 0) if not hasattr(self.ipc_board_api, "add_arc_track"): return { "success": False, "message": "IPC backend does not support arc track on this installation", } success = self.ipc_board_api.add_arc_track( start_x=start_x, start_y=start_y, mid_x=mid_x, mid_y=mid_y, end_x=end_x, end_y=end_y, width=width, layer=layer, net_name=net, ) return { "success": success, "message": ( "Added arc trace (visible in KiCAD UI)" if success else "Failed to add arc trace" ), "arc": { "start": {"x": start_x, "y": start_y, "unit": "mm"}, "mid": {"x": mid_x, "y": mid_y, "unit": "mm"}, "end": {"x": end_x, "y": end_y, "unit": "mm"}, "layer": layer, "width": width, "net": net, }, } except Exception as e: logger.error(f"IPC route_arc_trace error: {e}") return {"success": False, "message": str(e)} def _ipc_add_via(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for add_via - adds via with real-time UI update""" try: position = params.get("position", {}) x = position.get("x", 0) if isinstance(position, dict) else params.get("x", 0) y = position.get("y", 0) if isinstance(position, dict) else params.get("y", 0) size = params.get("size", 0.8) drill = params.get("drill", 0.4) net = params.get("net") from_layer = params.get("from_layer", "F.Cu") to_layer = params.get("to_layer", "B.Cu") success = self.ipc_board_api.add_via( x=x, y=y, diameter=size, drill=drill, net_name=net, via_type="through" ) return { "success": success, "message": ("Added via (visible in KiCAD UI)" if success else "Failed to add via"), "via": { "position": {"x": x, "y": y, "unit": "mm"}, "size": size, "drill": drill, "from_layer": from_layer, "to_layer": to_layer, "net": net, }, } except Exception as e: logger.error(f"IPC add_via error: {e}") return {"success": False, "message": str(e)} def _ipc_add_net(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for add_net""" # Note: Net creation via IPC is limited - nets are typically created # when components are placed. Return success for compatibility. name = params.get("name") logger.info(f"IPC add_net: {name} (nets auto-created with components)") return { "success": True, "message": f"Net '{name}' will be created when components are connected", "net": {"name": name}, } def _ipc_add_copper_pour(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for add_copper_pour - adds zone with real-time UI update""" try: layer = params.get("layer", "F.Cu") net = params.get("net") clearance = params.get("clearance", 0.5) min_width = params.get("minWidth", 0.25) points = params.get("points", []) priority = params.get("priority", 0) fill_type = params.get("fillType", "solid") name = params.get("name", "") if not points or len(points) < 3: return { "success": False, "message": "At least 3 points are required for copper pour outline", } # Convert points format if needed (handle both {x, y} and {x, y, unit}) formatted_points = [] for point in points: formatted_points.append({"x": point.get("x", 0), "y": point.get("y", 0)}) success = self.ipc_board_api.add_zone( points=formatted_points, layer=layer, net_name=net, clearance=clearance, min_thickness=min_width, priority=priority, fill_mode=fill_type, name=name, ) return { "success": success, "message": ( "Added copper pour (visible in KiCAD UI)" if success else "Failed to add copper pour" ), "pour": { "layer": layer, "net": net, "clearance": clearance, "minWidth": min_width, "priority": priority, "fillType": fill_type, "pointCount": len(points), }, } except Exception as e: logger.error(f"IPC add_copper_pour error: {e}") return {"success": False, "message": str(e)} def _ipc_refill_zones(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for refill_zones - refills all zones with real-time UI update""" try: success = self.ipc_board_api.refill_zones() return { "success": success, "message": ( "Zones refilled (visible in KiCAD UI)" if success else "Failed to refill zones" ), } except Exception as e: logger.error(f"IPC refill_zones error: {e}") return {"success": False, "message": str(e)} def _ipc_add_text(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for add_text/add_board_text - adds text with real-time UI update""" try: text = params.get("text", "") position = params.get("position", {}) x = position.get("x", 0) if isinstance(position, dict) else params.get("x", 0) y = position.get("y", 0) if isinstance(position, dict) else params.get("y", 0) layer = params.get("layer", "F.SilkS") size = params.get("size", 1.0) rotation = params.get("rotation", 0) success = self.ipc_board_api.add_text( text=text, x=x, y=y, layer=layer, size=size, rotation=rotation ) return { "success": success, "message": ( f"Added text '{text}' (visible in KiCAD UI)" if success else "Failed to add text" ), } except Exception as e: logger.error(f"IPC add_text error: {e}") return {"success": False, "message": str(e)} def _ipc_set_board_size(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for set_board_size""" try: width = params.get("width", 100) height = params.get("height", 100) unit = params.get("unit", "mm") success = self.ipc_board_api.set_size(width, height, unit) return { "success": success, "message": ( f"Board size set to {width}x{height} {unit} (visible in KiCAD UI)" if success else "Failed to set board size" ), "boardSize": {"width": width, "height": height, "unit": unit}, } except Exception as e: logger.error(f"IPC set_board_size error: {e}") return {"success": False, "message": str(e)} def _ipc_get_board_info(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for get_board_info""" try: size = self.ipc_board_api.get_size() components = self.ipc_board_api.list_components() tracks = self.ipc_board_api.get_tracks() vias = self.ipc_board_api.get_vias() nets = self.ipc_board_api.get_nets() return { "success": True, "boardInfo": { "size": size, "componentCount": len(components), "trackCount": len(tracks), "viaCount": len(vias), "netCount": len(nets), "backend": "ipc", "realtime": True, }, } except Exception as e: logger.error(f"IPC get_board_info error: {e}") return {"success": False, "message": str(e)} def _ipc_place_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for place_component - places component with real-time UI update""" try: reference = params.get("reference", params.get("componentId", "")) footprint = params.get("footprint", "") position = params.get("position", {}) x = position.get("x", 0) if isinstance(position, dict) else params.get("x", 0) y = position.get("y", 0) if isinstance(position, dict) else params.get("y", 0) unit = position.get("unit", "mm") if isinstance(position, dict) else "mm" rotation = params.get("rotation", 0) layer = params.get("layer", "F.Cu") value = params.get("value", "") # Convert inches to mm since ipc_backend expects mm if unit == "inch": x = x * 25.4 y = y * 25.4 success = self.ipc_board_api.place_component( reference=reference, footprint=footprint, x=x, y=y, rotation=rotation, layer=layer, value=value, ) return { "success": success, "message": ( f"Placed component {reference} (visible in KiCAD UI)" if success else "Failed to place component" ), "component": { "reference": reference, "footprint": footprint, "position": {"x": x, "y": y, "unit": "mm"}, "rotation": rotation, "layer": layer, }, } except Exception as e: logger.error(f"IPC place_component error: {e}") return {"success": False, "message": str(e)} def _ipc_move_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for move_component - moves component with real-time UI update""" try: reference = params.get("reference", params.get("componentId", "")) position = params.get("position", {}) x = position.get("x", 0) if isinstance(position, dict) else params.get("x", 0) y = position.get("y", 0) if isinstance(position, dict) else params.get("y", 0) unit = position.get("unit", "mm") if isinstance(position, dict) else "mm" rotation = params.get("rotation") # Convert inches to mm since ipc_backend.move_component expects mm if unit == "inch": x = x * 25.4 y = y * 25.4 success = self.ipc_board_api.move_component( reference=reference, x=x, y=y, rotation=rotation ) return { "success": success, "message": ( f"Moved component {reference} (visible in KiCAD UI)" if success else "Failed to move component" ), } except Exception as e: logger.error(f"IPC move_component error: {e}") return {"success": False, "message": str(e)} def _ipc_delete_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for delete_component - deletes component with real-time UI update""" try: reference = params.get("reference", params.get("componentId", "")) success = self.ipc_board_api.delete_component(reference=reference) return { "success": success, "message": ( f"Deleted component {reference} (visible in KiCAD UI)" if success else "Failed to delete component" ), } except Exception as e: logger.error(f"IPC delete_component error: {e}") return {"success": False, "message": str(e)} def _ipc_get_component_list(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for get_component_list""" try: components = self.ipc_board_api.list_components() return {"success": True, "components": components, "count": len(components)} except Exception as e: logger.error(f"IPC get_component_list error: {e}") return {"success": False, "message": str(e)} def _ipc_save_project(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for save_project""" try: success = self.ipc_board_api.save() return { "success": success, "message": "Project saved" if success else "Failed to save project", } except Exception as e: logger.error(f"IPC save_project error: {e}") return {"success": False, "message": str(e)} def _ipc_delete_trace(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for delete_trace - Note: IPC doesn't support direct trace deletion yet""" # IPC API doesn't have a direct delete track method # Fall back to SWIG for this operation logger.info("delete_trace: Falling back to SWIG (IPC doesn't support trace deletion)") return self.routing_commands.delete_trace(params) def _ipc_get_nets_list(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for get_nets_list - gets nets with real-time data""" try: nets = self.ipc_board_api.get_nets() return {"success": True, "nets": nets, "count": len(nets)} except Exception as e: logger.error(f"IPC get_nets_list error: {e}") return {"success": False, "message": str(e)} def _ipc_add_board_outline(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for add_board_outline - adds board edge with real-time UI update. Rounded rectangles are delegated to the SWIG path because the IPC BoardSegment type cannot represent arcs; the SWIG path writes directly to the .kicad_pcb file and correctly generates PCB_SHAPE arcs for rounded corners. """ shape = params.get("shape", "rectangle") if shape in ("rounded_rectangle", "rectangle"): # IPC path only supports straight segments from a points list, # but Claude sends rectangle/rounded_rectangle as shape+width+height. # Fall back to the SWIG path which correctly handles both shapes. logger.info(f"_ipc_add_board_outline: delegating {shape} to SWIG path") return self.board_commands.add_board_outline(params) try: from kipy.board_types import BoardSegment from kipy.geometry import Vector2 from kipy.proto.board.board_types_pb2 import BoardLayer from kipy.util.units import from_mm board = self.ipc_board_api._get_board() # Unwrap nested params (Claude sends {"shape":..., "params":{...}}) inner = params.get("params", params) points = inner.get("points", params.get("points", [])) width = inner.get("width", params.get("width", 0.1)) if len(points) < 2: return { "success": False, "message": "At least 2 points required for board outline", } commit = board.begin_commit() lines_created = 0 # Create line segments connecting the points for i in range(len(points)): start = points[i] end = points[(i + 1) % len(points)] # Wrap around to close the outline segment = BoardSegment() segment.start = Vector2.from_xy( from_mm(start.get("x", 0)), from_mm(start.get("y", 0)) ) segment.end = Vector2.from_xy(from_mm(end.get("x", 0)), from_mm(end.get("y", 0))) segment.layer = BoardLayer.BL_Edge_Cuts segment.attributes.stroke.width = from_mm(width) board.create_items(segment) lines_created += 1 board.push_commit(commit, "Added board outline") return { "success": True, "message": f"Added board outline with {lines_created} segments (visible in KiCAD UI)", "segments": lines_created, } except Exception as e: logger.error(f"IPC add_board_outline error: {e}") return {"success": False, "message": str(e)} def _ipc_add_mounting_hole(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for add_mounting_hole - adds mounting hole with real-time UI update""" try: from kipy.board_types import BoardCircle from kipy.geometry import Vector2 from kipy.proto.board.board_types_pb2 import BoardLayer from kipy.util.units import from_mm board = self.ipc_board_api._get_board() x = params.get("x", 0) y = params.get("y", 0) diameter = params.get("diameter", 3.2) # M3 hole default commit = board.begin_commit() # Create circle on Edge.Cuts layer for the hole circle = BoardCircle() circle.center = Vector2.from_xy(from_mm(x), from_mm(y)) circle.radius = from_mm(diameter / 2) circle.layer = BoardLayer.BL_Edge_Cuts circle.attributes.stroke.width = from_mm(0.1) board.create_items(circle) board.push_commit(commit, f"Added mounting hole at ({x}, {y})") return { "success": True, "message": f"Added mounting hole at ({x}, {y}) mm (visible in KiCAD UI)", "hole": {"position": {"x": x, "y": y}, "diameter": diameter}, } except Exception as e: logger.error(f"IPC add_mounting_hole error: {e}") return {"success": False, "message": str(e)} def _ipc_get_layer_list(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for get_layer_list - gets enabled layers""" try: layers = self.ipc_board_api.get_enabled_layers() return {"success": True, "layers": layers, "count": len(layers)} except Exception as e: logger.error(f"IPC get_layer_list error: {e}") return {"success": False, "message": str(e)} def _ipc_rotate_component(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for rotate_component - rotates component with real-time UI update""" try: reference = params.get("reference", params.get("componentId", "")) angle = params.get("angle", params.get("rotation", 90)) # Get current component to find its position components = self.ipc_board_api.list_components() target = None for comp in components: if comp.get("reference") == reference: target = comp break if not target: return {"success": False, "message": f"Component {reference} not found"} # Use angle as absolute rotation (matches schema description) new_rotation = angle % 360 # Use move_component with new rotation (position stays the same) success = self.ipc_board_api.move_component( reference=reference, x=target.get("position", {}).get("x", 0), y=target.get("position", {}).get("y", 0), rotation=new_rotation, ) return { "success": success, "message": ( f"Rotated component {reference} by {angle}° (visible in KiCAD UI)" if success else "Failed to rotate component" ), "newRotation": new_rotation, } except Exception as e: logger.error(f"IPC rotate_component error: {e}") return {"success": False, "message": str(e)} def _ipc_get_component_properties(self, params: Dict[str, Any]) -> Dict[str, Any]: """IPC handler for get_component_properties - gets detailed component info""" try: reference = params.get("reference", params.get("componentId", "")) components = self.ipc_board_api.list_components() target = None for comp in components: if comp.get("reference") == reference: target = comp break if not target: return {"success": False, "message": f"Component {reference} not found"} return {"success": True, "component": target} except Exception as e: logger.error(f"IPC get_component_properties error: {e}") return {"success": False, "message": str(e)} # ========================================================================= # Legacy IPC command handlers (explicit ipc_* commands) # ========================================================================= def _handle_get_backend_info(self, params: Dict[str, Any]) -> Dict[str, Any]: """Get information about the current backend""" return { "success": True, "backend": "ipc" if self.use_ipc else "swig", "realtime_sync": self.use_ipc, "ipc_connected": (self.ipc_backend.is_connected() if self.ipc_backend else False), "version": self.ipc_backend.get_version() if self.ipc_backend else "N/A", "message": ( "Using IPC backend with real-time UI sync" if self.use_ipc else "Using SWIG backend (requires manual reload)" ), } def _handle_ipc_add_track(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add a track using IPC backend (real-time)""" if not self.use_ipc or not self.ipc_board_api: return {"success": False, "message": "IPC backend not available"} try: success = self.ipc_board_api.add_track( start_x=params.get("startX", 0), start_y=params.get("startY", 0), end_x=params.get("endX", 0), end_y=params.get("endY", 0), width=params.get("width", 0.25), layer=params.get("layer", "F.Cu"), net_name=params.get("net"), ) return { "success": success, "message": ( "Track added (visible in KiCAD UI)" if success else "Failed to add track" ), "realtime": True, } except Exception as e: logger.error(f"Error adding track via IPC: {e}") return {"success": False, "message": str(e)} def _handle_ipc_add_via(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add a via using IPC backend (real-time)""" if not self.use_ipc or not self.ipc_board_api: return {"success": False, "message": "IPC backend not available"} try: success = self.ipc_board_api.add_via( x=params.get("x", 0), y=params.get("y", 0), diameter=params.get("diameter", 0.8), drill=params.get("drill", 0.4), net_name=params.get("net"), via_type=params.get("type", "through"), ) return { "success": success, "message": ("Via added (visible in KiCAD UI)" if success else "Failed to add via"), "realtime": True, } except Exception as e: logger.error(f"Error adding via via IPC: {e}") return {"success": False, "message": str(e)} def _handle_ipc_add_text(self, params: Dict[str, Any]) -> Dict[str, Any]: """Add text using IPC backend (real-time)""" if not self.use_ipc or not self.ipc_board_api: return {"success": False, "message": "IPC backend not available"} try: success = self.ipc_board_api.add_text( text=params.get("text", ""), x=params.get("x", 0), y=params.get("y", 0), layer=params.get("layer", "F.SilkS"), size=params.get("size", 1.0), rotation=params.get("rotation", 0), ) return { "success": success, "message": ( "Text added (visible in KiCAD UI)" if success else "Failed to add text" ), "realtime": True, } except Exception as e: logger.error(f"Error adding text via IPC: {e}") return {"success": False, "message": str(e)} def _handle_ipc_list_components(self, params: Dict[str, Any]) -> Dict[str, Any]: """List components using IPC backend""" if not self.use_ipc or not self.ipc_board_api: return {"success": False, "message": "IPC backend not available"} try: components = self.ipc_board_api.list_components() return {"success": True, "components": components, "count": len(components)} except Exception as e: logger.error(f"Error listing components via IPC: {e}") return {"success": False, "message": str(e)} def _handle_ipc_get_tracks(self, params: Dict[str, Any]) -> Dict[str, Any]: """Get tracks using IPC backend""" if not self.use_ipc or not self.ipc_board_api: return {"success": False, "message": "IPC backend not available"} try: tracks = self.ipc_board_api.get_tracks() return {"success": True, "tracks": tracks, "count": len(tracks)} except Exception as e: logger.error(f"Error getting tracks via IPC: {e}") return {"success": False, "message": str(e)} def _handle_ipc_get_vias(self, params: Dict[str, Any]) -> Dict[str, Any]: """Get vias using IPC backend""" if not self.use_ipc or not self.ipc_board_api: return {"success": False, "message": "IPC backend not available"} try: vias = self.ipc_board_api.get_vias() return {"success": True, "vias": vias, "count": len(vias)} except Exception as e: logger.error(f"Error getting vias via IPC: {e}") return {"success": False, "message": str(e)} def _handle_ipc_save_board(self, params: Dict[str, Any]) -> Dict[str, Any]: """Save board using IPC backend""" if not self.use_ipc or not self.ipc_board_api: return {"success": False, "message": "IPC backend not available"} try: success = self.ipc_board_api.save() return { "success": success, "message": "Board saved" if success else "Failed to save board", } except Exception as e: logger.error(f"Error saving board via IPC: {e}") return {"success": False, "message": str(e)} # JLCPCB API handlers def _handle_download_jlcpcb_database(self, params: Dict[str, Any]) -> Dict[str, Any]: """Download JLCPCB parts database from JLCSearch API""" try: force = params.get("force", False) # Check if database exists import os stats = self.jlcpcb_parts.get_database_stats() if stats["total_parts"] > 0 and not force: return { "success": False, "message": "Database already exists. Use force=true to re-download.", "stats": stats, } logger.info("Downloading JLCPCB parts database from JLCSearch...") # Download parts from JLCSearch public API (no auth required) parts = self.jlcsearch_client.download_all_components( callback=lambda total, msg: logger.info(f"{msg}") ) # Import into database logger.info(f"Importing {len(parts)} parts into database...") self.jlcpcb_parts.import_jlcsearch_parts( parts, progress_callback=lambda curr, total, msg: logger.info(msg) ) # Get final stats stats = self.jlcpcb_parts.get_database_stats() # Calculate database size db_size_mb = os.path.getsize(self.jlcpcb_parts.db_path) / (1024 * 1024) return { "success": True, "total_parts": stats["total_parts"], "basic_parts": stats["basic_parts"], "extended_parts": stats["extended_parts"], "db_size_mb": round(db_size_mb, 2), "db_path": stats["db_path"], } except Exception as e: logger.error(f"Error downloading JLCPCB database: {e}", exc_info=True) return { "success": False, "message": f"Failed to download database: {str(e)}", } def _handle_search_jlcpcb_parts(self, params: Dict[str, Any]) -> Dict[str, Any]: """Search JLCPCB parts database""" try: query = params.get("query") category = params.get("category") package = params.get("package") library_type = params.get("library_type", "All") manufacturer = params.get("manufacturer") in_stock = params.get("in_stock", True) limit = params.get("limit", 20) # Adjust library_type filter if library_type == "All": library_type = None parts = self.jlcpcb_parts.search_parts( query=query, category=category, package=package, library_type=library_type, manufacturer=manufacturer, in_stock=in_stock, limit=limit, ) # Add price breaks and footprints to each part for part in parts: if part.get("price_json"): try: part["price_breaks"] = json.loads(part["price_json"]) except: part["price_breaks"] = [] return {"success": True, "parts": parts, "count": len(parts)} except Exception as e: logger.error(f"Error searching JLCPCB parts: {e}", exc_info=True) return {"success": False, "message": f"Search failed: {str(e)}"} def _handle_get_jlcpcb_part(self, params: Dict[str, Any]) -> Dict[str, Any]: """Get detailed information for a specific JLCPCB part""" try: lcsc_number = params.get("lcsc_number") if not lcsc_number: return {"success": False, "message": "Missing lcsc_number parameter"} part = self.jlcpcb_parts.get_part_info(lcsc_number) if not part: return {"success": False, "message": f"Part not found: {lcsc_number}"} # Get suggested KiCAD footprints footprints = self.jlcpcb_parts.map_package_to_footprint(part.get("package", "")) return {"success": True, "part": part, "footprints": footprints} except Exception as e: logger.error(f"Error getting JLCPCB part: {e}", exc_info=True) return {"success": False, "message": f"Failed to get part info: {str(e)}"} def _handle_get_jlcpcb_database_stats(self, params: Dict[str, Any]) -> Dict[str, Any]: """Get statistics about JLCPCB database""" try: stats = self.jlcpcb_parts.get_database_stats() return {"success": True, "stats": stats} except Exception as e: logger.error(f"Error getting database stats: {e}", exc_info=True) return {"success": False, "message": f"Failed to get stats: {str(e)}"} def _handle_suggest_jlcpcb_alternatives(self, params: Dict[str, Any]) -> Dict[str, Any]: """Suggest alternative JLCPCB parts""" try: lcsc_number = params.get("lcsc_number") limit = params.get("limit", 5) if not lcsc_number: return {"success": False, "message": "Missing lcsc_number parameter"} # Get original part for price comparison original_part = self.jlcpcb_parts.get_part_info(lcsc_number) reference_price = None if original_part and original_part.get("price_breaks"): try: reference_price = float(original_part["price_breaks"][0].get("price", 0)) except: pass alternatives = self.jlcpcb_parts.suggest_alternatives(lcsc_number, limit) # Add price breaks to alternatives for part in alternatives: if part.get("price_json"): try: part["price_breaks"] = json.loads(part["price_json"]) except: part["price_breaks"] = [] return { "success": True, "alternatives": alternatives, "reference_price": reference_price, } except Exception as e: logger.error(f"Error suggesting alternatives: {e}", exc_info=True) return { "success": False, "message": f"Failed to suggest alternatives: {str(e)}", } def _handle_enrich_datasheets(self, params: Dict[str, Any]) -> Dict[str, Any]: """Enrich schematic Datasheet fields from LCSC numbers""" try: from pathlib import Path schematic_path = params.get("schematic_path") if not schematic_path: return {"success": False, "message": "Missing schematic_path parameter"} dry_run = params.get("dry_run", False) manager = DatasheetManager() return manager.enrich_schematic(Path(schematic_path), dry_run=dry_run) except Exception as e: logger.error(f"Error enriching datasheets: {e}", exc_info=True) return { "success": False, "message": f"Failed to enrich datasheets: {str(e)}", } def _handle_get_datasheet_url(self, params: Dict[str, Any]) -> Dict[str, Any]: """Return LCSC datasheet and product URLs for a part number""" try: lcsc = params.get("lcsc", "") if not lcsc: return {"success": False, "message": "Missing lcsc parameter"} manager = DatasheetManager() datasheet_url = manager.get_datasheet_url(lcsc) product_url = manager.get_product_url(lcsc) if not datasheet_url: return {"success": False, "message": f"Invalid LCSC number: {lcsc}"} norm = manager._normalize_lcsc(lcsc) return { "success": True, "lcsc": norm, "datasheet_url": datasheet_url, "product_url": product_url, } except Exception as e: logger.error(f"Error getting datasheet URL: {e}", exc_info=True) return { "success": False, "message": f"Failed to get datasheet URL: {str(e)}", } def _write_response(response_fd: Any, response: Any) -> None: """Write a JSON response to the original stdout fd. All response output goes through this function so that stray C-level writes from pcbnew (warnings, diagnostics) never corrupt the JSON framing seen by the TypeScript host. """ payload = json.dumps(response) + "\n" os.write(response_fd, payload.encode("utf-8")) def main() -> None: """Main entry point""" # --- Redirect stdout so pcbnew C++ noise never reaches the TS host --- # Save the real stdout fd for our exclusive JSON response channel. _response_fd = os.dup(1) # Point fd 1 (C-level stdout) at stderr so that any printf / std::cout # output from pcbnew or other C extensions is visible in logs but does # NOT corrupt the JSON stream the TypeScript side is parsing. os.dup2(2, 1) # Also redirect Python-level stdout to stderr for the same reason. sys.stdout = sys.stderr logger.info("Starting KiCAD interface...") interface = KiCADInterface() try: logger.info("Processing commands from stdin...") # Process commands from stdin for line in sys.stdin: try: # Parse command logger.debug(f"Received input: {line.strip()}") command_data = json.loads(line) # Check if this is JSON-RPC 2.0 format if "jsonrpc" in command_data and command_data["jsonrpc"] == "2.0": logger.info("Detected JSON-RPC 2.0 format message") method = command_data.get("method") params = command_data.get("params", {}) request_id = command_data.get("id") # Handle MCP protocol methods if method == "initialize": logger.info("Handling MCP initialize") response = { "jsonrpc": "2.0", "id": request_id, "result": { "protocolVersion": "2025-06-18", "capabilities": { "tools": {"listChanged": True}, "resources": { "subscribe": False, "listChanged": True, }, }, "serverInfo": { "name": "kicad-mcp-server", "title": "KiCAD PCB Design Assistant", "version": "2.1.0-alpha", }, "instructions": "AI-assisted PCB design with KiCAD. Use tools to create projects, design boards, place components, route traces, and export manufacturing files.", }, } elif method == "tools/list": logger.info("Handling MCP tools/list") # Return list of available tools with proper schemas tools = [] for cmd_name in interface.command_routes.keys(): if cmd_name in TOOL_SCHEMAS: # Enrich the existing schema with IPC annotation data # (adds description/blocking hints where the schema lacks them) tool_def = _annotation_loader.enrich_schema( cmd_name, TOOL_SCHEMAS[cmd_name] ) tools.append(tool_def) else: # Build a best-effort schema from IPC annotations ann_desc = _annotation_loader.description(cmd_name) if ann_desc: logger.debug(f"Using IPC annotation for tool: {cmd_name}") else: logger.warning(f"No schema or annotation for tool: {cmd_name}") tools.append( _annotation_loader.enrich_schema( cmd_name, { "name": cmd_name, "description": ann_desc or f"KiCAD command: {cmd_name}", "inputSchema": { "type": "object", "properties": {}, }, }, ) ) logger.info(f"Returning {len(tools)} tools") response = { "jsonrpc": "2.0", "id": request_id, "result": {"tools": tools}, } elif method == "tools/call": logger.info("Handling MCP tools/call") tool_name = params.get("name") tool_params = params.get("arguments", {}) # Execute the command result = interface.handle_command(tool_name, tool_params) response = { "jsonrpc": "2.0", "id": request_id, "result": {"content": [{"type": "text", "text": json.dumps(result)}]}, } elif method == "resources/list": logger.info("Handling MCP resources/list") # Return list of available resources response = { "jsonrpc": "2.0", "id": request_id, "result": {"resources": RESOURCE_DEFINITIONS}, } elif method == "resources/read": logger.info("Handling MCP resources/read") resource_uri = params.get("uri") if not resource_uri: response = { "jsonrpc": "2.0", "id": request_id, "error": { "code": -32602, "message": "Missing required parameter: uri", }, } else: # Read the resource resource_data = handle_resource_read(resource_uri, interface) response = { "jsonrpc": "2.0", "id": request_id, "result": resource_data, } else: logger.error(f"Unknown JSON-RPC method: {method}") response = { "jsonrpc": "2.0", "id": request_id, "error": { "code": -32601, "message": f"Method not found: {method}", }, } else: # Handle legacy custom format logger.info("Detected custom format message") command = command_data.get("command") params = command_data.get("params", {}) if not command: logger.error("Missing command field") response = { "success": False, "message": "Missing command", "errorDetails": "The command field is required", } else: # Handle command response = interface.handle_command(command, params) # Send response via the clean fd (immune to pcbnew stdout noise) logger.debug(f"Sending response: {response}") _write_response(_response_fd, response) except json.JSONDecodeError as e: logger.error(f"Invalid JSON input: {str(e)}") response = { "success": False, "message": "Invalid JSON input", "errorDetails": str(e), } _write_response(_response_fd, response) except KeyboardInterrupt: logger.info("KiCAD interface stopped") sys.exit(0) except Exception as e: logger.error(f"Unexpected error: {str(e)}\n{traceback.format_exc()}") sys.exit(1) if __name__ == "__main__": main()