# -*- coding: utf-8 -*- import json import os from lxml import etree import traceback from collections import defaultdict # --- Namespaces --- ns = { "iface": "http://www.siemens.com/automation/Openness/SW/Interface/v5", "flg": "http://www.siemens.com/automation/Openness/SW/NetworkSource/FlgNet/v4", } # --- Helper Functions --- def get_multilingual_text(element, default_lang="en-US", fallback_lang="it-IT"): # (Sin cambios respecto a la versión anterior) if element is None: return "" try: xpath_expr = ( f".//*[local-name()='MultilingualTextItem'][*[local-name()='AttributeList']/*[local-name()='Culture' and text()='{default_lang}']]" f"/*[local-name()='AttributeList']/*[local-name()='Text']" ) text_items = element.xpath(xpath_expr) if text_items and text_items[0].text is not None: return text_items[0].text.strip() xpath_expr = ( f".//*[local-name()='MultilingualTextItem'][*[local-name()='AttributeList']/*[local-name()='Culture' and text()='{fallback_lang}']]" f"/*[local-name()='AttributeList']/*[local-name()='Text']" ) text_items = element.xpath(xpath_expr) if text_items and text_items[0].text is not None: return text_items[0].text.strip() xpath_expr = f".//*[local-name()='MultilingualTextItem']/*[local-name()='AttributeList']/*[local-name()='Text']" text_items = element.xpath(xpath_expr) if text_items and text_items[0].text is not None: return text_items[0].text.strip() return "" except Exception as e: print(f"Advertencia: Error extrayendo MultilingualText: {e}") return "" def get_symbol_name(symbol_element): # (Sin cambios respecto a la versión anterior) if symbol_element is None: return None try: components = symbol_element.xpath("./*[local-name()='Component']/@Name") return ".".join(f'"{c}"' for c in components) if components else None except Exception as e: print(f"Advertencia: Excepción en get_symbol_name: {e}") return None def parse_access(access_element): # (Sin cambios respecto a la versión anterior) if access_element is None: return None uid = access_element.get("UId"); scope = access_element.get("Scope") info = {"uid": uid, "scope": scope, "type": "unknown"} symbol = access_element.xpath("./*[local-name()='Symbol']") constant = access_element.xpath("./*[local-name()='Constant']") if symbol: info["type"] = "variable" info["name"] = get_symbol_name(symbol[0]) if info["name"] is None: info["type"] = "error_parsing_symbol"; print(f"Error: No se pudo parsear nombre símbolo Access UID={uid}"); return info elif constant: info["type"] = "constant" const_type_elem = constant[0].xpath("./*[local-name()='ConstantType']") const_val_elem = constant[0].xpath("./*[local-name()='ConstantValue']") info["datatype"] = const_type_elem[0].text if const_type_elem and const_type_elem[0].text is not None else "Unknown" value_str = const_val_elem[0].text if const_val_elem and const_val_elem[0].text is not None else None if value_str is None: info["type"] = "error_parsing_constant"; info["value"] = None; print(f"Error: Constante sin valor Access UID={uid}"); return info if info["datatype"] == "Unknown": val_lower = value_str.lower() if val_lower in ["true", "false"]: info["datatype"] = "Bool" elif value_str.isdigit() or (value_str.startswith('-') and value_str[1:].isdigit()): info["datatype"] = "Int" elif '.' in value_str: try: float(value_str); info["datatype"] = "Real" except ValueError: pass elif '#' in value_str: info["datatype"] = "TypedConstant" info["value"] = value_str dtype_lower = info["datatype"].lower() val_str_processed = value_str.split('#')[-1] if '#' in value_str else value_str try: if dtype_lower in ['int', 'dint', 'udint', 'sint', 'usint', 'lint', 'ulint', 'word', 'dword', 'lword', 'byte']: info["value"] = int(val_str_processed) elif dtype_lower == 'bool': info["value"] = (val_str_processed.lower() == 'true' or val_str_processed == '1') elif dtype_lower in ['real', 'lreal']: info["value"] = float(val_str_processed) elif dtype_lower == 'typedconstant': info["value"] = value_str except (ValueError, TypeError) as e: print(f"Advertencia: No se pudo convertir valor '{val_str_processed}' a {dtype_lower} UID={uid}. Error: {e}"); info["value"] = value_str else: info["type"] = "unknown_structure"; print(f"Advertencia: Access UID={uid} no es Symbol ni Constant."); return info if info['type'] == 'variable' and info.get('name') is None: print(f"Error Interno: parse_access var sin nombre UID {uid}."); info['type'] = "error_no_name"; return info return info def parse_part(part_element): # (Sin cambios respecto a la versión anterior) if part_element is None: return None uid = part_element.get('UId'); name = part_element.get('Name') if not uid or not name: print(f"Error: Part sin UID o Name: {etree.tostring(part_element, encoding='unicode')}"); return None template_values = {} try: for tv in part_element.xpath("./*[local-name()='TemplateValue']"): tv_name = tv.get('Name'); tv_type = tv.get('Type') if tv_name and tv_type: template_values[tv_name] = tv_type except Exception as e: print(f"Advertencia: Error extrayendo TemplateValues Part UID={uid}: {e}") negated_pins = {} try: for negated_elem in part_element.xpath("./*[local-name()='Negated']"): negated_pin_name = negated_elem.get('Name') if negated_pin_name: negated_pins[negated_pin_name] = True except Exception as e: print(f"Advertencia: Error extrayendo Negated Pins Part UID={uid}: {e}") return {'uid': uid, 'type': name, 'template_values': template_values, 'negated_pins': negated_pins} def parse_call(call_element): # (Mantiene la corrección para DB de instancia) if call_element is None: return None uid = call_element.get("UId") if not uid: print(f"Error: Call encontrado sin UID: {etree.tostring(call_element, encoding='unicode')}"); return None call_info_elem = call_element.xpath("./*[local-name()='CallInfo']") if not call_info_elem: print(f"Error: Call UID {uid} sin elemento CallInfo."); return None call_info = call_info_elem[0] block_name = call_info.get("Name") block_type = call_info.get("BlockType") instance_name = None; instance_scope = None if not block_name or not block_type: print(f"Error: CallInfo para UID {uid} sin Name o BlockType."); return None if block_type == "FB": instance_elem_list = call_info.xpath("./*[local-name()='Instance']") if instance_elem_list: instance_elem = instance_elem_list[0] instance_scope = instance_elem.get("Scope") component_elem_list = instance_elem.xpath("./*[local-name()='Component']") # Busca Component directo if component_elem_list: component_elem = component_elem_list[0] db_name_raw = component_elem.get('Name') if db_name_raw: instance_name = f'"{db_name_raw}"' # Añade comillas else: print(f"Advertencia: dentro de para FB Call UID {uid} no tiene atributo 'Name'.") else: print(f"Advertencia: No se encontró dentro de para FB Call UID {uid}. No se pudo obtener el nombre del DB.") else: print(f"Advertencia: FB Call '{block_name}' UID {uid} no tiene elemento .") call_data = {"uid": uid, "type": "Call", "block_name": block_name, "block_type": block_type} if instance_name: call_data["instance_db"] = instance_name if instance_scope: call_data["instance_scope"] = instance_scope return call_data # --- Función parse_network con XPath corregido para Title/Comment --- def parse_network(network_element): """ Parsea una red, extrae lógica y añade conexiones EN implícitas. """ if network_element is None: return {"id": "ERROR", "title": "Invalid Network Element", "comment": "", "logic": [], "error": "Input element was None"} network_id = network_element.get("ID") # --- CORRECCIÓN XPath para Title y Comment --- # Usar local-name() como en la versión original que funcionaba para esto title_element = network_element.xpath( ".//*[local-name()='MultilingualText'][@CompositionName='Title']" # Busca en cualquier nivel descendiente ) network_title = get_multilingual_text(title_element[0]) if title_element else f"Network {network_id}" comment_element = network_element.xpath( "./*[local-name()='ObjectList']/*[local-name()='MultilingualText'][@CompositionName='Comment']" # Busca directamente bajo ObjectList ) network_comment = get_multilingual_text(comment_element[0]) if comment_element else "" # --- FIN CORRECCIÓN XPath --- flgnet_list = network_element.xpath(".//flg:FlgNet", namespaces=ns) if not flgnet_list: return {"id": network_id, "title": network_title, "comment": network_comment, "logic": [], "error": "FlgNet not found"} flgnet = flgnet_list[0] # 1. Parsear Access, Parts y Calls (usando parse_call corregido) access_map = {acc_info["uid"]: acc_info for acc in flgnet.xpath(".//flg:Access", namespaces=ns) if (acc_info := parse_access(acc)) and acc_info['type'] != 'unknown'} parts_and_calls_map = {} instruction_elements = flgnet.xpath(".//flg:Part | .//flg:Call", namespaces=ns) for element in instruction_elements: parsed_info = None if element.tag == etree.QName(ns["flg"], "Part"): parsed_info = parse_part(element) elif element.tag == etree.QName(ns["flg"], "Call"): parsed_info = parse_call(element) # Usa la versión con fix DB if parsed_info and "uid" in parsed_info: parts_and_calls_map[parsed_info["uid"]] = parsed_info else: print(f"Advertencia: Se ignoró un Part/Call inválido en la red {network_id}") # 2. Parsear Wires (sin cambios) wire_connections = defaultdict(list); source_connections = defaultdict(list); eno_outputs = defaultdict(list) flg_ns_uri = ns["flg"] for wire in flgnet.xpath(".//flg:Wire", namespaces=ns): source_uid, source_pin, dest_uid, dest_pin = None, None, None, None children = wire.getchildren(); if len(children) < 2: continue source_elem, dest_elem = children[0], children[1] if source_elem.tag == etree.QName(flg_ns_uri, "Powerrail"): source_uid, source_pin = "POWERRAIL", "out" elif source_elem.tag == etree.QName(flg_ns_uri, "IdentCon"): source_uid, source_pin = source_elem.get("UId"), "value" elif source_elem.tag == etree.QName(flg_ns_uri, "NameCon"): source_uid, source_pin = source_elem.get("UId"), source_elem.get("Name") if dest_elem.tag == etree.QName(flg_ns_uri, "IdentCon"): dest_uid, dest_pin = dest_elem.get("UId"), "value" elif dest_elem.tag == etree.QName(flg_ns_uri, "NameCon"): dest_uid, dest_pin = dest_elem.get("UId"), dest_elem.get("Name") if source_uid is not None and source_pin is not None and dest_uid is not None and dest_pin is not None: dest_key = (dest_uid, dest_pin); source_info = (source_uid, source_pin) if source_info not in wire_connections[dest_key]: wire_connections[dest_key].append(source_info) source_key = (source_uid, source_pin); dest_info = (dest_uid, dest_pin) if dest_info not in source_connections[source_key]: source_connections[source_key].append(dest_info) if source_pin == "eno" and source_uid in parts_and_calls_map: if dest_info not in eno_outputs[source_uid]: eno_outputs[source_uid].append(dest_info) # 3. Construcción Lógica Inicial (sin cambios) all_logic_steps = {} functional_block_types = ['Move', 'Add', 'Sub', 'Mul', 'Div', 'Mod', 'Convert', 'Call', 'Se', 'Sd', 'BLKMOV'] rlo_generators = ['Contact', 'O', 'Eq', 'Ne', 'Gt', 'Lt', 'Ge', 'Le', 'And', 'Xor', 'PBox', 'NBox'] for instruction_uid, instruction_info in parts_and_calls_map.items(): instruction_repr = {"instruction_uid": instruction_uid, **instruction_info}; instruction_repr["inputs"] = {}; instruction_repr["outputs"] = {} possible_input_pins = set(['en', 'in', 'in1', 'in2', 'in3', 'in4', 's', 'r', 'clk', 'cu', 'cd', 'ld', 'pv', 'tv', 'bit', 'operand', 'pre', 'SRCBLK']) for dest_pin_name in possible_input_pins: dest_key = (instruction_uid, dest_pin_name) if dest_key in wire_connections: sources_list = wire_connections[dest_key]; input_sources_repr = [] for source_uid, source_pin in sources_list: if source_uid == "POWERRAIL": input_sources_repr.append({"type": "powerrail"}) elif source_uid in access_map: input_sources_repr.append(access_map[source_uid]) elif source_uid in parts_and_calls_map: input_sources_repr.append({"type": "connection", "source_instruction_type": parts_and_calls_map[source_uid]["type"], "source_instruction_uid": source_uid, "source_pin": source_pin}) else: input_sources_repr.append({"type": "unknown_source", "uid": source_uid}) if len(input_sources_repr) == 1: instruction_repr["inputs"][dest_pin_name] = input_sources_repr[0] elif len(input_sources_repr) > 1: instruction_repr["inputs"][dest_pin_name] = input_sources_repr possible_output_pins = set(['out', 'out1', 'Q', 'eno', 'RET_VAL', 'DSTBLK', 'q', 'rt', 'rtbcd', 'cv', 'cvbcd']) for source_pin_name in possible_output_pins: source_key = (instruction_uid, source_pin_name) if source_key in source_connections: for dest_uid, dest_pin in source_connections[source_key]: if dest_uid in access_map: if source_pin_name not in instruction_repr["outputs"]: instruction_repr["outputs"][source_pin_name] = [] if access_map[dest_uid] not in instruction_repr["outputs"][source_pin_name]: instruction_repr["outputs"][source_pin_name].append(access_map[dest_uid]) all_logic_steps[instruction_uid] = instruction_repr # 4. Inferencia EN (sin cambios) processed_blocks_en_inference = set(); something_changed = True; inference_passes = 0; max_inference_passes = len(all_logic_steps) + 5 try: sorted_uids_for_en = sorted(all_logic_steps.keys(), key=lambda x: int(x) if x.isdigit() else float('inf')) except ValueError: sorted_uids_for_en = sorted(all_logic_steps.keys()) ordered_logic_list_for_en = [all_logic_steps[uid] for uid in sorted_uids_for_en if uid in all_logic_steps] while something_changed and inference_passes < max_inference_passes: something_changed = False; inference_passes += 1 for i, instruction in enumerate(ordered_logic_list_for_en): part_uid = instruction["instruction_uid"]; part_type_original = instruction["type"].replace('_scl', '').replace('_error', '') if (part_type_original in functional_block_types and "en" not in instruction["inputs"] and part_uid not in processed_blocks_en_inference): inferred_en_source = None if i > 0: for j in range(i - 1, -1, -1): prev_instr = ordered_logic_list_for_en[j]; prev_uid = prev_instr["instruction_uid"]; prev_type_original = prev_instr["type"].replace('_scl', '').replace('_error', '') if prev_type_original in rlo_generators: inferred_en_source = {"type": "connection", "source_instruction_uid": prev_uid, "source_instruction_type": prev_type_original, "source_pin": "out"}; break elif prev_type_original in functional_block_types: source_key_eno = (prev_uid, "eno") if source_key_eno in source_connections: inferred_en_source = {"type": "connection", "source_instruction_uid": prev_uid, "source_instruction_type": prev_type_original, "source_pin": "eno"}; break else: continue elif prev_type_original in ['Coil', 'SCoil', 'RCoil', 'SetCoil', 'ResetCoil', 'SdCoil']: break if inferred_en_source: all_logic_steps[part_uid]["inputs"]["en"] = inferred_en_source; processed_blocks_en_inference.add(part_uid); something_changed = True # 5. Añadir lógica ENO interesante (sin cambios) for source_instr_uid, eno_destinations in eno_outputs.items(): if source_instr_uid not in all_logic_steps: continue interesting_eno_logic = [] for dest_uid, dest_pin in eno_destinations: is_direct_en_connection = False if dest_uid in parts_and_calls_map and dest_pin == 'en': try: source_idx = sorted_uids_for_en.index(source_instr_uid); dest_idx = sorted_uids_for_en.index(dest_uid) if dest_idx == source_idx + 1 and parts_and_calls_map[dest_uid]['type'] in functional_block_types: is_direct_en_connection = True except ValueError: pass if not is_direct_en_connection: target_info = {"target_pin": dest_pin} if dest_uid in parts_and_calls_map: target_info.update({"target_type": "instruction", "target_uid": dest_uid, "target_name": parts_and_calls_map[dest_uid].get("name", parts_and_calls_map[dest_uid].get("type"))}) elif dest_uid in access_map: target_info.update({"target_type": "operand", "target_details": access_map[dest_uid]}) else: target_info.update({"target_type": "unknown", "target_uid": dest_uid}) interesting_eno_logic.append(target_info) if interesting_eno_logic: all_logic_steps[source_instr_uid]["eno_logic"] = interesting_eno_logic # 6. Ordenar y Devolver (sin cambios) network_logic_final = [all_logic_steps[uid] for uid in sorted_uids_for_en if uid in all_logic_steps] return {"id": network_id, "title": network_title, "comment": network_comment, "logic": network_logic_final} # --- Función Principal convert_xml_to_json (sin cambios en su flujo general) --- def convert_xml_to_json(xml_filepath, json_filepath): print(f"Iniciando conversión de '{xml_filepath}' a '{json_filepath}'...") if not os.path.exists(xml_filepath): print(f"Error Crítico: Archivo XML no encontrado: '{xml_filepath}'"); return try: print("Paso 1: Parseando archivo XML...") parser = etree.XMLParser(remove_blank_text=True) tree = etree.parse(xml_filepath, parser) root = tree.getroot() print("Paso 1: Parseo XML completado.") print("Paso 2: Buscando el bloque SW.Blocks.FC...") # Asume FC primero block_list = root.xpath("//*[local-name()='SW.Blocks.FC']") block_type_found = "FC" if not block_list: block_list = root.xpath("//*[local-name()='SW.Blocks.FB']") # Busca FB si no hay FC block_type_found = "FB" if not block_list: print("Error Crítico: No se encontró ni ."); return else: print("Advertencia: Se encontró en lugar de .") the_block = block_list[0] print(f"Paso 2: Bloque SW.Blocks.{block_type_found} encontrado (ID={the_block.get('ID')}).") print("Paso 3: Extrayendo atributos del bloque...") attribute_list_node = the_block.xpath("./*[local-name()='AttributeList']") block_name_val, block_number_val, block_lang_val = "Unknown", None, "Unknown" if attribute_list_node: attr_list = attribute_list_node[0] name_node = attr_list.xpath("./*[local-name()='Name']/text()") block_name_val = name_node[0].strip() if name_node else block_name_val num_node = attr_list.xpath("./*[local-name()='Number']/text()") try: block_number_val = int(num_node[0]) if num_node else None except ValueError: block_number_val = None lang_node = attr_list.xpath("./*[local-name()='ProgrammingLanguage']/text()") block_lang_val = lang_node[0].strip() if lang_node else block_lang_val print(f"Paso 3: Atributos: Nombre='{block_name_val}', Número={block_number_val}, Lenguaje='{block_lang_val}'") else: print(f"Advertencia: No se encontró AttributeList para el bloque {block_type_found}.") block_comment_val = "" comment_node_list = the_block.xpath("./*[local-name()='ObjectList']/*[local-name()='MultilingualText'][@CompositionName='Comment']") if comment_node_list: block_comment_val = get_multilingual_text(comment_node_list[0]); print(f"Paso 3b: Comentario bloque: '{block_comment_val[:50]}...'") result = {"block_name": block_name_val, "block_number": block_number_val, "language": block_lang_val, "block_comment": block_comment_val, "interface": {}, "networks": []} print("Paso 4: Extrayendo la interfaz del bloque...") if attribute_list_node: interface_node_list = attribute_list_node[0].xpath(".//*[local-name()='Interface']") if interface_node_list: interface_node = interface_node_list[0] print("Paso 4: Nodo Interface encontrado.") for section in interface_node.xpath(".//iface:Section", namespaces=ns): section_name = section.get("Name"); if not section_name: continue members = [] for member in section.xpath("./iface:Member", namespaces=ns): member_name = member.get("Name"); member_dtype = member.get("Datatype") if member_name and member_dtype: members.append({"name": member_name, "datatype": member_dtype}) if members: result["interface"][section_name] = members if not result["interface"]: print("Advertencia: Interface sin secciones iface:Section válidas.") else: print("Advertencia: No se encontró dentro de .") if not result["interface"]: print("Advertencia: No se pudo extraer información de la interfaz.") print("Paso 5: Extrayendo y PROCESANDO lógica de redes (CompileUnits)...") networks_processed_count = 0 object_list_node = the_block.xpath("./*[local-name()='ObjectList']") if object_list_node: compile_units = object_list_node[0].xpath("./*[local-name()='SW.Blocks.CompileUnit']") print(f"Paso 5: Se encontraron {len(compile_units)} elementos SW.Blocks.CompileUnit.") for network_elem in compile_units: networks_processed_count += 1 parsed_network = parse_network(network_elem) # Llamada a la función de parseo de red if parsed_network and parsed_network.get("error") is None: result["networks"].append(parsed_network) elif parsed_network: print(f"Error: Falló parseo red ID={parsed_network.get('id')}: {parsed_network.get('error')}") else: print(f"Error Fatal: parse_network devolvió None para CompileUnit ID={network_elem.get('ID')}.") if networks_processed_count == 0: print("Advertencia: ObjectList sin SW.Blocks.CompileUnit.") else: print("Advertencia: No se encontró ObjectList para el bloque.") print("Paso 6: Escribiendo el resultado en el archivo JSON...") if not result["interface"]: print("ADVERTENCIA FINAL: 'interface' está vacía.") if not result["networks"]: print("ADVERTENCIA FINAL: 'networks' está vacía.") try: with open(json_filepath, "w", encoding="utf-8") as f: json.dump(result, f, indent=4, ensure_ascii=False) print("Paso 6: Escritura completada."); print(f"Conversión finalizada. JSON guardado en: '{json_filepath}'") except IOError as e: print(f"Error Crítico: No se pudo escribir JSON en '{json_filepath}'. Error: {e}") except TypeError as e: print(f"Error Crítico: Problema al serializar a JSON. Error: {e}") except etree.XMLSyntaxError as e: print(f"Error Crítico: Sintaxis XML inválida en '{xml_filepath}'. Detalles: {e}") except Exception as e: print(f"Error Crítico: Error inesperado durante la conversión: {e}"); print("--- Traceback ---"); traceback.print_exc(); print("--- Fin Traceback ---") # --- Punto de Entrada Principal --- if __name__ == "__main__": xml_filename_base = "BlenderRun_ProdTime" xml_file = f"{xml_filename_base}.xml" json_file = f"{xml_filename_base}_simplified.json" convert_xml_to_json(xml_file, json_file)