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midware/config/excel_config.py
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155
midware/config/excel_config.py
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# -*- coding: utf-8 -*-
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'''
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Excel 配置解析（excel_config.py）：基于openpyxl实现 Excel 文件解析，提取外设名称、UDP 端口、协议类型、基地址等信息，存入DEVICE_CONFIG_DICT。
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'''
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import openpyxl
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from loguru import logger
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import re
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import pandas as pd
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import os
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import sys
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import io
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# 设置标准输出和标准错误的编码为UTF-8
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# sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
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# sys.stderr = io.TextIOWrapper(sys.stderr.buffer, encoding='utf-8')
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def hex_to_int (hex_str):
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"""处理十六进制字符串转整数（兼容带逗号 / 空格的格式，如 0x2080，0000、0x0000 1234）
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:param hex_str: 十六进制字符串
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:return: 转换后的整数，失败返回 0
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"""
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if not isinstance (hex_str, str):
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return 0 # 非字符串直接返回0
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# 移除逗号、空格等非十六进制字符
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clean_hex = re.sub (r'[,\s]', '', hex_str.strip ())
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try:
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return int (clean_hex, 16) if clean_hex else 0
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except (ValueError, TypeError):
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logger.warning (f"十六进制转换失败：{hex_str}，默认返回 0")
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return 0
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def load_csv_config (file_path):
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"""加载 Excel/CSV 外设配置文件，解析核心配置项
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:param file_path: Excel/CSV文件路径（xlsx/xls/csv）
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:return: 外设配置字典，key = 外设名称，value = 配置项字典
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"""
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device_config = {}
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wb = None
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temp_excel = "file.xlsx"
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is_temp_file = False # 标记是否生成了临时文件
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try:
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# 处理CSV文件：转换为Excel后解析
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if file_path.endswith('.csv'):
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df = pd.read_csv(file_path)
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df.to_excel(temp_excel, index=False)
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file_path = temp_excel
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is_temp_file = True # 标记临时文件已生成
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# 打开工作簿（兼容直接传入Excel文件的情况）
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wb = openpyxl.load_workbook(file_path, data_only=True)
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ws = wb.active
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logger.info(f"成功打开配置文件：{file_path}，工作表：{ws.title}")
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# 获取表头行，匹配核心配置列（兼容列名大小写 / 空格）
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header = [cell.value.strip() if cell.value else "" for cell in ws[1]]
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col_mapping = {
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"名称": header.index([h for h in header if h.lower() == "名称"][0]) if [h for h in header if h.lower() == "名称"] else -1,
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"编号": header.index([h for h in header if h.lower() == "编号"][0]) if [h for h in header if h.lower() == "编号"] else -1,
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"协议类型": header.index([h for h in header if h.lower() in ["协议", "协议类型"]][0]) if [h for h in header if h.lower() in ["协议", "协议类型"]] else -1,
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"内存基地址": header.index([h for h in header if h.lower() in ["内存基地址", "基地址"]][0]) if [h for h in header if h.lower() in ["内存基地址", "基地址"]] else -1,
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"内存偏移地址": header.index([h for h in header if h.lower() in ["内存偏移地址", "偏移地址"]][0]) if [h for h in header if h.lower() in ["内存偏移地址", "偏移地址"]] else -1,
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"UDP端口": header.index([h for h in header if h.lower() in ["UDP端口", "端口地址", "udp 地址", "UDP port","port"]][0]) if [h for h in header if h.lower() in ["UDP端口", "端口地址", "udp 地址", "UDP port","port"]] else -1,
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"UDP远程端口": header.index([h for h in header if h.lower() in ["UDP远程端口", "远程端口地址", "远程udp 地址", "remote_port","remote port"]][0]) if [h for h in header if h.lower() in ["UDP端口", "端口地址", "udp 地址", "remote_port","remote port"]] else -1,
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"TCP端口": header.index([h for h in header if h.lower() in ["TCP端口", "端口地址", "TCP 地址", "tcp_local_port"]][0]) if [h for h in header if h.lower() in ["TCP端口", "tcp_local_port"]] else -1,
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"TCP总线端口": header.index([h for h in header if h.lower() in ["TCP远程端口", "远程端口地址", "远程tcp 地址", "tcp_bus_port"]][0]) if [h for h in header if h.lower() in ["TCP端口", "tcp_bus_port"]] else -1,
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"说明": header.index([h for h in header if h.lower() == "说明"][0]) if [h for h in header if h.lower() == "说明"] else -1,
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"发送缓存区大小": header.index([h for h in header if h.lower() in ["发送缓存区大小", "发送缓存"]][0]) if [h for h in header if h.lower() in ["发送缓存区大小", "发送缓存"]] else -1,
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"接收缓存区大小": header.index([h for h in header if h.lower() in ["接收缓存区大小", "接收缓存"]][0]) if [h for h in header if h.lower() in ["接收缓存区大小", "接收缓存"]] else -1,
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}
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# 校验核心列（名称、协议、基地址必须存在）
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required_cols = ["名称", "协议类型", "内存基地址"]
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missing_cols = [col for col in required_cols if col_mapping[col] == -1]
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if missing_cols:
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logger.error(f"配置文件缺少核心列：{','.join(missing_cols)}，请检查表头")
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return device_config
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# 关键优化：将迭代器转为列表，提前加载所有行数据（避免后续关闭wb后访问）
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rows_data = list(ws.iter_rows(min_row=2, values_only=True))
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# 遍历数据行（从第 2 行开始）
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for row_num, row in enumerate(rows_data, start=2):
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if not row[col_mapping["名称"]]: # 外设名称为空则跳过
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logger.warning(f"第 {row_num} 行：外设名称为空，跳过该行")
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continue
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dev_name = row[col_mapping["名称"]].strip()
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print(f'原始值：{row[col_mapping["编号"]]}')
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print(f'类型：{type(row[col_mapping["编号"]])}')
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print(str(row[col_mapping["编号"]]))
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str_value = str(row[col_mapping["编号"]])
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print(f'isdigit?:{str_value.isdigit()}')
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# 解析单行配置，缺省项赋默认值
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dev_info = {
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"protocol": row[col_mapping["协议类型"]].strip().upper() if row[col_mapping["协议类型"]] else "",
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"number": int(row[col_mapping["编号"]]) if (row[col_mapping["编号"]] is not None and str(row[col_mapping["编号"]]).isdigit()) else 99,#2026/4/15
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"base_addr": hex_to_int(row[col_mapping["内存基地址"]]),
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"offset_addr": hex_to_int(row[col_mapping["内存偏移地址"]]),
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"udp_port": int(row[col_mapping["UDP端口"]]) if (row[col_mapping["UDP端口"]] and str(row[col_mapping["UDP端口"]]).isdigit()) else 8888,
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"remote_port": int(row[col_mapping["UDP远程端口"]]) if (row[col_mapping["UDP远程端口"]] and str(row[col_mapping["UDP远程端口"]]).isdigit()) else 9999,
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"tcp_local_port": int(row[col_mapping["TCP端口"]]) if (row[col_mapping["TCP端口"]] and str(row[col_mapping["TCP端口"]]).isdigit()) else 1,
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"tcp_bus_port": int(row[col_mapping["TCP总线端口"]]) if (row[col_mapping["TCP总线端口"]] and str(row[col_mapping["TCP总线端口"]]).isdigit()) else 1,
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"desc": row[col_mapping["说明"]].strip() if row[col_mapping["说明"]] else "无",
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"send_cache": int(row[col_mapping["发送缓存区大小"]]) if (row[col_mapping["发送缓存区大小"]] and str(row[col_mapping["发送缓存区大小"]]).isdigit()) else 512,
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"recv_cache": int(row[col_mapping["接收缓存区大小"]]) if (row[col_mapping["接收缓存区大小"]] and str(row[col_mapping["接收缓存区大小"]]).isdigit()) else 512,
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"enable": True # 默认启用该外设
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}
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# 校验协议类型合法性
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if dev_info["protocol"] not in ["UART", "CAN", "1553B", "AD", "OC"]:
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logger.warning(f"第 {row_num} 行 [{dev_name}]：协议类型 {dev_info['protocol']} 不合法，仅支持 UART/CAN/1553B/AD/OC，跳过该行")
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continue
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device_config[dev_name] = dev_info
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logger.debug(
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f"解析外设配置：{dev_name} | {dev_info['protocol']} | 基地址 {hex(dev_info['base_addr'])} | "
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f"端口号 {dev_info['udp_port']} | 发送缓存 {dev_info['send_cache']} | 接收缓存 {dev_info['recv_cache']} | 说明 {dev_info['desc']}"
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)
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logger.info(f"配置文件解析完成，共加载 {len(device_config)} 个有效外设配置")
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print(f"配置文件解析完成，共加载 {len(device_config)} 个有效外设配置")
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except FileNotFoundError:
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logger.error(f"配置文件不存在：{file_path}")
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print(f"配置文件不存在：{file_path}")
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except Exception as e:
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logger.error(f"配置文件解析失败：{str(e)}", exc_info=True)
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print(f"配置文件解析失败：{str(e)}")
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finally:
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# 第一步：先关闭工作簿（确保所有数据已读取完成）
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if wb:
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try:
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wb.close()
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logger.debug("Excel工作簿已正常关闭")
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except Exception as e:
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logger.warning(f"关闭Excel工作簿失败：{str(e)}")
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# 第二步：删除临时文件（仅当生成了临时文件时执行）
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if is_temp_file and os.path.exists(temp_excel):
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try:
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# 延迟删除（避免文件句柄未释放）
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import time
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time.sleep(0.1)
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os.remove(temp_excel)
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logger.debug("临时Excel文件已删除")
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except Exception as e:
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logger.warning(f"删除临时Excel文件失败：{str(e)}")
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return device_config
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# 测试代码（单独运行该文件时执行）
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if __name__ == "__main__":
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test_config = load_csv_config("config_files/device_config.csv")
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print(test_config)
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