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