CameraMachine/python/mcu/one_data_set_control.py

from conifg_info import return_false_on_error
# from mcu.McuDebug import McuDebug
from utils.SingletonType import SingletonType
# from module.base_mode.dynamic_parameter import *
import json
import ast
import re
import os


class OneDataSet(metaclass=SingletonType):

    def __init__(self):
        super().__init__()
        self.mcu = None
        # self.mcu_debug = McuDebug(windows, is_debug=False, is_deviation=True)
        # self.init()

    # def init(self):
    #     self.create_command_list()

    # 发送json给到mcu
    @return_false_on_error
    def deal_send_json_to_mcu(self, command):
        _text = command.strip()
        if _text.startswith("55"):
            flag = "cmd命令"
        elif _text.startswith("{"):
            flag = "json"
        else:
            flag = "cmd命令(无校验)"

        if flag == "json":
            try:
                print("json_text:{}".format(_text))
                # json_text 可能是文本格式的 JSON（如 {"code":1}），
                # 先解析成对象再重新序列化，规范化后再下发
                json_text = self.safe_load_json(_text)
                json_text = json.dumps(json_text)
            except Exception as e:
                print("错误:", str(e))
                return False
            print("json_text:{}".format(json_text))
            self.mcu.send_json_to(data=json_text)

        if flag == "cmd命令":
            self.mcu.send_hex_cmd_to(data=_text, need_del_cr=True)

        if flag == "cmd命令(无校验)":
            # 需要增加55 55 校验位
            self.mcu.send_hex_cmd_to(data=_text, need_del_cr=False)
        return True

    def safe_load_json(self, text: str):
        """
        兼容各种非标准JSON字符串的解析函数
        优先级: 标准JSON → 单引号替换 → Python字面量 → 宽松JSON
        """
        if not isinstance(text, str) or not text.strip():
            raise ValueError("输入必须是非空字符串")

        text = text.strip()

        # 1. 尝试标准JSON解析
        try:
            return json.loads(text)
        except json.JSONDecodeError:
            pass

        # 2. 单引号 → 双引号（仅当没有双引号冲突时）
        if "'" in text and '"' not in text:
            try:
                fixed = text.replace("'", '"')
                return json.loads(fixed)
            except json.JSONDecodeError:
                pass

        # 3. 尝试Python字面量解析（处理True/False/None/单引号等）
        try:
            result = ast.literal_eval(text)
            if isinstance(result, (dict, list)):
                return result
        except (ValueError, SyntaxError):
            pass

        # 4. 宽松JSON：处理尾部逗号、未转义单引号等
        try:
            # 移除尾部逗号
            cleaned = re.sub(r',\s*([}\]])', r'\1', text)
            # 将未转义的单引号替换为双引号（简单场景）
            cleaned = re.sub(r"(?<!\\)'", '"', cleaned)
            return json.loads(cleaned)
        except json.JSONDecodeError:
            pass
        raise ValueError(f"无法解析的JSON字符串: {text[:100]}")

    # 读取本地常用命令-JSON.txt，解析出名称和JSON内容
    def read_command_file(self):
        path = os.path.join(os.getcwd(), "command.txt")
        commands = []
        if not os.path.exists(path):
            return commands
        with open(path, "r", encoding="utf-8") as f:
            lines = f.readlines()
        name = None
        for line in lines:
            line = line.strip()
            if not line:
                continue
            if line.startswith("#"):
                name = line.lstrip("#").strip()
                continue
            if name is not None:
                commands.append((name, line))
                name = None
        return commands

    # 左侧渲染常用命令按钮列表
    def create_command_list(self):
        commands = self.read_command_file()
        json_dicts = []
        for name, json_text in commands:
            # print(name, json_text)
            json_dicts.append({"name": name, "command": json_text})
        return json.dumps(json_dicts)