chronaxis.sources

源码基线：8904c2f744951857659abd40aaa3535d57faf53c

1"""按需公开来源适配器和批次模型；读取 BLF 不加载无关的数组后端。23公开名称、类身份与原模块保持一致；只在访问相应名称时导入定义。4导入本包不打开输入、DBC 或工作目录，也不创建进程。5"""6from importlib import import_module78_EXPORTS = {9    'MemorySourceAdapter':'memory',10    'SignalCSVSourceAdapter':'signal_csv',11    'SignalCSVSpec':'csv_spec', 'CSVSourceRef':'csv_spec',12    **dict.fromkeys(('FieldDescription','FieldLocation','ReadRequest','SignalBatch','SignalSeries',13                     'SourceCapabilities','SourceDescription'),'models'),14    **dict.fromkeys(('BatchValidator','SourceAdapter','SourceClosedError','SourceReadError'),'protocol'),15}16__all__ = ['MemorySourceAdapter','SignalCSVSpec','CSVSourceRef','SignalCSVSourceAdapter',17           'FieldDescription','FieldLocation','ReadRequest','SignalBatch','SignalSeries',18           'SourceCapabilities','SourceDescription','BatchValidator','SourceAdapter',19           'SourceClosedError','SourceReadError']202122def __getattr__(name: str) -> object:23    """按公开名称返回原对象；未知名称抛 AttributeError，不导入其他来源。"""24    module = _EXPORTS.get(name)25    if module is None:26        raise AttributeError(f'chronaxis.sources没有公开属性{name!r}')27    value = getattr(import_module('.'+module,__name__),name)28    globals()[name] = value29    return value30