""" FrontMatter: sidebar_position: 1 description: nonebot.dependencies.utils 模块 """ import inspect from typing import Any, Dict, Callable, ForwardRef from loguru import logger from nonebot.exception import TypeMisMatch from nonebot.typing import evaluate_forwardref from nonebot.compat import DEFAULT_CONFIG, ModelField, model_field_validate def get_typed_signature(call: Callable[..., Any]) -> inspect.Signature: """获取可调用对象签名""" signature = inspect.signature(call) globalns = getattr(call, "__globals__", {}) typed_params = [ inspect.Parameter( name=param.name, kind=param.kind, default=param.default, annotation=get_typed_annotation(param, globalns), ) for param in signature.parameters.values() ] return inspect.Signature(typed_params) def get_typed_annotation(param: inspect.Parameter, globalns: Dict[str, Any]) -> Any: """获取参数的类型注解""" annotation = param.annotation if isinstance(annotation, str): annotation = ForwardRef(annotation) try: annotation = evaluate_forwardref(annotation, globalns, globalns) except Exception as e: logger.opt(colors=True, exception=e).warning( f'Unknown ForwardRef["{param.annotation}"] for parameter {param.name}' ) return inspect.Parameter.empty return annotation def check_field_type(field: ModelField, value: Any) -> Any: """检查字段类型是否匹配""" try: return model_field_validate(field, value, DEFAULT_CONFIG) except ValueError: raise TypeMisMatch(field, value)