JianYing MCP

# -*- coding: utf-8 -*- """ Author: jian wei File Name: time_format.py """ def parse_start_end_format(time_range_str: str) -> str: """ 将 "开始时间-结束时间" 格式转换为 "开始时间-持续时间" 格式 Args: time_range_str: 格式如 "1s-4.2s"，表示从1s开始到4.2s结束 Returns: str: 格式如 "1s-3.2s"，表示从1s开始持续3.2s Raises: ValueError: 当时间格式不正确时抛出异常 """ if not time_range_str or "-" not in time_range_str: raise ValueError(f"Invalid time range format: {time_range_str}") start_str, end_str = time_range_str.split("-", 1) start_str = start_str.strip() end_str = end_str.strip() # 解析为秒数（简单解析，假设都是秒为单位） if not start_str.endswith('s') or not end_str.endswith('s'): raise ValueError(f"Time format must end with 's': {time_range_str}") try: start_seconds = float(start_str[:-1]) end_seconds = float(end_str[:-1]) except ValueError: raise ValueError(f"Invalid time values in: {time_range_str}") if end_seconds <= start_seconds: raise ValueError(f"End time must be greater than start time: {time_range_str}") duration_seconds = end_seconds - start_seconds # 格式化持续时间 if duration_seconds == int(duration_seconds): duration_str = f"{int(duration_seconds)}s" else: duration_str = f"{duration_seconds}s" return f"{start_str}-{duration_str}"