anzchy

def is_trading_day():
    """
    检查当前是否为交易日且已开盘
    
    Returns:
        tuple: (is_trading_day: bool, trade_day: str, reason: str)
    """
    try:
        # 从github获取交易日历
        csv_path = "https://raw.githubusercontent.com/anzchy/Chinese-Stock-Market-Trading-Calendar/refs/heads/main/trading_calendar.csv"

anzchy

# duckdb_utils.py
import os
from typing import Optional, Union, Iterable, Any

import duckdb
import pandas as pd


class DuckDBWrapper:
    """

anzchy

import pandas as pd
from datetime import date, timedelta, datetime
from datetime import time as datetime_time

def recent_trade_day(d: date | None = None) -> str:
    """
    返回最近的完整交易日：
    - 若未指定日期，使用当前时间判断
    - 若指定日期，基于该日期判断最近的交易日
    """