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"""
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验证器模块
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"""
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import re
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from datetime import date
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from typing import Tuple, Optional
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def validate_code_format(code: str) -> Tuple[bool, str]:
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"""
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验证代码格式
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Returns:
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(是否有效, 错误信息)
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"""
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if not code:
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return False, "代码不能为空"
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# 股票代码格式: 000001.SZ, 600000.SH
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stock_pattern = r"^\d{6}\.(SZ|SH|BJ)$"
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# 期货代码格式: IF2501.CFE
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future_pattern = r"^[A-Z]{1,2}\d{4}\.CFE$"
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if re.match(stock_pattern, code):
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return True, ""
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if re.match(future_pattern, code):
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return True, ""
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return False, f"无效的代码格式: {code}"
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def validate_date_range(start_date: date, end_date: date) -> Tuple[bool, str]:
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"""
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验证日期范围
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Returns:
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(是否有效, 错误信息)
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"""
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if start_date > end_date:
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return False, "开始日期不能晚于结束日期"
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# 检查日期范围是否合理（不超过5年）
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from datetime import timedelta
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if (end_date - start_date).days > 365 * 5:
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return False, "日期范围不能超过5年"
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return True, ""
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def validate_period_type(period: str) -> Tuple[bool, str]:
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"""
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验证周期类型
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Returns:
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(是否有效, 错误信息)
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"""
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valid_periods = ["daily", "min1", "min5", "min15", "min30", "min60"]
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if period not in valid_periods:
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return False, f"无效的周期类型: {period}，有效值: {', '.join(valid_periods)}"
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return True, ""
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def validate_security_type(security_type: str) -> Tuple[bool, str]:
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"""
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验证证券类型
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Returns:
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(是否有效, 错误信息)
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"""
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valid_types = ["stock", "future", "index", "etf", "kzz"]
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if security_type not in valid_types:
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return False, f"无效的证券类型: {security_type}，有效值: {', '.join(valid_types)}"
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return True, ""
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