"""
多数据源数据提供层
支持自动故障转移的多数据源股票数据获取：
- EfinanceFetcher (优先级 0): 东方财富数据
- AkshareFetcher (优先级 1): Akshare 多源数据
- TushareFetcher (优先级 0/2): Tushare Pro 数据（需要 token）
- BaostockFetcher (优先级 3): Baostock 免费数据
- YfinanceFetcher (优先级 4): Yahoo Finance 国际数据
使用示例:
from stock_data_mcp.data_provider import DataFetcherManager
manager = DataFetcherManager()
df = manager.get_daily_data("600519", days=30)
quote = manager.get_realtime_quote("600519")
chip = manager.get_chip_distribution("600519")
"""
from .types import (
# 数据类型
UnifiedRealtimeQuote,
ChipDistribution,
RealtimeSource,
CircuitBreaker,
CircuitBreakerState,
# 工具函数
safe_float,
safe_int,
to_chinese_columns,
to_english_columns,
is_etf_code,
is_hk_code,
is_us_code,
# 常量
STANDARD_COLUMNS,
COLUMN_MAPPING_TO_CN,
COLUMN_MAPPING_TO_EN,
# 熔断器
get_realtime_circuit_breaker,
get_chip_circuit_breaker,
get_daily_circuit_breaker,
get_fund_flow_circuit_breaker,
get_board_circuit_breaker,
get_billboard_circuit_breaker,
)
from .base import (
BaseFetcher,
DataFetcherManager,
DataFetchError,
RateLimitError,
DataSourceUnavailableError,
)
from .efinance_fetcher import EfinanceFetcher
from .akshare_fetcher import AkshareFetcher
from .tushare_fetcher import TushareFetcher
from .baostock_fetcher import BaostockFetcher
from .yfinance_fetcher import YfinanceFetcher
__all__ = [
# 管理器
"DataFetcherManager",
# 数据获取器
"BaseFetcher",
"EfinanceFetcher",
"AkshareFetcher",
"TushareFetcher",
"BaostockFetcher",
"YfinanceFetcher",
# 数据类型
"UnifiedRealtimeQuote",
"ChipDistribution",
"RealtimeSource",
"CircuitBreaker",
"CircuitBreakerState",
# 异常
"DataFetchError",
"RateLimitError",
"DataSourceUnavailableError",
# 工具函数
"safe_float",
"safe_int",
"to_chinese_columns",
"to_english_columns",
"is_etf_code",
"is_hk_code",
"is_us_code",
# 常量
"STANDARD_COLUMNS",
"COLUMN_MAPPING_TO_CN",
"COLUMN_MAPPING_TO_EN",
]
