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ys_base

YS 统一 SDK:契约模型(contracts)、auth 客户端与差量同步(auth)、WebSocket RPC 基类(ws)、 本地存储(store,默认 SQLite)、子系统服务骨架(server,extra)、交易网关(trade,extra,P4 收编)。

pip install ys_base            # 契约 + auth 客户端 + SQLite 存储
pip install ys_base[server]    # + FastAPI 子系统骨架
pip install ys_base[trade]     # + 交易网关(纯策略系统只装这个)

使用 uv 添加依赖:

uv add ys_base             # 契约 + auth 客户端 + SQLite 存储
uv add "ys_base[server]"   # + FastAPI 子系统骨架
uv add "ys_base[trade]"    # + 交易网关(纯策略系统只装这个)

trade extra 由 TradeManager 统一装配交易客户端、行情、静态信息和收益数据服务。 每个 Manager 独占一个 TradeRuntime,同一 Manager 下的账号共享 Runtime;ys_base 不保存任何 YsQuote、YsSymbol 或 YsTrade 默认地址和凭据。

from ys_base.trade import (
	Account,
	TradeManager,
	TradeRuntimeConfig,
)

manager = TradeManager(
	accounts=[
		Account(
			account="A001",
			password="...",
			trade_source="xt",
			trade_uri="ws://trade.example.com",
			profit_enabled=True,
		)
	],
	runtime_config=TradeRuntimeConfig(
		quote_data_base_url="http://quote.example.com",
		symbol_data_base_url="http://symbol.example.com",
		symbol_data_username="symbol-user",
		symbol_data_password="symbol-password",
		trade_data_base_url="http://trade-data.example.com",
		trade_data_username="trade-user",
		trade_data_password="trade-password",
	),
)

quotes = await manager.query_snapshots({"600000.SH", "300750.SZ"})
refreshed = await manager.query_snapshots_with_refresh({"600000.SH"}, {"f43", "f58", "f60"})
statics = await manager.query_static_infos({"600000.SH"}, {"name", "pre_close"})
alive = await manager.check_snapshot_service_alive()

DefaultSnapshotFields == "f43,f58,f60",返回原始 f* 字段,并固定映射 f43 -> close、f60 -> pre_close、f58 -> name。不提供 last_price 或 pre_price 兼容字段; 可通过字符串或字段集合指定其他 fields。

  • query_snapshots() 是无缓存单次查询,不登记后台刷新标的。
  • query_snapshots_with_refresh() 登记当日标的和字段,并在 09:00:00-15:30:00 每 2 秒持续刷新; 当日标的和字段只增不减。
  • Snapshot 和 StaticInfo 缓存在上海自然日变化时会同时清空日期、标的、字段和记录。
  • 只有账号明确配置 profit_enabled=True 时,才要求 Snapshot、StaticInfo 和 TradeData 三类服务地址齐全。

刚发布的新版本若已在 PyPI 页面可见,但 uv 仍提示该版本不存在,通常是本地缓存的 PyPI Simple Index 元数据尚未更新。先清理单包缓存并从官方源重试: uv cache clean ys-base:优先清理单包缓存。 uv cache clean:单包清理无效时清理完整缓存。 使用 --default-index https://pypi.org/simple 从官方 PyPI 重新安装。 使用 --refresh 强制刷新解析。

uv cache clean ys-base
uv add "ys_base[trade]" --default-index https://pypi.org/simple --refresh

如果仍无法解析,再清理完整缓存:

uv cache clean
uv add "ys_base[trade]" --default-index https://pypi.org/simple --refresh

设计文档:ys_auth/docs/架构方案.md(v6 终版)、契约初稿.md。

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