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ASL · ashare-lake — 免费、自托管的 A 股历史数据层

别再每次重拉、自己拼复权了。 一条命令,把可日更的研究数据落到本地。自动保存历史口径,供 Python、DuckDB、Polars 和 AI agent 使用。

CLI:asl · 包名:ashare_lake · Python ≥ 3.10 · 只做数据层(回测和信号留给下游)。

  • 真数上手asl demo 几分钟出真实日线(不是 mock);--research 可验证复权口径
  • 日更能挂着跑:水位 / 失败重试 / 质量审计
  • 研究口径一次定好:复权 · universe · PIT;相对拉数库多编排,相对云端宽表可本地续跑

安装与一分钟体验

需要 Python 3.10+,且能访问 TDX 行情主机(大陆出口更稳)。

pip install ashare-lake
asl demo

写入 data/ashare-lake-demo/(几只流动性股票 × 约 30 个交易日),并打印样例表。

要验证复权口径,可运行 asl demo --research --symbols 600519.SH;它会额外读取 Sina 复权因子, 并打印约三年窗口的 raw / hfq 收益对照。

asl query --config configs/ashare-lake.demo.toml --sql "
  SELECT symbol, trade_date, close, volume, source
  FROM daily_bars
  WHERE symbol = '600519.SH'
  ORDER BY trade_date DESC
  LIMIT 10
"

全量日更(仍不必 clone;在含配置的工作目录执行):

asl config init                              # → configs/ashare-lake.toml(data.root 写为绝对路径)
# 或显式指定:
# asl config init --data-root /data/ashare-lake --force
asl config validate --config configs/ashare-lake.toml
asl init --config configs/ashare-lake.toml
asl run daily --config configs/ashare-lake.toml

asl demo

有什么数据

数据集名即 load() 的第一个参数。字段见 schema,编排元数据见 catalog

类别 数据集
基础参考 instruments · trading_calendar · trading_status(停复牌 / ST)
行情 daily_bars(未复权) · index_bars · adj_factors · minute_bars / minute_bars_5m(可选日内)
公司事件 corporate_actions · announcement_index · earnings_disclosure_schedule
基本面 / 估值 financial_statement_items(PIT) · valuation_metrics · analyst_consensus
资金面 fund_flow · margin_trading · northbound_flows / northbound_holdings · dragon_tiger · block_trades · institutional_holdings
结构 / 行业 sector_members · index_constituents · industry_members
宏观 macro_indicators · market_breadth
舆情 / 轮动 sentiment_scores · hot_rank · sector_bars · sector_fund_flow · news_headlines
风险 share_unlock_schedule · regulatory_events

读数据

from ashare_lake.query import load

bars = load("daily_bars", start="2020-01-01", end="2025-12-31", adjust="hfq")
roe = load("financial_statement_items", items=["roe"], as_of="2024-04-30")

无 extras —— pip install ashare-lake 即装齐所有数据源。

完整文档

详细 schema、runbook、定位对照与合规说明以 GitHub 为准:

代码 Apache-2.0。落盘行情 / 公告仍受上游条款约束——本包不附带、也不再分发数据湖。

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