feat(factor): M7.1 因子定义入库 + /api/factors 读库(目录契约源)
- factor_definition 表(migration b7f2a5e81c33,MySQL 已应用):name 主键 + 元数据 (formula/brief/frequency/lookback/direction/requires JSON/version)+ FactorDefinition entity(from_registry_def 由代码注册表构造) - FactorRepository Protocol + SQLAlchemy 实现(幂等 upsert/list/get) - /api/factors 改读 DB;目录为空自动 seed 注册表(幂等)—— 保留自定义因子登记能力 (计算仍须代码注册,引用未注册因子照常 FactorError,防伪因子) - tests/test_factor_catalog.py(repo 幂等/roundtrip/registry seed、API seed+字段齐全); test_api 的 client fixture 补 tmp sqlite session(factors 读库);全量 pytest 通过
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"""因子目录用例:把代码注册表因子 seed 进 DB(M7.1)。
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DB 为目录契约源;本服务在 /api/factors 首次读取为空时自动 seed(幂等),
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后续代码新增因子也通过同一入口同步,保持目录与可计算因子一致。
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"""
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from __future__ import annotations
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from app.domain.entities.factor import FactorDefinition
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from app.domain.repositories.factor import FactorRepository
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from app.quant.factors import list_factors
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def seed_registry_factors(repo: FactorRepository, session) -> int:
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"""把 quant/factors 注册表的元数据 upsert 进 factor_definition(幂等)。"""
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defs = [FactorDefinition.from_registry_def(d) for d in list_factors()]
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if not defs:
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return 0
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n = repo.upsert_many(defs)
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session.commit()
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return n
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