liuyao-chart
确定性六爻排盘库：输入六次起卦爻值（初爻到上爻，6/7/8/9）和起卦时刻，输出装卦、
纳甲、六亲、六神、世应、伏神与变卦的带版本号 JSON（liuyao_chart.v1）。
纯 Python，无 FastAPI / 数据库 / LLM 依赖；日历后端为
lunar-python（Windows 下 sxtwl
目前编译不过，故不作为依赖）。排盘规则改编自
yaomancy/liuyao-engine 0.1.0
（Apache-2.0），见 NOTICE。
安装
pip install liuyao-chart
使用
from datetime import datetime
from zoneinfo import ZoneInfo
from liuyao_chart import auto_lines, cast
chart = cast(
lines=[7, 8, 9, 7, 6, 8], # 初爻到上爻；6=老阴 7=少阳 8=少阴 9=老阳
at=datetime(2026, 10, 27, 14, 30, tzinfo=ZoneInfo("Asia/Shanghai")),
)
chart.model_dump(mode="json") # liuyao_chart.v1，可直接给前端渲染
chart.to_text() # 纯文本卦盘
cast(lines=auto_lines(), at=...) # secrets 模拟三钱法自动起卦
at 必须是带时区的 datetime。默认按它自带的 IANA 时区（ZoneInfo）换算
四柱；如果用的是固定偏移（datetime.timezone(timedelta(hours=8))），需要
另外传 timezone="Asia/Shanghai"，否则会报错。
默认口径
- 日界：子初换日（23:00 起日柱进次日），与参考引擎一致。
- 年柱界：lunar-python 默认（立春换年柱）。
- 变卦六亲：一律按本卦宫五行取，兼容历史存储数据（见
LiuyaoChart.align_changed_relatives）。
输出契约
schema_version 固定为 liuyao_chart.v1，JSON Schema 随包发布于
liuyao_chart/schema/liuyao_chart.v1.json。字段有破坏性变更时升级到 v2。
许可证
Apache-2.0。改编规则的第三方声明见 NOTICE。
1 maintainer
Metadata
1 maintainer
Release files for liuyao-chart 0.1.0
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