mirror of
https://github.com/suyiiyii/nonebot-bison.git
synced 2025-06-05 19:36:43 +08:00
88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
from collections import defaultdict
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from typing import Any, Callable, cast
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from nonebot.log import logger
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from nonebot_plugin_datastore.db import create_session
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from sqlalchemy import select
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from sqlalchemy.orm.strategy_options import selectinload
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from sqlalchemy.sql.selectable import Select
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from ..db_model import Subscribe, User
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from .nbesf_model import (
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NBESFParseErr,
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NBESFVerMatchErr,
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SubGroup,
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SubPack,
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SubPayload,
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UserHead,
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)
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from .utils import subs_receipt_gen_ver_1
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async def subscribes_export(selector: Callable[[Select], Select]) -> SubGroup:
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"""
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将Bison订阅导出为 Nonebot Bison Exchangable Subscribes File 标准格式的 SubGroup 类型数据
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selector:
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对 sqlalchemy Select 对象的操作函数，用于限定查询范围 e.g. lambda stmt: stmt.where(User.uid=2233, User.type="group")
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"""
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async with create_session() as sess:
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sub_stmt = select(Subscribe).join(User)
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sub_stmt = selector(sub_stmt).options(selectinload(Subscribe.target))
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sub_stmt = cast(Select[tuple[Subscribe]], sub_stmt)
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sub_data = await sess.scalars(sub_stmt)
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user_stmt = select(User).join(Subscribe)
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user_stmt = selector(user_stmt).distinct()
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user_stmt = cast(Select[tuple[User]], user_stmt)
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user_data = await sess.scalars(user_stmt)
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groups: list[SubPack] = []
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user_id_sub_dict: dict[int, list[SubPayload]] = defaultdict(list)
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for sub in sub_data:
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sub_paylaod = SubPayload.from_orm(sub)
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user_id_sub_dict[sub.user_id].append(sub_paylaod)
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for user in user_data:
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user_head = UserHead.from_orm(user)
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sub_pack = SubPack(user=user_head, subs=user_id_sub_dict[user.id])
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groups.append(sub_pack)
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sub_group = SubGroup(groups=groups)
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return sub_group
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async def subscribes_import(
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nbesf_data: SubGroup,
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):
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"""
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从 Nonebot Bison Exchangable Subscribes File 标准格式的数据中导入订阅
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nbesf_data:
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符合nbesf_model标准的 SubGroup 类型数据
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"""
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logger.info("开始添加订阅流程")
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match nbesf_data.version:
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case 1:
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await subs_receipt_gen_ver_1(nbesf_data)
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case _:
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raise NBESFVerMatchErr(f"不支持的NBESF版本：{nbesf_data.version}")
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logger.info("订阅流程结束，请检查所有订阅记录是否全部添加成功")
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def nbesf_parser(raw_data: Any) -> SubGroup:
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try:
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if isinstance(raw_data, str):
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nbesf_data = SubGroup.parse_raw(raw_data)
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else:
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nbesf_data = SubGroup.parse_obj(raw_data)
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except Exception as e:
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logger.error("数据解析失败，该数据格式可能不满足NBESF格式标准！")
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raise NBESFParseErr("数据解析失败") from e
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else:
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return nbesf_data
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