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AstrBot/astrbot/core/db/migration/helper.py

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import os
from astrbot.core.utils.astrbot_path import get_astrbot_data_path
from astrbot.core.db import BaseDatabase
from astrbot.core.config import AstrBotConfig
from astrbot.api import logger, sp
from .migra_3_to_4 import (
migration_conversation_table,
migration_platform_table,
migration_webchat_data,
migration_persona_data,
migration_preferences,
)
async def check_migration_needed_v4(db_helper: BaseDatabase) -> bool:
"""
检查是否需要进行数据库迁移
如果存在 data_v3.db 并且 preference 中没有 migration_done_v4则需要进行迁移。
"""
data_v3_exists = os.path.exists(get_astrbot_data_path())
if not data_v3_exists:
return False
migration_done = await db_helper.get_preference(
"global", "global", "migration_done_v4"
)
if migration_done:
return False
return True
async def do_migration_v4(
db_helper: BaseDatabase,
platform_id_map: dict[str, dict[str, str]],
astrbot_config: AstrBotConfig,
):
"""
执行数据库迁移
迁移旧的 webchat_conversation 表到新的 conversation 表。
迁移旧的 platform 到新的 platform_stats 表。
"""
if not await check_migration_needed_v4(db_helper):
return
logger.info("开始执行数据库迁移...")
# 执行会话表迁移
await migration_conversation_table(db_helper, platform_id_map)
# 执行人格数据迁移
await migration_persona_data(db_helper, astrbot_config)
# 执行 WebChat 数据迁移
await migration_webchat_data(db_helper, platform_id_map)
# 执行偏好设置迁移
await migration_preferences(db_helper,platform_id_map)
# 执行平台统计表迁移
await migration_platform_table(db_helper, platform_id_map)
# 标记迁移完成
await sp.put_async("global", "global", "migration_done_v4", True)
logger.info("数据库迁移完成。")