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https://github.com/fastapiadmin/FastapiAdmin.git
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zhangtao
ecec6ceadb
refactor: 重构基础模型和响应类，增加success字段 fix: 修复定时任务日志记录和异常处理问题 style: 调整中间件日志记录逻辑，优化参数处理 docs: 更新数据库配置和依赖项说明 perf: 优化文件上传服务，支持OSS存储 test: 添加定时任务日志模型和参数验证 chore: 更新依赖项，添加openai库支持
38 lines
921 B
Python
38 lines
921 B
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import time
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from dataclasses import dataclass
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from backend.common.exception import errors
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@dataclass(frozen=True)
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class SnowflakeConfig:
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"""雪花算法配置类"""
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# 位分配
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WORKER_ID_BITS: int = 5
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DATACENTER_ID_BITS: int = 5
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SEQUENCE_BITS: int = 12
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# 最大值
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MAX_WORKER_ID: int = (1 << WORKER_ID_BITS) - 1 # 31
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MAX_DATACENTER_ID: int = (1 << DATACENTER_ID_BITS) - 1 # 31
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SEQUENCE_MASK: int = (1 << SEQUENCE_BITS) - 1 # 4095
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# 位移偏移
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WORKER_ID_SHIFT: int = SEQUENCE_BITS
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DATACENTER_ID_SHIFT: int = SEQUENCE_BITS + WORKER_ID_BITS
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TIMESTAMP_LEFT_SHIFT: int = SEQUENCE_BITS + WORKER_ID_BITS + DATACENTER_ID_BITS
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# 元年时间戳
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EPOCH: int = 1262275200000
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# 默认值
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DEFAULT_DATACENTER_ID: int = 1
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DEFAULT_WORKER_ID: int = 0
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DEFAULT_SEQUENCE: int = 0
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snowflake = Snowflake()
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