初始化

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2026-07-18 16:13:52 +08:00
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"""Embedding 向量生成数据模型 (M5)。"""
from datetime import datetime
from pydantic import BaseModel, Field
class EmbeddingResult(BaseModel):
"""单篇文章的嵌入向量结果,M5 最终落盘格式。"""
# 来源标识
url_hash: str
source_id: str
# 嵌入向量(1024 维 float 列表)
vector: list[float] = Field(..., description="1024 维浮点向量")
dimension: int = 1024
# 嵌入文本(用于检索时调试/可视化)
embedded_text: str = Field(default="", description="拼接后送入 embedder 的文本")
# 调用元信息
provider: str = "dashscope"
model: str = ""
embedded_at: datetime = Field(default_factory=datetime.now)
class EmbeddingError(Exception):
"""Embedding 调用失败。"""
def __init__(self, reason: str, *, attempts: int = 0) -> None:
super().__init__(reason)
self.reason = reason
self.attempts = attempts