simon
65ead54b4f
- 删除 5 个过时/残留文档(project_plan/agent_prompt/optimization_plan/report_db_design/deploy/README) - 新建 docs/architecture.md(项目架构:11 包职责+数据模型+配置+产物) - 重写 docs/user-guide.md(CLI 全量+增量/断点续跑+MCP+FAQ) - 重写 README.md(精简入口+文档索引) - 更新 continuation.md(追加本次记录) - 更新 .gitignore(排除 data/* 运行产物)
72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
"""Embedding provider 工厂:根据配置构造合适后端。
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配置优先级: 显式参数 > configs/llm_models.yaml scenes.embedding > .env > 默认。
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"""
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from __future__ import annotations
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import os
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from configs.loader import load_scene_config
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from .base import AsyncEmbeddingProvider, EmbeddingProvider
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from .models import EmbeddingError, EmbeddingProviderType
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from .remote import (
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DashScopeAsyncEmbeddingProvider,
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DashScopeEmbeddingProvider,
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)
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def _read_env(key: str, default: str | None = None) -> str | None:
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val = os.environ.get(key)
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if val is None or val.strip() == "":
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return default
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return val.strip()
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def resolve_provider_type(provider: str | None = None) -> EmbeddingProviderType:
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"""根据 provider 参数 / YAML 场景 / env 解析出 EmbeddingProviderType。
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映射:
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dashscope / qwen / remote -> DASHSCOPE
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local / local-bge / bge / bge-m3 -> LOCAL_BGE
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默认 dashscope。
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"""
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scene_provider = load_scene_config("embedding").get("provider")
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p = (
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provider
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or scene_provider
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or _read_env("EMBEDDING_PROVIDER", "dashscope")
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or "dashscope"
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).lower()
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if p in ("dashscope", "qwen", "remote"):
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return EmbeddingProviderType.DASHSCOPE
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if p in ("local", "local-bge", "bge", "bge-m3"):
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return EmbeddingProviderType.LOCAL_BGE
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raise EmbeddingError(f"未知 embedding provider: {provider!r}")
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def make_sync_provider(
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provider: str | None = None,
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**kwargs: object,
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) -> EmbeddingProvider:
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"""构造同步 provider。"""
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pt = resolve_provider_type(provider)
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if pt == EmbeddingProviderType.DASHSCOPE:
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return DashScopeEmbeddingProvider(**kwargs) # type: ignore[arg-type]
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# 本地后端
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from .local import LocalBGEEmbeddingProvider
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return LocalBGEEmbeddingProvider(**kwargs) # type: ignore[arg-type]
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def make_async_provider(
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provider: str | None = None,
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**kwargs: object,
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) -> AsyncEmbeddingProvider:
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"""构造异步 provider。"""
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pt = resolve_provider_type(provider)
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if pt == EmbeddingProviderType.DASHSCOPE:
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return DashScopeAsyncEmbeddingProvider(**kwargs) # type: ignore[arg-type]
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from .local import LocalBGEAsyncEmbeddingProvider
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return LocalBGEAsyncEmbeddingProvider(**kwargs) # type: ignore[arg-type]
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