114 lines
5.0 KiB
Python
114 lines
5.0 KiB
Python
"""模型清单路由:/v1/models、/v1/image_models、/v1/video_models(按用户档位过滤)。"""
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from __future__ import annotations
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from uuid import UUID
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from fastapi import Depends
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from ..model_gate import (
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default_image_variant,
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list_image_variants,
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list_video_variants,
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user_plan_role,
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)
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def register_model_routes(app, *, require_user) -> None:
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@app.get("/v1/models", tags=["misc"])
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def list_models(user_id: UUID = Depends(require_user)):
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"""列出所有可用 LLM 模型(扫 config/models/*.yaml)。
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前端顶栏 / 新建对话框的模型下拉拉这个。is_default 标记 cfg["default_model"]
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命中项。开发期不缓存,每次扫一遍(几个文件 IO);改 YAML 立即生效。
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"""
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from core.agent_builder import load_config
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from core.capabilities import ModelCapabilities
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from core.model_access import allowed_set
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from core.paths import ROOT
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import yaml as _yaml
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cfg = load_config()
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default = cfg["default_model"]
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models_dir = ROOT / cfg["models_dir"]
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# 按用户档位过滤:allowed=None → 全开(admin / '*' 档),否则只留集合内 profile。
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plan, role = user_plan_role(user_id)
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allowed = allowed_set(plan, role)
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out: list[dict] = []
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if models_dir.is_dir():
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for path in sorted(models_dir.glob("*.yaml")):
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try:
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data = _yaml.safe_load(path.read_text(encoding="utf-8")) or {}
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except Exception:
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continue
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family = data.get("family") or path.stem
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for variant in (data.get("variants") or {}).keys():
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profile = f"{family}.{variant}"
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if allowed is not None and profile not in allowed:
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continue
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try:
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caps = ModelCapabilities.load(profile, models_dir)
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except (ValueError, FileNotFoundError):
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continue
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out.append({
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"profile": profile,
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"display_name": caps.display_name or profile,
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"family": caps.family,
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"variant": caps.variant,
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"thinking_mode": caps.thinking_mode,
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"is_default": profile == default,
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})
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return {"models": out}
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@app.get("/v1/image_models", tags=["misc"])
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def list_image_models(user_id: UUID = Depends(require_user)):
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"""图像生成模型清单(扫 config/media/*.yaml image 段,跨 provider)。
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前端顶栏第二个下拉拉这个;空列表 → 没配 image variant 或本档无授权,UI 隐藏下拉。
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按用户档位过滤;`is_default` 见 default_image_variant(有 gpt_image 权限 →
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默认 GPT 生图,否则第一个)。开发期不缓存,改 YAML 立即生效。
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"""
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from core.model_access import allowed_set
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plan, role = user_plan_role(user_id)
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allowed = allowed_set(plan, role)
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default_key = default_image_variant(allowed)
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out: list[dict] = []
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for key, cfg in list_image_variants():
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if allowed is not None and key not in allowed:
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continue
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out.append({
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"variant": key,
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"display_name": cfg.get("display_name") or key,
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"model_id": cfg.get("model_id") or "",
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"price_cny_per_image": cfg.get("price_cny_per_image"),
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"is_default": key == default_key,
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})
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return {"models": out}
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@app.get("/v1/video_models", tags=["misc"])
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def list_video_models(user_id: UUID = Depends(require_user)):
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"""视频生成模型清单(扫 config/media/doubao.yaml video 段)。
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与 /v1/image_models 同范式;空列表 → UI 隐藏第三下拉。展示信息包括默认分辨率
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与 token 单价(¥/Mtok 文生视频路径),方便用户在下拉选项里直接看到 cost 量级。
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按用户档位过滤;`is_default` 标过滤后第一个 variant。
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"""
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from core.model_access import allowed_set
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plan, role = user_plan_role(user_id)
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allowed = allowed_set(plan, role)
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out: list[dict] = []
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for key, cfg in list_video_variants():
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if allowed is not None and key not in allowed:
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continue
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out.append({
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"variant": key,
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"display_name": cfg.get("display_name") or key,
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"model_id": cfg.get("model_id") or "",
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"default_resolution": cfg.get("default_resolution"),
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"default_duration": cfg.get("default_duration"),
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"default_ratio": cfg.get("default_ratio"),
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"price_cny_per_mtoken_text2video": cfg.get("price_cny_per_mtoken_text2video"),
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"price_cny_per_mtoken_video2video": cfg.get("price_cny_per_mtoken_video2video"),
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"is_default": not out, # 过滤后第一个
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})
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return {"models": out}
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