Files
Pre_Seg_Server/backend/schemas.py
admin 29a1a87e52 feat: 完善 SAM2.1 模型选择与标注工作流
- 后端 SAM2 引擎新增 sam2.1_hiera_tiny、sam2.1_hiera_small、sam2.1_hiera_base_plus、sam2.1_hiera_large 四个变体定义,并按变体维护 checkpoint/config、image predictor、video predictor、加载状态、错误信息和真实状态回报。

- 后端 SAM registry 仅暴露当前产品启用的 SAM2.1 变体,保留 sam2 作为 tiny 兼容别名,拒绝 sam3 产品入口,并把 point、box、interactive、auto、propagate 都分发到所选 SAM2.1 变体。

- 后端默认配置和下载脚本切换到 SAM2.1 checkpoint 命名,支持 legacy SAM2 checkpoint fallback,并在状态消息中标出 fallback 使用情况。

- 前端全局 AI 模型状态新增 SAM2.1 tiny/small/base+/large 类型和默认 tiny,API 请求默认携带 sam2.1_hiera_tiny,AI 页面提供模型变体选择和所选模型状态展示。

- AI 智能分割页移除当前产品不使用的 SAM3/文本提示入口,保留正向点、反向点、框选和参数开关;AI 页只展示本页生成的候选 mask,并支持遮罩清晰度调节、候选 mask 上继续加正/反点、清空本页候选、推送到工作区编辑。

- 工作区和 Canvas 补强 SAM2 交互式细化链路:框选后正/反点继续细化同一个候选 mask,反向点请求启用背景过滤,空结果会移除被否定候选;AI 推送到工作区后保留选中态和未保存 draft mask。

- 工作区标注保存闭环补强:未保存 mask 可归档保存,dirty saved mask 可更新,保存后用后端 saved annotation 替换已提交 draft,清空/删除已保存 mask 时同步后端删除。

- Dashboard 任务进度区改为展示 queued、running、success、failed、cancelled 最近任务,处理中统计只计算 queued/running,并保留近期完成记录。

- 时间轴在顶部时间进度条和底部缩略图导航轴之间新增已编辑帧标记带,基于当前项目帧内 masks 标出已有编辑/标注的帧,并支持点击标记跳转。

- 前端测试覆盖 SAM2.1 变体选择、模型状态徽标、AI 页候选隔离、遮罩透明度、候选上追加正/反点、推送工作区保留选择、Canvas 交互式细化、VideoWorkspace 传播/保存、Dashboard 进度和时间轴已编辑帧标记。

- 后端测试覆盖 SAM2.1 变体状态、sam2 alias 兼容、sam3 禁用、semantic 禁用、传播标注保存、Dashboard 最近任务状态和 SAM3 历史测试跳过说明。

- README、AGENTS 和 doc 文档同步当前真实进度,更新 SAM2.1 变体、SAM3 禁用、接口契约、设计冻结、需求冻结、前端元素审计、实施计划、FastAPI docs 说明和测试矩阵。
2026-05-01 23:39:53 +08:00

263 lines
6.9 KiB
Python

"""Pydantic schemas for request/response validation."""
from datetime import datetime
from typing import Optional, Any
from pydantic import BaseModel, ConfigDict
# ---------------------------------------------------------------------------
# Project schemas
# ---------------------------------------------------------------------------
class ProjectBase(BaseModel):
name: str
description: Optional[str] = None
video_path: Optional[str] = None
thumbnail_url: Optional[str] = None
status: Optional[str] = "pending"
source_type: Optional[str] = "video"
original_fps: Optional[float] = None
parse_fps: Optional[float] = 30.0
class ProjectCreate(ProjectBase):
pass
class ProjectUpdate(BaseModel):
name: Optional[str] = None
description: Optional[str] = None
video_path: Optional[str] = None
thumbnail_url: Optional[str] = None
status: Optional[str] = None
source_type: Optional[str] = None
original_fps: Optional[float] = None
parse_fps: Optional[float] = None
class ProjectOut(ProjectBase):
model_config = ConfigDict(from_attributes=True)
id: int
created_at: datetime
updated_at: datetime
frame_count: int = 0
# ---------------------------------------------------------------------------
# Frame schemas
# ---------------------------------------------------------------------------
class FrameBase(BaseModel):
frame_index: int
image_url: str
width: Optional[int] = None
height: Optional[int] = None
timestamp_ms: Optional[float] = None
source_frame_number: Optional[int] = None
class FrameCreate(FrameBase):
project_id: int
class FrameOut(FrameBase):
model_config = ConfigDict(from_attributes=True)
id: int
project_id: int
created_at: datetime
# ---------------------------------------------------------------------------
# Template schemas
# ---------------------------------------------------------------------------
class TemplateBase(BaseModel):
name: str
description: Optional[str] = None
color: str
z_index: int = 0
mapping_rules: Optional[dict[str, Any]] = None
classes: Optional[list[dict[str, Any]]] = None
rules: Optional[list[dict[str, Any]]] = None
class TemplateCreate(TemplateBase):
pass
class TemplateUpdate(BaseModel):
name: Optional[str] = None
description: Optional[str] = None
color: Optional[str] = None
z_index: Optional[int] = None
mapping_rules: Optional[dict[str, Any]] = None
classes: Optional[list[dict[str, Any]]] = None
rules: Optional[list[dict[str, Any]]] = None
class TemplateOut(TemplateBase):
model_config = ConfigDict(from_attributes=True)
id: int
created_at: datetime
# ---------------------------------------------------------------------------
# Annotation schemas
# ---------------------------------------------------------------------------
class AnnotationBase(BaseModel):
project_id: int
frame_id: Optional[int] = None
template_id: Optional[int] = None
mask_data: Optional[dict[str, Any]] = None
points: Optional[list[list[float]]] = None
bbox: Optional[list[float]] = None
class AnnotationCreate(AnnotationBase):
pass
class AnnotationUpdate(BaseModel):
mask_data: Optional[dict[str, Any]] = None
points: Optional[list[list[float]]] = None
bbox: Optional[list[float]] = None
template_id: Optional[int] = None
class AnnotationOut(AnnotationBase):
model_config = ConfigDict(from_attributes=True)
id: int
created_at: datetime
updated_at: datetime
# ---------------------------------------------------------------------------
# Mask schemas
# ---------------------------------------------------------------------------
class MaskBase(BaseModel):
annotation_id: int
mask_url: str
format: str = "png"
class MaskCreate(MaskBase):
pass
class MaskOut(MaskBase):
model_config = ConfigDict(from_attributes=True)
id: int
created_at: datetime
# ---------------------------------------------------------------------------
# Processing task schemas
# ---------------------------------------------------------------------------
class ProcessingTaskOut(BaseModel):
model_config = ConfigDict(from_attributes=True)
id: int
task_type: str
status: str
progress: int
message: Optional[str] = None
project_id: Optional[int] = None
celery_task_id: Optional[str] = None
payload: Optional[dict[str, Any]] = None
result: Optional[dict[str, Any]] = None
error: Optional[str] = None
created_at: datetime
started_at: Optional[datetime] = None
finished_at: Optional[datetime] = None
updated_at: datetime
# ---------------------------------------------------------------------------
# AI schemas
# ---------------------------------------------------------------------------
class PredictRequest(BaseModel):
image_id: int
prompt_type: str # point / box / semantic
prompt_data: Any
model: Optional[str] = None
options: Optional[dict[str, Any]] = None
class PredictResponse(BaseModel):
polygons: list[list[list[float]]]
scores: Optional[list[float]] = None
class PropagationSeed(BaseModel):
polygons: Optional[list[list[list[float]]]] = None
bbox: Optional[list[float]] = None
points: Optional[list[list[float]]] = None
labels: Optional[list[int]] = None
label: Optional[str] = None
color: Optional[str] = None
class_metadata: Optional[dict[str, Any]] = None
template_id: Optional[int] = None
class PropagateRequest(BaseModel):
project_id: int
frame_id: int
model: Optional[str] = "sam2.1_hiera_tiny"
seed: PropagationSeed
direction: str = "forward"
max_frames: int = 30
include_source: bool = False
save_annotations: bool = True
class PropagateResponse(BaseModel):
model: str
direction: str
source_frame_id: int
processed_frame_count: int
created_annotation_count: int
annotations: list[AnnotationOut]
class AiModelStatus(BaseModel):
id: str
label: str
available: bool
loaded: bool = False
device: str
supports: list[str]
message: str
package_available: bool = False
checkpoint_exists: bool = False
checkpoint_path: Optional[str] = None
python_ok: bool = True
torch_ok: bool = True
cuda_required: bool = False
external_available: bool = False
external_python: Optional[str] = None
class GpuStatus(BaseModel):
available: bool
device: str
name: Optional[str] = None
torch_available: bool
torch_version: Optional[str] = None
cuda_version: Optional[str] = None
class AiRuntimeStatus(BaseModel):
selected_model: str
gpu: GpuStatus
models: list[AiModelStatus]
# ---------------------------------------------------------------------------
# Export schemas
# ---------------------------------------------------------------------------
class ExportStatus(BaseModel):
url: str
format: str