Files
Pre_Seg_Server/backend/schemas.py
admin 5ab4602535 feat: 完善视频传播、标注编辑和拆帧闭环
- 接入 SAM2 视频传播能力:新增 /api/ai/propagate,支持用当前帧 mask/polygon/bbox 作为 seed,通过 SAM2 video predictor 向前、向后或双向传播,并可保存为真实 annotation。
- 接入 SAM3 video tracker:通过独立 Python 3.12 external worker 调用 SAM3 video predictor/tracker,使用本地 checkpoint 与 bbox seed 执行视频级跟踪,并在模型状态中标记 video_track 能力。
- 完善 SAM 模型分发:sam_registry 按 model_id 明确区分 sam2 propagation 与 sam3 video_track,避免两个模型链路混用。
- 打通前端“传播片段”:VideoWorkspace 使用当前选中 mask 和当前 AI 模型调用后端传播接口,传播结果回写并刷新工作区已保存标注。
- 增强 SAM3 本地 checkpoint 配置:新增 sam3_checkpoint_path 配置和 .env.example 示例,状态检查改为基于本地 checkpoint/独立环境/模型包可用性。
- 完善视频拆帧参数:/api/media/parse 支持 parse_fps、max_frames、target_width,后端任务保存帧时间戳、源帧号和 frame_sequence 元数据。
- 增加运行时 schema 兼容处理:启动时为旧 frames 表补充 timestamp_ms 和 source_frame_number 列,避免旧库升级后缺字段。
- 强化 Canvas 标注编辑:补齐多边形闭合、点工具、顶点拖拽、边中点插入、Delete/Backspace 删除、区域合并和重叠去除等交互。
- 增强语义分类联动:选中 mask 后可通过右侧语义分类树更新标签、颜色和 class metadata,并同步到保存/导出链路。
- 增加关键帧时间轴体验:FrameTimeline 显示具体时间信息,并支持键盘左右方向键切换关键帧。
- 完善 AI 交互分割参数:前端保留正向点、反向点、框选和 interactive prompt 的调用状态,支持 SAM2 细化候选区域与 SAM3 bbox 入口。
- 扩展后端/前端 API 类型:新增 propagateMasks、传播请求/响应 schema,并补齐 annotation、导出、模型状态和任务接口的测试覆盖。
- 更新项目文档:同步 README、AGENTS、接口契约、需求冻结、设计冻结、前端元素审计、实施计划和测试计划,标明真实功能边界与剩余风险。
- 增加测试覆盖:补充 SAM2/SAM3 传播、SAM3 状态、媒体拆帧参数、Canvas 编辑、语义标签切换、时间轴、工作区传播和 API 合约测试。
- 加强仓库安全边界:将 sam3权重/ 加入 .gitignore,避免本地模型权重被误提交。

验证:npm run test:run;pytest backend/tests;npm run lint;npm run build;python -m py_compile;git diff --check。
2026-05-01 20:27:33 +08:00

263 lines
6.8 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"
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