DataMate/runtime/datamate-python/app/module/annotation/service/builtin_templates.py

from dataclasses import dataclass
from datetime import datetime
from typing import List

from sqlalchemy import select
from sqlalchemy.exc import IntegrityError
from sqlalchemy.ext.asyncio import AsyncSession

from app.core.logging import get_logger
from app.db.models.annotation_management import AnnotationTemplate
from app.module.annotation.utils.config_validator import LabelStudioConfigValidator

logger = get_logger(__name__)

DATA_TYPE_IMAGE = "image"
CATEGORY_COMPUTER_VISION = "computer-vision"
STYLE_HORIZONTAL = "horizontal"
VERSION_DEFAULT = "1.0.0"

OBJECT_DETECTION_LABEL_CONFIG = """<View>
  <Image name=\"image\" value=\"$image\"/>
  <RectangleLabels name=\"label\" toName=\"image\">
    <Label value=\"Airplane\" background=\"green\"/>
    <Label value=\"Car\" background=\"blue\"/>
  </RectangleLabels>
</View>"""

SEMANTIC_SEGMENTATION_MASK_LABEL_CONFIG = """<View>
  <Image name=\"image\" value=\"$image\" zoom=\"true\"/>
  <BrushLabels name=\"tag\" toName=\"image\">
    <Label value=\"Airplane\" background=\"rgba(255, 0, 0, 0.7)\"/>
    <Label value=\"Car\" background=\"rgba(0, 0, 255, 0.7)\"/>
  </BrushLabels>
</View>"""

SEMANTIC_SEGMENTATION_POLYGON_LABEL_CONFIG = """<View>
  <Header value=\"选择标签并点击图像开始\"/>
  <Image name=\"image\" value=\"$image\" zoom=\"true\"/>
  <PolygonLabels name=\"label\" toName=\"image\" strokeWidth=\"3\" pointSize=\"small\" opacity=\"0.9\">
    <Label value=\"Airplane\" background=\"red\"/>
    <Label value=\"Car\" background=\"blue\"/>
  </PolygonLabels>
</View>"""


@dataclass(frozen=True)
class BuiltInTemplateDefinition:
    id: str
    name: str
    description: str
    data_type: str
    labeling_type: str
    label_config: str
    style: str
    category: str
    version: str


BUILT_IN_TEMPLATES: List[BuiltInTemplateDefinition] = [
    BuiltInTemplateDefinition(
        id="tpl-object-detection-001",
        name="目标检测（边界框）",
        description=(
            "在目标周围绘制边界框，适用于自动驾驶、交通监控、安防监控、零售分析等场景。"
            "关联模型：YOLO、R-CNN、SSD"
        ),
        data_type=DATA_TYPE_IMAGE,
        labeling_type="object-detection",
        label_config=OBJECT_DETECTION_LABEL_CONFIG,
        style=STYLE_HORIZONTAL,
        category=CATEGORY_COMPUTER_VISION,
        version=VERSION_DEFAULT,
    ),
    BuiltInTemplateDefinition(
        id="tpl-semantic-segmentation-mask-001",
        name="语义分割（掩码）",
        description=(
            "使用画笔工具在目标周围绘制掩码，适用于自动驾驶、医学图像分析、卫星图像分析等场景。"
            "关联模型：U-Net、DeepLab、Mask R-CNN"
        ),
        data_type=DATA_TYPE_IMAGE,
        labeling_type="semantic-segmentation-mask",
        label_config=SEMANTIC_SEGMENTATION_MASK_LABEL_CONFIG,
        style=STYLE_HORIZONTAL,
        category=CATEGORY_COMPUTER_VISION,
        version=VERSION_DEFAULT,
    ),
    BuiltInTemplateDefinition(
        id="tpl-semantic-segmentation-polygon-001",
        name="语义分割（多边形）",
        description=(
            "在目标周围绘制多边形，适用于自动驾驶、医学图像、卫星图像、精准农业等场景。"
            "关联模型：DeepLab、PSPNet、U-Net"
        ),
        data_type=DATA_TYPE_IMAGE,
        labeling_type="semantic-segmentation-polygon",
        label_config=SEMANTIC_SEGMENTATION_POLYGON_LABEL_CONFIG,
        style=STYLE_HORIZONTAL,
        category=CATEGORY_COMPUTER_VISION,
        version=VERSION_DEFAULT,
    ),
]

assert len({template.id for template in BUILT_IN_TEMPLATES}) == len(BUILT_IN_TEMPLATES), (
    "内置模板ID不能重复"
)


async def ensure_builtin_annotation_templates(db: AsyncSession) -> int:
    inserted = 0

    for template in BUILT_IN_TEMPLATES:
        label_config = template.label_config.strip()
        assert label_config, f"内置模板 {template.id} 的 label_config 不能为空"

        valid, error = LabelStudioConfigValidator.validate_xml(label_config)
        if not valid:
            raise ValueError(f"内置模板 {template.id} 的 label_config 无效: {error}")

        result = await db.execute(
            select(AnnotationTemplate).where(AnnotationTemplate.id == template.id)
        )
        existing = result.scalar_one_or_none()
        if existing:
            continue

        record = AnnotationTemplate(
            id=template.id,
            name=template.name,
            description=template.description,
            data_type=template.data_type,
            labeling_type=template.labeling_type,
            configuration=None,
            label_config=label_config,
            style=template.style,
            category=template.category,
            built_in=True,
            version=template.version,
            created_at=datetime.now(),
        )
        db.add(record)

        try:
            await db.commit()
            inserted += 1
        except IntegrityError:
            await db.rollback()
            logger.warning(f"内置模板已存在，跳过插入: {template.id}")
        except Exception:
            await db.rollback()
            logger.exception(f"写入内置模板失败: {template.id}")
            raise

    return inserted