Class InstanceTemplate

shared/database/annotation/instance_template.py:9–136

An template for an instance.

import json

class InstanceTemplate(Base):
    """
    An template for an instance.

    """
    __tablename__ = 'instance_template'

    id = Column(BIGINT, primary_key = True)

    name = Column(String)

    project_id = Column(Integer, ForeignKey('project.id'))
    project = relationship("Project")

    instance_relations = relationship(InstanceTemplateRelation,back_populates="instance_template")

    reference_width = Column(Integer)
    reference_height = Column(Integer)

    # 'active, or 'archived'
    status = Column(String(), default = 'active')

    mode = Column(String(), default = '1_click')

    member_created_id = Column(Integer, ForeignKey('member.id'))
    member_created = relationship("Member", foreign_keys = [member_created_id])

    member_updated_id = Column(Integer, ForeignKey('member.id'))
    member_updated = relationship("Member", foreign_keys = [member_updated_id])

    created_time = Column(DateTime, default = datetime.datetime.utcnow)
    last_updated_time = Column(DateTime, onupdate = datetime.datetime.utcnow)
    deleted_time = Column(DateTime, nullable = True)

    @staticmethod
    def get_by_id(session, id):
        return session.query(InstanceTemplate).filter(
            InstanceTemplate.id == id
        ).first()

    @staticmethod
    def list(
        session,
        project,
        schema: 'LabelSchema' = None,
        status = 'active'
    ):
        """
            Returns the InstanceTemplates object list matching the given
            parameters.
        :param session:
        :param project:
        :return:
        """
        query = session.query(InstanceTemplate).filter(
            InstanceTemplate.project_id == project.id,
            InstanceTemplate.status == status
        )