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from sqlalchemy import create_engine, Table, Column, Text, String, Integer, Float, DateTime, JSON, ForeignKey
from sqlalchemy.orm import relationship
import sqlalchemy.sql.functions as func
from sqlalchemy_utc import UtcDateTime, utcnow
from wtforms_alchemy import ModelForm
from app.sql.common import db, Base, Session
# from app.sql.models.page import Page
from app.settings import app_cfg
class Annotation(Base):
"""Table for storing references to annotations"""
__tablename__ = 'annotation'
id = Column(Integer, primary_key=True)
type = Column(String(16, convert_unicode=True), nullable=False)
paragraph_id = Column(Integer, ForeignKey('paragraph.id'), nullable=True)
start_ts = Column(Float, nullable=False)
end_ts = Column(Float, nullable=True)
text = Column(Text(convert_unicode=True), nullable=True)
settings = Column(JSON, default={}, nullable=True)
def toJSON(self):
return {
'id': self.id,
'type': self.type,
'paragraph_id': self.paragraph_id,
'start_ts': self.start_ts,
'end_ts': self.end_ts,
'text': self.text,
'settings': self.settings,
}
class AnnotationForm(ModelForm):
class Meta:
model = Annotation
exclude = ['start_ts', 'settings']
def get_session():
return Session()
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