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from typing import Optional
import databases
import ormar
import sqlalchemy
DATABASE_URL = "sqlite:///test.db"
ormar_base_config = ormar.OrmarConfig(
database=databases.Database(DATABASE_URL), metadata=sqlalchemy.MetaData()
)
class Department(ormar.Model):
ormar_config = ormar_base_config.copy()
id: int = ormar.Integer(primary_key=True)
name: str = ormar.String(max_length=100)
class Course(ormar.Model):
ormar_config = ormar_base_config.copy()
id: int = ormar.Integer(primary_key=True)
name: str = ormar.String(max_length=100)
completed: bool = ormar.Boolean(default=False)
department: Optional[Department] = ormar.ForeignKey(
Department, related_name="my_courses"
)
department = Department(name="Science")
course = Course(name="Math", completed=False, department=department)
print(department.my_courses[0])
# Will produce:
# Course(id=None,
# name='Math',
# completed=False,
# department=Department(id=None, name='Science'))
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