41 lines
954 B
Python
41 lines
954 B
Python
from typing import Optional
|
|
|
|
import databases
|
|
import sqlalchemy
|
|
|
|
import ormar
|
|
|
|
database = databases.Database("sqlite:///db.sqlite")
|
|
metadata = sqlalchemy.MetaData()
|
|
|
|
|
|
class Department(ormar.Model):
|
|
class Meta:
|
|
database = database
|
|
metadata = metadata
|
|
|
|
id: int = ormar.Integer(primary_key=True)
|
|
name: str = ormar.String(max_length=100)
|
|
|
|
|
|
class Course(ormar.Model):
|
|
class Meta:
|
|
database = database
|
|
metadata = metadata
|
|
|
|
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)
|
|
|
|
|
|
department = Department(name='Science')
|
|
course = Course(name='Math', completed=False, department=department)
|
|
|
|
print(department.courses[0])
|
|
# Will produce:
|
|
# Course(id=None,
|
|
# name='Math',
|
|
# completed=False,
|
|
# department=Department(id=None, name='Science'))
|