37 lines
849 B
Python
37 lines
849 B
Python
import databases
|
|
import sqlalchemy
|
|
|
|
import orm
|
|
|
|
database = databases.Database("sqlite:///db.sqlite")
|
|
metadata = sqlalchemy.MetaData()
|
|
|
|
|
|
class Department(orm.Model):
|
|
__database__ = database
|
|
__metadata__ = metadata
|
|
|
|
id = orm.Integer(primary_key=True)
|
|
name = orm.String(length=100)
|
|
|
|
|
|
class Course(orm.Model):
|
|
__database__ = database
|
|
__metadata__ = metadata
|
|
|
|
id = orm.Integer(primary_key=True)
|
|
name = orm.String(length=100)
|
|
completed = orm.Boolean(default=False)
|
|
department = orm.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'))
|
|
|