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