from sqlalchemy.ext.associationproxy import association_proxy
from sqlalchemy.orm import relation
from sqlalchemy.orm.session import Session
from sqlalchemy.ext.associationproxy import association_proxy
from sqlalchemy.orm import relation
from sqlalchemy.orm.session import Session
id = Column(Integer, primary_key=True)
name = Column(Unicode(length=20), nullable=False)
unique_identifier = Column(Unicode(length=32), nullable=False)
id = Column(Integer, primary_key=True)
name = Column(Unicode(length=20), nullable=False)
unique_identifier = Column(Unicode(length=32), nullable=False)
def __init__(self, *args, **kwargs):
# Generate a unique hash if one isn't provided (which it shouldn't be)
def __init__(self, *args, **kwargs):
# Generate a unique hash if one isn't provided (which it shouldn't be)