python类JSONType()的实例源码

def _data_table(self):
        return sa.Table(
            'data', sa.MetaData(),
            sa.Column('pid', sa.String(255), nullable=False),
            sa.Column('json', JSONType(), nullable=False))

def upgrade():
    op.add_column("resource_type",
                  sa.Column('attributes', sa_utils.JSONType(),))

def __init__(self, *args, **kwargs):
        if json is None:
            raise ImproperlyConfigured(
                'JSONType needs anyjson package installed.'
            )
        super(JSONType, self).__init__(*args, **kwargs)