def getModel(cls, django_app):
"""
Returns an Entity model linked to a specified application.
Args:
- django_app: Name of the application where the generated model will be
installed.
"""
fields = cls.fields
fields.update({'save': cls.getSaveMethod()})
return create_model(cls.model_name, fields=fields, app_label=django_app)
def getModel(cls, ValueClass):
"""
Returns an abstract BaseSubValue model linked to a specified application and
its Value model.
Args:
- ValueClass: the Value model that the sub-attribute will be linked to
"""
fields = {'base_value': models.ForeignKey(ValueClass)}
opts = {'abstract': True}
return create_model(cls.model_name, fields=fields, options=opts,
app_label=ValueClass._meta.app_label)
def getModel(cls, EntityClass, extra_fields={}):
"""
Returns an Attribute Model linked to a specified application and its
Entity Model.
Args:
- EntityClass: the Entity model that the attribute will be linked to
- extra_fields (optional): other fields to be added to the Attribute model
"""
fields = {'definition': models.CharField(max_length=64),
'entity': models.ForeignKey(EntityClass),
'date_created': models.DateField(auto_now_add=True),
'__unicode__': lambda self: self.definition}
fields.update(extra_fields)
return create_model(cls.model_name, fields=fields,
app_label=EntityClass._meta.app_label)
def getModel(cls, EntityClass, AttributeClass, extra_fields={}):
"""
Returns a Value Model linked to a specified application, its Entity model
and its Attribute model.
Args:
- EntityClass: the Entity model that the attribute will be linked to
- AttributeClass: the Attribute model that the attribute will be linked to
- extra_fields (optional): other fields to be added to the Value model
"""
fields = {'attribute': models.ForeignKey(AttributeClass),
'entity': models.ForeignKey(EntityClass),
'date_created': models.DateField(auto_now_add=True),
'subvalue': cls.getSubValueProperty(),
'__unicode__': lambda self: str(self.subvalue)}
fields.update(extra_fields)
return create_model(cls.model_name, fields=fields,
app_label=EntityClass._meta.app_label)