def save(self):
"""
Save this instance to the database. Validation is performed first.
"""
d = self.validate()
self.get_collection().save(d)
if not self._id:
self._id = d['_id']
registry.add_model_instance(self)
self.was_created()
else:
self.was_modified()
def __init__(self, **kwargs):
"""
Create a new instance of a model optionally setting any of its fields::
class Swallow(Model):
is_laden = Bool()
speed = TypeOf(float)
direction = Enum('N', 'E', 'S', 'W')
# Create a model and set all its fields
s = Swallow(is_laden=True, speed=23.7, direction='E')
# Create a model and then set some fields
t = Swallow()
t.is_laden = False
# Validation doesn't occur until save
t.save()
# raises InvalidGroupError since this instance is missing two fields
t.speed = 5
t.direction = 'S'
t.save() # ok, we are in the db now
"""
self._reference_fields = {}
for k,v in self.__class__.__dict__.items():
if isinstance(v, Validator):
setattr(self, k, kwargs.get(k))
elif isinstance(v, Relationship):
self._reference_fields[k] = kwargs.get(k)
setattr(self, '_id', kwargs.get('_id'))
self.remove = self._remove
if self._id:
registry.add_model_instance(self)