delete

levelorm/orm.py

@@ -92,6 +92,11 @@ def save(self) -> None:
 		keyfield = getattr(self.__class__, self._keyname)
 		self.db.put(keyfield.serialize_key(self._key), buf.getvalue())
 
+	def delete(self) -> None:
+		''' deletes this instance from the :attr:`db`. no error is raised if the key was not found '''
+		keyfield = getattr(self.__class__, self._keyname)
+		self.db.delete(keyfield.serialize_key(self._key))
+
 	def __repr__(self) -> str:
 		args = []
 		for fieldname in self._fields:

tests/test_orm.py

@@ -71,6 +71,11 @@ def test_basic(self):
 		dog_after = list(Animal.iter(start='dog'))[0]
 		assert dog == dog_after
 
+		dog.delete()
+		assert Animal.get('dog') is None
+
+		Animal('duck', 'quack', True).delete()
+
 	def test_str(self):
 		a = Animal('sheep', 'baa', False)
 		assert str(a) == "Animal(name='sheep', onomatopoeia='baa', shouts=False)"