atomdb.nosql module¶

Copyright (c) 2018-2022, CodeLV.

Distributed under the terms of the MIT License.

The full license is in the file LICENSE.text, distributed with this software.

Created on Jun 12, 2018

class atomdb.nosql.NoSQLDatabaseProxy[source]¶

Bases: atom.atom.Atom

A proxy to the collection which holds a cache of model objects.

cache¶

Object cache

table¶

Database handle

class atomdb.nosql.NoSQLModel[source]¶

Bases: atomdb.base.Model

An atom model that can be serialized and deserialized to and from MongoDB.

async delete()[source]¶

Alias to delete this object in the database

async load()[source]¶

Alias to load this object from the database

objects: ClassVar[atomdb.base.ModelManager]¶

Handles database access

async classmethod restore(state, force=False)[source]¶

Restore an object from the database. If the object is cached, use that instead.

async save()[source]¶

Alias to delete this object to the database

serializer: ClassVar[atomdb.base.ModelSerializer] = <atomdb.nosql.NoSQLModelSerializer object>¶

Handles encoding and decoding

class atomdb.nosql.NoSQLModelManager[source]¶

Bases: atomdb.base.ModelManager

A descriptor so you can use this somewhat like Django’s models. Assuming your using motor or txmongo.

MyModel.objects.find_one({‘_id’:’someid})

database¶

Used to access the database

proxies¶

Table proxy cache

class atomdb.nosql.NoSQLModelSerializer[source]¶

Bases: atomdb.base.ModelSerializer

Handles serializing and deserializing of Model subclasses. It will automatically save and restore references where present.

flatten_object(obj, scope)[source]¶

Serialize a model for entering into the database

obj: Model

The object to unflatten

scope: Dict

The scope of references available for circular lookups

result: Object

The flattened object

async get_object_state(obj, state, scope)[source]¶

Lookup the state needed to restore the given object id and class.

obj: Model

The object created by get_or_create

state: Dict

Unflattened state of object to restore

scope: Dict

Scope of objects available when flattened

result: Any

The model state needed to restore this object

async get_or_create(cls, state, scope)[source]¶

Restore an object from the database. If the object is cached, use that instead.

registry¶

Store all registered models