Código fonte de legislei.models.user

from bson.objectid import ObjectId
from mongoengine import (BooleanField, Document, EmailField, EmbeddedDocument,
                         EmbeddedDocumentField, EmbeddedDocumentListField,
                         StringField)

from legislei.models.inscricoes import Inscricoes


class UserDevice(EmbeddedDocument):
    
    id = StringField(unique=True, required=True)
    token = StringField(unique=True, required=True)
    active = BooleanField(default=True)
    name = StringField(required=True)
    os = StringField()


class User(Document):
    """
    Classe de usuário requerida pelo Flask-Login
    """

    username = StringField(min_length=3, unique=True, required=True)
    email = EmailField(unique=True, required=True)
    password = StringField(required=True)
    inscricoes = EmbeddedDocumentField(Inscricoes)
    devices = EmbeddedDocumentListField(UserDevice)
    meta = {'collection': 'users'}

    def is_authenticated(self):
        return str(self.pk)

    def is_active(self):
        return str(self.pk)

    def is_anonymous(self):
        return self.pk == None

    def get_id(self):
        return str(self.pk)