canaille-globuzma/canaille/backends/memory/models.py

98 lines
2.7 KiB
Python

import typing
import canaille.core.models
import canaille.oidc.models
from canaille.app import models
from canaille.backends import Backend
from canaille.backends.models import BackendModel
class MemoryModel(BackendModel):
def __init__(self, *args, **kwargs):
self._state = {}
self._cache = {}
for attribute, value in kwargs.items():
setattr(self, attribute, value)
def __repr__(self):
return f"<{self.__class__.__name__} id={self.id}>"
@classmethod
def listify(cls, value):
return value if isinstance(value, list) else [value]
@classmethod
def serialize(cls, value):
if isinstance(value, list):
values = [cls.serialize(item) for item in value]
return [item for item in values if item]
return value.id if isinstance(value, MemoryModel) else value
@classmethod
def deserialize(cls, attribute_name, value):
if isinstance(value, list):
values = [cls.deserialize(attribute_name, item) for item in value]
return [item for item in values if item]
if not value:
multiple_attribute = (
typing.get_origin(cls.attributes[attribute_name]) is list
)
return [] if multiple_attribute else None
model, _ = cls.get_model_annotations(attribute_name)
if model and not isinstance(value, model):
backend_model = getattr(models, model.__name__)
return Backend.instance.get(backend_model, id=value)
return value
def __eq__(self, other):
if other is None:
return False
if not isinstance(other, MemoryModel):
return self == Backend.instance.get(self.__class__, id=other)
return self._state == other._state
def __hash__(self):
return hash(self.id)
def __getattribute__(self, name):
if name != "attributes" and name in self.attributes:
return self.deserialize(name, self._cache.get(name, self._state.get(name)))
return super().__getattribute__(name)
def __setattr__(self, name, value):
if name in self.attributes:
self._cache[name] = value
self._state[name] = self.serialize(value)
else:
super().__setattr__(name, value)
class User(canaille.core.models.User, MemoryModel):
pass
class Group(canaille.core.models.Group, MemoryModel):
pass
class Client(canaille.oidc.models.Client, MemoryModel):
pass
class AuthorizationCode(canaille.oidc.models.AuthorizationCode, MemoryModel):
pass
class Token(canaille.oidc.models.Token, MemoryModel):
pass
class Consent(canaille.oidc.models.Consent, MemoryModel):
pass