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jumpserver/apps/assets/backends/base.py

94 lines
2.7 KiB

# -*- coding: utf-8 -*-
#
import uuid
from abc import abstractmethod
class BaseBackend:
@classmethod
@abstractmethod
def filter(cls, username=None, assets=None, latest=True, prefer=None, prefer_id=None):
"""
:param username: 用户名
:param assets: <Asset>对象
:param latest: 是否是最新记录
:param prefer: 优先使用
:param prefer_id: 使用id
:return: 元素为<AuthBook>的可迭代对象(<list> or <QuerySet>)
"""
pass
class AssetUserQuerySet(list):
def order_by(self, *ordering):
_ordering = []
reverse = False
for i in ordering:
if i[0] == '-':
reverse = True
i = i[1:]
_ordering.append(i)
self.sort(key=lambda obj: [getattr(obj, j) for j in _ordering], reverse=reverse)
return self
def filter_in(self, kwargs):
in_kwargs = {}
queryset = []
for k, v in kwargs.items():
if len(v) == 0:
return self
if k.find("__in") >= 0:
_k = k.split('__')[0]
in_kwargs[_k] = v
else:
in_kwargs[k] = v
for k in in_kwargs:
kwargs.pop(k)
if len(in_kwargs) == 0:
return self
for i in self:
matched = False
for k, v in in_kwargs.items():
attr = getattr(i, k, None)
# 如果属性或者value中是uuid,则转换成string
if isinstance(v[0], uuid.UUID):
v = [str(i) for i in v]
if isinstance(attr, uuid.UUID):
attr = str(attr)
if v in attr:
matched = True
if matched:
queryset.append(i)
return AssetUserQuerySet(queryset)
def filter_equal(self, kwargs):
def filter_it(obj):
wanted = []
real = []
for k, v in kwargs.items():
wanted.append(v)
value = getattr(obj, k)
if isinstance(value, uuid.UUID):
value = str(value)
real.append(value)
return wanted == real
if len(kwargs) > 0:
queryset = AssetUserQuerySet([i for i in self if filter_it(i)])
else:
queryset = self
return queryset
def filter(self, **kwargs):
queryset = self.filter_in(kwargs).filter_equal(kwargs)
return queryset
def distinct(self):
items = list(set(self))
self[:] = items
return self
def __or__(self, other):
self.extend(other)
return self