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models.py
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executable file
·64 lines (48 loc) · 1.74 KB
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#!/usr/bin/env python
# coding: utf8
# https://github.com/xinnet-iaas-openstack/quantum/blob/master/quantum/db/api.py
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Column, String, ForeignKey, Integer, DateTime
from sqlalchemy.orm import relation, object_mapper
BASE = declarative_base()
class NewsBase(object):
"""Base class for News Models."""
def __setitem__(self, key, value):
setattr(self, key, value)
def __getitem__(self, key):
return getattr(self, key)
def get(self, key, default=None):
return getattr(self, key, default)
def __iter__(self):
self._i = iter(object_mapper(self).columns)
return self
def next(self):
n = self._i.next().name
return n, getattr(self, n)
def update(self, values):
"""Make the model object behave like a dict"""
for k, v in values.iteritems():
setattr(self, k, v)
def iteritems(self):
"""Make the model object behave like a dict.
Includes attributes from joins."""
local = dict(self)
joined = dict([(k, v) for k, v in self.__dict__.iteritems()
if not k[0] == '_'])
local.update(joined)
return local.iteritems()
class News(BASE, NewsBase):
__tablename__ = 'news'
id = Column(Integer, primary_key=True)
title = Column(String(512))
url = Column(String(128))
site = Column(String(256))
abstract = Column(String(2048))
created = Column(DateTime)
file = Column(String(128))
def __init__(self, title, url, site):
self.title = title
self.url = url
self.site = site
def __repr__(self):
return "[%s] %s (via %s)" % (self.title, self.abstract, self.url)