Luo Peng RussellLuo

RussellLuo / post_pv

Created July 17, 2014 03:53

An example showing how to use @hybrid_property in SQLAlchemy.

	#!/usr/bin/env python
	# -- coding: utf-8 --

	from sqlalchemy import Column, Integer
	from sqlalchemy.ext.declarative import declarative_base
	from sqlalchemy.orm import Session
	from sqlalchemy.ext.hybrid import hybrid_property

	Base = declarative_base()

RussellLuo / oneline_print

Created June 16, 2014 03:48

Print messages just on one line. That is, old messages will be replaced by new ones one the same line.

RussellLuo / dummy_request_in_django

Last active August 29, 2015 14:01

An example showing how to use the dummy request in Django unit testing.

	#!/usr/bin/env python
	# -- coding: utf-8 --

	from django.test import TestCase
	from django.core.urlresolvers import reverse
	from django.test.client import RequestFactory


	class RequestTest(TestCase):
	def setUp(self):

RussellLuo / dotted_dict

Last active August 29, 2015 13:58

A simple function for converting dict to dotted-dict.

	#!/usr/bin/env python
	# -- coding: utf-8 --


	class DottedDict(object):
	pass


	def dotted_dict(src_dict):
	assert isinstance(src_dict, dict)

RussellLuo / dot_chained_attrs

Created April 5, 2014 03:51

A simple class for generating dot chained attributes

	#!/usr/bin/env python
	# -- coding: utf-8 --


	class DotChainedAttrs(object):
	def __getattr__(self, name):
	__dict__ = object.__getattribute__(self, '__dict__')
	if name not in __dict__:
	__dict__[name] = DotChainedAttrs()
	return __dict__[name]