Python decorator with argument to check HTTP request method.

gistfile1.py

class CheckHttpMethod(object):
	"""
	Decorator check whether HTTP request is as per your need,
	if not it redirects to '/'.
	This is a decorator with *mandatory* argument, a HTTP method
	you want to check.
	>>>@CheckHttpMethod('POST')
	...def handler(*args, *kwargs):
	...    pass
	"""
	def __init__(self, method=None):
		assert method, None
		self.method = method

	def __call__(self, fn):
		def __check_method(method, *args, **kwargs):
			if method != self.method:
				return web.seeother('/')
			return fn(method, *args, **kwargs)
		return __check_method