__author__ = "@maennelpaennel"

def _eq(l1, l2):
    return set(l1) == set(l2)
    

class URLObject(object):
	host = ''
	resource = ''
	arguments = set()

	@classmethod
	def create(klass, address):
		url_obj = klass()
		url_obj.set_by_string(address)
		return url_obj

	def __init__(self, host='', resource='', arguments=None):
		self.host = host
		self.resource = resource
		self.arguments = arguments or set()

	def __eq__(self, other):
		return self.host==other.host and self.resource==other.resource and self.arguments==other.arguments

	def set_by_string(self, address):
		"""
		address has the following format "<protocol>://<host>/<resource>?<argname>=<argval>&..." 
		"""
		address_splits = address.split('?', 1)
		if len(address_splits) == 1:
			host_resource = address_splits[0]
			arguments_str = ''
		else:
			host_resource = address_splits[0]
			arguments_str = address_splits[1]
		self.arguments = set(arguments_str.split('&'))
		host_res_splits = host_resource.split('://', 1)
		if len(host_res_splits) == 1:
			host_resource = host_res_splits[0]
			prefix = None
		else:
			host_resource = host_res_splits[0]
			prefix = host_res_splits[1]
		host_res_splits = host_resource.split('/', 1)
		if len(host_res_splits) == 1:
			host = None
			resource = host_res_splits[0]
		else:
			host = host_res_splits[0]
			resource = host_res_splits[1]
		if host:
			self.host = host
			if prefix:
				self.host = "%s://%s" % (prefix, host)
		self.resource = resource