How to use the build.lib.twython.TangoError function in build

def getUserTimeline(self, id = None, **kwargs): 
		if id is not None and kwargs.has_key("user_id") is False and kwargs.has_key("screen_name") is False:
			userTimelineURL = self.constructApiURL("http://twitter.com/statuses/user_timeline/" + id + ".json", kwargs)
		elif id is None and kwargs.has_key("user_id") is False and kwargs.has_key("screen_name") is False and self.authenticated is True:
			userTimelineURL = self.constructApiURL("http://twitter.com/statuses/user_timeline/" + self.username + ".json", kwargs)
		else:
			userTimelineURL = self.constructApiURL("http://twitter.com/statuses/user_timeline.json", kwargs)
		try:
			# We do our custom opener if we're authenticated, as it helps avoid cases where it's a protected user
			if self.authenticated is True:
				return simplejson.load(self.opener.open(userTimelineURL))
			else:
				return simplejson.load(urllib2.urlopen(userTimelineURL))
		except HTTPError, e:
			raise TangoError("Failed with a %s error code. Does this user hide/protect their updates? If so, you'll need to authenticate and be their friend to get their timeline."
				% `e.code`, e.code)

if description is not None:
				if len(list(description)) < 160:
					if useAmpersands is True:
						updateProfileQueryString += "&" + urllib.urlencode({"description": description})
					else:
						updateProfileQueryString += urllib.urlencode({"description": description})
				else:
					raise TangoError("Twitter has a character limit of 160 for all descriptions. Try again.")
			
			if updateProfileQueryString != "":
				try:
					return self.opener.open("http://twitter.com/account/update_profile.json?", updateProfileQueryString)
				except HTTPError, e:
					raise TangoError("updateProfile() failed with a %s error code." % `e.code`, e.code)
		else:
			raise TangoError("updateProfile() requires you to be authenticated.")

self.access_token = None
		# Check and set up authentication
		if self.username is not None and self.password is not None:
			if self.authtype == "Basic":
				# Basic authentication ritual
				self.auth_manager = urllib2.HTTPPasswordMgrWithDefaultRealm()
				self.auth_manager.add_password(None, "http://twitter.com", self.username, self.password)
				self.handler = urllib2.HTTPBasicAuthHandler(self.auth_manager)
				self.opener = urllib2.build_opener(self.handler)
				if headers is not None:
					self.opener.addheaders = [('User-agent', headers)]
				try:
					simplejson.load(self.opener.open("http://twitter.com/account/verify_credentials.json"))
					self.authenticated = True
				except HTTPError, e:
					raise TangoError("Authentication failed with your provided credentials. Try again? (%s failure)" % `e.code`, e.code)
			else:
				self.signature_method = oauth.OAuthSignatureMethod_HMAC_SHA1()
				# Awesome OAuth authentication ritual
				if consumer_secret is not None and consumer_key is not None:
					#req = oauth.OAuthRequest.from_consumer_and_token
					#req.sign_request(self.signature_method, self.consumer_key, self.token)
					#self.opener = urllib2.build_opener()
					pass
				else:
					raise TwythonError("Woah there, buddy. We've defaulted to OAuth authentication, but you didn't provide API keys. Try again.")

def createFriendship(self, id = None, user_id = None, screen_name = None, follow = "false"):
		if self.authenticated is True:
			apiURL = ""
			if id is not None:
				apiURL = "http://twitter.com/friendships/create/" + id + ".json" + "?follow=" + follow
			if user_id is not None:
				apiURL = "http://twitter.com/friendships/create.json?user_id=" + user_id + "&follow=" + follow
			if screen_name is not None:
				apiURL = "http://twitter.com/friendships/create.json?screen_name=" + screen_name + "&follow=" + follow
			try:
				return simplejson.load(self.opener.open(apiURL))
			except HTTPError, e:
				# Rate limiting is done differently here for API reasons...
				if e.code == 403:
					raise TangoError("You've hit the update limit for this method. Try again in 24 hours.")
				raise TangoError("createFriendship() failed with a %s error code." % `e.code`, e.code)
		else:
			raise TangoError("createFriendship() requires you to be authenticated.")

def getFriendsTimeline(self, **kwargs):
		if self.authenticated is True:
			try:
				friendsTimelineURL = self.constructApiURL("http://twitter.com/statuses/friends_timeline.json", kwargs)
				return simplejson.load(self.opener.open(friendsTimelineURL))
			except HTTPError, e:
				raise TangoError("getFriendsTimeline() failed with a %s error code." % `e.code`)
		else:
			raise TangoError("getFriendsTimeline() requires you to be authenticated.")

def updateDeliveryDevice(self, device_name = "none"):
		if self.authenticated is True:
			try:
				return self.opener.open("http://twitter.com/account/update_delivery_device.json?", urllib.urlencode({"device": device_name}))
			except HTTPError, e:
				raise TangoError("updateDeliveryDevice() failed with a %s error code." % `e.code`, e.code)
		else:
			raise TangoError("updateDeliveryDevice() requires you to be authenticated.")

if useAmpersands is True:
						updateProfileQueryString += "&" + urllib.urlencode({"url": url})
					else:
						updateProfileQueryString += urllib.urlencode({"url": url})
						useAmpersands = True
				else:
					raise TangoError("Twitter has a character limit of 100 for all urls. Try again.")
			if location is not None:
				if len(list(location)) < 30:
					if useAmpersands is True:
						updateProfileQueryString += "&" + urllib.urlencode({"location": location})
					else:
						updateProfileQueryString += urllib.urlencode({"location": location})
						useAmpersands = True
				else:
					raise TangoError("Twitter has a character limit of 30 for all locations. Try again.")
			if description is not None:
				if len(list(description)) < 160:
					if useAmpersands is True:
						updateProfileQueryString += "&" + urllib.urlencode({"description": description})
					else:
						updateProfileQueryString += urllib.urlencode({"description": description})
				else:
					raise TangoError("Twitter has a character limit of 160 for all descriptions. Try again.")
			
			if updateProfileQueryString != "":
				try:
					return self.opener.open("http://twitter.com/account/update_profile.json?", updateProfileQueryString)
				except HTTPError, e:
					raise TangoError("updateProfile() failed with a %s error code." % `e.code`, e.code)
		else:
			raise TangoError("updateProfile() requires you to be authenticated.")

def searchTwitter(self, search_query, **kwargs):
		searchURL = self.constructApiURL("http://search.twitter.com/search.json", kwargs) + "&" + urllib.urlencode({"q": search_query})
		try:
			return simplejson.load(urllib2.urlopen(searchURL))
		except HTTPError, e:
			raise TangoError("getSearchTimeline() failed with a %s error code." % `e.code`, e.code)

def getSentMessages(self, since_id = None, max_id = None, count = None, page = "1"):
		if self.authenticated is True:
			apiURL = "http://twitter.com/direct_messages/sent.json?page=" + page
			if since_id is not None:
				apiURL += "&since_id=" + since_id
			if max_id is not None:
				apiURL += "&max_id=" + max_id
			if count is not None:
				apiURL += "&count=" + count
			
			try:
				return simplejson.load(self.opener.open(apiURL))
			except HTTPError, e:
				raise TangoError("getSentMessages() failed with a %s error code." % `e.code`, e.code)
		else:
			raise TangoError("getSentMessages() requires you to be authenticated.")

def showStatus(self, id):
		try:
			if self.authenticated is True:
				return simplejson.load(self.opener.open("http://twitter.com/statuses/show/%s.json" % id))
			else:
				return simplejson.load(urllib2.urlopen("http://twitter.com/statuses/show/%s.json" % id))
		except HTTPError, e:
			raise TangoError("Failed with a %s error code. Does this user hide/protect their updates? You'll need to authenticate and be friends to get their timeline." 
				% `e.code`, e.code)