web/jump: use templates for "hostname unknown/error" errors

Drop associated separate views and render templates right in jumper()

web/jump/urls.py

@@ -1,8 +1,6 @@
 from django.conf.urls.defaults import *
 
 urlpatterns = patterns('web.jump.views',
-		(r'^error/', 'error'),
-		(r'^unknown/', 'unknown'),
 		(r'^([^$/]+)', 'jumper'),
 
 )

web/jump/views.py

@@ -1,9 +1,7 @@
 import re
 
-from django.shortcuts import redirect
 from django.shortcuts import render_to_response
 from django.core.exceptions import ValidationError
-from django.http import HttpResponse
 
 from web.postkey.models import i2phost
 from web.lib.validation import validate_hostname
@@ -14,11 +12,16 @@ def jumper(request, host):
 	try:
 		hostname = validate_hostname(host)
 	except ValidationError, e:
-		return redirect('/jump/error/')
+		return render_to_response('jump-error.html', {
+			'title': settings.SITE_NAME,
+			'error': e,
+			})
 	try:
 		key = i2phost.objects.get(name=hostname, activated=True).b64hash
 	except i2phost.DoesNotExist:
-		return redirect('/jump/unknown/')
+		return render_to_response('jump-unknown.html', {
+			'title': settings.SITE_NAME,
+			})
 	url = 'http://' + hostname + '/?i2paddresshelper=' + key
 	# get params from requst string, e.g. from 'example.i2p/smth/1?a=b&c=d' get 'smth/1?a=b&c=d'
 	pattern = host + r'/(.+)'
@@ -30,9 +33,3 @@ def jumper(request, host):
 		'title': settings.SITE_NAME,
 		'url': url,
 		})
-
-def error(request):
-	return HttpResponse('You are trying to access an invalid hostname.')
-
-def unknown(request):
-	return HttpResponse('You are trying to access an unknown hostname.')