Handle non-ASCII characters gracefully in old cgi-bin script redirects

- Legacy-Id: 1988

ietf/redirects/testurl.list

@@ -6,6 +6,9 @@
 404	/_doesnotexist/
 #skip	/_test500/
 
+# non-ASCII parameter
+301	/public/pidtracker.cgi?command=view_id&dTag=11171%D182&rfc_flag=0
+
 #301	/list/request....	# test middleware that strips periods and redirects instead of 404
 #skip	/images/ietf-icon.bmp
 #skip	/css/base.css

ietf/redirects/views.py

@@ -54,7 +54,11 @@ def redirect(request, path="", script=""):
 	else:
 	    remove = ""
     try:
-	url += rest % request.REQUEST
+        # This throws exception (which gets caught below) if request 
+        # contains non-ASCII characters. The old scripts didn't support 
+        # non-ASCII characters anyway, so there's no need to handle 
+        # them fully correctly in these redirects.
+	url += str(rest % request.REQUEST)
 	url += "/"
     except:
 	# rest had something in it that request didn't have, so just