From 97578df7a5d6d482f35b3fe0cd684490bb069ca6 Mon Sep 17 00:00:00 2001
From: Florian Bruhin <git@the-compiler.org>
Date: Tue, 22 Apr 2014 16:09:41 +0200
Subject: [PATCH] Use QHostInfo instead of socket to resolve

---
 qutebrowser/utils/url.py | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/qutebrowser/utils/url.py b/qutebrowser/utils/url.py
index d887769bb..88482c3fc 100644
--- a/qutebrowser/utils/url.py
+++ b/qutebrowser/utils/url.py
@@ -18,11 +18,11 @@
 """Utils regarding URL handling."""
 
 import re
-import socket
 import logging
 import urllib.parse
 
 from PyQt5.QtCore import QUrl
+from PyQt5.QtNetwork import QHostInfo
 
 import qutebrowser.config.config as config
 
@@ -84,18 +84,12 @@ def _is_url_dns(url):
     Return:
         True if the url really is an URL, False otherwise.
     """
-    # FIXME If we use Qt's methods to resolve URLs, we could benefit from the
-    # build-in cache and wouldn't have to resolve again.
     host = url.host()
     logging.debug("DNS request for {}".format(host))
     if not host:
         return False
-    try:
-        socket.gethostbyname(host)
-    except socket.gaierror:
-        return False
-    else:
-        return True
+    info = QHostInfo.fromName(host)
+    return not info.error()
 
 
 def qurl(url):