From: Bob Halley <halley@dnspython.org>
Date: Thu, 6 Oct 2005 06:26:02 +0000 (+0000)
Subject: use name.parent()
X-Git-Tag: v1.3.5~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=959d0b9eedcbbd6c92ba878496097a96496a870a;p=thirdparty%2Fdnspython.git

use name.parent()
---

diff --git a/dns/resolver.py b/dns/resolver.py
index ca47e31f..2b4d4ee7 100644
--- a/dns/resolver.py
+++ b/dns/resolver.py
@@ -649,10 +649,12 @@ def zone_for_name(name, rdclass=dns.rdataclass.IN, tcp=False, resolver=None):
         resolver = get_default_resolver()
     if not name.is_absolute():
         raise NotAbsolute, name
-    while len(name) > 0:
+    while 1:
         try:
             answer = resolver.query(name, dns.rdatatype.SOA, rdclass, tcp)
             return name
         except (dns.resolver.NXDOMAIN, dns.resolver.NoAnswer):
-            name = dns.name.Name(name[1:])
-    raise NoRootSoa
+            try:
+                name = name.parent()
+            except NoParent:
+                raise NoRootSoa