From: Petr Spacek <pspacek@redhat.com>
Date: Thu, 15 Jan 2015 16:25:10 +0000 (+0100)
Subject: Support string representation for all DNSExceptions.
X-Git-Tag: v1.13.0~35^2~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4bdb7113dba8ed819d8454a1e8f2916ee33d9a6;p=thirdparty%2Fdnspython.git

Support string representation for all DNSExceptions.

Doc string is used in cases where more specific message was not provided
during instantiation/raise.
---

diff --git a/dns/exception.py b/dns/exception.py
index db6ef6e6..575cebe8 100644
--- a/dns/exception.py
+++ b/dns/exception.py
@@ -17,7 +17,12 @@
 
 class DNSException(Exception):
     """Abstract base class shared by all dnspython exceptions."""
-    pass
+    def __init__(self, *args):
+        if args:
+            super(DNSException, self).__init__(*args)
+        else:
+            # doc string is better implicit message than empty string
+            super(DNSException, self).__init__(self.__doc__)
 
 class FormError(DNSException):
     """DNS message is malformed."""