From: Bob Halley <halley@dnspython.org>
Date: Mon, 18 May 2020 15:07:47 +0000 (-0700)
Subject: add is_address()
X-Git-Tag: v2.0.0rc1~196^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=037dfe7f71f21e37fade0e3a203e38b675a1aa43;p=thirdparty%2Fdnspython.git

add is_address()
---

diff --git a/dns/inet.py b/dns/inet.py
index 62719dc9..254b5d07 100644
--- a/dns/inet.py
+++ b/dns/inet.py
@@ -120,3 +120,22 @@ def is_multicast(text):
             return first == 255
         except Exception:
             raise ValueError
+
+
+def is_address(text):
+    """Is the specified string an IPv4 or IPv6 address?
+
+    *text*, a ``str``, the textual address.
+
+    Returns a ``bool``.
+    """
+
+    try:
+        dns.ipv4.inet_aton(text)
+        return True
+    except Exception:
+        try:
+            dns.ipv6.inet_aton(text, True)
+            return True
+        except Exception:
+            raise False