format IP addresses in Slack output

also ditch IPy in favor of ipaddress, which is built-in in Python 3

bin/kindnavsync

@@ -11,12 +11,12 @@ import os
 import socket
 from collections import defaultdict
 import logging
+from ipaddress import ip_address
 from operator import attrgetter, itemgetter
 
 import requests
 import argparse
 
-from IPy import IP
 from slack_log_handler import SlackLogHandler
 
 from kindnavsync.navapi import NAVAPI, ObjectNotFound
@@ -133,12 +133,25 @@ class SlackFormatter(logging.Formatter):
         if isinstance(arg, (KindDevice, NAVBox)):
             return "<{url}|{text}>".format(url=arg.get_absolute_url(),
                                            text=str(arg))
-        elif (isinstance(arg, list) and
-              any(isinstance(i, (KindDevice, NAVBox)) for i in arg)):
-            newarg = [cls._format_arg(i) for i in arg]
-            return '\n'.join(" • {}".format(s) for s in newarg)
-        else:
-            return arg
+        elif isinstance(arg, str) and _is_valid_ip(arg):
+            return "`{}`".format(arg)
+        elif isinstance(arg, list):
+            if any(isinstance(i, (KindDevice, NAVBox)) for i in arg):
+                newarg = [cls._format_arg(i) for i in arg]
+                return '\n'.join(" • {}".format(s) for s in newarg)
+            elif any(_is_valid_ip(i) for i in arg):
+                newarg = [cls._format_arg(i) for i in arg]
+                return ', '.join(newarg)
+
+        return arg
+
+
+def _is_valid_ip(addr):
+    try:
+        ip_address(addr)
+        return True
+    except ValueError:
+        return False
 
 
 def get_kind_data():
@@ -228,7 +241,8 @@ def lookup_dns(names):
         except socket.gaierror:
             pass
         else:
-            result[name] = [a for a in addresslist if IP(a).version() == 4]
+            result[name] = [a for a in addresslist
+                            if ip_address(a).version == 4]
 
     return dict(result)
 

setup.py

@@ -13,7 +13,6 @@ setup(
     scripts=['bin/kindnavsync', 'bin/kindnavsyncdiff'],
     packages=['kindnavsync'],
     install_requires=[
-        'IPy>=0.81',
         'requests',
         'slack_log_handler',
     ],