From: Ralf Jung <post@ralfj.de>
Date: Sun, 11 May 2014 17:17:36 +0000 (+0200)
Subject: query our own IP only once
X-Git-Url: https://git.ralfj.de/dyn-nsupdate.git/commitdiff_plain/a78b59b76b259407282d8e817abdc8297fa8f9f9?ds=inline;hp=97db64724a34ef62837621a81365c26c78162d67

query our own IP only once
---

diff --git a/client.py b/client.py
index d32542b..e556ab7 100755
--- a/client.py
+++ b/client.py
@@ -7,10 +7,12 @@ domains = ['your.domain.ralfj.de'] # list of domains to update
 password = 'yourpassword'
 # END of configuration variables
 
+myip = urllib2.urlopen('https://'+server+'/checkip').read().strip()
+
 def update_domain(domain):
 	'''Update the given domain, using the global server, user, password. Returns True on success, False on failure.'''
+	global myip
 	# check if the domain is already mapped to our current IP
-	myip = urllib2.urlopen('https://'+server+'/checkip').read().strip()
 	domainip = socket.gethostbyname(domain)
 	if myip == domainip:
 		# nothing to do