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-rw-r--r--sleekxmpp/plugins/xep_0060/stanza/base.py29
1 files changed, 29 insertions, 0 deletions
diff --git a/sleekxmpp/plugins/xep_0060/stanza/base.py b/sleekxmpp/plugins/xep_0060/stanza/base.py
new file mode 100644
index 00000000..d0b7851e
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0060/stanza/base.py
@@ -0,0 +1,29 @@
+"""
+ SleekXMPP: The Sleek XMPP Library
+ Copyright (C) 2011 Nathanael C. Fritz
+ This file is part of SleekXMPP.
+
+ See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.xmlstream import ET
+
+
+class OptionalSetting(object):
+
+ interfaces = set(('required',))
+
+ def set_required(self, value):
+ if value in (True, 'true', 'True', '1'):
+ self.xml.append(ET.Element("{%s}required" % self.namespace))
+ elif self['required']:
+ self.del_required()
+
+ def get_required(self):
+ required = self.xml.find("{%s}required" % self.namespace)
+ return required is not None
+
+ def del_required(self):
+ required = self.xml.find("{%s}required" % self.namespace)
+ if required is not None:
+ self.xml.remove(required)