1 files changed, 24 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..9b1efe1b
--- /dev/null
+++ b/sleekxmpp/plugins/xep_0060/stanza/base.py
@@ -0,0 +1,24 @@
+from xml.etree import cElementTree as ET
+
+class OptionalSetting(object):
+	interfaces = set(('required',))
+
+	def setRequired(self, value):
+		value = bool(value)
+		if value and not self['required']:
+			self.xml.append(ET.Element("{%s}required" % self.namespace))
+		elif not value and self['required']:
+			self.delRequired()
+	
+	def getRequired(self):
+		required = self.xml.find("{%s}required" % self.namespace)
+		if required is not None:
+			return True
+		else:
+			return False
+	
+	def delRequired(self):
+		required = self.xml.find("{%s}required" % self.namespace)
+		if required is not None:
+			self.xml.remove(required)
+