def block_user_signals(self, name, ignore_error=False):
x = self._find_parameter(name.split("<STR_LIT:/>"), quiet=ignore_error)<EOL>if x==None: return None<EOL>if name in self._connection_lists:<EOL><INDENT>for f in self._connection_lists[name]: x.sigValueChanged.disconnect(f)<EOL><DEDENT>return self<EOL>
Temporarily disconnects the user-defined signals for the specified 
parameter name. 

Note this only affects those connections made with 
connect_signal_changed(), and I do not recommend adding new connections
while they're blocked!