def parse_triple(self, var_name, op_name, value, rule = None):
'''Parse the rule from elements.
Raise ParsingError on error. The object state is undefined after an
error. rule may be omitted if var_name never specifies
audit.AUDIT_ARCH.
'''
self.var = audit.audit_name_to_field(var_name)
if self.var == -1:
raise ParsingError(_('Unknown field "%s"') % var_name)
try:
self.op = self.__op_name_map[op_name]
except KeyError:
raise ParsingError(_('Unknown operator "%s"') % op_name)
self.value = self.get_field_type(self.var).parse_value(value, self.op,
rule)
def __rule_field_var_changed(self, *_):
it = self.rule_field_var.get_active_iter()
util.set_sensitive_all(it is not None,
self.rule_field_op, self.rule_field_value,
self.rule_field_add)
if it is None:
self.rule_field_var_info.set_text('')
return
name = self.field_var_store.get_value(it, 0)
try:
var = audit.audit_name_to_field(name)
except OSError:
var = None
it = self.rule_field_op.get_active_iter()
if it:
old_op = self.field_op_store.get_value(it, 0)
else:
old_op = None
self.field_op_store.clear()
self.field_value_store.clear()
if var is not None:
field_type = Field.get_field_type(var)
ops = field_type.usual_operators(var)
for op in ops:
self.field_op_store.append((op,))
if set(ops) != set(Field.all_operators):
self.field_op_store.append(('',))
for op in Field.all_operators:
if op not in ops:
self.field_op_store.append((op,))
for hint in field_type.hints():
self.field_value_store.append((hint,))
else:
for op in Field.all_operators:
self.field_op_store.append((op,))
if old_op is not None:
util.set_combo_option(self.rule_field_op, old_op)
self.rule_field_var_info.set_text(field_help.field_help(var))
