def _test_expression(self, context, inventory):
export_path = None
parameter_path = None
parameter_value = None
test = None
value_path = DictPath(self._delimiter, self._expr[0][1])
if self._expr[3][1] == _EQUAL:
test = _EQUAL
elif self._expr[3][1] == _NOT_EQUAL:
test = _NOT_EQUAL
export_path, parameter_path, parameter_value = self._get_vars(self._expr[2][1], export_path, parameter_path, parameter_value)
export_path, parameter_path, parameter_value = self._get_vars(self._expr[4][1], export_path, parameter_path, parameter_value)
if parameter_path is not None:
parameter_path.drop_first()
parameter_value = self._resolve(parameter_path, context)
if export_path is None or parameter_value is None or test is None or value_path is None:
ExpressionError('Failed to render %s' % str(self))
export_path.drop_first()
value_path.drop_first()
results = {}
for node, items in inventory.iteritems():
if export_path.exists_in(items):
export_value = self._resolve(export_path, items)
test_passed = False
if test == _EQUAL and export_value == parameter_value:
test_passed = True
elif test == _NOT_EQUAL and export_value != parameter_value:
test_passed = True
if test_passed:
results[node] = copy.deepcopy(self._resolve(value_path, items))
return results
