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How to use prepare_should_deploy_change method in localstack

Best Python code snippet using localstack_python

template_deployer.py

Source:template_deployer.py

...1358                resource_id = res_change["LogicalResourceId"]1359                try:1360                    if is_add_or_modify:1361                        resource = new_resources[resource_id]1362                        should_deploy = self.prepare_should_deploy_change(1363                            resource_id, change, stack, new_resources1364                        )1365                        LOG.debug(1366                            'Handling "%s" for resource "%s" (%s/%s) type "%s" in loop iteration %s (should_deploy=%s)',1367                            action,1368                            resource_id,1369                            j + 1,1370                            len(changes),1371                            res_change["ResourceType"],1372                            i + 1,1373                            should_deploy,1374                        )1375                        if not should_deploy:1376                            del changes[j]1377                            stack_action = get_action_name_for_resource_change(action)1378                            stack.set_resource_status(resource_id, "%s_COMPLETE" % stack_action)1379                            continue1380                        if not self.all_resource_dependencies_satisfied(resource):1381                            j += 11382                            continue1383                    elif action == "Remove":1384                        should_remove = self.prepare_should_deploy_change(1385                            resource_id, change, stack, new_resources1386                        )1387                        if not should_remove:1388                            del changes[j]1389                            continue1390                    self.apply_change(change, stack=stack)1391                    changes_done.append(change)1392                    del changes[j]1393                    updated = True1394                except DependencyNotYetSatisfied as e:1395                    LOG.debug(1396                        'Dependencies for "%s" not yet satisfied, retrying in next loop: %s',1397                        resource_id,1398                        e,1399                    )1400                    j += 11401            if not changes:1402                break1403            if not updated:1404                raise Exception(1405                    "Resource deployment loop completed, pending resource changes: %s" % changes1406                )1407        # clean up references to deleted resources in stack1408        deletes = [c for c in changes_done if c["ResourceChange"]["Action"] == "Remove"]1409        for delete in deletes:1410            stack.template["Resources"].pop(delete["ResourceChange"]["LogicalResourceId"], None)1411        return changes_done1412    def prepare_should_deploy_change(self, resource_id, change, stack, new_resources):1413        resource = new_resources[resource_id]1414        res_change = change["ResourceChange"]1415        action = res_change["Action"]1416        # check resource condition, if present1417        if not evaluate_resource_condition(stack, resource):1418            LOG.debug(1419                'Skipping deployment of "%s", as resource condition evaluates to false', resource_id1420            )1421            return1422        # resolve refs in resource details1423        resolve_refs_recursively(stack, resource)1424        if action in ["Add", "Modify"]:1425            is_deployed = self.is_deployed(resource)1426            if action == "Modify" and not is_deployed:...

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