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                # Licensed to the StackStorm, Inc ('StackStorm') under one or more | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # contributor license agreements.  See the NOTICE file distributed with  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # this work for additional information regarding copyright ownership.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # The ASF licenses this file to You under the Apache License, Version 2.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # (the "License"); you may not use this file except in compliance with  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # the License.  You may obtain a copy of the License at  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                #  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                #     http://www.apache.org/licenses/LICENSE-2.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                #  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # Unless required by applicable law or agreed to in writing, software  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # distributed under the License is distributed on an "AS IS" BASIS,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # See the License for the specific language governing permissions and  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                # limitations under the License.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                import copy  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                import six  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from st2common import log as logging  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from st2common.util import action_db as action_db_util  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from st2common.util.casts import get_cast  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                LOG = logging.getLogger(__name__)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                def _merge_param_meta_values(action_meta=None, runner_meta=None):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    27
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                    runner_meta_keys = runner_meta.keys() if runner_meta else []  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    28
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                    action_meta_keys = action_meta.keys() if action_meta else []  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    all_keys = set(runner_meta_keys).union(set(action_meta_keys))  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    merged_meta = {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    33
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                    # ?? Runner immutable param's meta shouldn't be allowed to be modified by action whatsoever.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    34
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                    if runner_meta and runner_meta.get('immutable', False): | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        merged_meta = runner_meta  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    for key in all_keys:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if key in action_meta_keys and key not in runner_meta_keys:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            merged_meta[key] = action_meta[key]  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    40
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                        elif key in runner_meta_keys and key not in action_meta_keys:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            merged_meta[key] = runner_meta[key]  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        else:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    43
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                            if key in ['immutable']:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    44
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                                merged_meta[key] = runner_meta.get(key, False) or action_meta.get(key, False)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            else:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                merged_meta[key] = action_meta.get(key)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    return merged_meta  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                def get_params_view(action_db=None, runner_db=None, merged_only=False):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    runner_params = copy.deepcopy(runner_db.runner_parameters) if runner_db else {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    action_params = copy.deepcopy(action_db.parameters) if action_db else {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    54
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                    parameters = set(runner_params.keys()).union(set(action_params.keys()))  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    merged_params = {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    for param in parameters:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        merged_params[param] = _merge_param_meta_values(action_meta=action_params.get(param),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                                                        runner_meta=runner_params.get(param))  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    if merged_only:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    62
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                        return merged_params  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    64
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                    def is_required(param_meta):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return param_meta.get('required', False) | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    def is_immutable(param_meta):  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    68
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                        return param_meta.get('immutable', False) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    70
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                    immutable = {param for param in parameters if is_immutable(merged_params.get(param))} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    required = {param for param in parameters if is_required(merged_params.get(param))} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    72
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                    required = required - immutable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    73
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                    optional = parameters - required - immutable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    required_params = {k: merged_params[k] for k in required} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    optional_params = {k: merged_params[k] for k in optional} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    immutable_params = {k: merged_params[k] for k in immutable} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    79
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                    return (required_params, optional_params, immutable_params)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    82
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                def cast_params(action_ref, params, cast_overrides=None):  | 
            
                            
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                    """  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    84
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                    """  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    85
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                    params = params or {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    86
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                    action_db = action_db_util.get_action_by_ref(action_ref)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    88
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                    if not action_db:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    89
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                        raise ValueError('Action with ref "%s" doesn\'t exist' % (action_ref)) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    90
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                    91
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                    action_parameters_schema = action_db.parameters  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    92
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                    runnertype_db = action_db_util.get_runnertype_by_name(action_db.runner_type['name'])  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    93
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                    runner_parameters_schema = runnertype_db.runner_parameters  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    94
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                    # combine into 1 list of parameter schemas  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    95
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                    parameters_schema = {} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    96
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                    if runner_parameters_schema:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    97
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                        parameters_schema.update(runner_parameters_schema)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    98
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                    if action_parameters_schema:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    99
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                        parameters_schema.update(action_parameters_schema)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    100
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                    # cast each param individually  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    101
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                    for k, v in six.iteritems(params):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    102
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                        parameter_schema = parameters_schema.get(k, None)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    103
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                        if not parameter_schema:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    104
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                            LOG.debug('Will skip cast of param[name: %s, value: %s]. No schema.', k, v) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    105
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                            continue  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    106
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                        parameter_type = parameter_schema.get('type', None) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    107
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                        if not parameter_type:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    108
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                            LOG.debug('Will skip cast of param[name: %s, value: %s]. No type.', k, v) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    109
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                            continue  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    110
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                        # Pick up cast from teh override and then from the system suppied ones.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    111
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                        cast = cast_overrides.get(parameter_type, None) if cast_overrides else None  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    112
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                        if not cast:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    113
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                            cast = get_cast(cast_type=parameter_type)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    114
                 | 
                                    
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                        if not cast:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    115
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                            LOG.debug('Will skip cast of param[name: %s, value: %s]. No cast for %s.', k, v, | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    116
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                                      parameter_type)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    117
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                            continue  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    118
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                        LOG.debug('Casting param: %s of type %s to type: %s', v, type(v), parameter_type) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    119
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                    120
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                        try:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    121
                 | 
                                    
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                            params[k] = cast(v)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    122
                 | 
                                    
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                        except Exception as e:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    123
                 | 
                                    
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                            v_type = type(v).__name__  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    124
                 | 
                                    
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                 | 
                            msg = ('Failed to cast value "%s" (type: %s) for parameter "%s" of type "%s": %s. ' | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    125
                 | 
                                    
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                 | 
                                   'Perhaphs the value is of an invalid type?' %  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    126
                 | 
                                    
                                                     | 
                
                 | 
                                   (v, v_type, k, parameter_type, str(e)))  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    127
                 | 
                                    
                                                     | 
                
                 | 
                            raise ValueError(msg)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    128
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    129
                 | 
                                    
                                                     | 
                
                 | 
                    return params  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    130
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                def validate_action_parameters(action_ref, inputs):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                    input_set = set(inputs.keys())  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                    # Get the list of action and runner parameters.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                    parameters = action_db_util.get_action_parameters_specs(action_ref)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                    # Check required parameters that have no default defined.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                    required = set([param for param, meta in six.iteritems(parameters)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                                    if meta.get('required', False) and 'default' not in meta]) | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                    requires = sorted(required.difference(input_set))  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                    # Check unexpected parameters:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                    unexpected = sorted(input_set.difference(set(parameters.keys())))  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                    return requires, unexpected  | 
            
            
                                                        
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                 |