[retiarii] update debug info, and add license (#3438)

nni/retiarii/__init__.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from .operation import Operation
 from .graph import *
 from .execution import *

nni/retiarii/codegen/pytorch.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import logging
 from typing import List, Tuple, Any
 

nni/retiarii/codegen/tensorflow.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 # pylint: skip-file
 
 """

nni/retiarii/converter/graph_gen.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import re
 
 import torch

nni/retiarii/converter/op_types.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from enum import Enum
 
 MODULE_EXCEPT_LIST = ['Sequential']

nni/retiarii/converter/utils.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 def build_full_name(prefix, name, seq=None):
     if isinstance(name, list):
         name = '__'.join(name)

nni/retiarii/converter/visualize.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import graphviz
 
 

nni/retiarii/evaluator/functional.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from ..graph import Evaluator
 
 

nni/retiarii/evaluator/pytorch/base.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 # This file is deprecated.
 
 import abc

nni/retiarii/evaluator/pytorch/lightning.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import warnings
 from typing import Dict, Union, Optional, List
 

nni/retiarii/execution/api.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import time
 
 from ..graph import Model, ModelStatus

nni/retiarii/execution/base.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import logging
 import os
 import random
@@ -63,13 +66,14 @@ class BaseExecutionEngine(AbstractExecutionEngine):
 
     def _send_trial_callback(self, paramater: dict) -> None:
         if self.resources <= 0:
-            _logger.warning('There is no available resource, but trial is submitted.')
+            # FIXME: should be a warning message here
+            _logger.debug('There is no available resource, but trial is submitted.')
         self.resources -= 1
-        _logger.info('Resource used. Remaining: %d', self.resources)
+        _logger.debug('Resource used. Remaining: %d', self.resources)
 
     def _request_trial_jobs_callback(self, num_trials: int) -> None:
         self.resources += num_trials
-        _logger.info('New resource available. Remaining: %d', self.resources)
+        _logger.debug('New resource available. Remaining: %d', self.resources)
 
     def _trial_end_callback(self, trial_id: int, success: bool) -> None:
         model = self._running_models[trial_id]

nni/retiarii/execution/cgo_engine.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import logging
 from typing import List, Dict, Tuple
 

nni/retiarii/execution/interface.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from abc import ABC, abstractmethod, abstractclassmethod
 from typing import Any, NewType, List, Union
 

nni/retiarii/execution/listener.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from ..graph import Model, ModelStatus
 from .interface import MetricData, AbstractGraphListener
 

nni/retiarii/execution/logical_optimizer/interface.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from abc import ABC
 
 from .logical_plan import LogicalPlan

nni/retiarii/execution/logical_optimizer/logical_plan.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import copy
 from typing import Dict, Tuple, List, Any
 

nni/retiarii/execution/logical_optimizer/opt_dedup_input.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 from typing import List, Dict, Tuple
 
 from nni.retiarii.utils import uid

nni/retiarii/experiment/pytorch.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 import atexit
 import logging
 import time

nni/retiarii/graph.py

+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT license.
+
 """
 Model representation.
 """