[Feature] Add ClearMLLoggerHook (#1906)

* added clearml logger support

* review fixes

* review fixes

mmcv/runner/__init__.py

@@ -10,9 +10,10 @@ from .dist_utils import (allreduce_grads, allreduce_params, get_dist_info,
                          init_dist, master_only)
 from .epoch_based_runner import EpochBasedRunner, Runner
 from .fp16_utils import LossScaler, auto_fp16, force_fp32, wrap_fp16_model
-from .hooks import (HOOKS, CheckpointHook, ClosureHook, DistEvalHook,
-                    DistSamplerSeedHook, DvcliveLoggerHook, EMAHook, EvalHook,
-                    Fp16OptimizerHook, GradientCumulativeFp16OptimizerHook,
+from .hooks import (HOOKS, CheckpointHook, ClearMLLoggerHook, ClosureHook,
+                    DistEvalHook, DistSamplerSeedHook, DvcliveLoggerHook,
+                    EMAHook, EvalHook, Fp16OptimizerHook,
+                    GradientCumulativeFp16OptimizerHook,
                     GradientCumulativeOptimizerHook, Hook, IterTimerHook,
                     LoggerHook, MlflowLoggerHook, NeptuneLoggerHook,
                     OptimizerHook, PaviLoggerHook, SegmindLoggerHook,
@@ -68,5 +69,5 @@ __all__ = [
     'ModuleDict', 'ModuleList', 'GradientCumulativeOptimizerHook',
     'GradientCumulativeFp16OptimizerHook', 'DefaultRunnerConstructor',
     'SegmindLoggerHook', 'LinearAnnealingMomentumUpdaterHook',
-    'LinearAnnealingLrUpdaterHook'
+    'LinearAnnealingLrUpdaterHook', 'ClearMLLoggerHook'
 ]

mmcv/runner/hooks/__init__.py

@@ -5,9 +5,10 @@ from .ema import EMAHook
 from .evaluation import DistEvalHook, EvalHook
 from .hook import HOOKS, Hook
 from .iter_timer import IterTimerHook
-from .logger import (DvcliveLoggerHook, LoggerHook, MlflowLoggerHook,
-                     NeptuneLoggerHook, PaviLoggerHook, SegmindLoggerHook,
-                     TensorboardLoggerHook, TextLoggerHook, WandbLoggerHook)
+from .logger import (ClearMLLoggerHook, DvcliveLoggerHook, LoggerHook,
+                     MlflowLoggerHook, NeptuneLoggerHook, PaviLoggerHook,
+                     SegmindLoggerHook, TensorboardLoggerHook, TextLoggerHook,
+                     WandbLoggerHook)
 from .lr_updater import (CosineAnnealingLrUpdaterHook,
                          CosineRestartLrUpdaterHook, CyclicLrUpdaterHook,
                          ExpLrUpdaterHook, FixedLrUpdaterHook,
@@ -43,5 +44,5 @@ __all__ = [
     'SyncBuffersHook', 'EMAHook', 'EvalHook', 'DistEvalHook', 'ProfilerHook',
     'GradientCumulativeOptimizerHook', 'GradientCumulativeFp16OptimizerHook',
     'SegmindLoggerHook', 'LinearAnnealingLrUpdaterHook',
-    'LinearAnnealingMomentumUpdaterHook'
+    'LinearAnnealingMomentumUpdaterHook', 'ClearMLLoggerHook'
 ]

mmcv/runner/hooks/logger/__init__.py

@@ -1,5 +1,6 @@
 # Copyright (c) OpenMMLab. All rights reserved.
 from .base import LoggerHook
+from .clearml import ClearMLLoggerHook
 from .dvclive import DvcliveLoggerHook
 from .mlflow import MlflowLoggerHook
 from .neptune import NeptuneLoggerHook
@@ -12,5 +13,6 @@ from .wandb import WandbLoggerHook
 __all__ = [
     'LoggerHook', 'MlflowLoggerHook', 'PaviLoggerHook',
     'TensorboardLoggerHook', 'TextLoggerHook', 'WandbLoggerHook',
-    'NeptuneLoggerHook', 'DvcliveLoggerHook', 'SegmindLoggerHook'
+    'NeptuneLoggerHook', 'DvcliveLoggerHook', 'SegmindLoggerHook',
+    'ClearMLLoggerHook'
 ]

mmcv/runner/hooks/logger/clearml.py

@@ -0,0 +1,62 @@
+# Copyright (c) OpenMMLab. All rights reserved.
+
+from ...dist_utils import master_only
+from ..hook import HOOKS
+from .base import LoggerHook
+
+
+@HOOKS.register_module()
+class ClearMLLoggerHook(LoggerHook):
+    """Class to log metrics with clearml.
+
+    It requires `clearml`_ to be installed.
+
+
+    Args:
+        init_kwargs (dict): A dict contains the `clearml.Task.init`
+            initialization keys. See `taskinit`_  for more details.
+        interval (int): Logging interval (every k iterations). Default 10.
+        ignore_last (bool): Ignore the log of last iterations in each epoch
+            if less than `interval`. Default: True.
+        reset_flag (bool): Whether to clear the output buffer after logging.
+            Default: False.
+        by_epoch (bool): Whether EpochBasedRunner is used. Default: True.
+
+    .. _clearml:
+        https://clear.ml/docs/latest/docs/
+    .. _taskinit:
+        https://clear.ml/docs/latest/docs/references/sdk/task/#taskinit
+    """
+
+    def __init__(self,
+                 init_kwargs=None,
+                 interval=10,
+                 ignore_last=True,
+                 reset_flag=False,
+                 by_epoch=True):
+        super(ClearMLLoggerHook, self).__init__(interval, ignore_last,
+                                                reset_flag, by_epoch)
+        self.import_clearml()
+        self.init_kwargs = init_kwargs
+
+    def import_clearml(self):
+        try:
+            import clearml
+        except ImportError:
+            raise ImportError(
+                'Please run "pip install clearml" to install clearml')
+        self.clearml = clearml
+
+    @master_only
+    def before_run(self, runner):
+        super(ClearMLLoggerHook, self).before_run(runner)
+        task_kwargs = self.init_kwargs if self.init_kwargs else {}
+        self.task = self.clearml.Task.init(**task_kwargs)
+        self.task_logger = self.task.get_logger()
+
+    @master_only
+    def log(self, runner):
+        tags = self.get_loggable_tags(runner)
+        for tag, val in tags.items():
+            self.task_logger.report_scalar(tag, tag, val,
+                                           self.get_iter(runner))

tests/test_runner/test_hooks.py

@@ -23,8 +23,8 @@ from torch.utils.data import DataLoader
 
 from mmcv.fileio.file_client import PetrelBackend
 # yapf: disable
-from mmcv.runner import (CheckpointHook, DvcliveLoggerHook, EMAHook,
-                         Fp16OptimizerHook,
+from mmcv.runner import (CheckpointHook, ClearMLLoggerHook, DvcliveLoggerHook,
+                         EMAHook, Fp16OptimizerHook,
                          GradientCumulativeFp16OptimizerHook,
                          GradientCumulativeOptimizerHook, IterTimerHook,
                          MlflowLoggerHook, NeptuneLoggerHook, OptimizerHook,
@@ -1572,6 +1572,31 @@ def test_dvclive_hook_model_file(tmp_path):
     shutil.rmtree(runner.work_dir)
 
 
+def test_clearml_hook():
+    sys.modules['clearml'] = MagicMock()
+    runner = _build_demo_runner()
+    hook = ClearMLLoggerHook(init_kwargs={
+        'project_name': 'proj',
+        'task_name': 'task',
+    })
+
+    loader = DataLoader(torch.ones((5, 2)))
+
+    runner.register_hook(hook)
+    runner.run([loader, loader], [('train', 1), ('val', 1)])
+    shutil.rmtree(runner.work_dir)
+
+    hook.clearml.Task.init.assert_called_with(
+        project_name='proj', task_name='task')
+    hook.task.get_logger.assert_called_with()
+    report_scalar_calls = [
+        call('momentum', 'momentum', 0.95, 6),
+        call('learning_rate', 'learning_rate', 0.02, 6),
+    ]
+    hook.task_logger.report_scalar.assert_has_calls(
+        report_scalar_calls, any_order=True)
+
+
 def _build_demo_runner_without_hook(runner_type='EpochBasedRunner',
                                     max_epochs=1,
                                     max_iters=None,