139 lines
4.4 KiB
Python
139 lines
4.4 KiB
Python
import os
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from argparse import Namespace
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import pytest
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import torch
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import yaml
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from packaging import version
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from tensorboard.backend.event_processing.event_accumulator import EventAccumulator
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from pytorch_lightning import Trainer
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from pytorch_lightning.loggers import TensorBoardLogger
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from tests.base import EvalModelTemplate
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@pytest.mark.skipif(version.parse(torch.__version__) < version.parse('1.5.0'),
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reason='Minimal PT version is set to 1.5')
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def test_tensorboard_hparams_reload(tmpdir):
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model = EvalModelTemplate()
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trainer = Trainer(max_epochs=1, default_root_dir=tmpdir)
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trainer.fit(model)
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folder_path = trainer.logger.log_dir
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# make sure yaml is there
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with open(os.path.join(folder_path, 'hparams.yaml')) as file:
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# The FullLoader parameter handles the conversion from YAML
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# scalar values to Python the dictionary format
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yaml_params = yaml.safe_load(file)
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assert yaml_params['b1'] == 0.5
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assert len(yaml_params.keys()) == 10
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# verify artifacts
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assert len(os.listdir(os.path.join(folder_path, 'checkpoints'))) == 1
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#
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# # verify tb logs
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# event_acc = EventAccumulator(folder_path)
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# event_acc.Reload()
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#
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# hparams_data = b'\x12\x84\x01"\x0b\n\tdrop_prob"\x0c\n\nbatch_size"\r\n\x0bin_features"' \
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# b'\x0f\n\rlearning_rate"\x10\n\x0eoptimizer_name"\x0b\n\tdata_root"\x0e\n' \
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# b'\x0cout_features"\x0c\n\nhidden_dim"\x04\n\x02b1"\x04\n\x02b2'
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#
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# assert event_acc.summary_metadata['_hparams_/experiment'].plugin_data.plugin_name == 'hparams'
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# assert event_acc.summary_metadata['_hparams_/experiment'].plugin_data.content == hparams_data
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def test_tensorboard_automatic_versioning(tmpdir):
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"""Verify that automatic versioning works"""
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root_dir = tmpdir / "tb_versioning"
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root_dir.mkdir()
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(root_dir / "version_0").mkdir()
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(root_dir / "version_1").mkdir()
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logger = TensorBoardLogger(save_dir=tmpdir, name="tb_versioning")
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assert logger.version == 2
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def test_tensorboard_manual_versioning(tmpdir):
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"""Verify that manual versioning works"""
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root_dir = tmpdir / "tb_versioning"
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root_dir.mkdir()
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(root_dir / "version_0").mkdir()
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(root_dir / "version_1").mkdir()
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(root_dir / "version_2").mkdir()
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logger = TensorBoardLogger(save_dir=tmpdir, name="tb_versioning", version=1)
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assert logger.version == 1
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def test_tensorboard_named_version(tmpdir):
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"""Verify that manual versioning works for string versions, e.g. '2020-02-05-162402' """
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name = "tb_versioning"
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(tmpdir / name).mkdir()
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expected_version = "2020-02-05-162402"
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logger = TensorBoardLogger(save_dir=tmpdir, name=name, version=expected_version)
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logger.log_hyperparams({"a": 1, "b": 2}) # Force data to be written
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assert logger.version == expected_version
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assert os.listdir(tmpdir / name) == [expected_version]
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assert os.listdir(tmpdir / name / expected_version)
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@pytest.mark.parametrize("name", ['', None])
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def test_tensorboard_no_name(tmpdir, name):
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"""Verify that None or empty name works"""
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logger = TensorBoardLogger(save_dir=tmpdir, name=name)
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logger.log_hyperparams({"a": 1, "b": 2}) # Force data to be written
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assert logger.root_dir == tmpdir
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assert os.listdir(tmpdir / 'version_0')
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@pytest.mark.parametrize("step_idx", [10, None])
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def test_tensorboard_log_metrics(tmpdir, step_idx):
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logger = TensorBoardLogger(tmpdir)
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metrics = {
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"float": 0.3,
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"int": 1,
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"FloatTensor": torch.tensor(0.1),
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"IntTensor": torch.tensor(1)
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}
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logger.log_metrics(metrics, step_idx)
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def test_tensorboard_log_hyperparams(tmpdir):
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logger = TensorBoardLogger(tmpdir)
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hparams = {
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"float": 0.3,
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"int": 1,
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"string": "abc",
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"bool": True,
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"dict": {'a': {'b': 'c'}},
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"list": [1, 2, 3],
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"namespace": Namespace(foo=Namespace(bar='buzz')),
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"layer": torch.nn.BatchNorm1d
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}
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logger.log_hyperparams(hparams)
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def test_tensorboard_log_hparams_and_metrics(tmpdir):
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logger = TensorBoardLogger(tmpdir)
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hparams = {
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"float": 0.3,
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"int": 1,
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"string": "abc",
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"bool": True,
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"dict": {'a': {'b': 'c'}},
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"list": [1, 2, 3],
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"namespace": Namespace(foo=Namespace(bar='buzz')),
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"layer": torch.nn.BatchNorm1d
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}
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metrics = {'abc': torch.tensor([0.54])}
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logger.log_hyperparams(hparams, metrics)
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