Source code for kedro.extras.transformers.time_profiler

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"""``Transformers`` modify the loading and saving of ``DataSets`` in a
``DataCatalog``.
"""

import logging
import time
from typing import Any, Callable

from kedro.io import AbstractTransformer


[docs]class ProfileTimeTransformer(AbstractTransformer): """ A transformer that logs the runtime of data set load and save calls """ @property def _logger(self): return logging.getLogger("ProfileTimeTransformer") def load(self, data_set_name: str, load: Callable[[], Any]) -> Any: start = time.time() data = load() self._logger.info( "Loading %s took %0.3f seconds", data_set_name, time.time() - start ) return data def save(self, data_set_name: str, save: Callable[[Any], None], data: Any) -> None: start = time.time() save(data) self._logger.info( "Saving %s took %0.3f seconds", data_set_name, time.time() - start )