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Reset _has_been_called to False ahead of pipeline.connect #385

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merged 4 commits into from
Feb 2, 2022
Merged

Reset _has_been_called to False ahead of pipeline.connect #385

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1856644
Reset _has_been_called to False ahead of pipeline.connect
AlexejPenner Feb 2, 2022
ec11bb9
Added missing linebreak
AlexejPenner Feb 2, 2022
2af0271
Moved function to base pipeline
AlexejPenner Feb 2, 2022
9934850
Created test that makes sure a pipeline instance can be called more t…
AlexejPenner Feb 2, 2022
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12 changes: 10 additions & 2 deletions src/zenml/orchestrators/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,11 +29,19 @@
logger = get_logger(__name__)


def reset_step_flags(zenml_pipeline: "BasePipeline") -> None:
"""Reset the _has_been_called flag ahead of a pipeline run, to make sure
a pipeline instance can be called more than once."""
for step in zenml_pipeline.steps.values():
step._has_been_called = False


def create_tfx_pipeline(
zenml_pipeline: "BasePipeline", stack: "Stack"
zenml_pipeline: "BasePipeline", stack: "Stack"
) -> tfx_pipeline.Pipeline:
"""Creates a tfx pipeline from a ZenML pipeline."""
# Connect the inputs/outputs of all steps in the pipeline
reset_step_flags(zenml_pipeline)
zenml_pipeline.connect(**zenml_pipeline.steps)

tfx_components = [step.component for step in zenml_pipeline.steps.values()]
Expand All @@ -51,7 +59,7 @@ def create_tfx_pipeline(


def execute_step(
tfx_launcher: launcher.Launcher,
tfx_launcher: launcher.Launcher,
) -> Optional[data_types.ExecutionInfo]:
"""Executes a tfx component.

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