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training_main.py
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training_main.py
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import os
from azureml.core import Dataset, Experiment
from azureml.data.data_reference import DataReference
from azureml.pipeline.core import (Pipeline, PipelineData, PipelineParameter,
TrainingOutput)
from azureml.pipeline.steps import AutoMLStep, PythonScriptStep
from azureml.train.automl import AutoMLConfig
from loguru import logger
import config as f
exp = Experiment(
workspace=f.ws,
name=f.params["training_experiment_name"])
workspaceblobstore = f.ws.datastores[f.params['datastore_name']]
raw_data = DataReference(
datastore=workspaceblobstore,
data_reference_name='raw_data',
mode='mount')
dataset_name = PipelineParameter(
name="dataset_name",
default_value=f.params['registered_dataset_name'])
model_name = PipelineParameter(
name="model_name",
default_value=f.params['registered_model_name'])
datasets = Dataset.get_all(f.ws)
if f.params['registered_dataset_name'] not in datasets:
raise FileNotFoundError('Please register a training dataset first by ' +
'running training_pipes/transform/transform.py ' +
'locally.')
train_data = Dataset.get_by_name(
workspace=f.ws,
name=f.params['registered_dataset_name'])
logger.debug("Retrieved version {0} of dataset {1}".format(
train_data.version, train_data.name))
transform_out = PipelineData(
name="transform_out",
datastore=workspaceblobstore,
is_directory=True)
metrics_data = PipelineData(
name='metrics_data',
datastore=workspaceblobstore,
pipeline_output_name='metrics_output',
training_output=TrainingOutput(type='Metrics'))
model_data = PipelineData(
name='best_model_data',
datastore=workspaceblobstore,
pipeline_output_name='model_output',
training_output=TrainingOutput(type='Model'))
score_out = PipelineData(
name='score_out',
datastore=workspaceblobstore,
is_directory=True)
transform_step = PythonScriptStep(
name="transform",
script_name="transform.py",
arguments=[
"--input_path", raw_data,
"--output_path", transform_out,
"--register_dataset", f.params['register_dataset'],
"--dataset_name", dataset_name],
compute_target=f.compute_target,
inputs=[raw_data],
outputs=[transform_out],
runconfig=f.pipestep_run_config,
source_directory=os.path.join(
os.getcwd(), "src", 'training_pipes', 'transform'),
allow_reuse=True)
automl_config = AutoMLConfig(
task="regression",
path='automl',
iterations=2,
primary_metric='normalized_root_mean_squared_error', # price prediction
compute_target=f.compute_target,
featurization="auto",
max_cores_per_iteration=-1,
max_concurrent_iterations=15,
iteration_timeout_minutes=5,
experiment_timeout_hours=0.25, # minimum 15 minutes
model_explainability=True,
debug_log='automl_errors.log',
training_data=train_data,
label_column_name="Weekly_Sales")
train_step = AutoMLStep(
name='automl_regression',
automl_config=automl_config,
inputs=[transform_out],
outputs=[metrics_data, model_data],
enable_default_model_output=False,
enable_default_metrics_output=False,
allow_reuse=True)
register_step = PythonScriptStep(
name="register_model",
script_name="register_model.py",
arguments=[
"--input_path", model_data,
"--model_name", model_name],
compute_target=f.compute_target,
inputs=[model_data],
runconfig=f.pipestep_run_config,
source_directory=os.path.join(
os.getcwd(), "src", 'training_pipes', 'register'),
allow_reuse=True)
score_step = PythonScriptStep(
name="score",
script_name="score.py",
arguments=[
"--data_path", transform_out,
"--model_path", model_data,
"--output_path", score_out],
compute_target=f.compute_target,
inputs=[transform_out, model_data],
outputs=[score_out],
runconfig=f.pipestep_run_config,
source_directory=os.path.join(
os.getcwd(), "src", 'training_pipes', 'score'),
allow_reuse=True)
pipeline_steps = [transform_step, train_step, register_step, score_step]
if not f.params['register_model']:
pipeline_steps.remove(register_step)
pipeline = Pipeline(
workspace=f.ws,
steps=pipeline_steps)
if f.params['run_pipeline']:
pipeline_run = exp.submit(
pipeline,
regenerate_outputs=False,
continue_on_step_failure=False,
tags=f.params)
pipeline_run
if f.params["publish_pipeline"]:
pipeline_endpoint_name = f.params["training_experiment_name"] + "_endpoint"
pipeline_endpoint_description = 'retail automl training pipeline'
published_pipeline = pipeline.publish(
name=pipeline_endpoint_name,
description=pipeline_endpoint_description,
continue_on_step_failure=False)
logger.debug(published_pipeline)
pipeline_endpoint = f.publish_pipeline_endpoint(
workspace=f.ws,
published_pipeline=published_pipeline,
pipeline_endpoint_name=pipeline_endpoint_name,
pipeline_endpoint_description=pipeline_endpoint_description)
logger.debug(pipeline_endpoint)