def create_pl_comp():
''''creates pipeline components using python functions. return list of components'''
# Define your components code as standalone python functions:======================
def add(a: float, b: float) -> float:
'''Calculates sum of two arguments'''
return a + b
def multiply(c: float, d: float) -> float:
'''Calculates the product'''
return c * d
# convert the python functions to a task factory (function that return a task object)
add_op = comp.create_component_from_func(
add,
output_component_file='add_component.yaml',
)
# factory function used to create kfp.dsl.ContainerOp class instances for your pipeline
add_op.component_spec.save('add_component.yaml')
#add_op.component.OutputTextFile('Output.txt')
# product_op is a task factory that creates a task object when given argument
product_op = comp.create_component_from_func(
multiply, output_component_file='multiple_component.yaml')
component_lst = [add_op, product_op]
return component_lst
def test_handling_list_arguments_containing_serializable_python_objects(
self):
'''Checks that lists containing python objects with .to_struct() can be properly serialized.'''
class MyClass:
def to_struct(self):
return {'foo': [7, 42]}
def assert_values_are_correct(
list_param: list,
dict_param: dict,
) -> int:
import unittest
unittest.TestCase().assertEqual(list_param,
[1, {
'foo': [7, 42]
}, 3])
unittest.TestCase().assertEqual(dict_param,
{'k1': {
'foo': [7, 42]
}})
return 1
task_factory = comp.create_component_from_func(
assert_values_are_correct)
self.helper_test_component_using_local_call(
task_factory,
arguments=dict(
list_param=[1, MyClass(), 3],
dict_param={'k1': MyClass()},
),
expected_output_values={'Output': '1'},
)
def test_python_component_decorator(self):
# Deprecated
from kfp.dsl import python_component
from kfp.components import create_component_from_func
expected_name = 'Sum component name'
expected_description = 'Sum component description'
expected_image = 'org/image'
@python_component(name=expected_name,
description=expected_description,
base_image=expected_image)
def add_two_numbers_decorated(
a: float,
b: float,
) -> float:
'''Returns sum of two arguments'''
return a + b
op = create_component_from_func(add_two_numbers_decorated)
component_spec = op.component_spec
self.assertEqual(component_spec.name, expected_name)
self.assertEqual(component_spec.description.strip(),
expected_description.strip())
self.assertEqual(component_spec.implementation.container.image,
expected_image)
def test_annotations_stripping(self):
import typing
import collections
MyFuncOutputs = typing.NamedTuple('Outputs', [('sum', int),
('product', int)])
class CustomType1:
pass
def my_func(
param1: CustomType1 = None, # This caused failure previously
param2: collections.
OrderedDict = None, # This caused failure previously
) -> MyFuncOutputs: # This caused failure previously
assert param1 == None
assert param2 == None
return (8, 15)
task_factory = comp.create_component_from_func(my_func)
self.helper_test_component_using_local_call(task_factory,
arguments={},
expected_output_values={
'sum': '8',
'product': '15'
})
def test_fail_on_handling_list_arguments_containing_python_objects(self):
'''Checks that lists containing python objects not having .to_struct() raise error during serialization.'''
class MyClass:
pass
def consume_list(list_param: list, ) -> int:
return 1
def consume_dict(dict_param: dict, ) -> int:
return 1
list_op = comp.create_component_from_func(consume_list)
dict_op = comp.create_component_from_func(consume_dict)
with self.assertRaises(Exception):
list_op([1, MyClass(), 3])
with self.assertRaises(Exception):
dict_op({'k1': MyClass()})
def artifact_passing_pipeline():
producer_task = producer_op()
processor_task = processor_op(producer_task.outputs['output_1'],
producer_task.outputs['output_2'])
consumer_task = consumer_op(processor_task.outputs['output_1'],
processor_task.outputs['output_2'])
markdown_task = create_component_from_func(func=metadata_and_metrics)()
# This line is only needed for compiling using dsl-compile to work
kfp.dsl.get_pipeline_conf(
).data_passing_method = volume_based_data_passing_method
def test_handling_list_arguments_containing_pipelineparam(self):
'''Checks that lists containing PipelineParam can be properly serialized'''
def consume_list(list_param: list) -> int:
pass
import kfp
task_factory = create_component_from_func(consume_list)
task = task_factory([1, 2, 3, kfp.dsl.PipelineParam('aaa'), 4, 5, 6])
full_command_line = task.command + task.arguments
for arg in full_command_line:
self.assertNotIn('PipelineParam', arg)
def test_compile_pipeline_with_importer_on_inputpath_should_raise_error(
self):
# YAML componet authoring
component_op = components.load_component_from_text("""
name: compoent with misused placeholder
inputs:
- {name: model, type: Model}
implementation:
container:
image: dummy
args:
- {inputPath: model}
""")
@dsl.pipeline(name='my-component')
def my_pipeline(model):
component_op(model=model)
with self.assertRaisesRegex(
TypeError,
'Input "model" with type "Model" is not connected to any upstream '
'output. However it is used with InputPathPlaceholder.'):
compiler.Compiler().compile(pipeline_func=my_pipeline,
pipeline_root='dummy',
output_path='output.json')
# Python function based component authoring
def my_component(datasets: components.InputPath('Datasets')):
pass
component_op = components.create_component_from_func(my_component)
@dsl.pipeline(name='my-component')
def my_pipeline(datasets):
component_op(datasets=datasets)
with self.assertRaisesRegex(
TypeError,
'Input "datasets" with type "Datasets" is not connected to any upstream '
'output. However it is used with InputPathPlaceholder.'):
compiler.Compiler().compile(pipeline_func=my_pipeline,
pipeline_root='dummy',
output_path='output.json')
def main(args):
OUT_COMPONENTS_DIR = args.output_component_dir
OUT_PIPELINE_DIR = args.output_pipeline_dir
# Write the component file of Python function
hello_component = cpt.create_component_from_func(
func=hello_kubeflow,
output_component_file=f'{OUT_COMPONENTS_DIR}/hello_kubeflow.component')
# Read the component file
hello_component = cpt.load_component_from_file(
filename=f'{OUT_COMPONENTS_DIR}/hello_kubeflow.component')
# Write a pipeline function using the Kubeflow Pipelines DSL
@dsl.pipeline(name='Hello Kubeflow Pipeline',
description='A Hello Kubeflow pipeline')
def hello_kubeflow_pipeline(name='Ivan'):
task = hello_component(name)
# Compile the pipeline to generate a compressed YAML definition of the pipeline
cmp.Compiler().compile(
pipeline_func=hello_kubeflow_pipeline,
package_path=f'{OUT_PIPELINE_DIR}/hello_kubeflow_pipeline.zip')
def compile():
create_component_from_func(
upload_model,
output_component_file='./kf_hs/steps/upload_model/component.yaml',
base_image='kineticcookie/demo-kf',
)
create_component_from_func(
update_application,
output_component_file='./kf_hs/steps/update_application/component.yaml',
base_image='kineticcookie/demo-kf',
)
create_component_from_func(
train,
output_component_file='./kf_hs/steps/train_model/component.yaml',
base_image='kineticcookie/demo-kf',
)
compiler.Compiler().compile(pipeline, "./output/pipeline.tar.gz")
print("Done! Compiled to ./output/pipeline.tar.gz")
def main(args):
OUT_COMPONENTS_DIR = args.output_component_dir
OUT_PIPELINE_DIR = args.output_pipeline_dir
# Because we have a non standard library, create a container
tokenizer_component = cpt.func_to_container_op(
tokenizer,
packages_to_install=['nltk==3.5'],
output_component_file=f'{OUT_COMPONENTS_DIR}/tokenizer.component')
count_tokens_component = cpt.create_component_from_func(
count_tokens,
output_component_file=f'{OUT_COMPONENTS_DIR}/count_tokens.component')
@dsl.pipeline(name='Count Kubeflow Pipeline',
description='Count Number of tokens in a sentence')
def count_kubeflow_pipeline(sentence='Ciao Kubeflow, come stai oggi?'):
tokenizer_task = tokenizer_component(sentence=sentence)
count_tokens_task = count_tokens_component(
tokens=tokenizer_task.output)
complier = cmp.Compiler()
complier.compile(
pipeline_func=count_kubeflow_pipeline,
package_path=f'{OUT_PIPELINE_DIR}/count_kubeflow_pipeline.zip')
if label_column is not None:
df = df.drop(columns=[df.columns[label_column]])
testing_data = xgboost.DMatrix(data=df, )
model = xgboost.Booster(model_file=model_path)
predictions = model.predict(testing_data)
Path(predictions_path).parent.mkdir(parents=True, exist_ok=True)
numpy.savetxt(predictions_path, predictions)
if __name__ == '__main__':
create_component_from_func(
xgboost_predict,
output_component_file='component.yaml',
base_image='python:3.7',
packages_to_install=[
'xgboost==1.1.1',
'pandas==1.0.5',
],
annotations={
"author":
"Alexey Volkov <*****@*****.**>",
"canonical_location":
"https://raw.githubusercontent.com/Ark-kun/pipeline_components/master/components/XGBoost/Predict/component.yaml",
},
)
from kfp.v2 import compiler
def flip_coin() -> str:
"""Flip a coin and output heads or tails randomly."""
import random
result = 'heads' if random.randint(0, 1) == 0 else 'tails'
return result
def print_msg(msg: str):
"""Print a message."""
print(msg)
flip_coin_op = components.create_component_from_func(flip_coin)
print_op = components.create_component_from_func(print_msg)
@dsl.pipeline(name='nested-conditions-pipeline')
def my_pipeline():
flip1 = flip_coin_op()
print_op(flip1.output)
flip2 = flip_coin_op()
print_op(flip2.output)
with dsl.Condition(flip1.output != 'no-such-result'): # always true
flip3 = flip_coin_op()
print_op(flip3.output)
df = df.drop([0], axis = 0)
weather_df = dfreplace(df, ',', '')
for i in weather_df.columns:
weather_df[i] = weather_df[i].astype(str)
weather_df[i][weather_df[i].apply(lambda i: True if re.search('^\s*$', str(i)) else False)]=np.NaN
print(weather_df.columns)
print(weather_df)
print('trying to write to GS')
weather_df.to_parquet(raw_data_path, compression='GZIP')
print('Done!')
return raw_data_path
# %%
# create a KFP component
download_raw_data_op = comp.create_component_from_func(
download_raw_data, output_component_file='download_raw_data.yaml', packages_to_install=['fastparquet', 'fsspec', 'gcsfs', "google-cloud-storage"])
# %%
"""
#### Component - Feature processing
"""
# %%
def feature_processing(raw_data_path: str, new_feature_data_path: str) -> str:
'''calculate features for our machine learning model'''
import pandas as pd
from datetime import datetime
# read dataframe
weather_df = pd.read_parquet(raw_data_path)
predictions_path: Output path for the predictions.
label_column: Column containing the label data.
Annotations:
author: Alexey Volkov <*****@*****.**>
'''
from pathlib import Path
import numpy
import xgboost
csv_data_spec = data_path + '?format=csv'
# Only specifying the column if it's passed.
if label_column is not None:
csv_data_spec += '&label_column=' + str(label_column)
testing_data = xgboost.DMatrix(csv_data_spec)
model = xgboost.Booster(model_file=model_path)
predictions = model.predict(testing_data)
Path(predictions_path).parent.mkdir(parents=True, exist_ok=True)
numpy.savetxt(predictions_path, predictions)
if __name__ == '__main__':
create_component_from_func(xgboost_predict,
output_component_file='component.yaml',
base_image='python:3.7',
packages_to_install=['xgboost==1.0.2'])
data_path: InputPath('ApacheArrowFeather'),
output_data_path: OutputPath('ApacheParquet'),
):
'''Converts Apache Arrow Feather to Apache Parquet.
[Apache Arrow Feather](https://arrow.apache.org/docs/python/feather.html)
[Apache Parquet](https://parquet.apache.org/)
Annotations:
author: Alexey Volkov <*****@*****.**>
'''
from pyarrow import feather, parquet
table = feather.read_table(data_path)
parquet.write_table(table, output_data_path)
if __name__ == '__main__':
create_component_from_func(
convert_apache_arrow_feather_to_apache_parquet,
output_component_file='component.yaml',
base_image='python:3.7',
packages_to_install=['pyarrow==0.17.1'],
annotations={
"author":
"Alexey Volkov <*****@*****.**>",
"canonical_location":
"https://raw.githubusercontent.com/Ark-kun/pipeline_components/master/components/_converters/ApacheParquet/from_ApacheArrowFeather/component.yaml",
},
)
'metrics': metric_specs,
}
study = {'study_config': study_config}
create_study_request = ml_api.projects().locations().studies().create(
parent=f'projects/{gcp_project_id}/locations/{gcp_region}',
studyId=study_id,
body=study,
)
create_study_response = create_study_request.execute()
study_name = create_study_response['name']
return (study_name, )
if __name__ == '__main__':
create_study_in_gcp_ai_platform_optimizer_op = create_component_from_func(
create_study_in_gcp_ai_platform_optimizer,
base_image='python:3.8',
packages_to_install=[
'google-api-python-client==1.12.3', 'google-cloud-storage==1.31.2',
'google-auth==1.21.3'
],
output_component_file='component.yaml',
annotations={
"author":
"Alexey Volkov <*****@*****.**>",
"canonical_location":
"https://raw.githubusercontent.com/Ark-kun/pipeline_components/master/components/google-cloud/Optimizer/Create_study/component.yaml",
},
)
table_specs = [s for s in list_table_specs_response]
print('table_specs=')
print(table_specs)
table_spec_name = table_specs[table_index].name
list_column_specs_response = client.list_column_specs(table_spec_name)
column_specs = [s for s in list_column_specs_response]
print('column_specs=')
print(column_specs)
target_column_spec = [s for s in column_specs if s.display_name == target_column_name][0]
feature_column_specs = [s for s in column_specs if s.display_name != target_column_name]
feature_column_names = [s.name for s in feature_column_specs]
import json
return (target_column_spec.name, json.dumps(feature_column_names))
if __name__ == '__main__':
from kfp.components import create_component_from_func
automl_split_dataset_table_column_names_op = create_component_from_func(
automl_split_dataset_table_column_names,
output_component_file='component.yaml',
base_image='python:3.7',
annotations={
"author": "Alexey Volkov <*****@*****.**>",
"canonical_location": "https://raw.githubusercontent.com/Ark-kun/pipeline_components/master/components/gcp/automl/split_dataset_table_column_names/component.yaml",
},
)
folds = list(splitter.split(df))
fold_paths = [
(train_1_path, test_1_path),
(train_2_path, test_2_path),
(train_3_path, test_3_path),
(train_4_path, test_4_path),
(train_5_path, test_5_path),
]
for i in range(max_number_of_folds):
(train_path, test_path) = fold_paths[i]
if i < len(folds):
(train_indices, test_indices) = folds[i]
train_fold = df.iloc[train_indices]
test_fold = df.iloc[test_indices]
else:
train_fold = df.iloc[0:0]
test_fold = df.iloc[0:0]
train_fold.to_csv(train_path, index=False)
test_fold.to_csv(test_path, index=False)
if __name__ == '__main__':
split_table_into_folds_op = create_component_from_func(
split_table_into_folds,
base_image='python:3.7',
packages_to_install=['scikit-learn==0.23.1', 'pandas==1.0.5'],
output_component_file='component.yaml',
)
model.compile(
loss=loss_name,
optimizer=optimizer,
metrics=metrics,
)
history = model.fit(
x_train,
y_train_one_hot,
batch_size=batch_size,
epochs=num_epochs,
shuffle=True
)
model.save(model_path)
metrics_history = {name: [float(value) for value in values] for name, values in history.history.items()}
final_metrics = {name: values[-1] for name, values in metrics_history.items()}
final_loss = final_metrics['loss']
return (final_loss, final_metrics, metrics_history)
if __name__ == '__main__':
keras_train_classifier_from_csv_op = create_component_from_func(
keras_train_classifier_from_csv,
base_image='tensorflow/tensorflow:2.2.0',
packages_to_install=['keras==2.3.1', 'pandas==1.0.5'],
output_component_file='component.yaml',
)
number_of_items=number_of_items,
max_absolute_error=max_absolute_error,
mean_absolute_error=mean_absolute_error,
mean_squared_error=mean_squared_error,
root_mean_squared_error=root_mean_squared_error,
)
return (
number_of_items,
max_absolute_error,
mean_absolute_error,
mean_squared_error,
root_mean_squared_error,
metrics,
)
if __name__ == '__main__':
calculate_regression_metrics_from_csv_op = create_component_from_func(
calculate_regression_metrics_from_csv,
output_component_file='component.yaml',
base_image='python:3.7',
packages_to_install=['numpy==1.19.0'],
annotations={
"author":
"Alexey Volkov <*****@*****.**>",
"canonical_location":
"https://raw.githubusercontent.com/Ark-kun/pipeline_components/master/components/ml_metrics/Calculate_regression_metrics/from_CSV/component.yaml",
},
)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Fail pipeline."""
from kfp import components, dsl
def fail():
'''Fails'''
import sys
sys.exit(1)
fail_op = components.create_component_from_func(fail,
base_image='alpine:latest')
@dsl.pipeline(name='fail_pipeline')
def fail_pipeline():
fail_task = fail_op()
if label_column:
column_descriptions = {label_column: 'Label'}
column_description_path = tempfile.NamedTemporaryFile(
delete=False).name
with open(column_description_path, 'w') as column_description_file:
for idx, kind in column_descriptions.items():
column_description_file.write('{}\t{}\n'.format(idx, kind))
else:
column_description_path = None
eval_data = Pool(
data_path,
column_description=column_description_path,
has_header=True,
delimiter=',',
)
model = CatBoost()
model.load_model(model_path)
predictions = model.predict(eval_data, prediction_type='Probability')
numpy.savetxt(predictions_path, predictions)
if __name__ == '__main__':
catboost_predict_class_probabilities_op = create_component_from_func(
catboost_predict_class_probabilities,
output_component_file='component.yaml',
base_image='python:3.7',
packages_to_install=['catboost==0.23'])
from kfp.components import create_component_from_func
def build_list(
item_1: dict = None,
item_2: dict = None,
item_3: dict = None,
item_4: dict = None,
item_5: dict = None,
) -> list:
"""Creates a JSON array from multiple items.
Annotations:
author: Alexey Volkov <*****@*****.**>
"""
result = []
for item in [item_1, item_2, item_3, item_4, item_5]:
if item is not None:
result.append(item)
return result
if __name__ == '__main__':
build_list_op = create_component_from_func(
build_list,
base_image='python:3.8',
output_component_file='component.yaml',
)
input_config = {
'bigquery_source': {
'input_uri': input_uri,
},
}
response = client.import_data(
dataset_path,
input_config,
retry or google.api_core.gapic_v1.method.DEFAULT,
timeout or google.api_core.gapic_v1.method.DEFAULT,
metadata,
)
result = response.result()
print(result)
metadata = response.metadata
print(metadata)
return (dataset_path)
if __name__ == '__main__':
from kfp.components import create_component_from_func
automl_import_data_from_bigquery_op = create_component_from_func(
automl_import_data_from_bigquery,
output_component_file='component.yaml',
base_image='python:3.7',
annotations={
"author": "Alexey Volkov <*****@*****.**>",
"canonical_location": "https://raw.githubusercontent.com/Ark-kun/pipeline_components/master/components/gcp/automl/import_data_from_bigquery/component.yaml",
},
)
should_stop_trial = True
complete_response = trials_api.complete(
name=fix_resource_name(trial_name), ).execute()
return (trial_name, complete_response, should_stop_trial)
else:
check_early_stopping_response = trials_api.checkEarlyStoppingState(
name=fix_resource_name(trial_name), ).execute()
operation_name = check_early_stopping_response['name']
while True:
get_operation_response = operations_api.get(
name=fix_resource_name(operation_name), ).execute()
if get_operation_response.get('done'):
break
logging.info('Not finished yet: ' + str(get_operation_response))
time.sleep(10)
operation_response = get_operation_response['response']
should_stop_trial = operation_response['shouldStop']
return (trial_name, add_measurement_response, should_stop_trial)
if __name__ == '__main__':
add_measurement_for_trial_in_gcp_ai_platform_optimizer_op = create_component_from_func(
add_measurement_for_trial_in_gcp_ai_platform_optimizer,
base_image='python:3.8',
packages_to_install=[
'google-api-python-client==1.12.3', 'google-cloud-storage==1.31.2',
'google-auth==1.21.3'
],
output_component_file='component.yaml',
)
from kfp.components import create_component_from_func, InputPath, OutputPath
def convert_to_tensorflow_saved_model_from_onnx_model(
model_path: InputPath('OnnxModel'),
converted_model_path: OutputPath('TensorflowSavedModel'),
):
import onnx
import onnx_tf
onnx_model = onnx.load(model_path)
tf_rep = onnx_tf.backend.prepare(onnx_model)
tf_rep.export_graph(converted_model_path)
if __name__ == '__main__':
convert_to_tensorflow_saved_model_from_onnx_model_op = create_component_from_func(
convert_to_tensorflow_saved_model_from_onnx_model,
output_component_file='component.yaml',
base_image='tensorflow/tensorflow:2.4.1',
packages_to_install=['onnx-tf==1.7.0', 'onnx==1.8.0'], # onnx-tf==1.7.0 is not compatible with onnx==1.8.1
annotations={
"author": "Alexey Volkov <*****@*****.**>",
"canonical_location": "https://raw.githubusercontent.com/Ark-kun/pipeline_components/master/components/_converters/OnnxModel/to_TensorflowSavedModel/component.yaml",
},
)
model_format=model_format,
gcs_destination=automl.GcsDestination(
output_uri_prefix=gcs_output_uri_prefix, ),
),
)
print('Operation started:')
print(response.operation)
result = response.result()
metadata = response.metadata
print('Operation finished:')
print(metadata)
return (metadata.export_model_details.output_info.gcs_output_directory, )
if __name__ == '__main__':
automl_export_model_to_gcs_op = create_component_from_func(
automl_export_model_to_gcs,
output_component_file='component.yaml',
base_image='python:3.8',
packages_to_install=[
'google-cloud-automl==2.0.0',
],
annotations={
"author":
"Alexey Volkov <*****@*****.**>",
"canonical_location":
"https://raw.githubusercontent.com/Ark-kun/pipeline_components/master/components/gcp/automl/export_model_to_gcs/component.yaml",
},
)
"""Two step v2-compatible pipeline."""
from kfp import components, dsl
from kfp.components import InputPath, OutputPath
def preprocess(uri: str, some_int: int, output_parameter_one: OutputPath(int),
output_dataset_one: OutputPath('Dataset')):
'''Dummy Preprocess Step.'''
with open(output_dataset_one, 'w') as f:
f.write('Output dataset')
with open(output_parameter_one, 'w') as f:
f.write("{}".format(1234))
preprocess_op = components.create_component_from_func(preprocess,
base_image='python:3.9')
@components.create_component_from_func
def train_op(dataset: InputPath('Dataset'),
model: OutputPath('Model'),
num_steps: int = 100):
'''Dummy Training Step.'''
with open(dataset, 'r') as input_file:
input_string = input_file.read()
with open(model, 'w') as output_file:
for i in range(num_steps):
output_file.write("Step {}\n{}\n=====\n".format(
i, input_string))
def run_component(args):
OUT_COMPONENTS_DIR = args.out_component_dir
get_word_component = cpt.create_component_from_func(get_word,
output_component_file=f'{OUT_COMPONENTS_DIR}/get_word.component')
