149 lines
4.9 KiB
Python
149 lines
4.9 KiB
Python
# Copyright 2018 The Kubeflow Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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from typing import Optional
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from kfp.deprecated import dsl
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import kfp.deprecated as kfp
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import kfp.deprecated.compiler
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import os
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import sys
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_KF_PIPELINES_COMPILER_MODE_ENV = 'KF_PIPELINES_COMPILER_MODE'
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def parse_arguments():
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"""Parse command line arguments."""
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--py', type=str, help='local absolute path to a py file.')
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parser.add_argument(
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'--function',
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type=str,
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help='The name of the function to compile if there are multiple.')
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parser.add_argument(
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'--namespace', type=str, help='The namespace for the pipeline function')
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parser.add_argument(
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'--output',
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type=str,
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required=True,
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help='local path to the output workflow yaml file.')
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parser.add_argument(
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'--disable-type-check',
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action='store_true',
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help='disable the type check, default is enabled.')
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parser.add_argument(
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'--mode',
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type=str,
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help='compiler mode, defaults to V1, can also be V2_COMPATIBLE. You can override the default using env var KF_PIPELINES_COMPILER_MODE.'
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)
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args = parser.parse_args()
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return args
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def _compile_pipeline_function(
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pipeline_funcs,
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function_name,
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output_path,
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type_check,
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mode: Optional[dsl.PipelineExecutionMode] = None,
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pipeline_conf: Optional[dsl.PipelineConf] = None):
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if len(pipeline_funcs) == 0:
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raise ValueError(
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'A function with @dsl.pipeline decorator is required in the py file.'
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)
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if len(pipeline_funcs) > 1 and not function_name:
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func_names = [x.__name__ for x in pipeline_funcs]
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raise ValueError(
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'There are multiple pipelines: %s. Please specify --function.' %
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func_names)
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if function_name:
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pipeline_func = next(
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(x for x in pipeline_funcs if x.__name__ == function_name), None)
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if not pipeline_func:
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raise ValueError('The function "%s" does not exist. '
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'Did you forget @dsl.pipeline decoration?' %
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function_name)
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else:
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pipeline_func = pipeline_funcs[0]
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kfp.deprecated.compiler.Compiler(mode=mode).compile(pipeline_func,
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output_path, type_check,
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pipeline_conf)
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class PipelineCollectorContext():
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def __enter__(self):
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pipeline_funcs = []
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def add_pipeline(func):
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pipeline_funcs.append(func)
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return func
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self.old_handler = dsl._pipeline._pipeline_decorator_handler
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dsl._pipeline._pipeline_decorator_handler = add_pipeline
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return pipeline_funcs
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def __exit__(self, *args):
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dsl._pipeline._pipeline_decorator_handler = self.old_handler
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def compile_pyfile(pyfile,
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output_path,
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function_name=None,
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type_check=True,
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mode: Optional[dsl.PipelineExecutionMode] = None,
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pipeline_conf: Optional[dsl.PipelineConf] = None):
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sys.path.insert(0, os.path.dirname(pyfile))
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try:
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filename = os.path.basename(pyfile)
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with PipelineCollectorContext() as pipeline_funcs:
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__import__(os.path.splitext(filename)[0])
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_compile_pipeline_function(pipeline_funcs, function_name, output_path,
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type_check, mode, pipeline_conf)
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finally:
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del sys.path[0]
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def main():
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args = parse_arguments()
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if args.py is None:
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raise ValueError('The --py option must be specified.')
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mode_str = args.mode
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if not mode_str:
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mode_str = os.environ.get(_KF_PIPELINES_COMPILER_MODE_ENV, 'V1')
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mode = None
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if mode_str == 'V1_LEGACY' or mode_str == 'V1':
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mode = kfp.dsl.PipelineExecutionMode.V1_LEGACY
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elif mode_str == 'V2_COMPATIBLE':
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mode = kfp.dsl.PipelineExecutionMode.V2_COMPATIBLE
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elif mode_str == 'V2_ENGINE':
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mode = kfp.dsl.PipelineExecutionMode.V2_ENGINE
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else:
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raise ValueError(
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f'Got unexpected --mode option "{mode_str}", it must be one of V1, V2_COMPATIBLE or V2_ENGINE'
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)
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compile_pyfile(
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args.py,
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args.output,
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args.function,
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not args.disable_type_check,
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mode,
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)
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