feat(components): internal

Signed-off-by: Googler <nobody@google.com>
PiperOrigin-RevId: 658993845

Author: Googler

components/google-cloud/google_cloud_pipeline_components/preview/compiler/__init__.py

@@ -0,0 +1,7 @@
+"""KFP DSL compiler with Vertex Specific Features."""
+
+from google_cloud_pipeline_components.preview.compiler import Compiler
+
+__all__ = [
+    'Compiler',
+]

components/google-cloud/google_cloud_pipeline_components/preview/compiler/compiler.py

@@ -0,0 +1,189 @@
+"""KFP DSL compiler with Vertex Specific Features.
+
+This compiler is intended to compile PipelineSpec with Vertex Specifc features.
+
+To ensure full compatibility with Vertex specifc functionalities,
+Google first party pipelines should utilize this version of compiler.
+"""
+
+import os
+from os import path
+from typing import Any, Dict, Optional
+
+from absl import logging
+from google.protobuf import json_format
+from google_cloud_pipeline_components.proto import template_metadata_pb2
+from kfp import compiler as kfp_compiler
+from kfp.dsl import base_component
+from kfp.pipeline_spec import pipeline_spec_pb2
+import yaml
+
+
+class Compiler:
+  """Compiles pipelines composed using the KFP SDK DSL to a YAML pipeline definition.
+
+  The pipeline definition is `PipelineSpec IR
+  <https://github.com/kubeflow/pipelines/blob/2060e38c5591806d657d85b53eed2eef2e5de2ae/api/v2alpha1/pipeline_spec.proto#L50>`_,
+  the protobuf message that defines a pipeline.
+
+  Example:
+    ::
+
+      @dsl.pipeline(
+        name='name',
+      )
+      def my_pipeline(a: int, b: str = 'default value'):
+          ...
+
+      compiler.Compiler().compile(
+          pipeline_func=my_pipeline,
+          package_path='path/to/pipeline.yaml',
+          pipeline_parameters={'a': 1},
+      )
+  """
+
+  def merge_template_metadata_to_pipeline_spec_proto(
+      self,
+      template_metadata: Optional[template_metadata_pb2.TemplateMetadata],
+      pipeline_spec_proto: pipeline_spec_pb2.PipelineSpec,
+  ) -> pipeline_spec_pb2.PipelineSpec:
+    """Merges TemplateMetadata into a PipelineSpec for execution on Google Cloud.
+
+    This function prepares a PipelineSpec for execution on Google Cloud by
+    incorporating TemplateMetadata into the platform-specific configuration. The
+    metadata is converted to JSON and embedded within the 'google_cloud'
+    platform
+    configuration.
+
+    Args:
+        template_metadata: A TemplateMetadata object containing component
+          metadata.
+        pipeline_spec_proto: A PipelineSpec protobuf object representing the
+          pipeline specification.
+
+    Returns:
+        A modified PipelineSpec protobuf object with the TemplateMetadata merged
+        into the 'google_cloud' PlatformSpec configuration or the original
+        PlatformSpec proto if the template_metadata is none.
+    """
+    if template_metadata is None:
+      return pipeline_spec_proto
+    template_metadata_json = json_format.MessageToJson(template_metadata)
+    platform_spec_proto = pipeline_spec_pb2.PlatformSpec()
+    platform_spec_proto.platform = "google_cloud"
+    json_format.Parse(template_metadata_json, platform_spec_proto.config)
+    pipeline_spec_proto.root.platform_specs.append(platform_spec_proto)
+    return pipeline_spec_proto
+
+  def parse_pipeline_spec_yaml(
+      self,
+      pipeline_spec_yaml_file: str,
+  ) -> pipeline_spec_pb2.PipelineSpec:
+    """Parse pipeline spec yaml parses to the proto.
+
+    Args:
+      pipeline_spec_yaml_file: Path to the pipeline spec yaml file.
+
+    Returns:
+      Proto parsed.
+
+    Raises:
+      ValueError: When the PipelineSpec is invalid.
+    """
+    with open(pipeline_spec_yaml_file, "r") as f:
+      pipeline_spec_yaml = f.read()
+    pipeline_spec_dict = yaml.safe_load(pipeline_spec_yaml)
+    pipeline_spec_proto = pipeline_spec_pb2.PipelineSpec()
+    try:
+      json_format.ParseDict(pipeline_spec_dict, pipeline_spec_proto)
+    except json_format.ParseError as e:
+      raise ValueError(
+          "Failed to parse %s . Please check if that is a valid YAML file"
+          " parsing a pipelineSpec proto." % pipeline_spec_yaml_file
+      ) from e
+    if not pipeline_spec_proto.HasField("pipeline_info"):
+      raise ValueError(
+          "PipelineInfo field not found in the pipeline spec YAML file %s."
+          % pipeline_spec_yaml_file
+      )
+    if not pipeline_spec_proto.pipeline_info.display_name:
+      logging.warning(
+          (
+              "PipelineInfo.displayName field is empty in pipeline spec YAML"
+              " file %s."
+          ),
+          pipeline_spec_yaml_file,
+      )
+    if not pipeline_spec_proto.pipeline_info.description:
+      logging.warning(
+          (
+              "PipelineInfo.description field is empty in pipeline spec YAML"
+              " file %s."
+          ),
+          pipeline_spec_yaml_file,
+      )
+    return pipeline_spec_proto
+
+  def compile(
+      self,
+      pipeline_func: base_component.BaseComponent,
+      package_path: str,
+      pipeline_name: Optional[str] = None,
+      pipeline_parameters: Optional[Dict[str, Any]] = None,
+      type_check: bool = True,
+      includ_vertex_specifc_features=True,
+  ) -> None:
+    """Compiles the pipeline or component function into IR YAML.
+
+       By default, this compiler will compile any Vertex Specifc Features.
+
+    Args:
+        pipeline_func: Pipeline function constructed with the ``@dsl.pipeline``
+          or component constructed with the ``@dsl.component`` decorator.
+        package_path: Output YAML file path. For example,
+          ``'~/my_pipeline.yaml'`` or ``'~/my_component.yaml'``.
+        pipeline_name: Name of the pipeline.
+        pipeline_parameters: Map of parameter names to argument values.
+        type_check: Whether to enable type checking of component interfaces
+          during compilation.
+        includ_vertex_specifc_features: Whether to enable compiling Vertex
+          Specific Features.
+    """
+    if not includ_vertex_specifc_features:
+      kfp_compiler.Compiler().compile(
+          pipeline_func=pipeline_func,
+          package_path=package_path,
+          pipeline_name=pipeline_name,
+          pipeline_parameters=pipeline_parameters,
+          type_check=type_check,
+      )
+      return
+
+    local_temp_output_dir = path.join(path.dirname(package_path), "tmp.yaml")
+
+    kfp_compiler.Compiler().compile(
+        pipeline_func=pipeline_func,
+        package_path=local_temp_output_dir,
+        pipeline_name=pipeline_name,
+        pipeline_parameters=pipeline_parameters,
+        type_check=type_check,
+    )
+
+    original_pipeline_spec = self.parse_pipeline_spec_yaml(
+        local_temp_output_dir
+    )
+    template_metadata = getattr(pipeline_func, "template_metadata", None)
+    updated_pipeline_spec = self.merge_template_metadata_to_pipeline_spec_proto(
+        template_metadata, original_pipeline_spec
+    )
+    updated_pipeline_spec_dict = json_format.MessageToDict(
+        updated_pipeline_spec
+    )
+
+    with open(
+        package_path,
+        "w",
+    ) as f:
+      yaml.dump(updated_pipeline_spec_dict, f)
+
+    os.remove(local_temp_output_dir)