content: #  Copyright (c) ZenML GmbH 2025. All Rights Reserved.
  #
  #  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:
  #
  #       https://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.
  """Pipeline compilation context."""
  
  import contextvars
  from typing import TYPE_CHECKING
  
  from typing_extensions import Self
  
  from zenml.utils import context_utils
  
  if TYPE_CHECKING:
      from zenml.pipelines.pipeline_definition import Pipeline
  
  
  class PipelineCompilationContext(context_utils.BaseContext):
      """Pipeline compilation context."""
  
      __context_var__ = contextvars.ContextVar("pipeline_compilation_context")
  
      def __init__(
          self,
          pipeline: "Pipeline",
      ) -> None:
          """Initialize the pipeline compilation context.
  
          Args:
              pipeline: The pipeline that is being compiled.
          """
          super().__init__()
          self._pipeline = pipeline
  
      @property
      def pipeline(self) -> "Pipeline":
          """The pipeline that is being compiled.
  
          Returns:
              The pipeline that is being compiled.
          """
          return self._pipeline
  
      def __enter__(self) -> Self:
          """Enter the pipeline compilation context.
  
          Raises:
              RuntimeError: If the pipeline compilation context has already been
                  entered.
  
          Returns:
              The pipeline compilation context object.
          """
          if self._token is not None:
              raise RuntimeError(
                  "Compiling a pipeline while another pipeline is being compiled "
                  "is not allowed."
              )
          return super().__enter__()
  