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pipeline.objects.graph.Graph

Graph - class

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pipeline.objects.graph.Graph(
	name: str = "",
  variables: List[Variable] = None,
  functions: List[Function] = None,
  outputs: List[Variable] = None,
  nodes: List[GraphNode] = None,
  models: List[Model] = None,
  compute_type: str = "gpu",
  min_gpu_vram_mb: int = None,
)

Description

The Graph class is the core object that contains the computational flow from everything defined in the Pipeline context manager. The Graph contains GraphNodes which intern reference both Variable and Function objects.

Parameters

  • name (str, optional) - a user facing name for the graph.
  • variables (List[Variable], optional) - variables to be used by the graph nodes.
  • functions (List[Function], optional) - functions to be used in the graph nodes.
  • outputs (List[Variable], optional) - the output variables of the graph.
  • nodes (List[GraphNode], optional) - node present in the graph.
  • models (List[Model], optional) - model objects used throughout the graph.
  • compute_type (str, optional) - the required compute resource for the graph (cpu or gpu).
  • min_gpu_vram_mb (int, optional) - the minimum required GPU VRAM to run the graph.

Functions

_startup(self) -> None

Description

Run any nodes (functions) that have the on_startup flag set to true.

The graph startup function is always called in the Graph.run(...) function but can be called separately at any point.


run(self, *inputs: List[Any]) -> List[Any]

Description

Run the inputs through the computation graph. An array of values is then returned from the graph.


_update_function_local_id(self, old_id: str, new_id: str) -> None

Description

Update the ID references for a function in the graph.

Parameters

  • old_id (str) - old ID of the function.
  • new_id (str) - new ID to use for the function.

from_schema(cls, schema: PipelineGet) -> Graph

Description

Reform a graph from the PipelineGet schema.

Parameters

  • schema (PipelineGet) - the schema containing the graph information.

save(self, save_path: str) -> None

Description

Serialise the Graph object and write to a local file.

Parameters

  • save_path (str) - the path to write the graph.

load(cls, load_path: str) -> Graph

Description

Load the Graph object from a file.

Parameters

  • load_path (str) - the path to the graph file.