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kronos-venv/lib/python3.12/site-packages/torch/jit/_passes/_property_propagation.py

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+"""
+Tools to help with tensor property propagation.
+
+This is not intended to be imported directly; please use the exposed
+functionalities in `torch.jit`.
+"""
+
+from typing import Any
+
+import torch
+from torch import TensorType
+from torch._C import Graph
+
+
+def apply_input_props_using_example(graph: Graph, example_input: list[Any]) -> None:
+    """
+    Applies properties for each tensor in the graph inputs
+    using the example supplied.
+    """
+    graph_inputs = list(graph.inputs())
+    if len(graph_inputs) == 0:
+        return
+
+    # Strip self args off for methods
+    in_0 = graph_inputs[0]
+    if isinstance(in_0.type(), torch._C.ClassType) and in_0.debugName() == "self":
+        graph_inputs = graph_inputs[1:]
+
+    if not len(graph_inputs) == len(example_input):
+        raise RuntimeError(
+            "Number of inputs in graph does not match number of inputs in the example"
+        )
+
+    for i, (graph_i, example_i) in enumerate(zip(graph_inputs, example_input)):
+        if example_i is None:
+            continue  # Skip the type check
+
+        if isinstance(example_i, torch.Tensor) != isinstance(
+            graph_i.type(), TensorType
+        ):
+            raise RuntimeError(
+                f"Input {i} does not match type of example", graph_i, example_i
+            )
+
+        if isinstance(example_i, torch.Tensor):
+            graph_i.setType(TensorType.create_from_tensor(example_i))  # type: ignore[arg-type]