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Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/44324 **Summary** This commit adds reference semantics to TorchScript class types; modifications made to them within TorchScript will be visible in Python. **Test Plan** This commit adds a unit test to `TestClassType` that checks that modifications made to a class type instance passed into TorchScript are visible in Python after executing the scripted function or module. **Fixes** This commit closes #41421. Test Plan: Imported from OSS Reviewed By: gmagogsfm Differential Revision: D24912807 Pulled By: SplitInfinity fbshipit-source-id: d64ac6211012425b040b987e3358253016e84ca0
29 lines
685 B
C++
29 lines
685 B
C++
#pragma once
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#include <pybind11/pybind11.h>
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#include <pybind11/stl.h>
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#include <torch/csrc/jit/api/module.h>
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namespace py = pybind11;
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namespace torch {
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namespace jit {
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inline c10::optional<Module> as_module(const py::object& obj) {
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if (py::isinstance(
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obj, py::module::import("torch.jit").attr("ScriptModule"))) {
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return py::cast<Module>(obj.attr("_c"));
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}
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return c10::nullopt;
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}
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inline c10::optional<Object> as_object(const py::object& obj) {
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if (py::isinstance(
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obj, py::module::import("torch.jit").attr("RecursiveScriptClass"))) {
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return py::cast<Object>(obj.attr("_c"));
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}
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return c10::nullopt;
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}
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} // namespace jit
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} // namespace torch
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