#pragma once
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#include <torch/csrc/python_headers.h>
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#include <torch/csrc/DynamicTypes.h>
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#include <torch/csrc/THP.h>
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#include <torch/csrc/autograd/variable.h>
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#include <ATen/core/interned_strings.h>
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#include <ATen/core/ivalue.h>
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#include <torch/csrc/jit/pybind_utils.h>
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#include <torch/csrc/jit/tracer.h>
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#include <torch/csrc/utils/pybind.h>
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#include <pybind11/functional.h>
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#include <pybind11/pybind11.h>
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#include <pybind11/stl.h>
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namespace py = pybind11;
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namespace pybind11 {
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namespace detail {
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template <>
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struct type_caster<torch::jit::IValue> {
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public:
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PYBIND11_TYPE_CASTER(torch::jit::IValue, _("IValue"));
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bool load(handle src, bool) {
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try {
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value = torch::jit::toIValue(src);
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return true;
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} catch (std::exception& e) {
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return false;
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}
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}
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static handle cast(
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torch::jit::IValue src,
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return_value_policy /* policy */,
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handle /* parent */) {
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return torch::jit::toPyObject(std::move(src)).release();
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}
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};
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template <>
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struct type_caster<torch::jit::Symbol> {
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public:
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PYBIND11_TYPE_CASTER(torch::jit::Symbol, _("Symbol"));
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bool load(handle src, bool) {
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// TODO: Is there a way to py::cast that doesn't raise an exception on
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// failure? Can we catch pybind11::cast_error here instead?
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std::string src_str;
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try {
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src_str = py::cast<std::string>(src);
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} catch (std::exception& e) {
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return false;
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}
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value = torch::jit::Symbol::fromQualString(src_str);
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return true;
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}
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static handle cast(
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torch::jit::Symbol src,
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return_value_policy /* policy */,
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handle /* parent */) {
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return py::cast(std::string(src.toQualString()), return_value_policy::copy)
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.release();
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}
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};
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template <>
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struct type_caster<torch::jit::AttributeKind> {
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public:
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PYBIND11_TYPE_CASTER(torch::jit::AttributeKind, _("AttributeKind"));
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bool load(handle src, bool) {
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return false;
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}
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static handle cast(
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torch::jit::AttributeKind src,
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return_value_policy /* policy */,
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handle /* parent */) {
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return py::cast(
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std::string(torch::jit::toString(src)),
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return_value_policy::copy)
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.release();
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}
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};
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// See https://github.com/pybind/pybind11/issues/637
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using ListCasterBase = pybind11::detail::
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list_caster<std::vector<torch::jit::Node*>, torch::jit::Node*>;
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template <>
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struct type_caster<std::vector<torch::jit::Node*>> : ListCasterBase {
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static handle cast(
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const std::vector<torch::jit::Node*>& src,
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return_value_policy,
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handle parent) {
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return ListCasterBase::cast(src, return_value_policy::reference, parent);
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}
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static handle cast(
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const std::vector<torch::jit::Node*>* src,
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return_value_policy pol,
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handle parent) {
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return cast(*src, pol, parent);
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}
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};
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} // namespace detail
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} // namespace pybind11
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namespace torch {
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namespace jit {
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static inline py::tuple tuple_tail(const py::tuple& tup) {
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py::tuple r(tup.size() - 1);
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for (size_t i = 1; i < tup.size(); i++) {
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r[i - 1] = tup[i];
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}
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return r;
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}
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} // namespace jit
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} // namespace torch
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