mirror of
https://github.com/zebrajr/pytorch.git
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de00aab720
Also move some of the exporter info out of the ModelProto constructor. Signed-off-by: Edward Z. Yang <ezyang@fb.com>
58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
#include <Python.h>
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#include "torch/csrc/jit/python_tracer.h"
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#include "torch/csrc/jit/tracer.h"
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#include "torch/csrc/assertions.h"
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#include "torch/csrc/jit/export.h"
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#include "torch/csrc/jit/pybind.h"
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#include "torch/csrc/utils/python_strings.h"
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#include <sstream>
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using namespace torch::autograd;
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using namespace torch::jit;
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using namespace torch::jit::tracer;
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namespace torch { namespace jit {
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#define ASSERT_UNEXPIRED(METHOD_NAME) if (s.is_expired()) throw std::runtime_error("calling " METHOD_NAME " on an expired trace")
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void initPythonTracerBindings(PyObject* module_) {
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auto m = py::handle(module_).cast<py::module>();
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py::class_<TracingState,std::shared_ptr<TracingState>>(m, "TracingState")
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// NB: no constructor; you have to get it from C++ code
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.def("__repr__", [](const TracingState& s) {
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std::ostringstream ss;
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ss << "<TracingState " << (const void*)&s << ">";
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return ss.str();
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})
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.def("__str__", [](const TracingState& s) -> std::string {
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if (s.is_expired()) return "<expired TracingState>";
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std::ostringstream ss;
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ss << *s.graph;
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return ss.str();
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})
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.def("export", [](TracingState& s, const std::vector<at::Tensor>& initializers, int64_t onnx_opset_version) {
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ASSERT_UNEXPIRED("export");
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return py::bytes(ExportGraph(s.graph, initializers, onnx_opset_version));
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})
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.def("graph", [](TracingState& s) {
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return s.graph;
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})
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.def_property_readonly("is_expired", [](TracingState& s) {
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return s.is_expired();
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})
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.def_property_readonly("is_complete", [](TracingState& s) {
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return s.is_complete();
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});
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m.def("_tracer_enter", [](std::vector<TraceInput> trace_inputs, std::size_t num_backwards) {
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return enter(std::move(trace_inputs), num_backwards + 1);
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});
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m.def("_tracer_exit", [](variable_list var_outputs) {
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tracer::exit(var_outputs);
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});
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}
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}} // namespace torch::jit
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