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30fb2c4aba
Let's have some fun. Pull Request resolved: https://github.com/pytorch/pytorch/pull/78828 Approved by: https://github.com/ezyang
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
#include <torch/csrc/lazy/python/python_util.h>
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#include <Python.h>
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#include <frameobject.h>
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#include <pybind11/pybind11.h>
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#include <torch/csrc/lazy/core/debug_util.h>
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#include <torch/csrc/utils/python_strings.h>
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namespace torch {
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namespace lazy {
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c10::optional<SourceLocation> GetPythonFrameTop() {
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if (!Py_IsInitialized()) {
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return c10::nullopt;
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}
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pybind11::gil_scoped_acquire gil;
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PyFrameObject* frame = PyEval_GetFrame();
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if (frame == nullptr) {
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return c10::nullopt;
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}
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SourceLocation loc;
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loc.line = PyCode_Addr2Line(frame->f_code, frame->f_lasti);
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loc.file = THPUtils_unpackString(frame->f_code->co_filename);
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loc.function = THPUtils_unpackString(frame->f_code->co_name);
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return loc;
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}
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std::vector<SourceLocation> GetPythonFrames() {
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std::vector<SourceLocation> frames;
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if (Py_IsInitialized()) {
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pybind11::gil_scoped_acquire gil;
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PyFrameObject* frame = PyEval_GetFrame();
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while (frame != nullptr) {
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SourceLocation loc;
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loc.line = PyCode_Addr2Line(frame->f_code, frame->f_lasti);
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loc.file = THPUtils_unpackString(frame->f_code->co_filename);
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loc.function = THPUtils_unpackString(frame->f_code->co_name);
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frames.push_back(std::move(loc));
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frame = frame->f_back;
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}
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}
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return frames;
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}
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} // namespace lazy
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} // namespace torch
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