#if !defined(TORCH_STABLE_ONLY) && !defined(TORCH_TARGET_VERSION)
#pragma once

#include <c10/core/impl/PyInterpreter.h>
#include <c10/macros/Export.h>
#include <c10/util/Registry.h>
#include <memory>

namespace c10::impl {

// Minimal interface for PyInterpreter hooks
struct C10_API PyInterpreterHooksInterface {
  virtual ~PyInterpreterHooksInterface() = default;

  // Get the PyInterpreter instance
  // Stub implementation throws error when Python is not available
  virtual PyInterpreter* getPyInterpreter() const {
    TORCH_CHECK(
        false,
        "PyTorch was compiled without Python support. "
        "Cannot access Python interpreter from C++.");
  }
};

// Deprecated: no longer used internally, kept for ABI compatibility.
struct C10_API PyInterpreterHooksArgs{};

C10_DECLARE_REGISTRY(PyInterpreterHooksRegistry, PyInterpreterHooksInterface);

#define REGISTER_PYTHON_HOOKS(clsname) \
  C10_REGISTER_CLASS(PyInterpreterHooksRegistry, clsname, clsname)

// Get the global PyInterpreter hooks instance
C10_API const PyInterpreterHooksInterface& getPyInterpreterHooks();

// Helper function to get the global interpreter
C10_API PyInterpreter* getGlobalPyInterpreter();

} // namespace c10::impl

#else
#error "This file should not be included when either TORCH_STABLE_ONLY or TORCH_TARGET_VERSION is defined."
#endif  // !defined(TORCH_STABLE_ONLY) && !defined(TORCH_TARGET_VERSION)