Function bpy_run_string_impl

source/blender/python/intern/bpy_interface_run.cc:257–304

* \param mode: Passed to #PyRun_String, matches Python's `compile` functions mode argument. * #Py_eval_input for `eval`, #Py_file_input for `exec`. */

 * #Py_eval_input for `eval`, #Py_file_input for `exec`.
 */
static bool bpy_run_string_impl(bContext *C,
                                const char *imports[],
                                const char *expr,
                                const int mode)
{
  BLI_assert(expr);
  PyGILState_STATE gilstate;
  PyObject *py_dict, *retval;
  bool ok = true;

  if (expr[0] == '\0') {
    return ok;
  }

  bpy_context_set(C, &gilstate);

  PyObject *main_mod = PyC_MainModule_Backup();

  py_dict = PyC_DefaultNameSpace("<blender string>");

  if (imports && !PyC_NameSpace_ImportArray(py_dict, imports)) {
    Py_DECREF(py_dict);
    retval = nullptr;
  }
  else {
    retval = PyRun_String(expr, mode, py_dict, py_dict);
  }

  if (retval == nullptr) {
    ok = false;
    if (ReportList *wm_reports = C ? CTX_wm_reports(C) : nullptr) {
      BPy_errors_to_report(wm_reports);
    }
    else {
      PyC_Err_CaptureSystemExitCode();
    }
    PyErr_Print();
  }
  else {
    Py_DECREF(retval);
  }

  PyC_MainModule_Restore(main_mod);

  bpy_context_clear(C, &gilstate);

  return ok;
}

bool BPY_run_string_eval(bContext *C, const char *imports[], const char *expr)
{