QHashToDict.cpp

Go to the documentation of this file.

// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2019 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#include "MantidQtWidgets/Common/Python/QHashToDict.h"
#include "MantidQtWidgets/Common/Python/Sip.h"
 
namespace MantidQt::Widgets::Common::Python {
 
Python::Dict qHashToDict(const KwArgs &hash) {
  auto mod = PyImport_ImportModule("qtpy.QtCore");
  Py_DECREF(mod);
 
  auto d = Python::Dict();
 
  auto it = hash.constBegin();
  auto end = hash.constEnd();
  auto sipAPI = Detail::sipAPI();
 
  while (it != end) {
    auto *k = new KwArgs::key_type(it.key());
    auto *kobj = sipAPI->api_convert_from_new_type(k, sipAPI->api_find_type("QString"), Py_None);
 
    if (!kobj) {
      delete k;
      return Python::Dict();
    }
 
    auto *v = new KwArgs::mapped_type(it.value());
    auto *vobj = sipAPI->api_convert_from_new_type(v, sipAPI->api_find_type("QVariant"), Py_None);
 
    if (!vobj) {
      delete v;
      Py_DECREF(kobj);
      return Python::Dict();
    }
 
    auto rc = PyDict_SetItem(d.ptr(), kobj, vobj);
 
    Py_DECREF(vobj);
    Py_DECREF(kobj);
 
    if (rc < 0) {
      return Python::Dict();
    }
 
    ++it;
  }
 
  return d;
}
 
} // namespace MantidQt::Widgets::Common::Python