Function peek_pyerror

src/mgr/PyModule.cc:146–158

* Get the single-line exception message, without clearing any * exception state. */

 * exception state.
 */
std::string peek_pyerror()
{
  PyObject *ptype, *pvalue, *ptraceback;
  PyErr_Fetch(&ptype, &pvalue, &ptraceback);
  ceph_assert(ptype);
  ceph_assert(pvalue);
  PyObject *pvalue_str = PyObject_Str(pvalue);
  std::string exc_msg = PyUnicode_AsUTF8(pvalue_str);
  Py_DECREF(pvalue_str);
  PyErr_Restore(ptype, pvalue, ptraceback);

  return exc_msg;
}

std::span<std::byte const> py_bytes_as_span(PyObject *bytes)
{