QGIS/python/core/std.sip

/* std:: conversions */

%MappedType std::string
{
%TypeHeaderCode
#include <string>
%End

%ConvertFromTypeCode
    // convert an std::string to a Python (unicode) string
    PyObject* newstring;
    newstring = PyUnicode_DecodeUTF8(sipCpp->c_str(), sipCpp->length(), NULL);
    if(newstring == NULL) {
        PyErr_Clear();
        newstring = PyUnicode_FromString(sipCpp->c_str());
    }
    return newstring;
%End


%ConvertToTypeCode
    // Allow a Python string (or a unicode string) whenever a string is
    // expected.
    // If argument is a Unicode string, just decode it to UTF-8
    if (sipIsErr == NULL)
      return (PyUnicode_Check(sipPy));
    if (sipPy == Py_None) {
      *sipCppPtr = new std::string;
      return 1;
    }
    if (PyUnicode_Check(sipPy))	{
      Py_ssize_t size;
      const char *s = PyUnicode_AsUTF8AndSize(sipPy, &size);
      if (!s) {
          return 0;
      }
      *sipCppPtr = new std::string(s);
      return 1;
    }
return 0;
%End
};