gi/pygi-util.h

   1 #ifndef __PYGI_UTIL_H__
   2 #define __PYGI_UTIL_H__
   3
   4 #include <Python.h>
   5 #include <glib.h>
   6 #include "pygobject-internal.h"
   7 #include "pygi-python-compat.h"
   8
   9 G_BEGIN_DECLS
  10
  11 PyObject * pyg_integer_richcompare(PyObject *v, PyObject *w, int op);
  12 PyObject * pyg_ptr_richcompare(void* a, void *b, int op);
  13 const gchar * pyg_constant_strip_prefix(const gchar *name, const gchar *strip_prefix);
  14 PyObject * pygi_import_module (const char *name);
  15 PyObject * pygi_pyerr_format (PyObject *exception, const char *format, ...);
  16
  17 gboolean pygi_guint_from_pyssize (Py_ssize_t pyval, guint *result);
  18
  19 #if PY_VERSION_HEX >= 0x03000000
  20
  21 #define _PyGI_ERROR_PREFIX(format, ...) G_STMT_START { \
  22     PyObject *py_error_prefix; \
  23     py_error_prefix = PyUnicode_FromFormat(format, ## __VA_ARGS__); \
  24     if (py_error_prefix != NULL) { \
  25         PyObject *py_error_type, *py_error_value, *py_error_traceback; \
  26         PyErr_Fetch(&py_error_type, &py_error_value, &py_error_traceback); \
  27         if (PyUnicode_Check(py_error_value)) { \
  28             PyObject *new; \
  29             new = PyUnicode_Concat(py_error_prefix, py_error_value); \
  30             Py_DECREF(py_error_value); \
  31             if (new != NULL) { \
  32                 py_error_value = new; \
  33             } \
  34         } \
  35         PyErr_Restore(py_error_type, py_error_value, py_error_traceback); \
  36         Py_DECREF(py_error_prefix); \
  37     } \
  38 } G_STMT_END
  39
  40 #else
  41
  42 #define _PyGI_ERROR_PREFIX(format, ...) G_STMT_START { \
  43     PyObject *py_error_prefix; \
  44     py_error_prefix = PyString_FromFormat(format, ## __VA_ARGS__); \
  45     if (py_error_prefix != NULL) { \
  46         PyObject *py_error_type, *py_error_value, *py_error_traceback; \
  47         PyErr_Fetch(&py_error_type, &py_error_value, &py_error_traceback); \
  48         if (PyString_Check(py_error_value)) { \
  49             PyString_ConcatAndDel(&py_error_prefix, py_error_value); \
  50             if (py_error_prefix != NULL) { \
  51                 py_error_value = py_error_prefix; \
  52             } \
  53         } \
  54         PyErr_Restore(py_error_type, py_error_value, py_error_traceback); \
  55     } \
  56 } G_STMT_END
  57
  58 #endif
  59
  60 G_END_DECLS
  61
  62 #endif /* __PYGI_UTIL_H__ */