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bpo-31680: Add curses.ncurses_version. (GH-4217)

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Use curses.ncurses_version for conditionally skipping a test.
This commit is contained in:
Serhiy Storchaka 2018-10-30 13:22:42 +02:00 • committed by GitHub
parent 3e429dcc24
commit b232df9197
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5 changed files with 119 additions and 3 deletions
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77
Modules/_cursesmodule.c
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@ -4289,6 +4289,59 @@ _curses_use_default_colors_impl(PyObject *module)
}
#endif /* STRICT_SYSV_CURSES */
#ifdef NCURSES_VERSION
PyDoc_STRVAR(ncurses_version__doc__,
"curses.ncurses_version\n\
\n\
Ncurses version information as a named tuple.");
static PyTypeObject NcursesVersionType;
static PyStructSequence_Field ncurses_version_fields[] = {
{"major", "Major release number"},
{"minor", "Minor release number"},
{"patch", "Patch release number"},
{0}
};
static PyStructSequence_Desc ncurses_version_desc = {
"curses.ncurses_version", /* name */
ncurses_version__doc__, /* doc */
ncurses_version_fields, /* fields */
3
};
static PyObject *
make_ncurses_version(void)
{
PyObject *ncurses_version;
int pos = 0;
ncurses_version = PyStructSequence_New(&NcursesVersionType);
if (ncurses_version == NULL) {
return NULL;
}
#define SetIntItem(flag) \
PyStructSequence_SET_ITEM(ncurses_version, pos++, PyLong_FromLong(flag)); \
if (PyErr_Occurred()) { \
Py_CLEAR(ncurses_version); \
return NULL; \
}
SetIntItem(NCURSES_VERSION_MAJOR)
SetIntItem(NCURSES_VERSION_MINOR)
SetIntItem(NCURSES_VERSION_PATCH)
#undef SetIntItem
return ncurses_version;
}
#endif /* NCURSES_VERSION */
/* List of functions defined in the module */
static PyMethodDef PyCurses_methods[] = {
@ -4426,6 +4479,30 @@ PyInit__curses(void)
PyDict_SetItemString(d, "__version__", v);
Py_DECREF(v);
#ifdef NCURSES_VERSION
/* ncurses_version */
if (NcursesVersionType.tp_name == NULL) {
if (PyStructSequence_InitType2(&NcursesVersionType,
&ncurses_version_desc) < 0)
return NULL;
}
v = make_ncurses_version();
if (v == NULL) {
return NULL;
}
PyDict_SetItemString(d, "ncurses_version", v);
Py_DECREF(v);
/* prevent user from creating new instances */
NcursesVersionType.tp_init = NULL;
NcursesVersionType.tp_new = NULL;
if (PyDict_DelItemString(NcursesVersionType.tp_dict, "__new__") < 0 &&
PyErr_ExceptionMatches(PyExc_KeyError))
{
PyErr_Clear();
}
#endif /* NCURSES_VERSION */
SetDictInt("ERR", ERR);
SetDictInt("OK", OK);