time.get_clock_info() uses a namespace instead of structseq

This commit is contained in:
Victor Stinner 2012-06-12 22:11:44 +02:00
parent d9738242f8
commit bda4b8802c
2 changed files with 31 additions and 62 deletions

View File

@ -160,30 +160,6 @@ The module defines the following functions and data items:
.. versionadded:: 3.3
.. class:: clock_info
Clock information object returned by :func:`get_clock_info`.
.. attribute:: implementation
The name of the underlying C function used to get the clock value.
.. attribute:: monotonic
``True`` if the clock cannot go backward, ``False`` otherwise.
.. attribute:: adjusted
``True`` if the clock can be adjusted (e.g. by a NTP daemon), ``False``
otherwise.
.. attribute:: resolution
The resolution of the clock in seconds (:class:`float`).
.. versionadded:: 3.3
.. function:: clock_settime(clk_id, time)
Set the time of the specified clock *clk_id*.
@ -267,7 +243,7 @@ The module defines the following functions and data items:
.. function:: get_clock_info(name)
Get information on the specified clock as a :class:`clock_info` object.
Get information on the specified clock as a namespace object.
Supported clock names and the corresponding functions to read their value
are:
@ -277,6 +253,16 @@ The module defines the following functions and data items:
* ``'process_time'``: :func:`time.process_time`
* ``'time'``: :func:`time.time`
The result has the following attributes:
- *adjusted*: ``True`` if the clock can be adjusted (e.g. by a NTP daemon),
``False`` otherwise
- *implementation*: The name of the underlying C function used to get
the clock value
- *monotonic*: ``True`` if the clock cannot go backward,
``False`` otherwise
- *resolution*: The resolution of the clock in seconds (:class:`float`)
.. versionadded:: 3.3

View File

@ -1124,35 +1124,12 @@ PyDoc_STRVAR(process_time_doc,
Process time for profiling: sum of the kernel and user-space CPU time.");
static PyTypeObject ClockInfoType;
PyDoc_STRVAR(ClockInfo_docstring,
"Clock information");
static PyStructSequence_Field ClockInfo_fields[] = {
{"implementation", "name of the underlying C function "
"used to get the clock value"},
{"monotonic", "True if the clock cannot go backward, False otherwise"},
{"adjusted", "True if the clock can be adjusted "
"(e.g. by a NTP daemon), False otherwise"},
{"resolution", "resolution of the clock in seconds"},
{NULL, NULL}
};
static PyStructSequence_Desc ClockInfo_desc = {
"time.clock_info",
ClockInfo_docstring,
ClockInfo_fields,
4,
};
static PyObject *
time_get_clock_info(PyObject *self, PyObject *args)
{
char *name;
PyObject *obj;
_Py_clock_info_t info;
PyObject *result;
PyObject *obj = NULL, *dict, *ns;
if (!PyArg_ParseTuple(args, "s:get_clock_info", &name))
return NULL;
@ -1191,39 +1168,50 @@ time_get_clock_info(PyObject *self, PyObject *args)
return NULL;
Py_DECREF(obj);
result = PyStructSequence_New(&ClockInfoType);
if (result == NULL)
dict = PyDict_New();
if (dict == NULL)
return NULL;
assert(info.implementation != NULL);
obj = PyUnicode_FromString(info.implementation);
if (obj == NULL)
goto error;
PyStructSequence_SET_ITEM(result, 0, obj);
if (PyDict_SetItemString(dict, "implementation", obj) == -1)
goto error;
Py_CLEAR(obj);
assert(info.monotonic != -1);
obj = PyBool_FromLong(info.monotonic);
if (obj == NULL)
goto error;
PyStructSequence_SET_ITEM(result, 1, obj);
if (PyDict_SetItemString(dict, "monotonic", obj) == -1)
goto error;
Py_CLEAR(obj);
assert(info.adjusted != -1);
obj = PyBool_FromLong(info.adjusted);
if (obj == NULL)
goto error;
PyStructSequence_SET_ITEM(result, 2, obj);
if (PyDict_SetItemString(dict, "adjusted", obj) == -1)
goto error;
Py_CLEAR(obj);
assert(info.resolution > 0.0);
assert(info.resolution <= 1.0);
obj = PyFloat_FromDouble(info.resolution);
if (obj == NULL)
goto error;
PyStructSequence_SET_ITEM(result, 3, obj);
if (PyDict_SetItemString(dict, "resolution", obj) == -1)
goto error;
Py_CLEAR(obj);
return result;
ns = _PyNamespace_New(dict);
Py_DECREF(dict);
return ns;
error:
Py_DECREF(result);
Py_DECREF(dict);
Py_XDECREF(obj);
return NULL;
}
@ -1451,11 +1439,6 @@ PyInit_time(void)
PyStructSequence_InitType(&StructTimeType,
&struct_time_type_desc);
/* initialize ClockInfoType */
PyStructSequence_InitType(&ClockInfoType, &ClockInfo_desc);
Py_INCREF(&ClockInfoType);
PyModule_AddObject(m, "clock_info", (PyObject*)&ClockInfoType);
#ifdef MS_WINDOWS
winver.dwOSVersionInfoSize = sizeof(winver);
if (!GetVersionEx((OSVERSIONINFO*)&winver)) {