Update of /cvsroot/python/python/dist/src/Modules
In directory sc8-pr-cvs1:/tmp/cvs-serv32300/python/Modules
Modified Files:
datetimemodule.c
Log Message:
A step on the way to making tzinfo classes writable by mortals: get rid
of the timetz case. A tzinfo method will always see a datetimetz arg,
or None, now. In the former case, it's still possible that it will get
a datetimetz argument belonging to a different timezone. That will get
fixed next.
Index: datetimemodule.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Modules/datetimemodule.c,v
retrieving revision 1.18
retrieving revision 1.19
diff -C2 -d -r1.18 -r1.19
*** datetimemodule.c 27 Dec 2002 02:26:16 -0000 1.18
--- datetimemodule.c 30 Dec 2002 20:52:32 -0000 1.19
***************
*** 565,577 ****
}
! /* Return tzinfo.methname(self), without any checking of results.
* If tzinfo is None, returns None.
*/
static PyObject *
! call_tzinfo_method(PyObject *self, PyObject *tzinfo, char *methname)
{
PyObject *result;
! assert(self && tzinfo && methname);
assert(check_tzinfo_subclass(tzinfo) >= 0);
if (tzinfo == Py_None) {
--- 565,577 ----
}
! /* Return tzinfo.methname(tzinfoarg), without any checking of results.
* If tzinfo is None, returns None.
*/
static PyObject *
! call_tzinfo_method(PyObject *tzinfo, char *methname, PyObject *tzinfoarg)
{
PyObject *result;
! assert(tzinfo && methname && tzinfoarg);
assert(check_tzinfo_subclass(tzinfo) >= 0);
if (tzinfo == Py_None) {
***************
*** 580,584 ****
}
else
! result = PyObject_CallMethod(tzinfo, methname, "O", self);
return result;
}
--- 580,584 ----
}
else
! result = PyObject_CallMethod(tzinfo, methname, "O", tzinfoarg);
return result;
}
***************
*** 613,618 ****
}
! /* Internal helper.
! * Call getattr(tzinfo, name)(tzinfoarg), and extract an int from the
* result. tzinfo must be an instance of the tzinfo class. If the method
* returns None, this returns 0 and sets *none to 1. If the method doesn't
--- 613,618 ----
}
!
! /* Call getattr(tzinfo, name)(tzinfoarg), and extract an int from the
* result. tzinfo must be an instance of the tzinfo class. If the method
* returns None, this returns 0 and sets *none to 1. If the method doesn't
***************
*** 636,640 ****
*none = 0;
! u = call_tzinfo_method(tzinfoarg, tzinfo, name);
if (u == NULL)
return -1;
--- 636,640 ----
*none = 0;
! u = call_tzinfo_method(tzinfo, name, tzinfoarg);
if (u == NULL)
return -1;
***************
*** 703,711 ****
static PyObject *new_delta(int d, int sec, int usec, int normalize);
! /* Call tzinfo.name(self) and return the offset as a timedelta or None. */
static PyObject *
! offset_as_timedelta(PyObject *self, PyObject *tzinfo, char *name) {
PyObject *result;
if (tzinfo == Py_None) {
result = Py_None;
--- 703,713 ----
static PyObject *new_delta(int d, int sec, int usec, int normalize);
! /* Call tzinfo.name(tzinfoarg), and return the offset as a timedelta or None.
! */
static PyObject *
! offset_as_timedelta(PyObject *tzinfo, char *name, PyObject *tzinfoarg) {
PyObject *result;
+ assert(tzinfo && name && tzinfoarg);
if (tzinfo == Py_None) {
result = Py_None;
***************
*** 714,718 ****
else {
int none;
! int offset = call_utc_tzinfo_method(tzinfo, name, self, &none);
if (offset < 0 && PyErr_Occurred())
return NULL;
--- 716,721 ----
else {
int none;
! int offset = call_utc_tzinfo_method(tzinfo, name, tzinfoarg,
! &none);
if (offset < 0 && PyErr_Occurred())
return NULL;
***************
*** 741,757 ****
}
! /* Call tzinfo.tzname(self), and return the result. tzinfo must be
* an instance of the tzinfo class or None. If tzinfo isn't None, and
! * tzname() doesn't return None ora string, TypeError is raised and this
* returns NULL.
*/
static PyObject *
! call_tzname(PyObject *self, PyObject *tzinfo)
{
PyObject *result;
- assert(self != NULL);
assert(tzinfo != NULL);
assert(check_tzinfo_subclass(tzinfo) >= 0);
if (tzinfo == Py_None) {
--- 744,760 ----
}
! /* Call tzinfo.tzname(tzinfoarg), and return the result. tzinfo must be
* an instance of the tzinfo class or None. If tzinfo isn't None, and
! * tzname() doesn't return None or a string, TypeError is raised and this
* returns NULL.
*/
static PyObject *
! call_tzname(PyObject *tzinfo, PyObject *tzinfoarg)
{
PyObject *result;
assert(tzinfo != NULL);
assert(check_tzinfo_subclass(tzinfo) >= 0);
+ assert(tzinfoarg != NULL);
if (tzinfo == Py_None) {
***************
*** 760,764 ****
}
else
! result = PyObject_CallMethod(tzinfo, "tzname", "O", self);
if (result != NULL && result != Py_None && ! PyString_Check(result)) {
--- 763,767 ----
}
else
! result = PyObject_CallMethod(tzinfo, "tzname", "O", tzinfoarg);
if (result != NULL && result != Py_None && ! PyString_Check(result)) {
***************
*** 817,821 ****
OFFSET_NAIVE : OFFSET_UNKNOWN;
}
! *offset = call_utcoffset(tzinfo, op, &none);
if (*offset == -1 && PyErr_Occurred())
return OFFSET_ERROR;
--- 820,826 ----
OFFSET_NAIVE : OFFSET_UNKNOWN;
}
! *offset = call_utcoffset(tzinfo,
! PyTimeTZ_Check(op) ? Py_None : op,
! &none);
if (*offset == -1 && PyErr_Occurred())
return OFFSET_ERROR;
***************
*** 952,958 ****
* giving special meanings to the %z and %Z format codes via a preprocessing
* step on the format string.
*/
static PyObject *
! wrap_strftime(PyObject *object, PyObject *format, PyObject *timetuple)
{
PyObject *result = NULL; /* guilty until proved innocent */
--- 957,966 ----
* giving special meanings to the %z and %Z format codes via a preprocessing
* step on the format string.
+ * tzinfoarg is the argument to pass to the object's tzinfo method, if
+ * needed.
*/
static PyObject *
! wrap_strftime(PyObject *object, PyObject *format, PyObject *timetuple,
! PyObject *tzinfoarg)
{
PyObject *result = NULL; /* guilty until proved innocent */
***************
*** 1032,1040 ****
if (zreplacement == NULL) goto Done;
if (tzinfo != Py_None && tzinfo != NULL) {
if (format_utcoffset(buf,
sizeof(buf),
"",
tzinfo,
! object) < 0)
goto Done;
Py_DECREF(zreplacement);
--- 1040,1049 ----
if (zreplacement == NULL) goto Done;
if (tzinfo != Py_None && tzinfo != NULL) {
+ assert(tzinfoarg != NULL);
if (format_utcoffset(buf,
sizeof(buf),
"",
tzinfo,
! tzinfoarg) < 0)
goto Done;
Py_DECREF(zreplacement);
***************
*** 1054,1059 ****
if (Zreplacement == NULL) goto Done;
if (tzinfo != Py_None && tzinfo != NULL) {
! PyObject *temp = call_tzname(object,
! tzinfo);
if (temp == NULL) goto Done;
if (temp != Py_None) {
--- 1063,1069 ----
if (Zreplacement == NULL) goto Done;
if (tzinfo != Py_None && tzinfo != NULL) {
! PyObject *temp;
! assert(tzinfoarg != NULL);
! temp = call_tzname(tzinfo, tzinfoarg);
if (temp == NULL) goto Done;
if (temp != Py_None) {
***************
*** 2425,2429 ****
if (tuple == NULL)
return NULL;
! result = wrap_strftime((PyObject *)self, format, tuple);
Py_DECREF(tuple);
return result;
--- 2435,2440 ----
if (tuple == NULL)
return NULL;
! result = wrap_strftime((PyObject *)self, format, tuple,
! (PyObject *)self);
Py_DECREF(tuple);
return result;
***************
*** 3653,3657 ****
return NULL;
assert(PyTuple_Size(tuple) == 9);
! result = wrap_strftime((PyObject *)self, format, tuple);
Py_DECREF(tuple);
return result;
--- 3664,3668 ----
return NULL;
assert(PyTuple_Size(tuple) == 9);
! result = wrap_strftime((PyObject *)self, format, tuple, Py_None);
Py_DECREF(tuple);
return result;
***************
*** 4141,4156 ****
static PyObject *
timetz_utcoffset(PyDateTime_TimeTZ *self, PyObject *unused) {
! return offset_as_timedelta((PyObject *)self, self->tzinfo,
! "utcoffset");
}
static PyObject *
timetz_dst(PyDateTime_TimeTZ *self, PyObject *unused) {
! return offset_as_timedelta((PyObject *)self, self->tzinfo, "dst");
}
static PyObject *
timetz_tzname(PyDateTime_TimeTZ *self, PyObject *unused) {
! return call_tzname((PyObject *)self, self->tzinfo);
}
--- 4152,4166 ----
static PyObject *
timetz_utcoffset(PyDateTime_TimeTZ *self, PyObject *unused) {
! return offset_as_timedelta(self->tzinfo, "utcoffset", Py_None);
}
static PyObject *
timetz_dst(PyDateTime_TimeTZ *self, PyObject *unused) {
! return offset_as_timedelta(self->tzinfo, "dst", Py_None);
}
static PyObject *
timetz_tzname(PyDateTime_TimeTZ *self, PyObject *unused) {
! return call_tzname(self->tzinfo, Py_None);
}
***************
*** 4182,4186 ****
/* We need to append the UTC offset. */
if (format_utcoffset(buf, sizeof(buf), ":", self->tzinfo,
! (PyObject *)self) < 0) {
Py_DECREF(result);
return NULL;
--- 4192,4196 ----
/* We need to append the UTC offset. */
if (format_utcoffset(buf, sizeof(buf), ":", self->tzinfo,
! Py_None) < 0) {
Py_DECREF(result);
return NULL;
***************
*** 4235,4239 ****
offset = 0;
if (self->tzinfo != Py_None) {
! offset = call_utcoffset(self->tzinfo, (PyObject *)self, &none);
if (offset == -1 && PyErr_Occurred())
return -1;
--- 4245,4249 ----
offset = 0;
if (self->tzinfo != Py_None) {
! offset = call_utcoffset(self->tzinfo, Py_None, &none);
if (offset == -1 && PyErr_Occurred())
return -1;
***************
*** 4544,4559 ****
static PyObject *
datetimetz_utcoffset(PyDateTime_DateTimeTZ *self, PyObject *unused) {
! return offset_as_timedelta((PyObject *)self, self->tzinfo,
! "utcoffset");
}
static PyObject *
datetimetz_dst(PyDateTime_DateTimeTZ *self, PyObject *unused) {
! return offset_as_timedelta((PyObject *)self, self->tzinfo, "dst");
}
static PyObject *
datetimetz_tzname(PyDateTime_DateTimeTZ *self, PyObject *unused) {
! return call_tzname((PyObject *)self, self->tzinfo);
}
--- 4554,4569 ----
static PyObject *
datetimetz_utcoffset(PyDateTime_DateTimeTZ *self, PyObject *unused) {
! return offset_as_timedelta(self->tzinfo, "utcoffset",
! (PyObject *)self);
}
static PyObject *
datetimetz_dst(PyDateTime_DateTimeTZ *self, PyObject *unused) {
! return offset_as_timedelta(self->tzinfo, "dst", (PyObject *)self);
}
static PyObject *
datetimetz_tzname(PyDateTime_DateTimeTZ *self, PyObject *unused) {
! return call_tzname(self->tzinfo, (PyObject *)self);
}
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