8000 gh-71587: Isolate `_datetime` by erlend-aasland · Pull Request #102995 · python/cpython · GitHub
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gh-71587: Isolate _datetime #102995

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Closed
wants to merge 33 commits into from
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gh-71587: Isolate _datetime #102995

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00c0ef0
Consistency: use explicit initialiser for m_base
erlend-aasland Feb 15, 2023
d1bbebb
Add module state stub; establish global state on stack
erlend-aasland Feb 15, 2023
efeea77
Put conversion factors in state struct
erlend-aasland Feb 15, 2023
ef4a4c2
Move PyDateTime_TimeZone_UTC to state
erlend-aasland Feb 15, 2023
9e3f693
Move PyDateTime_Epoch to state struct
erlend-aasland Feb 15, 2023
5bd60b2
Remove datetime_strptime globals entry
erlend-aasland Feb 15, 2023
b5c051b
Add heap type machinery
erlend-aasland Feb 15, 2023
0b23934
PyDateTime_DateTimeType
erlend-aasland Feb 21, 2023
9184c37
PyDateTime_DateType
erlend-aasland Feb 21, 2023
d890013
PyDateTime_DeltaType
erlend-aasland Feb 21, 2023
780f261
PyDateTime_IsoCalendarDateType
erlend-aasland Feb 21, 2023
2d16589
Regen clinic
erlend-aasland Feb 21, 2023
5566ce5
PyDateTime_TZInfoType and PyDateTime_TimeZoneType
erlend-aasland Feb 21, 2023
89775f3
PyDateTime_TimeType
erlend-aasland Feb 21, 2023
e798939
Visit and clear all types
erlend-aasland Feb 21, 2023
78e0023
Get rid of GLOBAL_STATE
erlend-aasland Feb 21, 2023
d392c1a
Fix binary ops
erlend-aasland Feb 25, 2023
7aaf57f
Unexpose IsoCalendarType
erlend-aasland Feb 25, 2023
206cdcc
_PyType_GetModuleState
erlend-aasland Feb 25, 2023
304ca28
Pull in main
erlend-aasland Mar 24, 2023
8c53fa1
Remove time/datetime memory optimisation
erlend-aasland Mar 24, 2023
b583954
Remove unused get_module_state_by_cls() helper
erlend-aasland Mar 24, 2023
32211b8
Move _strptime import to state
erlend-aasland Mar 24, 2023
47862e8
Add NEWS
erlend-aasland Mar 24, 2023
4eee17c
Pull in main
erlend-aasland Apr 28, 2023
2be3e95
Pull in main
erlend-aasland Oct 6, 2023
d97dfb0
Fix merge
erlend-aasland Oct 6, 2023
f024817
Apply suggestions from code review
erlend-aasland Oct 6, 2023
c23dd20
Address review: remove unused clinic_state() macro
erlend-aasland Oct 6, 2023
a30bfdb
Improve CREATE_TYPE macro
erlend-aasland Oct 6, 2023
d152b4c
Address review: Py_CLEAR state
erlend-aasland Oct 6, 2023
18b9007
Address review: visit and clear module state in member order
erlend-aasland Oct 6, 2023
0ee2374
Regen clinic
erlend-aasland Oct 6, 2023
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Move _strptime import to state
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@erlend-aasland
erlend-aasland committed Mar 24, 2023
commit 32211b893d96c21cb11cd8c5d1c9e58343e33f74
19 changes: 13 additions & 6 deletions Modules/_datetimemodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,9 @@ typedef struct {
/* The interned Epoch datetime instance */
PyObject *PyDateTime_Epoch;

/* strptime import */
PyObject *strptime;

/* Types */
PyTypeObject *PyDateTime_DateTimeType;
PyTypeObject *PyDateTime_DateType;
Expand Down Expand Up @@ -5225,19 +5228,21 @@ datetime_utcfromtimestamp(PyObject *cls, PyObject *args)
static PyObject *
datetime_strptime(PyObject *cls, PyObject *args)
{
static PyObject *module = NULL;
PyObject *string, *format;

if (!PyArg_ParseTuple(args, "UU:strptime", &string, &format))
return NULL;

if (module == NULL) {
module = PyImport_ImportModule("_strptime");
if (module == NULL)
datetime_state *st = find_module_state_by_def(cls);
if (st->strptime == NULL) {
st->strptime = PyImport_ImportModule("_strptime");
if (st->strptime == NULL) {
return NULL;
}
}
return PyObject_CallMethodObjArgs(module, &_Py_ID(_strptime_datetime),
cls, string, format, NULL);
return PyObject_CallMethodObjArgs(st->strptime,
&_Py_ID(_strptime_datetime),
cls, string, format, NULL);
}

/* Return new datetime from date/datetime and time arguments. */
Expand Down Expand Up @@ -6937,6 +6942,7 @@ module_traverse(PyObject *module, visitproc visit, void *arg)
Py_VISIT(state->us_per_day);
Py_VISIT(state->us_per_week);
Py_VISIT(state->seconds_per_day);
Py_VISIT(state->strptime);
Py_VISIT(state->PyDateTime_TimeZone_UTC);
Py_VISIT(state->PyDateTime_Epoch);
Py_VISIT(state->PyDateTime_DateTimeType);
Expand All @@ -6960,6 +6966,7 @@ module_clear(PyObject *module)
Py_CLEAR(state->us_per_day);
Py_CLEAR(state->us_per_week);
Py_CLEAR(state->seconds_per_day);
Py_CLEAR(state->strptime);
Py_CLEAR(state->PyDateTime_TimeZone_UTC);
Py_CLEAR(state->PyDateTime_Epoch);
Py_CLEAR(state->PyDateTime_DateTimeType);
Expand Down
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