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gh-103092: Isolate _tkinter (WIP) #103108

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45f3b7d
Establish global state
erlend-aasland Mar 29, 2023
d09999d
DEBUG: disable test restriction
erlend-aasland Mar 29, 2023
ad27a32
Adapt PyTclObject_Type and move it to module state
erlend-aasland Mar 29, 2023
ae833f8
Adapt Tkapp_Type and add it to module state
erlend-aasland Mar 29, 2023
18b1a42
Adapt Tktt_Type and add it to state
erlend-aasland Mar 29, 2023
6bfafcc
Add Tkinter_TclError to state
erlend-aasland Mar 29, 2023
3d8d5df
Add tcl_lock to state
erlend-aasland Mar 29, 2023
02d4b26
Put error handling vars in module state
erlend-aasland Mar 29, 2023
6610e11
Put Tkinter_busywaitinterval into module state
erlend-aasland Mar 29, 2023
b6ac21d
Put HeadFHCD into module state
erlend-aasland Mar 29, 2023
3d3e881
Put stdin_ready into module state
erlend-aasland Mar 29, 2023
686b69a
Put event_tstate into module state
erlend-aasland Mar 29, 2023
525897d
Purge non-existent valInCmd and trbInCmd
erlend-aasland Mar 29, 2023
ef328cf
Make space for module state
erlend-aasland Mar 29, 2023
3349ad3
Add get-state helpers
erlend-aasland Mar 29, 2023
e04df03
Get rid of most GLOBAL_STATE() use
erlend-aasland Mar 29, 2023
6818bb2
Get rid of more GLOBAL_STATE() calls
erlend-aasland Mar 29, 2023
d3b8f5e
Pull in main
erlend-aasland Apr 19, 2023
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Add Tkinter_TclError to state
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@erlend-aasland
erlend-aasland committed Mar 29, 2023
commit 6bfafccfe86461eb3fc1285e8015ad70508a7962
22 changes: 13 additions & 9 deletions Modules/_tkinter.c
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Original file line number Diff line number Diff line change
Expand Up @@ -319,7 +319,6 @@ typedef struct {

/**** Error Handling ****/

static PyObject *Tkinter_TclError;
static int quitMainLoop = 0;
static int errorInCmd = 0;
static PyObject *excInCmd;
Expand All @@ -336,7 +335,8 @@ Tkinter_Error(TkappObject *self)
{
PyObject *res = Tkapp_UnicodeResult(self);
if (res != NULL) {
PyErr_SetObject(Tkinter_TclError, res);
module_state *st = GLOBAL_STATE();
PyErr_SetObject(st->Tkinter_TclError, res);
Py_DECREF(res);
}
return NULL;
Expand Down Expand Up @@ -1438,7 +1438,8 @@ Tkapp_Call(PyObject *selfptr, PyObject *args)
PyErr_SetRaisedException(exc);
}
else {
PyErr_SetObject(Tkinter_TclError, exc);
module_state *st = GLOBAL_STATE();
PyErr_SetObject(st->Tkinter_TclError, exc);
}
}
Tcl_ConditionFinalize(&cond);
Expand Down Expand Up @@ -2353,7 +2354,8 @@ _tkinter_tkapp_createcommand_impl(TkappObject *self, const char *name,
LEAVE_TCL
}
if (err) {
PyErr_SetString(Tkinter_TclError, "can't create Tcl command");
module_state *st = GLOBAL_STATE();
PyErr_SetString(st->Tkinter_TclError, "can't create Tcl command");
PyMem_Free(data);
return NULL;
}
Expand Down Expand Up @@ -2404,7 +2406,8 @@ _tkinter_tkapp_deletecommand_impl(TkappObject *self, const char *name)
LEAVE_TCL
}
if (err == -1) {
PyErr_SetString(Tkinter_TclError, "can't delete Tcl command");
module_state *st = GLOBAL_STATE();
PyErr_SetString(st->Tkinter_TclError, "can't delete Tcl command");
return NULL;
}
Py_RETURN_NONE;
Expand Down Expand Up @@ -2819,7 +2822,8 @@ _tkinter_tkapp_loadtk_impl(TkappObject *self)
* a static variable.
*/
if (tk_load_failed) {
PyErr_SetString(Tkinter_TclError, TKINTER_LOADTK_ERRMSG);
module_state *st = GLOBAL_STATE();
PyErr_SetString(st->Tkinter_TclError, TKINTER_LOADTK_ERRMSG);
return NULL;
}
#endif
Expand Down Expand Up @@ -3285,12 +3289,13 @@ PyInit__tkinter(void)
Py_DECREF(m);
return NULL;
}
if (PyModule_AddObject(m, "TclError", Py_NewRef(o))) {
if (PyModule_AddObjectRef(m, "TclError", o)) {
Py_DECREF(o);
Py_DECREF(m);
return NULL;
}
Tkinter_TclError = o;
module_state *st = GLOBAL_STATE();
st->Tkinter_TclError = o;

if (PyModule_AddIntConstant(m, "READABLE", TCL_READABLE)) {
Py_DECREF(m);
Expand Down Expand Up @@ -3347,7 +3352,6 @@ PyInit__tkinter(void)
Py_DECREF(m);
return NULL;
}
module_state *st = GLOBAL_STATE();
st->Tkapp_Type = o;

o = PyType_FromMetaclass(NULL, m, &Tktt_Type_spec, NULL);
Expand Down
1 change: 1 addition & 0 deletions Modules/tkinter.h
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Expand Up @@ -28,6 +28,7 @@ typedef struct {
PyObject *PyTclObject_Type;
PyObject *Tkapp_Type;
PyObject *Tktt_Type;
PyObject *Tkinter_TclError;
} module_state;

extern module_state global_state;
Expand Down
1 change: 0 additions & 1 deletion Tools/c-analyzer/cpython/globals-to-fix.tsv
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Expand Up @@ -416,7 +416,6 @@ Modules/xxlimited_35.c - Xxo_Type -
Modules/_ctypes/_ctypes.c - PyExc_ArgError -
Modules/_cursesmodule.c - PyCursesError -
Modules/_decimal/_decimal.c - DecimalException -
Modules/_tkinter.c - Tkinter_TclError -
Modules/ossaudiodev.c - OSSAudioError -
Modules/socketmodule.c - socket_herror -
Modules/socketmodule.c - socket_gaierror -
Expand Down