From 7b0e56bb211ab5880d08b5cc159c9744c34601a8 Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Tue, 30 Aug 2022 09:21:24 +1000
Subject: [PATCH] Removed support for Python before interpaddr()

---
 src/PIL/ImageTk.py | 23 ++++++++++-------------
 src/_imagingtk.c   | 21 ++-------------------
 2 files changed, 12 insertions(+), 32 deletions(-)

diff --git a/src/PIL/ImageTk.py b/src/PIL/ImageTk.py
index c2c4d774c59..33c0cdacc93 100644
--- a/src/PIL/ImageTk.py
+++ b/src/PIL/ImageTk.py
@@ -68,21 +68,18 @@ def _pyimagingtkcall(command, photo, id):
         # may raise an error if it cannot attach to Tkinter
         from . import _imagingtk
 
-        try:
-            if hasattr(tk, "interp"):
-                # Required for PyPy, which always has CFFI installed
-                from cffi import FFI
+        if hasattr(tk, "interp"):
+            # Required for PyPy, which always has CFFI installed
+            from cffi import FFI
 
-                ffi = FFI()
+            ffi = FFI()
 
-                # PyPy is using an FFI CDATA element
-                # (Pdb) self.tk.interp
-                #  <cdata 'Tcl_Interp *' 0x3061b50>
-                _imagingtk.tkinit(int(ffi.cast("uintptr_t", tk.interp)), 1)
-            else:
-                _imagingtk.tkinit(tk.interpaddr(), 1)
-        except AttributeError:
-            _imagingtk.tkinit(id(tk), 0)
+            # PyPy is using an FFI CDATA element
+            # (Pdb) self.tk.interp
+            #  <cdata 'Tcl_Interp *' 0x3061b50>
+            _imagingtk.tkinit(int(ffi.cast("uintptr_t", tk.interp)))
+        else:
+            _imagingtk.tkinit(tk.interpaddr())
         tk.call(command, photo, id)
 
 
diff --git a/src/_imagingtk.c b/src/_imagingtk.c
index 3f154166b9d..b9273b0b882 100644
--- a/src/_imagingtk.c
+++ b/src/_imagingtk.c
@@ -23,33 +23,16 @@ TkImaging_Init(Tcl_Interp *interp);
 extern int
 load_tkinter_funcs(void);
 
-/* copied from _tkinter.c (this isn't as bad as it may seem: for new
-   versions, we use _tkinter's interpaddr hook instead, and all older
-   versions use this structure layout) */
-
-typedef struct {
-    PyObject_HEAD Tcl_Interp *interp;
-} TkappObject;
-
 static PyObject *
 _tkinit(PyObject *self, PyObject *args) {
     Tcl_Interp *interp;
 
     PyObject *arg;
-    int is_interp;
-    if (!PyArg_ParseTuple(args, "Oi", &arg, &is_interp)) {
+    if (!PyArg_ParseTuple(args, "O", &arg)) {
         return NULL;
     }
 
-    if (is_interp) {
-        interp = (Tcl_Interp *)PyLong_AsVoidPtr(arg);
-    } else {
-        TkappObject *app;
-        /* Do it the hard way.  This will break if the TkappObject
-        layout changes */
-        app = (TkappObject *)PyLong_AsVoidPtr(arg);
-        interp = app->interp;
-    }
+    interp = (Tcl_Interp *)PyLong_AsVoidPtr(arg);
 
     /* This will bomb if interp is invalid... */
     TkImaging_Init(interp);