gh-125235: Keep _tkinter TCL paths pointing to base installation on Windows (#125250)

y5c4l3 · web-flow · commit b3aa1b5fe260 · 2024-10-11T11:08:03.000+02:00
Signed-off-by: y5c4l3 &lt;y5c4l3@proton.me&gt;
diff --git a/Misc/NEWS.d/next/Library/2024-10-10-18-33-31.gh-issue-125235.0kOB5I.rst b/Misc/NEWS.d/next/Library/2024-10-10-18-33-31.gh-issue-125235.0kOB5I.rst
@@ -0,0 +1,2 @@
+Keep :mod:`tkinter` TCL paths in venv pointing to base installation on
+Windows.
diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
@@ -143,7 +143,7 @@ _get_tcl_lib_path(void)
         struct stat stat_buf;
         int stat_return_value;
 
-        PyObject *prefix = PySys_GetObject("prefix");  // borrowed reference
+        PyObject *prefix = PySys_GetObject("base_prefix");  // borrowed reference
         if (prefix == NULL) {
             return NULL;
         }

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Keep :mod:`tkinter` TCL paths in venv pointing to base installation on
	`2`	`+Windows.`
Original file line number	Diff line number	Diff line change
`@@ -143,7 +143,7 @@ _get_tcl_lib_path(void)`
`143`	`143`	`struct stat stat_buf;`
`144`	`144`	`int stat_return_value;`
`145`	`145`
`146`		`- PyObject *prefix = PySys_GetObject("prefix"); // borrowed reference`
	`146`	`+ PyObject *prefix = PySys_GetObject("base_prefix"); // borrowed reference`
`147`	`147`	`if (prefix == NULL) {`
`148`	`148`	`return NULL;`
`149`	`149`	`}`