GH-90699: Intern statically allocated strings (GH-93597)

This is similar to how strings are interned for deepfreeze.

1 files changed, 10 insertions, 4 deletions

diff --git a/Tools/scripts/generate_global_objects.py b/Tools/scripts/generate_global_objects.py
index c26491b1d0..27e3530f38 100644
--- a/Tools/scripts/generate_global_objects.py
+++ b/Tools/scripts/generate_global_objects.py
@@ -284,6 +284,15 @@ def generate_runtime_init(identifiers, strings):
                 printer.write('')
                 with printer.block('.tuple_empty =', ','):
                     printer.write('.ob_base = _PyVarObject_IMMORTAL_INIT(&PyTuple_Type, 0)')
+        printer.write('')
+        printer.write("static inline void")
+        with printer.block("_PyUnicode_InitStaticStrings(void)"):
+            printer.write(f'PyObject *string;')
+            for i in sorted(identifiers):
+                # This use of _Py_ID() is ignored by iter_global_strings()
+                # since iter_files() ignores .h files.
+                printer.write(f'string = &_Py_ID({i});')
+                printer.write(f'PyUnicode_InternInPlace(&string);')
         printer.write(END)
         printer.write(after)
 
@@ -314,7 +323,4 @@ def main() -> None:
 
 
 if __name__ == '__main__':
-    import argparse
-    parser = argparse.ArgumentParser()
-    args = parser.parse_args()
-    main(**vars(args))
+    main()