Merge pull request #14636 from github/tausbn/python-add-support-for-python-3.12-type-syntax

Python: Add support for Python 3.12 type syntax

Author: tausbn

python/downgrades/728c6d65e61d808ae276013ebc15abc3a97aaef1/old.dbscheme

@@ -0,0 +1,18 @@
+// We must wrap the DB types, as these cannot appear in argument lists
+class Stmt_ extends @py_stmt {
+  string toString() { result = "Stmt" }
+}
+
+class StmtList_ extends @py_stmt_list {
+  string toString() { result = "StmtList" }
+}
+
+query predicate py_stmts_without_typealias(Stmt_ id, int kind, StmtList_ parent, int idx) {
+  py_stmts(id, kind, parent, idx) and
+  // From the dbscheme:
+  //
+  // case @py_stmt.kind of
+  // ...
+  // |   27 = @py_TypeAlias;
+  kind != 27
+}