Function caller

crates/vm/src/stdlib/typevar.rs:52–58

Get the module of the caller frame, similar to CPython's caller() function. Returns the module name or None if not found. Note: CPython's implementation (in typevarobject.c) gets the module from the frame's function object using PyFunction_GetModule(f->f_funcobj). However, RustPython's Frame doesn't store a reference to the function object, so we get the module name from the frame's globals dicti

(vm: &VirtualMachine)

    /// RustPython's Frame doesn't store a reference to the function object, so we
    /// get the module name from the frame's globals dictionary instead.
    fn caller(vm: &VirtualMachine) -> Option<PyObjectRef> {
        let frame = vm.current_frame()?;

        // In RustPython, we get the module name from frame's globals
        // This is similar to CPython's sys._getframe().f_globals.get('__name__')
        frame.globals.get_item("__name__", vm).ok()
    }

    /// Set __module__ attribute for an object based on the caller's module.
    /// This follows CPython's behavior for TypeVar and similar objects.