Class OriginalCommand

Lib/idlelib/redirector.py:120–149

Callable for original tk command that has been redirected. Returned by .register; can be used in the function registered. redir = WidgetRedirector(text) def my_insert(*args): print("insert", args) original_insert(*args) original_insert = redir.register("insert", my_i

class OriginalCommand:
    '''Callable for original tk command that has been redirected.

    Returned by .register; can be used in the function registered.
    redir = WidgetRedirector(text)
    def my_insert(*args):
        print("insert", args)
        original_insert(*args)
    original_insert = redir.register("insert", my_insert)
    '''

    def __init__(self, redir, operation):
        '''Create .tk_call and .orig_and_operation for .__call__ method.

        .redir and .operation store the input args for __repr__.
        .tk and .orig copy attributes of .redir (probably not needed).
        '''
        self.redir = redir
        self.operation = operation
        self.tk = redir.tk  # redundant with self.redir
        self.orig = redir.orig  # redundant with self.redir
        # These two could be deleted after checking recipient code.
        self.tk_call = redir.tk.call
        self.orig_and_operation = (redir.orig, operation)

    def __repr__(self):
        return f"{self.__class__.__name__,}({self.redir!r}, {self.operation!r})"

    def __call__(self, *args):
        return self.tk_call(self.orig_and_operation + args)


def _widget_redirector(parent):  # htest #