def rmtree(path, ignore_errors=False, onerror=None):
    """Recursively delete a directory tree.

    If ignore_errors is set, errors are ignored; otherwise, if onerror
    is set, it is called to handle the error with arguments (func,
    path, err) where func is os.listdir, os.remove, or os.rmdir; path
    is the argument to that function that caused it to fail; and err
    is an os.error exception instance.  If ignore_errors is false and
    onerror is None, an exception is raised.

    """
    def call_and_handle_error(func, path):
        try:
            return func(path)
        except os.error:
            exc = sys.exc_info()
            if onerror is not None:
                onerror(func, path, exc)
            elif not ignore_errors:
                raise    
    
    names = []
    names = call_and_handle_error(os.listdir, path)
    for name in names:
        fullname = os.path.join(path, name)
        if os.path.isdir(fullname) and not os.path.islink(fullname):
            rmtree(fullname, ignore_errors, onerror)
        else:
            call_and_handle_error(os.remove, fullname)

    call_and_handle_error(os.rmdir, path)