def __init__(self, block, n, dir):
"""
Make a new port from nested data.
def __init__(self, block, n, dir):
"""
Make a new port from nested data.
def is_port(self): return True
def get_color(self): return '#FFFFFF'
def get_name(self): return self._name
def is_port(self): return True
def get_color(self): return '#FFFFFF'
def get_name(self): return self._name