class_docstr: Creates a locahost:port address, with port decided by portpicker.
class_docstr_tok: ["Creates","a","locahost",":","port","address",",","with","port","decided","by","portpicker","."]
code: def __init__(self):
      # This automatically makes use of PORTSERVER_ADDRESS (usually set by test)
      self._address = "localhost:{}".format(
          portpicker.pick_unused_port()
      )
  
file_path: launchpad/launchpad/address.py
imports: import abc
  import os
  import re
  from typing import Optional
  from absl import logging
  import portpicker
label_desc: Use image node_id 1 to create a new SimpleLocalAddressBuilder object from inherited base classes: AbstractAddressBuilder with example: obj = SimpleLocalAddressBuilder()