repl.py 文件源码

def _start_repl(api):
    # type: (Iota) -> None
    """
    Starts the REPL.
    """
    _banner = (
      'IOTA API client for {uri} ({testnet}) initialized as variable `api`.\n'
      'Type `help(api)` for list of API commands.'.format(
        testnet = 'testnet' if api.testnet else 'mainnet',
        uri     = api.adapter.get_uri(),
      )
    )

    try:
      # noinspection PyUnresolvedReferences
      import IPython
    except ImportError:
      # IPython not available; use regular Python REPL.
      from code import InteractiveConsole
      InteractiveConsole(locals={'api': api}).interact(_banner)
    else:
      # Launch IPython REPL.
      IPython.embed(header=_banner)