INNER CODE UNIT · Python

find_free_port

satoshikawato/gbdraw · gbdraw/cli.py:48

def find_free_port():
    """Find a free port on localhost"""
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        s.bind(('127.0.0.1', 0))
        return s.getsockname()[1]

def start_local_server(directory: str):
    """
    Starts a local HTTP server to serve the gbdraw web UI.
    """

    port = find_free_port()

    handler = partial(IsolatedSimpleHTTPRequestHandler, directory=directory)

    try:
        httpd = socketserver.TCPServer(("127.0.0.1", port), handler)
    except OSError as e:

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