Bump to 0.1.18

[JimyMa]

No description provided.

[gemini-code-assist]

Code Review

This pull request introduces dynamic local TCP host resolution for the PeerAgent to prevent remote peers from receiving unroutable 0.0.0.0 addresses, and adds connection reuse for TCP. It also improves connection failure handling during handshakes, adds a new two-process TCP read example, and bumps the project version to 0.1.18. Feedback was provided to remove a duplicate @staticmethod decorator and optimize _local_ip_for_remote by passing the resolved address tuple directly to sock.connect to avoid redundant DNS lookups.

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dlslime/dlslime/peer_agent/_agent.py (428-441)

There is a duplicate @staticmethod decorator on _local_ip_for_remote. Additionally, when calling sock.connect, we can pass the already resolved address tuple gai[0][4] directly instead of re-resolving remote_host inside connect(). This avoids redundant DNS lookups and is more robust.

    @staticmethod
    def _local_ip_for_remote(remote_host: str) -> str:
        if not remote_host:
            return ""
        try:
            # Resolve the family dynamically to support both IPv4 and IPv6
            gai = socket.getaddrinfo(remote_host, 80, type=socket.SOCK_DGRAM)
            if not gai:
                return ""
            family = gai[0][0]
            with socket.socket(family, socket.SOCK_DGRAM) as sock:
                sock.connect(gai[0][4])
                return sock.getsockname()[0]
        except OSError:
            return ""