Function connect

websocket/_http.py:126–160

(url: str, options, proxy, socket)

def connect(url: str, options, proxy, socket):
    # Use _start_proxied_socket() only for socks4 or socks5 proxy
    # Use _tunnel() for http proxy
    # TODO: Use python-socks for http protocol also, to standardize flow
    if proxy.proxy_host and not socket and proxy.proxy_protocol != "http":
        return _start_proxied_socket(url, options, proxy)

    hostname, port_from_url, resource, is_secure = parse_url(url)

    if socket:
        return socket, (hostname, port_from_url, resource)

    addrinfo_list, need_tunnel, auth = _get_addrinfo_list(
        hostname, port_from_url, is_secure, proxy
    )
    if not addrinfo_list:
        raise WebSocketException(f"Host not found.: {hostname}:{port_from_url}")

    sock = None
    try:
        sock = _open_socket(addrinfo_list, options.sockopt, options.timeout)
        if need_tunnel:
            sock = _tunnel(sock, hostname, port_from_url, auth)

        if is_secure:
            if HAVE_SSL:
                sock = _ssl_socket(sock, options.sslopt, hostname)
            else:
                raise WebSocketException("SSL not available.")

        return sock, (hostname, port_from_url, resource)
    except:
        if sock:
            sock.close()
        raise


def _get_addrinfo_list(hostname, port: int, is_secure: bool, proxy) -> tuple: