socks.py 文件源码

def create_connection(dest_pair, proxy_type=None, proxy_addr=None,
                      proxy_port=None, proxy_username=None,
                      proxy_password=None, timeout=None,
                      source_address=None):
    """create_connection(dest_pair, *[, timeout], **proxy_args) -> socket object

    Like socket.create_connection(), but connects to proxy
    before returning the socket object.

    dest_pair - 2-tuple of (IP/hostname, port).
    **proxy_args - Same args passed to socksocket.set_proxy() if present.
    timeout - Optional socket timeout value, in seconds.
    source_address - tuple (host, port) for the socket to bind to as its source
    address before connecting (only for compatibility)
    """
    sock = socksocket()
    if isinstance(timeout, (int, float)):
        sock.settimeout(timeout)
    if proxy_type is not None:
        sock.set_proxy(proxy_type, proxy_addr, proxy_port,
                       proxy_username, proxy_password)
    sock.connect(dest_pair)
    return sock