def XConnect():
name, host, displayno, screenno = xnet.get_X_display()
xsock = xnet.get_X_socket(host, displayno)
auth_name, auth_data = xnet.get_X_auth(xsock, name, host, displayno)
byte_order = xnet.get_X_byteorder()
rq = XConnectRequest(byte_order, 11, 0, auth_name, auth_data)
xreply = Xchange(xsock, rq)
if xreply[0] == '\x00':
repobj = XConnectRefusedReply(xreply)
raise xnet.XConnectionError(repobj.reason)
elif xreply[0] == '\x01':
repobj = XConnectAcceptedReply(xreply)
elif xreply[0] == '\x02':
repobj = XConnectAuthenticateReply(xreply)
raise xnet.XConnectionError(repobj.reason)
else:
raise xnet.XConnectionError('Unknown connection failure')
return xsock, repobj
def Xchange(xsock, rq):
xreply = ''
try:
xsock.send(rq.encoding)
xreply = xsock.recv(65535) # TODO make sure it fits
except socket.error, err:
raise xnet.XConnectionError('Network error: %s' % err[1])