ipcSkillProcess and results buffering

I am using ipcSkillProcess to allow a Python program to send SKILL commands to Virtuoso and consume the results.   It all works very well - I use read on the Python side and it gets back bytes containing the result of evaluating the command sent.

In production I generally haven't seen any problems but in theory it seems I should worry about the length of the results - the read could provide a buffer's worth but there might be more to come.  The manual talks about a 4096 byte buffer but I've certainly got more than that in a single read.  But I have been able to exceed some buffer size somewhere in a testing scenario by making the result of the evaluation very long.  Then my Python program only gets the first part of the results truncated and the rest comes through in the next read.  Not sure if that is a Python or a Virtuoso buffer size.

I could fix that by forcing some delimiters into the results and in Python reading until I get the terminating delimiter but that's a bit constraining on the results format.   Or I could maybe check for the buffer being full somewhere (on the Python side or the Virtuoso side?) and giving an error or special casing it somehow.

Neither seem very attractive.  Is there a sensible standard pattern for handling this?