Serial Communication with Python and py27-serial

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normalbloke

I'm having a great deal of trouble doing serial communication with a generic RS232 type serial port and the py27-serial package, otherwise known as pyserial. Whenever I try to open /dev/cuau0 I get the Python exception about the port already being open. I've searched as best I can to find an answer but it seems FreeBSD, Python and serial communications isn't very common. I would appreciate any pointers you might have.

Thanks.

Paddy
 
A few weeks ago, when I was trying to debug what was wrong with my serial ports, I had py27-serial running. Actually works perfectly fine. This is on FreeBSD 9.2, using a USB-to-serial adapter. There must be a thread about that experience somewhere here on the forum; my real problem was probably kernel bugs that make a particular type of motherboard be unsupported.
 
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