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Re: The state of pySerial

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  Re: The state of pySerial MRAB <python@mrabarnett.plus.com> - 2013-05-29 23:34 +0100

#46418 — Re: The state of pySerial

On 29/05/2013 22:38, Terry Jan Reedy wrote:
> On 5/29/2013 4:00 PM, William Ray Wing wrote:
>> On May 29, 2013, at 2:23 PM, Ma Xiaojun <damage3025@gmail.com> wrote:
>>
>>> Hi, all.
>>>
>>> pySerial is probably "the solution" for serial port programming.
>>> Physical serial port is dead on PC but USB-to-Serial give it a second
>>> life. Serial port stuff won't interest end users at all. But it is
>>> still used in the EE world and so on. Arduino uses it to upload
>>> programs. Sensors may use serial port to communicate with PC. GSM
>>> Modem also uses serial port to communicate with PC.
>>>
>>> Unforunately, pySerial project doesn't seem to have a good state. I
>>> find pySerial + Python 3.3 broken on my machine (Python 2.7 is OK) .
>>> There are unanswered outstanding bugs, PyPI page has 2.6 while SF
>>> homepage still gives 2.5.
>>>
>>> Any idea?
>>> --
>>> http://mail.python.org/mailman/listinfo/python-list
>>
>> Let me add another vote/request for pySerial support.  I've been using it with python 2.7 on OS-X, unaware that there wasn't a path forward to python 3.x.  If an external sensor absolutely positively has to be readable, then RS-232 is the only way to go.  USB interfaces can and do lock up if recovery from a power failure puts power on the external side before the computer has finished initializing the CPU side.  RS-232, bless its primitive heart, could care less.
>
> Then 'someone' should ask the author his intentions and offer to help or
> take over.
>
This page:

     http://pyserial.sourceforge.net/pyserial.html#requirements

says:

     "Python 2.3 or newer, including Python 3.x"

> I did some RS-232 interfacing in the  1980s, and once past the fiddly
> start/stop/parity bit, baud rate, and wiring issues, I had a program run
> connected to multiple machines for years with no more interface problems.
>

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