On Tue, 01 Jun 2010 23:43:33 -0700, johnty wrote: > i'm reading bytes from a serial port, and storing it into an array.
An array or a list? > each byte represents a signed 8-bit int. > > currently, the code i'm looking at converts them to an unsigned int by > doing ord(array[i]). however, what i'd like is to get the _signed_ > integer value. whats the easiest way to do this? >>> import array >>> s = 'Some unsigned bytes \xc3\x80\xc3\xa0\xc3\xa6\xc3\x9f\xc2\xb5' >>> array.array('b', s) array('b', [83, 111, 109, 101, 32, 117, 110, 115, 105, 103, 110, 101, 100, 32, 98, 121, 116, 101, 115, 32, -61, -128, -61, -96, -61, -90, -61, -97, -62, -75]) See also the fromstring method of array objects. -- Steven -- http://mail.python.org/mailman/listinfo/python-list