En Tue, 20 Oct 2009 18:02:03 -0300, Rodrigo <rodrigos...@gmail.com>
escribió:
Maybe this is not a bug at all, but i have installed python2.5. 3.01
and 3.1.1. In python 2.5 ser. write('this is a string') works just
fine.
On the other hand, with 3.01 and 3.1.1 (pyserial 2.5 rc1) when i do a
ser.write('this is a string') i get the following error"
TypeError: expected <class 'bytes'> or bytearray, got <class 'str'>
Try with ser.write(b'this is a string')
Python 3.0 introduced many changes, one of them is to work with unicode by
default. "abc" used to be a string (of bytes) in 2.x, and u"abc" unicode
text. With Python 3.x, "abc" is unicode (spelled just `str` now) and
b"abc" denotes the `bytes` type (the old str). bytearray is a mutable
variant of the bytes type.
Read the "What's new" document for the 3.0 release:
http://www.python.org/doc/3.0.1/whatsnew/
--
Gabriel Genellina
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