swap "except" for Python 3.x compatibility in read()
diff --git a/pyserial/serial/serialposix.py b/pyserial/serial/serialposix.py
index cf40490..5c3eb5f 100644
--- a/pyserial/serial/serialposix.py
+++ b/pyserial/serial/serialposix.py
@@ -481,15 +481,17 @@
# but reading returns nothing.
raise SerialException('device reports readiness to read but returned no data (device disconnected or multiple access on port?)')
read.extend(buf)
+ except OSError, e:
+ # this is for Python 3.x where select.error is a subclass of OSError
+ # ignore EAGAIN errors. all other errors are shown
+ if e.errno != errno.EAGAIN:
+ raise SerialException('read failed: %s' % (e,))
except select.error, e:
+ # this is for Python 2.x
# ignore EAGAIN errors. all other errors are shown
# see also http://www.python.org/dev/peps/pep-3151/#select
if e[0] != errno.EAGAIN:
raise SerialException('read failed: %s' % (e,))
- except OSError, e:
- # ignore EAGAIN errors. all other errors are shown
- if e.errno != errno.EAGAIN:
- raise SerialException('read failed: %s' % (e,))
return bytes(read)
def write(self, data):