diff options
| -rw-r--r-- | serial/serialposix.py | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/serial/serialposix.py b/serial/serialposix.py index cf40490..5c3eb5f 100644 --- a/serial/serialposix.py +++ b/serial/serialposix.py @@ -481,15 +481,17 @@ class PosixSerial(SerialBase): # 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): |