diff options
| -rw-r--r-- | pyserial/serial/serialposix.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/pyserial/serial/serialposix.py b/pyserial/serial/serialposix.py index cf77446..f2df972 100644 --- a/pyserial/serial/serialposix.py +++ b/pyserial/serial/serialposix.py @@ -12,7 +12,7 @@ import sys, os, fcntl, termios, struct, string, select import serialutil -VERSION = string.split("$Revision: 1.11 $")[1] #extract CVS version +VERSION = string.split("$Revision: 1.12 $")[1] #extract CVS version PARITY_NONE, PARITY_EVEN, PARITY_ODD = range(3) STOPBITS_ONE, STOPBITS_TWO = (1, 2) @@ -169,14 +169,17 @@ class Serial(serialutil.FileLike): if type(port) == type(''): #strings are taken directly self.portstr = port else: - self.portstr = device(port) #numbers are transformed to a os dependant string + self.portstr = device(port) #numbers are transformed to a os dependant string try: self.fd = os.open(self.portstr, os.O_RDWR|os.O_NOCTTY|os.O_NONBLOCK) except Exception, msg: self.fd = None raise serialutil.SerialException, "could not open port: %s" % msg fcntl.fcntl(self.fd, FCNTL.F_SETFL, 0) #set blocking - self.__tcgetattr() #read current settings + try: + self.__tcgetattr() #read current settings + except termios.error, msg: #if a port is nonexistent but has a /dev file, it'll fail here + raise serialutil.SerialException, "could not open port: %s" % msg #set up raw mode / no echo / binary self.cflag = self.cflag | (TERMIOS.CLOCAL|TERMIOS.CREAD) self.lflag = self.lflag & ~(TERMIOS.ICANON|TERMIOS.ECHO|TERMIOS.ECHOE|TERMIOS.ECHOK|TERMIOS.ECHONL| |