ignore error for status lines in info display

git-svn-id: http://svn.code.sf.net/p/pyserial/code/trunk/pyserial@306 f19166aa-fa4f-0410-85c2-fa1106f25c8a

1 files changed, 11 insertions, 6 deletions

diff --git a/examples/miniterm.py b/examples/miniterm.py
index 25b1e44..7290783 100644
--- a/examples/miniterm.py
+++ b/examples/miniterm.py
@@ -176,12 +176,17 @@ class Miniterm:
         sys.stderr.write('--- hardware flow control %s\n' % (self.serial.rtscts and 'active' or 'inactive'))
         sys.stderr.write('--- data escaping: %s\n' % (REPR_MODES[self.repr_mode],))
         sys.stderr.write('--- linefeed: %s\n' % (LF_MODES[self.convert_outgoing],))
-        sys.stderr.write('--- CTS: %s  DSR: %s  RI: %s  CD: %s\n' % (
-            (self.serial.getCTS() and 'active' or 'inactive'),
-            (self.serial.getDSR() and 'active' or 'inactive'),
-            (self.serial.getRI() and 'active' or 'inactive'),
-            (self.serial.getCD() and 'active' or 'inactive'),
-            ))
+        try:
+            sys.stderr.write('--- CTS: %s  DSR: %s  RI: %s  CD: %s\n' % (
+                (self.serial.getCTS() and 'active' or 'inactive'),
+                (self.serial.getDSR() and 'active' or 'inactive'),
+                (self.serial.getRI() and 'active' or 'inactive'),
+                (self.serial.getCD() and 'active' or 'inactive'),
+                ))
+        except serial.SerialException:
+            # on RFC 2217 ports it can happen to no modem state notification was
+            # yet received. ignore this error.
+            pass
 
     def reader(self):
         """loop and copy serial->console"""