1 # Test to see if openpty works. (But don't worry if it isn't available.)

     2 

     3 import os

     4 from test.test_support import verbose, TestFailed, TestSkipped

     5 

     6 try:

     7     if verbose:

     8         print "Calling os.openpty()"

     9     master, slave = os.openpty()

    10     if verbose:

    11         print "(master, slave) = (%d, %d)"%(master, slave)

    12 except AttributeError:

    13     raise TestSkipped, "No openpty() available."

    14 

    15 if not os.isatty(slave):

    16     raise TestFailed, "Slave-end of pty is not a terminal."

    17 

    18 os.write(slave, 'Ping!')

    19 print os.read(master, 1024)