def test_basic_pty():
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'"%(master_fd, slave_name))
debug("Calling slave_open(%r)"%(slave_name,))
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'"%slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise TestSkipped, "Pseudo-terminals (seemingly) not functional."
if not os.isatty(slave_fd):
raise TestFailed, "slave_fd is not a tty"
debug("Writing to slave_fd")
os.write(slave_fd, TEST_STRING_1)
s1 = os.read(master_fd, 1024)
sys.stdout.write(normalize_output(s1))
debug("Writing chunked output")
os.write(slave_fd, TEST_STRING_2[:5])
os.write(slave_fd, TEST_STRING_2[5:])
s2 = os.read(master_fd, 1024)
sys.stdout.write(normalize_output(s2))
os.close(slave_fd)
os.close(master_fd)
def test_basic_pty():
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'" % (master_fd, slave_name))
debug("Calling slave_open(%r)" % (slave_name, ))
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'" % slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise TestSkipped, "Pseudo-terminals (seemingly) not functional."
if not os.isatty(slave_fd) and sys.platform not in fickle_isatty:
raise TestFailed, "slave_fd is not a tty"
# IRIX apparently turns \n into \r\n. Allow that, but avoid allowing other
# differences (like extra whitespace, trailing garbage, etc.)
debug("Writing to slave_fd")
os.write(slave_fd, TEST_STRING_1)
s1 = os.read(master_fd, 1024)
sys.stdout.write(s1.replace("\r\n", "\n"))
debug("Writing chunked output")
os.write(slave_fd, TEST_STRING_2[:5])
os.write(slave_fd, TEST_STRING_2[5:])
s2 = os.read(master_fd, 1024)
sys.stdout.write(s2.replace("\r\n", "\n"))
os.close(slave_fd)
os.close(master_fd)
def test_basic(self):
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'" %
(master_fd, slave_name))
debug("Calling slave_open(%r)" % (slave_name, ))
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'" % slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise unittest.SkipTest, "Pseudo-terminals (seemingly) not functional."
self.assertTrue(os.isatty(slave_fd), 'slave_fd is not a tty')
# Solaris requires reading the fd before anything is returned.
# My guess is that since we open and close the slave fd
# in master_open(), we need to read the EOF.
# Ensure the fd is non-blocking in case there's nothing to read.
orig_flags = fcntl.fcntl(master_fd, fcntl.F_GETFL)
fcntl.fcntl(master_fd, fcntl.F_SETFL, orig_flags | os.O_NONBLOCK)
try:
s1 = os.read(master_fd, 1024)
self.assertEqual('', s1)
except OSError, e:
if e.errno != errno.EAGAIN:
raise
def test_basic(self):
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'" %
(master_fd, slave_name))
debug("Calling slave_open(%r)" % (slave_name,))
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'" % slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise TestSkipped, "Pseudo-terminals (seemingly) not functional."
self.assertTrue(os.isatty(slave_fd), 'slave_fd is not a tty')
# Solaris requires reading the fd before anything is returned.
# My guess is that since we open and close the slave fd
# in master_open(), we need to read the EOF.
# Ensure the fd is non-blocking in case there's nothing to read.
orig_flags = fcntl.fcntl(master_fd, fcntl.F_GETFL)
fcntl.fcntl(master_fd, fcntl.F_SETFL, orig_flags | os.O_NONBLOCK)
try:
s1 = os.read(master_fd, 1024)
self.assertEquals('', s1)
except OSError, e:
if e.errno != errno.EAGAIN:
raise
def test_basic_pty():
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'"%(master_fd, slave_name))
debug("Calling slave_open(%r)"%(slave_name,))
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'"%slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise TestSkipped, "Pseudo-terminals (seemingly) not functional."
if not os.isatty(slave_fd) and sys.platform not in fickle_isatty:
raise TestFailed, "slave_fd is not a tty"
# IRIX apparently turns \n into \r\n. Allow that, but avoid allowing other
# differences (like extra whitespace, trailing garbage, etc.)
debug("Writing to slave_fd")
os.write(slave_fd, TEST_STRING_1)
s1 = os.read(master_fd, 1024)
sys.stdout.write(s1.replace("\r\n", "\n"))
debug("Writing chunked output")
os.write(slave_fd, TEST_STRING_2[:5])
os.write(slave_fd, TEST_STRING_2[5:])
s2 = os.read(master_fd, 1024)
sys.stdout.write(s2.replace("\r\n", "\n"))
os.close(slave_fd)
os.close(master_fd)
def test_basic_pty():
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'" % (master_fd, slave_name))
debug("Calling slave_open(%r)" % (slave_name, ))
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'" % slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise TestSkipped, "Pseudo-terminals (seemingly) not functional."
if not os.isatty(slave_fd):
raise TestFailed, "slave_fd is not a tty"
debug("Writing to slave_fd")
os.write(slave_fd, TEST_STRING_1)
s1 = os.read(master_fd, 1024)
sys.stdout.write(normalize_output(s1))
debug("Writing chunked output")
os.write(slave_fd, TEST_STRING_2[:5])
os.write(slave_fd, TEST_STRING_2[5:])
s2 = os.read(master_fd, 1024)
sys.stdout.write(normalize_output(s2))
os.close(slave_fd)
os.close(master_fd)
def test_basic(self):
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'" %
(master_fd, slave_name))
debug("Calling slave_open(%r)" % (slave_name, ))
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'" % slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise unittest.SkipTest(
"Pseudo-terminals (seemingly) not functional.")
self.assertTrue(os.isatty(slave_fd), 'slave_fd is not a tty')
# Solaris requires reading the fd before anything is returned.
# My guess is that since we open and close the slave fd
# in master_open(), we need to read the EOF.
# Ensure the fd is non-blocking in case there's nothing to read.
blocking = os.get_blocking(master_fd)
try:
os.set_blocking(master_fd, False)
try:
s1 = os.read(master_fd, 1024)
self.assertEqual(b'', s1)
except OSError as e:
if e.errno != errno.EAGAIN:
raise
finally:
# Restore the original flags.
os.set_blocking(master_fd, blocking)
debug("Writing to slave_fd")
os.write(slave_fd, TEST_STRING_1)
s1 = _readline(master_fd)
self.assertEqual(b'I wish to buy a fish license.\n',
normalize_output(s1))
debug("Writing chunked output")
os.write(slave_fd, TEST_STRING_2[:5])
os.write(slave_fd, TEST_STRING_2[5:])
s2 = _readline(master_fd)
self.assertEqual(b'For my pet fish, Eric.\n', normalize_output(s2))
os.close(slave_fd)
# closing master_fd can raise a SIGHUP if the process is
# the session leader: we installed a SIGHUP signal handler
# to ignore this signal.
os.close(master_fd)
def test_basic(self):
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'" %
(master_fd, slave_name))
debug("Calling slave_open(%r)" % (slave_name,))
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'" % slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise unittest.SkipTest("Pseudo-terminals (seemingly) not functional.")
self.assertTrue(os.isatty(slave_fd), 'slave_fd is not a tty')
# Solaris requires reading the fd before anything is returned.
# My guess is that since we open and close the slave fd
# in master_open(), we need to read the EOF.
# Ensure the fd is non-blocking in case there's nothing to read.
blocking = os.get_blocking(master_fd)
try:
os.set_blocking(master_fd, False)
try:
s1 = os.read(master_fd, 1024)
self.assertEqual(b'', s1)
except OSError as e:
if e.errno != errno.EAGAIN:
raise
finally:
# Restore the original flags.
os.set_blocking(master_fd, blocking)
debug("Writing to slave_fd")
os.write(slave_fd, TEST_STRING_1)
s1 = _readline(master_fd)
self.assertEqual(b'I wish to buy a fish license.\n',
normalize_output(s1))
debug("Writing chunked output")
os.write(slave_fd, TEST_STRING_2[:5])
os.write(slave_fd, TEST_STRING_2[5:])
s2 = _readline(master_fd)
self.assertEqual(b'For my pet fish, Eric.\n', normalize_output(s2))
os.close(slave_fd)
os.close(master_fd)
def test_basic(self):
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'" %
(master_fd, slave_name))
debug("Calling slave_open(%r)" % (slave_name, ))
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'" % slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise unittest.SkipTest(
"Pseudo-terminals (seemingly) not functional.")
self.assertTrue(os.isatty(slave_fd), 'slave_fd is not a tty')
# Solaris requires reading the fd before anything is returned.
# My guess is that since we open and close the slave fd
# in master_open(), we need to read the EOF.
# Ensure the fd is non-blocking in case there's nothing to read.
orig_flags = fcntl.fcntl(master_fd, fcntl.F_GETFL)
fcntl.fcntl(master_fd, fcntl.F_SETFL, orig_flags | os.O_NONBLOCK)
try:
s1 = os.read(master_fd, 1024)
self.assertEqual(b'', s1)
except OSError as e:
if e.errno != errno.EAGAIN:
raise
# Restore the original flags.
fcntl.fcntl(master_fd, fcntl.F_SETFL, orig_flags)
debug("Writing to slave_fd")
os.write(slave_fd, TEST_STRING_1)
s1 = os.read(master_fd, 1024)
self.assertEqual(b'I wish to buy a fish license.\n',
normalize_output(s1))
debug("Writing chunked output")
os.write(slave_fd, TEST_STRING_2[:5])
os.write(slave_fd, TEST_STRING_2[5:])
s2 = os.read(master_fd, 1024)
self.assertEqual(b'For my pet fish, Eric.\n', normalize_output(s2))
os.close(slave_fd)
os.close(master_fd)
def start_serial(self,var):
"""Create a pseudo serial port pair, and start listening for data on
the server port. The slave port name is declared in an environment
variable var, so drvAsynSerialPortConfigure should connect to $(var)"""
if self.started:
self.diagnostic("Server already started")
else:
self.inq, self.outq = Queue.Queue(), Queue.Queue()
self.started = True
# create a pseudo serial port, open slave port so listening doesn't fail
self.mfd,sname = pty.master_open()
self.sfd = pty.slave_open(sname)
# start to listen on the master port
self.__daemon(self.__serial_in)
# start to respond to any messages put on the outq
self.__daemon(self.__serial_out)
# start the worker thread
self.__daemon(self.__process)
# put the portname for the IOC to connect to in var
os.environ[var] = sname
def start_serial(self, var):
"""Create a pseudo serial port pair, and start listening for data on
the server port. The slave port name is declared in an environment
variable var, so drvAsynSerialPortConfigure should connect to $(var)"""
if self.started:
self.diagnostic("Server already started")
else:
self.inq, self.outq = Queue.Queue(), Queue.Queue()
self.started = True
# create a pseudo serial port, open slave port so listening doesn't fail
self.mfd, sname = pty.master_open()
self.sfd = pty.slave_open(sname)
# start to listen on the master port
self.__daemon(self.__serial_in)
# start to respond to any messages put on the outq
self.__daemon(self.__serial_out)
# start the worker thread
self.__daemon(self.__process)
# put the portname for the IOC to connect to in var
os.environ[var] = sname
def test_basic(self):
try:
debug('Calling master_open()')
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'" %
(master_fd, slave_name))
debug('Calling slave_open(%r)' % (slave_name, ))
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'" % slave_fd)
except OSError:
raise unittest.SkipTest(
'Pseudo-terminals (seemingly) not functional.')
self.assertTrue(os.isatty(slave_fd), 'slave_fd is not a tty')
blocking = os.get_blocking(master_fd)
try:
os.set_blocking(master_fd, False)
try:
s1 = os.read(master_fd, 1024)
self.assertEqual(b'', s1)
except OSError as e:
if e.errno != errno.EAGAIN:
raise
finally:
os.set_blocking(master_fd, blocking)
debug('Writing to slave_fd')
os.write(slave_fd, TEST_STRING_1)
s1 = os.read(master_fd, 1024)
self.assertEqual(b'I wish to buy a fish license.\n',
normalize_output(s1))
debug('Writing chunked output')
os.write(slave_fd, TEST_STRING_2[:5])
os.write(slave_fd, TEST_STRING_2[5:])
s2 = os.read(master_fd, 1024)
self.assertEqual(b'For my pet fish, Eric.\n', normalize_output(s2))
os.close(slave_fd)
os.close(master_fd)
import pty, os, sys
from test_support import verbose, TestFailed, TestSkipped
TEST_STRING_1 = "I wish to buy a fish license.\n"
TEST_STRING_2 = "For my pet fish, Eric.\n"
if verbose:
def debug(msg):
print msg
else:
def debug(msg):
pass
# Marginal testing of pty suite. Cannot do extensive 'do or fail' testing
# because pty code is not too portable.
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'"%(master_fd, slave_name))
debug("Calling slave_open(%s)"%`slave_name`)
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'"%slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise TestSkipped, "Pseudo-terminals (seemingly) not functional."
if not os.isatty(slave_fd):
raise TestFailed, "slave_fd is not a tty"
# IRIX apparently turns \n into \r\n. Allow that, but avoid allowing other
# differences (like extra whitespace, trailing garbage, etc.)
debug("Writing to slave_fd")
os.write(slave_fd, TEST_STRING_1)
s1 = os.read(master_fd, 1024)
sys.stdout.write(s1.replace("\r\n", "\n"))
if verbose:
def debug(msg):
print msg
else:
def debug(msg):
pass
# Marginal testing of pty suite. Cannot do extensive 'do or fail' testing
# because pty code is not too portable.
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'" % (master_fd, slave_name))
debug("Calling slave_open(%s)" % ` slave_name `)
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'" % slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise TestSkipped, "Pseudo-terminals (seemingly) not functional."
if not os.isatty(slave_fd):
raise TestFailed, "slave_fd is not a tty"
# IRIX apparently turns \n into \r\n. Allow that, but avoid allowing other
# differences (like extra whitespace, trailing garbage, etc.)
debug("Writing to slave_fd")
def setup_pty( self, _use_pty ):
self.using_pty = _use_pty
if _use_pty:
## The lower this number is the more responsive some commands
## may be ( printing prompt, ls ), but also the quicker others
## may timeout reading their output ( ping, ftp )
self.delay = 0.2
## Hack to get pty name until I can figure out to get name
## of slave pty using pty.fork() I've tried everything
## including using all of the python src for pty.fork().
## I'm probably trying to do something I can't do. However,
## there does seem to be a std call named ptsname() which
## returns the slave pty name i.e. /dev/pty/XX
## Assumption is, that between the dummy call to
## master_open is done and the pty.fork happens, we'll be
## the next pty entry after the one from pty.master_open()
## According to SysV docs it will look for the first
## unused, so this shouldn't be too bad besides its looks.
## Only have to make sure they're not already in use and
## if it is try the next one etc.
self.master, pty_name = pty.master_open()
dbg_print ( 'setup_pty: slave pty name is ' + pty_name )
self.pid, self.fd = pty.fork() ## pid and fd are of child shell
self.outd = self.fd
self.ind = self.fd
self.errd = self.fd
signal.signal( signal.SIGCHLD, self.sigchld_handler )
if self.pid == 0:
## In spawned shell process. NOTE: any 'print'ing done within here will corrupt vim.
attrs = tty.tcgetattr( 1 )
attrs[ 6 ][ tty.VMIN ] = 1
attrs[ 6 ][ tty.VTIME ] = 0
attrs[ 0 ] = attrs[ 0 ] | tty.BRKINT
attrs[ 0 ] = attrs[ 0 ] | tty.IGNBRK
attrs[ 3 ] = attrs[ 3 ] & ~tty.ICANON & ~tty.ECHO
tty.tcsetattr( 1, tty.TCSANOW, attrs )
try:
args = [ self.sh ]
if self.arg != '':
args.append( self.arg )
os.execv( self.sh, args )
except:
print( 'setup_pty: Couldn\'t start specified shell ' + self.sh )
else:
try:
attrs = tty.tcgetattr( 1 )
termios_keys = attrs[ 6 ]
## Get *real* key-sequence for standard input keys, i.e. EOF
self.intr_key = termios_keys[ tty.VINTR ]
self.eof_key = termios_keys[ tty.VEOF ]
except:
dbg_print ( 'setup_pty: tcgetattr failed' )
else:
## Use pipes on Win32. not as reliable/nice. works OK but with limitations.
self.delay = 0.2
p = Popen( self.sh + ' ' + self.arg, shell = False, bufsize = 32, stdin = PIPE, stdout = PIPE, stderr = PIPE, creationflags = win32process.CREATE_NO_WINDOW | win32process.CREATE_NEW_PROCESS_GROUP )
( self.stdin, self.stdout, self.stderr ) = ( p.stdin, p.stdout, p.stderr )
self.outd = self.stdout.fileno()
self.ind = self.stdin.fileno ()
self.errd = self.stderr.fileno()
self.pid = p.pid
dbg_print ( 'setup_pty: self.outd: ' + str( self.outd ) )
dbg_print ( 'setup_pty: self.ind: ' + str( self.ind ) )
dbg_print ( 'setup_pty: self.errd: ' + str( self.errd ) )
dbg_print ( 'setup_pty: pid is ' + str( self.pid ) )
TEST_STRING_1 = "I wish to buy a fish license.\n"
TEST_STRING_2 = "For my pet fish, Eric.\n"
if verbose:
def debug(msg):
print msg
else:
def debug(msg):
pass
# Marginal testing of pty suite. Cannot do extensive 'do or fail' testing
# because pty code is not too portable.
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'"%(master_fd, slave_name))
debug("Calling slave_open(%s)"%`slave_name`)
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'"%slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise TestSkipped, "Pseudo-terminals (seemingly) not functional."
if not os.isatty(slave_fd):
raise TestFailed, "slave_fd is not a tty"
# IRIX apparently turns \n into \r\n. Allow that, but avoid allowing other
# differences (like extra whitespace, trailing garbage, etc.)
debug("Writing to slave_fd")
def setup_pty( self, _use_pty ):
self.using_pty = _use_pty
if _use_pty:
## The lower this number is the more responsive some commands
## may be ( printing prompt, ls ), but also the quicker others
## may timeout reading their output ( ping, ftp )
self.delay = 0.1
## Hack to get pty name until I can figure out to get name
## of slave pty using pty.fork( ) I've tried everything
## including using all of the python src for pty.fork( ).
## I'm probably trying to do something I can't do. However,
## there does seem to be a std call named ptsname( ) which
## returns the slave pty name i.e. /dev/pty/XX
## Assumption is, that between the dummy call to
## master_open is done and the pty.fork happens, we'll be
## the next pty entry after the one from pty.master_open( )
## According to SysV docs it will look for the first
## unused, so this shouldn't be too bad besides its looks.
## Only have to make sure they're not already in use and
## if it is try the next one etc.
self.master, pty_name = pty.master_open( )
dbg_print ( 'setup_pty: Dummy pty name is ' + pty_name )
## On Linux pty name will be pts/X where X is between 0 and N
## On Solaris pty name will be ttypX where X is between 0 and N
## So for these cases it's safe to clip the trailing number.
m = re.search( r'\d*$', pty_name )
self.cur_pty = int( m.group( 0 ) ) + 1
dbg_print ( 'setup_pty: Next pty num is ' + `self.cur_pty` )
## TODO: Check to see if it's already in use, and keep
## bumping number until we find the one not in use
entries = os.listdir( "/dev/pts" )
if entries: ## just in case, don't most *nix have /dev?
while 1:
if str( self.cur_pty ) in entries:
self.cur_pty += 1
else:
dbg_print ( 'setup_pty: Found a non-matching pty ' + `self.cur_pty` + ' using it' )
break
else:
dbg_print( "setup_pty: platform '" + sys.platform + "' doesn't seem to have pty entries in standard location(s)." )
self.pid, self.fd = pty.fork( )
self.outd = self.fd
self.ind = self.fd
self.errd = self.fd
if self.pid == 0:
## In spawned shell process
attrs = tty.tcgetattr( 1 )
attrs[6][tty.VMIN] = 1
attrs[6][tty.VTIME] = 0
attrs[0] = attrs[0] | tty.BRKINT
attrs[3] = attrs[3] & ~tty.ICANON & ~tty.ECHO
tty.tcsetattr( 1, tty.TCSANOW, attrs )
os.execv( self.sh, [ self.sh, self.arg ] )
else:
attrs = tty.tcgetattr( 1 )
termios_keys = attrs[ 6 ]
## Get *real* key-sequence for standard input keys, i.e. EOF
self.eof_key = termios_keys[ tty.VEOF ]
self.eol_key = termios_keys[ tty.VEOL ]
self.erase_key = termios_keys[ tty.VERASE ]
self.intr_key = termios_keys[ tty.VINTR ]
self.kill_key = termios_keys[ tty.VKILL ]
self.susp_key = termios_keys[ tty.VSUSP ]
else:
## Use pipes. not as reliable/nice. works OK but with limitations.
## Needed for Windows support.
self.delay = 0.2
self.stdout, self.stdin, self.stderr = popen2.popen3( self.sh + " " + self.arg, bufsize = -1 )
self.outd = self.stdout.fileno( )
self.ind = self.stdin.fileno ( )
self.errd = self.stderr.fileno( )
self.intr_key = ''
self.eof_key = ''
def setup_pty( self, _use_pty ):
self.using_pty = _use_pty
if _use_pty:
## The lower this number is the more responsive some commands
## may be ( printing prompt, ls ), but also the quicker others
## may timeout reading their output ( ping, ftp )
self.delay = 0.2
## Hack to get pty name until I can figure out to get name
## of slave pty using pty.fork() I've tried everything
## including using all of the python src for pty.fork().
## I'm probably trying to do something I can't do. However,
## there does seem to be a std call named ptsname() which
## returns the slave pty name i.e. /dev/pty/XX
## Assumption is, that between the dummy call to
## master_open is done and the pty.fork happens, we'll be
## the next pty entry after the one from pty.master_open()
## According to SysV docs it will look for the first
## unused, so this shouldn't be too bad besides its looks.
## Only have to make sure they're not already in use and
## if it is try the next one etc.
self.master, pty_name = pty.master_open()
dbg_print ( 'setup_pty: slave pty name is ' + pty_name )
self.pid, self.fd = pty.fork()
self.outd = self.fd
self.ind = self.fd
self.errd = self.fd
signal.signal( signal.SIGCHLD, self.sigchld_handler )
if self.pid == 0:
## In spawned shell process, NOTE: any 'print'ing done within
## here will corrupt vim.
attrs = tty.tcgetattr( 1 )
attrs[ 6 ][ tty.VMIN ] = 1
attrs[ 6 ][ tty.VTIME ] = 0
attrs[ 0 ] = attrs[ 0 ] | tty.BRKINT
attrs[ 0 ] = attrs[ 0 ] & tty.IGNBRK
attrs[ 3 ] = attrs[ 3 ] & ~tty.ICANON & ~tty.ECHO
tty.tcsetattr( 1, tty.TCSANOW, attrs )
try:
if self.arg != '':
os.execv( self.sh, [ self.sh, self.arg ] )
else:
os.execv( self.sh, [ self.sh, ] )
except:
print( 'setup_pty: Couldn\'t start specified shell ' + self.sh )
return
else:
try:
attrs = tty.tcgetattr( 1 )
termios_keys = attrs[ 6 ]
except:
dbg_print ( 'setup_pty: tcgetattr failed' )
return
## Get *real* key-sequence for standard input keys, i.e. EOF
self.eof_key = termios_keys[ tty.VEOF ]
self.intr_key = termios_keys[ tty.VINTR ]
else:
## Use pipes on Win32. not as reliable/nice. works OK but with limitations.
self.delay = 0.2
self.stdout, self.stdin, self.stderr = popen2.popen3( self.sh + ' ' + self.arg, -1, 'b' )
self.outd = self.stdout.fileno()
self.ind = self.stdin.fileno ()
self.errd = self.stderr.fileno()
dbg_print ( 'setup_pty: self.outd: ' + str( self.outd ) )
dbg_print ( 'setup_pty: self.ind: ' + str( self.ind ) )
dbg_print ( 'setup_pty: self.errd: ' + str( self.errd ) )
self.eof_key = ''
self.intr_key = ''
windll.kernel32.AttachConsole( -1 ) ## ATTACH_PARENT_PROCESS
self.pid = os.getpid()
import pty, os, sys
from test_support import verbose, TestFailed, TestSkipped
TEST_STRING_1 = "I wish to buy a fish license.\n"
TEST_STRING_2 = "For my pet fish, Eric.\n"
if verbose:
def debug(msg):
print msg
else:
def debug(msg):
pass
# Marginal testing of pty suite. Cannot do extensive 'do or fail' testing
# because pty code is not too portable.
try:
debug("Calling master_open()")
master_fd, slave_name = pty.master_open()
debug("Got master_fd '%d', slave_name '%s'" % (master_fd, slave_name))
debug("Calling slave_open(%s)" % ` slave_name `)
slave_fd = pty.slave_open(slave_name)
debug("Got slave_fd '%d'" % slave_fd)
except OSError:
# " An optional feature could not be imported " ... ?
raise TestSkipped, "Pseudo-terminals (seemingly) not functional."
if not os.isatty(slave_fd):
raise TestFailed, "slave_fd is not a tty"
# IRIX apparently turns \n into \r\n. Allow that, but avoid allowing other
# differences (like extra whitespace, trailing garbage, etc.)
debug("Writing to slave_fd")
os.write(slave_fd, TEST_STRING_1)
s1 = os.read(master_fd, 1024)
def setup_pty( self, _use_pty ):
self.using_pty = _use_pty
if _use_pty:
## The lower this number is the more responsive some commands
## may be ( printing prompt, ls ), but also the quicker others
## may timeout reading their output ( ping, ftp )
self.delay = 0.1
## Hack to get pty name until I can figure out to get name
## of slave pty using pty.fork() I've tried everything
## including using all of the python src for pty.fork().
## I'm probably trying to do something I can't do. However,
## there does seem to be a std call named ptsname() which
## returns the slave pty name i.e. /dev/pty/XX
## Assumption is, that between the dummy call to
## master_open is done and the pty.fork happens, we'll be
## the next pty entry after the one from pty.master_open()
## According to SysV docs it will look for the first
## unused, so this shouldn't be too bad besides its looks.
## Only have to make sure they're not already in use and
## if it is try the next one etc.
self.master, pty_name = pty.master_open()
dbg_print ( 'setup_pty: slave pty name is ' + pty_name )
self.pid, self.fd = pty.fork()
self.outd = self.fd
self.ind = self.fd
self.errd = self.fd
signal.signal( signal.SIGCHLD, self.sigchld_handler )
if self.pid == 0:
## In spawned shell process, NOTE: any 'print'ing done within
## here will corrupt vim.
attrs = tty.tcgetattr( 1 )
attrs[ 6 ][ tty.VMIN ] = 1
attrs[ 6 ][ tty.VTIME ] = 0
attrs[ 0 ] = attrs[ 0 ] | tty.BRKINT
attrs[ 0 ] = attrs[ 0 ] & tty.IGNBRK
attrs[ 3 ] = attrs[ 3 ] & ~tty.ICANON & ~tty.ECHO
tty.tcsetattr( 1, tty.TCSANOW, attrs )
if self.arg != '':
os.execv( self.sh, [ self.sh, self.arg ] )
else:
os.execv( self.sh, [ self.sh, ] )
else:
try:
attrs = tty.tcgetattr( 1 )
termios_keys = attrs[ 6 ]
except:
dbg_print ( 'setup_pty: tcgetattr failed' )
return
# Get *real* key-sequence for standard input keys, i.e. EOF
self.eof_key = termios_keys[ tty.VEOF ]
self.eol_key = termios_keys[ tty.VEOL ]
self.erase_key = termios_keys[ tty.VERASE ]
self.intr_key = termios_keys[ tty.VINTR ]
self.kill_key = termios_keys[ tty.VKILL ]
self.susp_key = termios_keys[ tty.VSUSP ]
else:
## Use pipes on Win32. not as reliable/nice. works OK but with limitations.
self.delay = 0.2
try:
import win32pipe
dbg_print ( 'setup_pty: using windows extensions' )
self.stdin, self.stdout, self.stderr = win32pipe.popen3( self.sh + " " + self.arg )
except ImportError:
dbg_print ( 'setup_pty: not using windows extensions' )
self.stdout, self.stdin, self.stderr = popen2.popen3( self.sh + " " + self.arg, -1, 'b' )
self.outd = self.stdout.fileno()
self.ind = self.stdin.fileno ()
self.errd = self.stderr.fileno()
self.intr_key = ''
self.eof_key = ''
