def __init__(self, arg, max_reclen, serial_in_size):
""" Initialise COMn: device. """
devices.Device.__init__(self)
addr, val = devices.parse_protocol_string(arg)
self.stream = None
try:
if not addr and not val:
pass
elif addr == 'SOCKET':
self.stream = SocketSerialStream(val)
elif addr == 'STDIO' or (not addr and val.upper() == 'STDIO'):
crlf = (val.upper() == 'CRLF')
self.stream = StdIOStream(crlf)
elif addr == 'PORT':
# port can be e.g. /dev/ttyS1 on Linux or COM1 on Windows.
self.stream = SerialStream(val)
else:
logging.warning('Could not attach %s to COM device', arg)
except (ValueError, EnvironmentError) as e:
logging.warning('Could not attach %s to COM device: %s', arg, e)
self.stream = None
except AttributeError:
logging.warning('Serial module not available. Could not attach %s to COM device: %s.', arg, e)
self.stream = None
if self.stream:
# NOTE: opening a text file automatically tries to read a byte
self.device_file = COMFile(self.stream, linefeed=False)
def __init__(self, arg):
""" Initialise tape device. """
addr, val = devices.parse_protocol_string(arg)
valsplit = val.split(':', 1)
loc = None
if len(valsplit) == 2:
val, loc = valsplit
ext = val.split('.')[-1].upper()
# we use a dummy device_file
# this means WIDTH and LOC on CAS1: directly are ignored
self.device_file = DummyDeviceFile()
try:
if not val:
self.tapestream = None
elif addr == 'BC':
self.tapestream = BasicodeStream(BasicodeWAVBitStream(val, 'r'))
elif addr == 'WAV' or (addr != 'CAS' and ext == 'WAV'):
# if unspecified, determine type on the basis of filename extension
self.tapestream = CassetteStream(WAVBitStream(val, 'r'))
else:
# 'CAS' is default
self.tapestream = CassetteStream(CASBitStream(val, 'r'))
if loc:
self.tapestream.wind(int(loc))
except EnvironmentError as e:
logging.warning("Couldn't attach %s to CAS device: %s",
val, str(e))
self.tapestream = None
def __init__(self, arg, default_stream, flush_trigger):
""" Initialise LPTn: device. """
devices.Device.__init__(self)
addr, val = devices.parse_protocol_string(arg)
self.stream = default_stream
if addr == 'FILE':
try:
if not os.path.exists(val):
open(val, 'wb').close()
self.stream = open(val, 'r+b')
except (IOError, OSError) as e:
logging.warning('Could not attach file %s to LPT device: %s', val, str(e))
elif addr == 'PARPORT':
# port can be e.g. /dev/parport0 on Linux or LPT1 on Windows. Just a number counting from 0 would also work.
self.stream = parallel_port(val)
elif addr == 'STDIO' or (not addr and val == 'STDIO'):
crlf = (val.upper() == 'CRLF')
self.stream = StdIOStream(crlf)
elif addr == 'PRINTER' or not addr:
# 'PRINTER' is default
self.stream = printer.PrinterStream(val)
else:
logging.warning('Could not attach %s to LPT device', arg)
if self.stream:
self.device_file = LPTFile(self.stream, flush_trigger)
self.device_file.flush_trigger = flush_trigger
def __init__(self, arg):
""" Initialise tape device. """
addr, val = devices.parse_protocol_string(arg)
valsplit = val.split(':', 1)
loc = None
if len(valsplit) == 2:
val, loc = valsplit
ext = val.split('.')[-1].upper()
# we use a dummy device_file
# this means WIDTH and LOC on CAS1: directly are ignored
self.device_file = DummyDeviceFile()
try:
if not val:
self.tapestream = None
elif addr == 'BC':
self.tapestream = BasicodeStream(BasicodeWAVBitStream(
val, 'r'))
elif addr == 'WAV' or (addr != 'CAS' and ext == 'WAV'):
# if unspecified, determine type on the basis of filename extension
self.tapestream = CassetteStream(WAVBitStream(val, 'r'))
else:
# 'CAS' is default
self.tapestream = CassetteStream(CASBitStream(val, 'r'))
if loc:
self.tapestream.wind(int(loc))
except EnvironmentError as e:
logging.warning("Couldn't attach %s to CAS device: %s", val,
str(e))
self.tapestream = None
