- The Jython backend tries javax.comm and gnu.io (Seo Sanghyeon)
- activate mark/space parity support
diff --git a/pyserial/serial/serialjava.py b/pyserial/serial/serialjava.py
index f2e0c1b..cca46dc 100644
--- a/pyserial/serial/serialjava.py
+++ b/pyserial/serial/serialjava.py
@@ -1,30 +1,54 @@
#!jython
-#Python Serial Port Extension for Win32, Linux, BSD, Jython
-#module for serial IO for Jython and JavaComm
-#see __init__.py
#
-#(C) 2002-2003 Chris Liechti <cliechti@gmx.net>
+# Python Serial Port Extension for Win32, Linux, BSD, Jython
+# module for serial IO for Jython and JavaComm
+# see __init__.py
+#
+# (C) 2002-2008 Chris Liechti <cliechti@gmx.net>
# this is distributed under a free software license, see license.txt
-import javax.comm
from serialutil import *
-VERSION = "$Revision: 1.10 $".split()[1] #extract CVS version
+def my_import(name):
+ mod = __import__(name)
+ components = name.split('.')
+ for comp in components[1:]:
+ mod = getattr(mod, comp)
+ return mod
+
+def detect_java_comm(names):
+ """try given list of modules and return that imports"""
+ for name in names:
+ try:
+ mod = my_import(name)
+ mod.SerialPort
+ return mod
+ except (ImportError, AttributeError):
+ pass
+ raise ImportError("No Java Communications API implementation found")
+
+# Java Communications API implementations
+# http://mho.republika.pl/java/comm/
+
+comm = detect_java_comm([
+ 'javax.comm', # Sun/IBM
+ 'gnu.io', # RXTX
+])
def device(portnumber):
"""Turn a port number into a device name"""
- enum = javax.comm.CommPortIdentifier.getPortIdentifiers()
+ enum = comm.CommPortIdentifier.getPortIdentifiers()
ports = []
while enum.hasMoreElements():
el = enum.nextElement()
- if el.getPortType() == javax.comm.CommPortIdentifier.PORT_SERIAL:
+ if el.getPortType() == comm.CommPortIdentifier.PORT_SERIAL:
ports.append(el)
return ports[portnumber].getName()
class Serial(SerialBase):
- """Serial port class, implemented with javax.comm and thus usable with
- jython and the appropriate java extension."""
+ """Serial port class, implemented with Java Communications API and
+ thus usable with jython and the appropriate java extension."""
def open(self):
"""Open port with current settings. This may throw a SerialException
@@ -32,9 +56,9 @@
if self._port is None:
raise SerialException("Port must be configured before it can be used.")
if type(self._port) == type(''): #strings are taken directly
- portId = javax.comm.CommPortIdentifier.getPortIdentifier(self._port)
+ portId = comm.CommPortIdentifier.getPortIdentifier(self._port)
else:
- portId = javax.comm.CommPortIdentifier.getPortIdentifier(device(self._port)) #numbers are transformed to a comportid obj
+ portId = comm.CommPortIdentifier.getPortIdentifier(device(self._port)) #numbers are transformed to a comportid obj
try:
self.sPort = portId.open("python serial module", 10)
except Exception, msg:
@@ -52,45 +76,45 @@
self.sPort.enableReceiveTimeout(30)
if self._bytesize == FIVEBITS:
- jdatabits = javax.comm.SerialPort.DATABITS_5
+ jdatabits = comm.SerialPort.DATABITS_5
elif self._bytesize == SIXBITS:
- jdatabits = javax.comm.SerialPort.DATABITS_6
+ jdatabits = comm.SerialPort.DATABITS_6
elif self._bytesize == SEVENBITS:
- jdatabits = javax.comm.SerialPort.DATABITS_7
+ jdatabits = comm.SerialPort.DATABITS_7
elif self._bytesize == EIGHTBITS:
- jdatabits = javax.comm.SerialPort.DATABITS_8
+ jdatabits = comm.SerialPort.DATABITS_8
else:
raise ValueError("unsupported bytesize: %r" % self._bytesize)
if self._stopbits == STOPBITS_ONE:
- jstopbits = javax.comm.SerialPort.STOPBITS_1
+ jstopbits = comm.SerialPort.STOPBITS_1
elif stopbits == STOPBITS_ONE_HALVE:
- self._jstopbits = javax.comm.SerialPort.STOPBITS_1_5
+ self._jstopbits = comm.SerialPort.STOPBITS_1_5
elif self._stopbits == STOPBITS_TWO:
- jstopbits = javax.comm.SerialPort.STOPBITS_2
+ jstopbits = comm.SerialPort.STOPBITS_2
else:
raise ValueError("unsupported number of stopbits: %r" % self._stopbits)
if self._parity == PARITY_NONE:
- jparity = javax.comm.SerialPort.PARITY_NONE
+ jparity = comm.SerialPort.PARITY_NONE
elif self._parity == PARITY_EVEN:
- jparity = javax.comm.SerialPort.PARITY_EVEN
+ jparity = comm.SerialPort.PARITY_EVEN
elif self._parity == PARITY_ODD:
- jparity = javax.comm.SerialPort.PARITY_ODD
- #~ elif self._parity == PARITY_MARK:
- #~ jparity = javax.comm.SerialPort.PARITY_MARK
- #~ elif self._parity == PARITY_SPACE:
- #~ jparity = javax.comm.SerialPort.PARITY_SPACE
+ jparity = comm.SerialPort.PARITY_ODD
+ elif self._parity == PARITY_MARK:
+ jparity = comm.SerialPort.PARITY_MARK
+ elif self._parity == PARITY_SPACE:
+ jparity = comm.SerialPort.PARITY_SPACE
else:
raise ValueError("unsupported parity type: %r" % self._parity)
jflowin = jflowout = 0
if self._rtscts:
- jflowin |= javax.comm.SerialPort.FLOWCONTROL_RTSCTS_IN
- jflowout |= javax.comm.SerialPort.FLOWCONTROL_RTSCTS_OUT
+ jflowin |= comm.SerialPort.FLOWCONTROL_RTSCTS_IN
+ jflowout |= comm.SerialPort.FLOWCONTROL_RTSCTS_OUT
if self._xonxoff:
- jflowin |= javax.comm.SerialPort.FLOWCONTROL_XONXOFF_IN
- jflowout |= javax.comm.SerialPort.FLOWCONTROL_XONXOFF_OUT
+ jflowin |= comm.SerialPort.FLOWCONTROL_XONXOFF_IN
+ jflowout |= comm.SerialPort.FLOWCONTROL_XONXOFF_OUT
self.sPort.setSerialPortParams(baudrate, jdatabits, jstopbits, jparity)
self.sPort.setFlowControlMode(jflowin | jflowout)