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# Orca
#
# Copyright 2008 Sun Microsystems Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., Franklin Street, Fifth Floor,
# Boston MA 02110-1301 USA.
"""Exposes Orca as a DBus service for testing and watchdog purposes."""
__id__ = "$Id$"
__version__ = "$Revision$"
__date__ = "$Date$"
__copyright__ = "Copyright (c) 2008 Sun Microsystems Inc."
__license__ = "LGPL"
import dbus
import dbus.service
import debug
import settings
# Handlers for logging speech and braille output.
#
loggingFileHandlers = {}
loggingStreamHandlers = {}
# pylint: disable-msg=R0923
# Server: Interface not implemented
bus = None
name = None
obj = None
class Server(dbus.service.Object):
def __init__(self, object_path, bus_name):
dbus.service.Object.__init__(self, None, object_path, bus_name)
@dbus.service.method(dbus_interface='org.gnome.Orca.Logging',
in_signature='si', out_signature='')
def setDebug(self, debugFile, debugLevel):
"""Sets the file to send detailed debug information."""
if not settings.enableRemoteLogging:
return
debug.println(debug.LEVEL_FINEST,
"DBus Logging.setDebug(%s, %d)" \
% (debugFile, debugLevel))
if debug.debugFile:
debug.debugFile.close()
debug.debugFile = None
if debugFile and len(debugFile):
debug.debugFile = open('%s.debug' % debugFile, 'w', 0)
debug.debugLevel = debugLevel
@dbus.service.method(dbus_interface='org.gnome.Orca.Logging',
in_signature='s', out_signature='')
def setLogFile(self, logFile):
"""Sets the file to send speech and braille logging information."""
if not settings.enableRemoteLogging:
return
import logging
debug.println(debug.LEVEL_FINEST,
"DBus Logging.setLogFile(%s)" % logFile)
for logger in ['braille', 'speech']:
log = logging.getLogger(logger)
formatter = logging.Formatter('%(message)s')
try:
loggingFileHandlers[logger].flush()
loggingFileHandlers[logger].close()
log.removeHandler(loggingFileHandlers[logger])
except:
pass
if logFile and len(logFile):
loggingFileHandlers[logger] = logging.FileHandler(
'%s.%s' % (logFile, logger), 'w')
loggingFileHandlers[logger].setFormatter(formatter)
log.addHandler(loggingFileHandlers[logger])
log.setLevel(logging.INFO)
@dbus.service.method(dbus_interface='org.gnome.Orca.Logging',
in_signature='', out_signature='')
def startRecording(self):
"""Tells Orca to start logging speech and braille output."""
if not settings.enableRemoteLogging:
return
debug.println(debug.LEVEL_FINEST, "DBus Logging.startRecording")
import logging
import StringIO
for logger in ['braille', 'speech']:
log = logging.getLogger(logger)
try:
[stringIO, handler] = loggingStreamHandlers[logger]
handler.close()
log.removeHandler(handler)
stringIO.close()
except:
pass
formatter = logging.Formatter('%(message)s')
stringIO = StringIO.StringIO()
handler = logging.StreamHandler(stringIO)
handler.setFormatter(formatter)
log.addHandler(handler)
loggingStreamHandlers[logger] = [stringIO, handler]
log.setLevel(logging.INFO)
@dbus.service.method(dbus_interface='org.gnome.Orca.Logging',
in_signature='', out_signature='s')
def stopRecording(self):
"""Tells Orca to stop logging speech and braille output and
to return whatever was recorded since the last call to
startRecording."""
if not settings.enableRemoteLogging:
return ""
debug.println(debug.LEVEL_FINEST, "DBus Logging.stopRecording")
import logging
import StringIO
result = ''
for logger in ['braille', 'speech']:
log = logging.getLogger(logger)
try:
[stringIO, handler] = loggingStreamHandlers[logger]
handler.flush()
handler.close()
log.removeHandler(handler)
result += stringIO.getvalue()
stringIO.close()
except:
debug.printException(debug.LEVEL_OFF)
stringIO = StringIO.StringIO()
return result
def init():
"""Sets up the Orca DBus service. This will only take effect once
the Orca main loop starts."""
global bus
global name
global obj
if obj or bus or name:
return
try:
bus = dbus.SessionBus()
name = dbus.service.BusName('org.gnome.Orca',
bus=bus,
allow_replacement=False,
replace_existing=False)
obj = Server('/', name)
except:
debug.println(debug.LEVEL_WARNING,
"dbusserver.py: Could not initialize DBus server")
debug.printException(debug.LEVEL_WARNING)
def shutdown():
pass
def main():
import pyatspi
init()
pyatspi.Registry.start()
if __name__ == "__main__":
main()
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