74 lines
1.9 KiB
Python
74 lines
1.9 KiB
Python
import sys
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import logging
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import traceback
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from cStringIO import StringIO
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import dbus
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import dbus.dbus_bindings
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import gobject
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__console = None
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__console_id = None
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class Handler(logging.Handler):
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def __init__(self, console, console_id):
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logging.Handler.__init__(self)
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self._console_id = console_id
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self._console = console
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self._records = []
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self._idle_id = 0
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bus = dbus.SessionBus()
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self._console_started = dbus.dbus_bindings.bus_name_has_owner(
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bus._connection, 'org.laptop.Sugar.Console')
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bus.add_signal_receiver(self.__name_owner_changed,
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dbus_interface = "org.freedesktop.DBus",
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signal_name = "NameOwnerChanged")
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def __name_owner_changed(self, service_name, old_name, new_name):
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if service_name == 'org.laptop.Sugar.Console':
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if new_name != None:
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self._console_started = True
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self._idle_id = gobject.idle_add(self._log)
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else:
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self._console_started = False
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def _log(self):
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for record in self._records:
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self._console.log(record.levelno, self._console_id, record.msg)
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self._records = []
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self._idle_id = 0
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return False
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def emit(self, record):
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self._records.append(record)
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if self._console_started and self._idle_id == 0:
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self._idle_id = gobject.idle_add(self._log)
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def __exception_handler(typ, exc, tb):
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trace = StringIO()
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traceback.print_exception(typ, exc, tb, None, trace)
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__console.log(logging.ERROR, __console_id, trace.getvalue())
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def start(console_id, console = None):
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root_logger = logging.getLogger('')
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root_logger.setLevel(logging.DEBUG)
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if console == None:
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bus = dbus.SessionBus()
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proxy_obj = bus.get_object('org.laptop.Sugar.Console',
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'/org/laptop/Sugar/Console')
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console = dbus.Interface(proxy_obj, 'org.laptop.Sugar.Console')
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root_logger.addHandler(Handler(console, console_id))
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global __console
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global __console_id
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__console = console
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__console_id = console_id
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sys.excepthook = __exception_handler
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