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mandos-monitor
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#!/usr/bin/python
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# -*- mode: python; coding: utf-8 -*-
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# 
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# Mandos Monitor - Control and monitor the Mandos server
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# 
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# Copyright © 2009,2010 Teddy Hogeborn
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# Copyright © 2009,2010 Björn Påhlsson
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# 
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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#     This program is distributed in the hope that it will be useful,
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#     but WITHOUT ANY WARRANTY; without even the implied warranty of
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#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#     GNU General Public License for more details.
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# 
19
 
# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see <http://www.gnu.org/licenses/>.
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# 
22
 
# Contact the authors at <mandos@fukt.bsnet.se>.
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# 
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from __future__ import division, absolute_import, with_statement
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domain = 'se.bsnet.fukt'
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server_interface = domain + '.Mandos'
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client_interface = domain + '.Mandos.Client'
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version = "1.2.3"
 
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version = "1.0.15"
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# Always run in monochrome mode
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urwid.curses_display.curses.has_colors = lambda : False
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        self.logger = logger
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        self._update_timer_callback_tag = None
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        self._update_timer_callback_lock = 0
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        self.last_checker_failed = False
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        # The widget shown normally
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            *args, **kwargs)
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        self.update()
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        self.opened = False
138
 
        
139
 
        last_checked_ok = isoformat_to_datetime(self.properties
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                                                [u"LastCheckedOK"])
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        if last_checked_ok is None:
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            self.last_checker_failed = True
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        else:
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            self.last_checker_failed = ((datetime.datetime.utcnow()
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                                         - last_checked_ok)
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                                        > datetime.timedelta
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                                        (milliseconds=
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                                         self.properties
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                                         [u"Interval"]))
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151
 
        if self.last_checker_failed:
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            self.using_timer(True)
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        if self.need_approval:
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            self.using_timer(True)
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        self.proxy.connect_to_signal(u"CheckerCompleted",
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                                     self.checker_completed,
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                                     client_interface,
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                                     self.rejected,
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                                     client_interface,
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                                     byte_arrays=True)
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178
 
    def property_changed(self, property=None, value=None):
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        super(self, MandosClientWidget).property_changed(property,
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                                                         value)
181
 
        if property == u"ApprovalPending":
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            using_timer(bool(value))
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184
 
    def using_timer(self, flag):
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        """Call this method with True or False when timer should be
186
 
        activated or deactivated.
187
 
        """
188
 
        old = self._update_timer_callback_lock
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        if flag:
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            self._update_timer_callback_lock += 1
 
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        last_checked_ok = isoformat_to_datetime(self.properties
 
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                                                ["last_checked_ok"])
 
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        if last_checked_ok is None:
 
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            self.last_checker_failed = True
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        else:
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            self._update_timer_callback_lock -= 1
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        if old == 0 and self._update_timer_callback_lock:
 
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            self.last_checker_failed = ((datetime.datetime.utcnow()
 
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                                         - last_checked_ok)
 
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                                        > datetime.timedelta
 
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                                        (milliseconds=
 
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                                         self.properties["interval"]))
 
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        if self.last_checker_failed:
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            self._update_timer_callback_tag = (gobject.timeout_add
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                                               (1000,
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                                                self.update_timer))
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        elif old and self._update_timer_callback_lock == 0:
198
 
            gobject.source_remove(self._update_timer_callback_tag)
199
 
            self._update_timer_callback_tag = None
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    def checker_completed(self, exitstatus, condition, command):
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        if exitstatus == 0:
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            if self.last_checker_failed:
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                self.last_checker_failed = False
205
 
                self.using_timer(False)
206
 
            #self.logger(u'Checker for client %s (command "%s")'
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            #            u' was successful'
208
 
            #            % (self.properties[u"Name"], command))
 
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                gobject.source_remove(self._update_timer_callback_tag)
 
156
                self._update_timer_callback_tag = None
 
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            self.logger(u'Checker for client %s (command "%s")'
 
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                        u' was successful'
 
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                        % (self.properties[u"name"], command))
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            self.update()
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            return
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        # Checker failed
212
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        if not self.last_checker_failed:
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            self.last_checker_failed = True
214
 
            self.using_timer(True)
 
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            self._update_timer_callback_tag = (gobject.timeout_add
 
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                                               (1000,
 
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                                                self.update_timer))
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        if os.WIFEXITED(condition):
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            self.logger(u'Checker for client %s (command "%s")'
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                        u' failed with exit code %s'
218
 
                        % (self.properties[u"Name"], command,
 
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                        % (self.properties[u"name"], command,
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                           os.WEXITSTATUS(condition)))
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        elif os.WIFSIGNALED(condition):
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            self.logger(u'Checker for client %s (command "%s")'
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                        u' was killed by signal %s'
223
 
                        % (self.properties[u"Name"], command,
 
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                        % (self.properties[u"name"], command,
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                           os.WTERMSIG(condition)))
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        elif os.WCOREDUMP(condition):
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            self.logger(u'Checker for client %s (command "%s")'
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                        u' dumped core'
228
 
                        % (self.properties[u"Name"], command))
 
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                        % (self.properties[u"name"], command))
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        else:
230
 
            self.logger(u'Checker for client %s completed'
231
 
                        u' mysteriously')
 
183
            self.logger(u'Checker for client %s completed mysteriously')
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        self.update()
233
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    def checker_started(self, command):
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        #self.logger(u'Client %s started checker "%s"'
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        #            % (self.properties[u"Name"], unicode(command)))
 
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        #            % (self.properties[u"name"], unicode(command)))
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        pass
238
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    def got_secret(self):
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        self.last_checker_failed = False
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        self.logger(u'Client %s received its secret'
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                    % self.properties[u"Name"])
 
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                    % self.properties[u"name"])
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    def need_approval(self, timeout, default):
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        if not default:
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        else:
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            message = u'Client %s will get its secret in %s seconds'
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        self.logger(message
250
 
                    % (self.properties[u"Name"], timeout/1000))
251
 
        self.using_timer(True)
 
202
                    % (self.properties[u"name"], timeout/1000))
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    def rejected(self, reason):
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        self.logger(u'Client %s was rejected; reason: %s'
255
 
                    % (self.properties[u"Name"], reason))
 
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                    % (self.properties[u"name"], reason))
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    def selectable(self):
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        """Make this a "selectable" widget.
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        # Base part of a client. Name!
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        base = (u'%(name)s: '
288
 
                      % {u"name": self.properties[u"Name"]})
289
 
        if not self.properties[u"Enabled"]:
 
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                      % {u"name": self.properties[u"name"]})
 
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        if not self.properties[u"enabled"]:
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            message = u"DISABLED"
291
 
        elif self.properties[u"ApprovalPending"]:
292
 
            timeout = datetime.timedelta(milliseconds
293
 
                                         = self.properties
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                                         [u"ApprovalDelay"])
295
 
            last_approval_request = isoformat_to_datetime(
296
 
                self.properties[u"LastApprovalRequest"])
297
 
            if last_approval_request is not None:
298
 
                timer = timeout - (datetime.datetime.utcnow()
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                                   - last_approval_request)
300
 
            else:
301
 
                timer = datetime.timedelta()
302
 
            if self.properties[u"ApprovedByDefault"]:
303
 
                message = u"Approval in %s. (d)eny?"
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            else:
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                message = u"Denial in %s. (a)pprove?"
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            message = message % unicode(timer).rsplit(".", 1)[0]
 
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        elif self.properties[u"approved_pending"]:
 
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            if self.properties[u"approved_by_default"]:
 
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                message = u"Connection established to client. (d)eny?"
 
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            else:
 
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                message = u"Seeks approval to send secret. (a)pprove?"
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        elif self.last_checker_failed:
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            timeout = datetime.timedelta(milliseconds
309
 
                                         = self.properties
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                                         [u"Timeout"])
 
249
                                         = self.properties[u"timeout"])
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            last_ok = isoformat_to_datetime(
312
 
                max((self.properties[u"LastCheckedOK"]
313
 
                     or self.properties[u"Created"]),
314
 
                    self.properties[u"LastEnabled"]))
 
251
                max((self.properties["last_checked_ok"]
 
252
                     or self.properties["created"]),
 
253
                    self.properties[u"last_enabled"]))
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            timer = timeout - (datetime.datetime.utcnow() - last_ok)
316
 
            message = (u'A checker has failed! Time until client'
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                       u' gets disabled: %s'
 
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            message = (u'A checker has failed! Time until client gets diabled: %s'
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                           % unicode(timer).rsplit(".", 1)[0])
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        else:
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            message = u"enabled"
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        elif key == u"d":
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            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
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                                  dbus_interface = client_interface)
370
 
        elif key == u"R" or key == u"_" or key == u"ctrl k":
 
308
        elif key == u"r" or key == u"_" or key == u"ctrl k":
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            self.server_proxy_object.RemoveClient(self.proxy
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                                                  .object_path)
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        elif key == u"s":
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#             self.proxy.unpause()
384
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#         elif key == u"RET":
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#             self.open()
 
324
#        elif key == u"+":
 
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#            self.proxy.Approve(True)
 
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#        elif key == u"-":
 
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#            self.proxy.Approve(False)
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        else:
387
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            return key
388
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404
346
    use them as an excuse to shift focus away from this widget.
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    """
406
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    def keypress(self, (maxcol, maxrow), key):
407
 
        ret = super(ConstrainedListBox, self).keypress((maxcol,
408
 
                                                        maxrow), key)
 
349
        ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
409
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        if ret in (u"up", u"down"):
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            return
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        return ret
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        Call this when the widget layout needs to change"""
529
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        self.uilist = []
530
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        #self.uilist.append(urwid.ListBox(self.clients))
531
 
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.
532
 
                                                          clients),
 
472
        self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
533
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                                       #header=urwid.Divider(),
534
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                                       header=None,
535
 
                                       footer=
536
 
                                       urwid.Divider(div_char=
537
 
                                                     self.divider)))
 
475
                                       footer=urwid.Divider(div_char=self.divider)))
538
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        if self.log_visible:
539
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            self.uilist.append(self.logbox)
540
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            pass
558
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        """Toggle visibility of the log buffer."""
559
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        self.log_visible = not self.log_visible
560
498
        self.rebuild()
561
 
        #self.log_message(u"Log visibility changed to: "
562
 
        #                 + unicode(self.log_visible))
 
499
        self.log_message(u"Log visibility changed to: "
 
500
                         + unicode(self.log_visible))
563
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564
502
    def change_log_display(self):
565
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        """Change type of log display.
570
508
            self.log_wrap = u"clip"
571
509
        for textwidget in self.log:
572
510
            textwidget.set_wrap_mode(self.log_wrap)
573
 
        #self.log_message(u"Wrap mode: " + self.log_wrap)
 
511
        self.log_message(u"Wrap mode: " + self.log_wrap)
574
512
    
575
513
    def find_and_remove_client(self, path, name):
576
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        """Find an client from its object path and remove it.
603
541
        if path is None:
604
542
            path = client.proxy.object_path
605
543
        self.clients_dict[path] = client
606
 
        self.clients.sort(None, lambda c: c.properties[u"Name"])
 
544
        self.clients.sort(None, lambda c: c.properties[u"name"])
607
545
        self.refresh()
608
546
    
609
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    def remove_client(self, client, path=None):
686
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                                      .join((u"Clients:",
687
625
                                             u"+: Enable",
688
626
                                             u"-: Disable",
689
 
                                             u"R: Remove",
 
627
                                             u"r: Remove",
690
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                                             u"s: Start new checker",
691
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                                             u"S: Stop checker",
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                                             u"C: Checker OK",