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# -*- mode: python; coding: utf-8 -*-
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# Mandos Monitor - Control and monitor the Mandos server
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# Copyright © 2009-2019 Teddy Hogeborn
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# Copyright © 2009-2019 Björn Påhlsson
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# This file is part of Mandos.
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# Mandos is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# Copyright © 2009-2012 Teddy Hogeborn
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# Copyright © 2009-2012 Björn Påhlsson
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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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# Mandos is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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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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# You should have received a copy of the GNU General Public License
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# along with Mandos. If not, see <http://www.gnu.org/licenses/>.
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Contact the authors at <mandos@recompile.se>.
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from __future__ import (division, absolute_import, print_function,
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from future_builtins import *
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import urwid.curses_display
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from dbus.mainloop.glib import DBusGMainLoop
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from gi.repository import GLib
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if sys.version_info.major == 2:
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log = logging.getLogger(os.path.basename(sys.argv[0]))
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logging.basicConfig(level="NOTSET", # Show all messages
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format="%(message)s") # Show basic log messages
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logging.captureWarnings(True) # Show warnings via the logging system
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locale.setlocale(locale.LC_ALL, "")
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logging.getLogger("dbus.proxies").setLevel(logging.CRITICAL)
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locale.setlocale(locale.LC_ALL, '')
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
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# Some useful constants
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domain = "se.recompile"
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server_interface = domain + ".Mandos"
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client_interface = domain + ".Mandos.Client"
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dbus.OBJECT_MANAGER_IFACE
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except AttributeError:
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dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
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domain = 'se.recompile'
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server_interface = domain + '.Mandos'
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client_interface = domain + '.Mandos.Client'
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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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# Urwid doesn't support blinking, but we want it. Since we have no
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# use for underline on its own, we make underline also always blink.
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urwid.curses_display.curses.A_UNDERLINE |= (
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urwid.curses_display.curses.A_BLINK)
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def isoformat_to_datetime(iso):
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"Parse an ISO 8601 date string to a datetime.datetime()"
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int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
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int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
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class MandosClientPropertyCache(object):
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"""This wraps a Mandos Client D-Bus proxy object, caches the
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properties and calls a hook function when any of them are
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def __init__(self, proxy_object=None, properties=None, **kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
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self.properties = dict() if properties is None else properties
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def __init__(self, proxy_object=None, *args, **kwargs):
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self.proxy = proxy_object # Mandos Client proxy object
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self.properties = dict()
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self.property_changed_match = (
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self.proxy.connect_to_signal("PropertiesChanged",
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self.properties_changed,
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dbus.PROPERTIES_IFACE,
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self.proxy.connect_to_signal("PropertyChanged",
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self.property_changed,
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byte_arrays=True))
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if properties is None:
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self.properties.update(self.proxy.GetAll(
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dbus_interface=dbus.PROPERTIES_IFACE))
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super(MandosClientPropertyCache, self).__init__(**kwargs)
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def properties_changed(self, interface, properties, invalidated):
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"""This is called whenever we get a PropertiesChanged signal
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It updates the changed properties in the "properties" dict.
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self.properties.update(
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self.proxy.GetAll(client_interface,
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dbus_interface = dbus.PROPERTIES_IFACE))
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#XXX This breaks good super behaviour
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# super(MandosClientPropertyCache, self).__init__(
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def property_changed(self, property=None, value=None):
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"""This is called whenever we get a PropertyChanged signal
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It updates the changed property in the "properties" dict.
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# Update properties dict with new value
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if interface == client_interface:
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self.properties.update(properties)
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self.properties[property] = value
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def delete(self, *args, **kwargs):
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self.property_changed_match.remove()
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super(MandosClientPropertyCache, self).__init__(
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class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
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"""A Mandos Client which is visible on the screen.
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def __init__(self, server_proxy_object=None, update_hook=None,
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delete_hook=None, **kwargs):
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delete_hook=None, logger=None, *args, **kwargs):
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# Called on update
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self.update_hook = update_hook
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# Called on delete
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self.delete_hook = delete_hook
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# Mandos Server proxy object
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self.server_proxy_object = server_proxy_object
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self._update_timer_callback_tag = None
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self._update_timer_callback_lock = 0
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# The widget shown normally
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self._text_widget = urwid.Text("")
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# The widget shown when we have focus
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self._focus_text_widget = urwid.Text("")
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super(MandosClientWidget, self).__init__(**kwargs)
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super(MandosClientWidget, self).__init__(
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update_hook=update_hook, delete_hook=delete_hook,
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self.opened = False
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last_checked_ok = isoformat_to_datetime(self.properties
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if self.properties ["LastCheckerStatus"] != 0:
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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.match_objects = (
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self.proxy.connect_to_signal("CheckerCompleted",
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self.checker_completed,
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client_interface,
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byte_arrays=True))
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log.debug("Created client %s", self.properties["Name"])
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#self.logger('Created client %s' % (self.properties["Name"]))
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def property_changed(self, property=None, value=None):
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super(self, MandosClientWidget).property_changed(property,
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if property == "ApprovalPending":
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using_timer(bool(value))
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if property == "LastCheckerStatus":
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using_timer(value != 0)
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#self.logger('Checker for client %s (command "%s")'
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# % (self.properties["Name"], command))
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def using_timer(self, flag):
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"""Call this method with True or False when timer should be
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activated or deactivated.
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if flag and self._update_timer_callback_tag is None:
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old = self._update_timer_callback_lock
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self._update_timer_callback_lock += 1
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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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# Will update the shown timer value every second
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self._update_timer_callback_tag = (
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GLib.timeout_add(1000,
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glib_safely(self.update_timer)))
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elif not (flag or self._update_timer_callback_tag is None):
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GLib.source_remove(self._update_timer_callback_tag)
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self._update_timer_callback_tag = (gobject.timeout_add
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elif old and self._update_timer_callback_lock == 0:
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gobject.source_remove(self._update_timer_callback_tag)
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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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log.debug('Checker for client %s (command "%s")'
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" succeeded", self.properties["Name"], command)
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if os.WIFEXITED(condition):
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log.info('Checker for client %s (command "%s") failed'
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" with exit code %d", self.properties["Name"],
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command, os.WEXITSTATUS(condition))
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self.logger('Checker for client %s (command "%s")'
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' failed with exit code %s'
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% (self.properties["Name"], command,
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os.WEXITSTATUS(condition)))
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elif os.WIFSIGNALED(condition):
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log.info('Checker for client %s (command "%s") was'
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" killed by signal %d", self.properties["Name"],
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command, os.WTERMSIG(condition))
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self.logger('Checker for client %s (command "%s")'
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' was killed by signal %s'
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% (self.properties["Name"], command,
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os.WTERMSIG(condition)))
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elif os.WCOREDUMP(condition):
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self.logger('Checker for client %s (command "%s")'
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% (self.properties["Name"], command))
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self.logger('Checker for client %s completed'
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def checker_started(self, command):
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"""Server signals that a checker started."""
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log.debug('Client %s started checker "%s"',
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self.properties["Name"], command)
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"""Server signals that a checker started. This could be useful
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to log in the future. """
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#self.logger('Client %s started checker "%s"'
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# % (self.properties["Name"], unicode(command)))
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def got_secret(self):
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log.info("Client %s received its secret",
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self.properties["Name"])
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self.logger('Client %s received its secret'
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% self.properties["Name"])
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def need_approval(self, timeout, default):
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message = "Client %s needs approval within %f seconds"
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message = 'Client %s needs approval within %s seconds'
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message = "Client %s will get its secret in %f seconds"
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log.info(message, self.properties["Name"], timeout/1000)
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message = 'Client %s will get its secret in %s seconds'
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% (self.properties["Name"], timeout/1000))
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self.using_timer(True)
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def rejected(self, reason):
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log.info("Client %s was rejected; reason: %s",
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self.properties["Name"], reason)
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self.logger('Client %s was rejected; reason: %s'
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% (self.properties["Name"], reason))
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def selectable(self):
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"""Make this a "selectable" widget.
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This overrides the method from urwid.FlowWidget."""
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def rows(self, maxcolrow, focus=False):
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"""How many rows this widget will occupy might depend on
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whether we have focus or not.
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This overrides the method from urwid.FlowWidget"""
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return self.current_widget(focus).rows(maxcolrow, focus=focus)
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def current_widget(self, focus=False):
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if focus or self.opened:
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return self._focus_widget
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return self._widget
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def update(self):
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"Called when what is visible on the screen should be updated."
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# How to add standout mode to a style
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with_standout = {"normal": "standout",
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"bold": "bold-standout",
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"underline-blink-standout",
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"bold-underline-blink":
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"bold-underline-blink-standout",
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with_standout = { "normal": "standout",
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"bold": "bold-standout",
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"underline-blink-standout",
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"bold-underline-blink":
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"bold-underline-blink-standout",
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# Rebuild focus and non-focus widgets using current properties
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# Base part of a client. Name!
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base = "{name}: ".format(name=self.properties["Name"])
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% {"name": self.properties["Name"]})
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if not self.properties["Enabled"]:
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message = "DISABLED"
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self.using_timer(False)
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elif self.properties["ApprovalPending"]:
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timeout = datetime.timedelta(
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milliseconds=self.properties["ApprovalDelay"])
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timeout = datetime.timedelta(milliseconds
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last_approval_request = isoformat_to_datetime(
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self.properties["LastApprovalRequest"])
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if last_approval_request is not None:
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timer = max(timeout - (datetime.datetime.utcnow()
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- last_approval_request),
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datetime.timedelta())
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timer = timeout - (datetime.datetime.utcnow()
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- last_approval_request)
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timer = datetime.timedelta()
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if self.properties["ApprovedByDefault"]:
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message = "Approval in {}. (d)eny?"
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message = "Approval in %s. (d)eny?"
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message = "Denial in {}. (a)pprove?"
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message = message.format(str(timer).rsplit(".", 1)[0])
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self.using_timer(True)
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message = "Denial in %s. (a)pprove?"
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message = message % unicode(timer).rsplit(".", 1)[0]
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elif self.properties["LastCheckerStatus"] != 0:
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# When checker has failed, show timer until client expires
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# When checker has failed, print a timer until client expires
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expires = self.properties["Expires"]
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if expires == "":
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timer = datetime.timedelta(0)
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expires = (datetime.datetime.strptime
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(expires, "%Y-%m-%dT%H:%M:%S.%f"))
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timer = max(expires - datetime.datetime.utcnow(),
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datetime.timedelta())
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message = ("A checker has failed! Time until client"
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.format(str(timer).rsplit(".", 1)[0]))
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self.using_timer(True)
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expires = datetime.datetime.strptime(expires,
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'%Y-%m-%dT%H:%M:%S.%f')
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timer = expires - datetime.datetime.utcnow()
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message = ('A checker has failed! Time until client'
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% unicode(timer).rsplit(".", 1)[0])
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message = "enabled"
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self.using_timer(False)
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self._text = "{}{}".format(base, message)
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self._text = "%s%s" % (base, message)
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if not urwid.supports_unicode():
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self._text = self._text.encode("ascii", "replace")
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textlist = [("normal", self._text)]
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# Run update hook, if any
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if self.update_hook is not None:
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self.update_hook()
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def update_timer(self):
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"""called by GLib. Will indefinitely loop until
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GLib.source_remove() on tag is called
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"""called by gobject. Will indefinitely loop until
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gobject.source_remove() on tag is called"""
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return True # Keep calling this
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def delete(self, **kwargs):
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def delete(self, *args, **kwargs):
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if self._update_timer_callback_tag is not None:
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GLib.source_remove(self._update_timer_callback_tag)
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gobject.source_remove(self._update_timer_callback_tag)
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self._update_timer_callback_tag = None
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for match in self.match_objects:
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self.match_objects = ()
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if self.delete_hook is not None:
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self.delete_hook(self)
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return super(MandosClientWidget, self).delete(**kwargs)
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return super(MandosClientWidget, self).delete(*args, **kwargs)
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def render(self, maxcolrow, focus=False):
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"""Render differently if we have focus.
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This overrides the method from urwid.FlowWidget"""
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return self.current_widget(focus).render(maxcolrow,
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def keypress(self, maxcolrow, key):
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This overrides the method from urwid.FlowWidget"""
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self.proxy.Set(client_interface, "Enabled",
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dbus.Boolean(True), ignore_reply=True,
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dbus_interface=dbus.PROPERTIES_IFACE)
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self.proxy.Enable(dbus_interface = client_interface,
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self.proxy.Set(client_interface, "Enabled", False,
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dbus_interface=dbus.PROPERTIES_IFACE)
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self.proxy.Disable(dbus_interface = client_interface,
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self.proxy.Approve(dbus.Boolean(True, variant_level=1),
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dbus_interface=client_interface,
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dbus_interface = client_interface,
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ignore_reply=True)
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self.proxy.Approve(dbus.Boolean(False, variant_level=1),
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dbus_interface=client_interface,
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dbus_interface = client_interface,
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ignore_reply=True)
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elif key == "R" or key == "_" or key == "ctrl k":
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self.server_proxy_object.RemoveClient(self.proxy
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ignore_reply=True)
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self.proxy.Set(client_interface, "CheckerRunning",
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dbus.Boolean(True), ignore_reply=True,
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dbus_interface=dbus.PROPERTIES_IFACE)
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self.proxy.StartChecker(dbus_interface = client_interface,
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self.proxy.Set(client_interface, "CheckerRunning",
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dbus.Boolean(False), ignore_reply=True,
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dbus_interface=dbus.PROPERTIES_IFACE)
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self.proxy.StopChecker(dbus_interface = client_interface,
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self.proxy.CheckedOK(dbus_interface=client_interface,
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self.proxy.CheckedOK(dbus_interface = client_interface,
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ignore_reply=True)
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# elif key == "p" or key == "=":
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def properties_changed(self, interface, properties, invalidated):
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"""Call self.update() if any properties changed.
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def property_changed(self, property=None, value=None,
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"""Call self.update() if old value is not new value.
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This overrides the method from MandosClientPropertyCache"""
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old_values = {key: self.properties.get(key)
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for key in properties.keys()}
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super(MandosClientWidget, self).properties_changed(
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interface, properties, invalidated)
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if any(old_values[key] != self.properties.get(key)
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for key in old_values):
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property_name = unicode(property)
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old_value = self.properties.get(property_name)
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super(MandosClientWidget, self).property_changed(
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property=property, value=value, *args, **kwargs)
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if self.properties.get(property_name) != old_value:
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def glib_safely(func, retval=True):
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def safe_func(*args, **kwargs):
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return func(*args, **kwargs)
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class ConstrainedListBox(urwid.ListBox):
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"""Like a normal urwid.ListBox, but will consume all "up" or
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"down" key presses, thus not allowing any containing widgets to
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use them as an excuse to shift focus away from this widget.
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def keypress(self, *args, **kwargs):
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ret = (super(ConstrainedListBox, self)
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.keypress(*args, **kwargs))
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def keypress(self, maxcolrow, key):
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ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)
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if ret in ("up", "down"):
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def __init__(self, max_log_length=1000):
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DBusGMainLoop(set_as_default=True)
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self.screen = urwid.curses_display.Screen()
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self.screen.register_palette((
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"default", "default", None),
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"bold", "default", "bold"),
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"default", "default", "bold"),
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("underline-blink",
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"underline,blink", "default", "underline,blink"),
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"default", "default", "underline"),
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"standout", "default", "standout"),
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"default", "default", "standout"),
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("bold-underline-blink",
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"bold,underline,blink", "default",
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"bold,underline,blink"),
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"default", "default", ("bold", "underline")),
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("bold-standout",
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"bold,standout", "default", "bold,standout"),
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"default", "default", ("bold", "standout")),
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("underline-blink-standout",
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"underline,blink,standout", "default",
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"underline,blink,standout"),
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"default", "default", ("underline", "standout")),
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("bold-underline-blink-standout",
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"bold,underline,blink,standout", "default",
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"bold,underline,blink,standout"),
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"default", "default", ("bold", "underline",
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if urwid.supports_unicode():
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self.divider = "─" # \u2500
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self.divider = "─" # \u2500
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#self.divider = "━" # \u2501
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self.divider = "_" # \u005f
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#self.divider = "-" # \u002d
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self.divider = "_" # \u005f
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self.screen.start()
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self.size = self.screen.get_cols_rows()
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self.clients = urwid.SimpleListWalker([])
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self.clients_dict = {}
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# We will add Text widgets to this list
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self.log = urwid.SimpleListWalker([])
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self.max_log_length = max_log_length
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# We keep a reference to the log widget so we can remove it
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# from the ListWalker without it getting destroyed
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self.logbox = ConstrainedListBox(self.log)
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# This keeps track of whether self.uilist currently has
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# self.logbox in it or not
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self.log_visible = True
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self.log_wrap = "any"
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self.loghandler = UILogHandler(self)
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self.add_log_line(("bold",
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"Mandos Monitor version " + version))
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self.add_log_line(("bold", "q: Quit ?: Help"))
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self.busname = domain + ".Mandos"
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self.main_loop = GLib.MainLoop()
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def client_not_found(self, key_id, address):
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log.info("Client with address %s and key ID %s could"
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" not be found", address, key_id)
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self.log_message_raw(("bold",
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"Mandos Monitor version " + version))
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self.log_message_raw(("bold",
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self.busname = domain + '.Mandos'
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self.main_loop = gobject.MainLoop()
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def client_not_found(self, fingerprint, address):
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self.log_message(("Client with address %s and fingerprint %s"
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" could not be found" % (address,
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def rebuild(self):
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"""This rebuilds the User Interface.
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Call this when the widget layout needs to change"""
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# self.uilist.append(urwid.ListBox(self.clients))
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#self.uilist.append(urwid.ListBox(self.clients))
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self.uilist.append(urwid.Frame(ConstrainedListBox(self.
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# header=urwid.Divider(),
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#header=urwid.Divider(),
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footer=urwid.Divider(
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div_char=self.divider)))
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urwid.Divider(div_char=
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if self.log_visible:
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self.uilist.append(self.logbox)
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self.topwidget = urwid.Pile(self.uilist)
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def add_log_line(self, markup):
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def log_message(self, message):
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timestamp = datetime.datetime.now().isoformat()
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self.log_message_raw(timestamp + ": " + message)
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def log_message_raw(self, markup):
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"""Add a log message to the log buffer."""
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self.log.append(urwid.Text(markup, wrap=self.log_wrap))
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if self.max_log_length:
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if len(self.log) > self.max_log_length:
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del self.log[0:(len(self.log) - self.max_log_length)]
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self.logbox.set_focus(len(self.logbox.body.contents)-1,
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if (self.max_log_length
517
and len(self.log) > self.max_log_length):
518
del self.log[0:len(self.log)-self.max_log_length-1]
519
self.logbox.set_focus(len(self.logbox.body.contents),
500
520
coming_from="above")
503
523
def toggle_log_display(self):
504
524
"""Toggle visibility of the log buffer."""
505
525
self.log_visible = not self.log_visible
507
log.debug("Log visibility changed to: %s", self.log_visible)
527
#self.log_message("Log visibility changed to: "
528
# + unicode(self.log_visible))
509
530
def change_log_display(self):
510
531
"""Change type of log display.
511
532
Currently, this toggles wrapping of text lines."""
515
536
self.log_wrap = "clip"
516
537
for textwidget in self.log:
517
538
textwidget.set_wrap_mode(self.log_wrap)
518
log.debug("Wrap mode: %s", self.log_wrap)
520
def find_and_remove_client(self, path, interfaces):
539
#self.log_message("Wrap mode: " + self.log_wrap)
541
def find_and_remove_client(self, path, name):
521
542
"""Find a client by its object path and remove it.
523
This is connected to the InterfacesRemoved signal from the
544
This is connected to the ClientRemoved signal from the
524
545
Mandos server object."""
525
if client_interface not in interfaces:
526
# Not a Mandos client object; ignore
529
547
client = self.clients_dict[path]
532
log.warning("Unknown client %s removed", path)
550
self.log_message("Unknown client %r (%r) removed", name,
536
def add_new_client(self, path, ifs_and_props):
537
"""Find a client by its object path and remove it.
539
This is connected to the InterfacesAdded signal from the
540
Mandos server object.
542
if client_interface not in ifs_and_props:
543
# Not a Mandos client object; ignore
555
def add_new_client(self, path):
545
556
client_proxy_object = self.bus.get_object(self.busname, path)
546
self.add_client(MandosClientWidget(
547
server_proxy_object=self.mandos_serv,
548
proxy_object=client_proxy_object,
549
update_hook=self.refresh,
550
delete_hook=self.remove_client,
551
properties=dict(ifs_and_props[client_interface])),
557
self.add_client(MandosClientWidget(server_proxy_object
560
=client_proxy_object,
554
569
def add_client(self, client, path=None):
555
570
self.clients.append(client)
557
572
path = client.proxy.object_path
558
573
self.clients_dict[path] = client
559
self.clients.sort(key=lambda c: c.properties["Name"])
574
self.clients.sort(None, lambda c: c.properties["Name"])
562
577
def remove_client(self, client, path=None):
563
578
self.clients.remove(client)
565
580
path = client.proxy.object_path
566
581
del self.clients_dict[path]
582
if not self.clients_dict:
583
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
584
# is completely emptied, we need to recreate it.
585
self.clients = urwid.SimpleListWalker([])
569
589
def refresh(self):
570
590
"""Redraw the screen"""
571
591
canvas = self.topwidget.render(self.size, focus=True)
572
592
self.screen.draw_screen(self.size, canvas)
575
595
"""Start the main loop and exit when it's done."""
576
log.addHandler(self.loghandler)
577
self.orig_log_propagate = log.propagate
578
log.propagate = False
579
self.orig_log_level = log.level
581
596
self.bus = dbus.SystemBus()
582
597
mandos_dbus_objc = self.bus.get_object(
583
598
self.busname, "/", follow_name_owner_changes=True)
584
self.mandos_serv = dbus.Interface(
585
mandos_dbus_objc, dbus_interface=server_interface)
599
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
587
603
mandos_clients = (self.mandos_serv
588
604
.GetAllClientsWithProperties())
589
if not mandos_clients:
590
log.warning("Note: Server has no clients.")
591
605
except dbus.exceptions.DBusException:
592
log.warning("Note: No Mandos server running.")
593
606
mandos_clients = dbus.Dictionary()
595
608
(self.mandos_serv
596
.connect_to_signal("InterfacesRemoved",
609
.connect_to_signal("ClientRemoved",
597
610
self.find_and_remove_client,
598
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
611
dbus_interface=server_interface,
599
612
byte_arrays=True))
600
613
(self.mandos_serv
601
.connect_to_signal("InterfacesAdded",
614
.connect_to_signal("ClientAdded",
602
615
self.add_new_client,
603
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
616
dbus_interface=server_interface,
604
617
byte_arrays=True))
605
618
(self.mandos_serv
606
619
.connect_to_signal("ClientNotFound",
607
620
self.client_not_found,
608
621
dbus_interface=server_interface,
609
622
byte_arrays=True))
610
for path, client in mandos_clients.items():
623
for path, client in mandos_clients.iteritems():
611
624
client_proxy_object = self.bus.get_object(self.busname,
613
self.add_client(MandosClientWidget(
614
server_proxy_object=self.mandos_serv,
615
proxy_object=client_proxy_object,
617
update_hook=self.refresh,
618
delete_hook=self.remove_client),
626
self.add_client(MandosClientWidget(server_proxy_object
629
=client_proxy_object,
622
self._input_callback_tag = (
624
GLib.IOChannel.unix_new(sys.stdin.fileno()),
625
GLib.PRIORITY_DEFAULT, GLib.IO_IN,
626
glib_safely(self.process_input)))
640
self._input_callback_tag = (gobject.io_add_watch
627
644
self.main_loop.run()
628
645
# Main loop has finished, we should close everything now
629
GLib.source_remove(self._input_callback_tag)
630
with warnings.catch_warnings():
631
warnings.simplefilter("ignore", BytesWarning)
646
gobject.source_remove(self._input_callback_tag)
635
650
self.main_loop.quit()
636
log.removeHandler(self.loghandler)
637
log.propagate = self.orig_log_propagate
639
652
def process_input(self, source, condition):
640
653
keys = self.screen.get_input()
641
translations = {"ctrl n": "down", # Emacs
642
"ctrl p": "up", # Emacs
643
"ctrl v": "page down", # Emacs
644
"meta v": "page up", # Emacs
645
" ": "page down", # less
646
"f": "page down", # less
647
"b": "page up", # less
654
translations = { "ctrl n": "down", # Emacs
655
"ctrl p": "up", # Emacs
656
"ctrl v": "page down", # Emacs
657
"meta v": "page up", # Emacs
658
" ": "page down", # less
659
"f": "page down", # less
660
"b": "page up", # less
653
666
key = translations[key]
654
667
except KeyError: # :-)
657
670
if key == "q" or key == "Q":
660
673
elif key == "window resize":
661
674
self.size = self.screen.get_cols_rows()
663
elif key == "ctrl l":
676
elif key == "\f": # Ctrl-L
666
678
elif key == "l" or key == "D":
667
679
self.toggle_log_display()
700
711
self.topwidget.set_focus(self.logbox)
703
if log.level < logging.INFO:
704
log.setLevel(logging.INFO)
705
log.info("Verbose mode: Off")
707
log.setLevel(logging.NOTSET)
708
log.info("Verbose mode: On")
709
# elif (key == "end" or key == "meta >" or key == "G"
711
# pass # xxx end-of-buffer
712
# elif (key == "home" or key == "meta <" or key == "g"
714
# pass # xxx beginning-of-buffer
715
# elif key == "ctrl e" or key == "$":
716
# pass # xxx move-end-of-line
717
# elif key == "ctrl a" or key == "^":
718
# pass # xxx move-beginning-of-line
719
# elif key == "ctrl b" or key == "meta (" or key == "h":
721
# elif key == "ctrl f" or key == "meta )" or key == "l":
724
# pass # scroll up log
726
# pass # scroll down log
713
#elif (key == "end" or key == "meta >" or key == "G"
715
# pass # xxx end-of-buffer
716
#elif (key == "home" or key == "meta <" or key == "g"
718
# pass # xxx beginning-of-buffer
719
#elif key == "ctrl e" or key == "$":
720
# pass # xxx move-end-of-line
721
#elif key == "ctrl a" or key == "^":
722
# pass # xxx move-beginning-of-line
723
#elif key == "ctrl b" or key == "meta (" or key == "h":
725
#elif key == "ctrl f" or key == "meta )" or key == "l":
728
# pass # scroll up log
730
# pass # scroll down log
727
731
elif self.topwidget.selectable():
728
732
self.topwidget.keypress(self.size, key)
733
class UILogHandler(logging.Handler):
734
def __init__(self, ui, *args, **kwargs):
736
super(UILogHandler, self).__init__(*args, **kwargs)
738
logging.Formatter("%(asctime)s: %(message)s"))
739
def emit(self, record):
740
msg = self.format(record)
741
if record.levelno > logging.INFO:
743
self.ui.add_log_line(msg)
746
736
ui = UserInterface()
749
739
except KeyboardInterrupt:
750
with warnings.catch_warnings():
751
warnings.filterwarnings("ignore", "", BytesWarning)
754
with warnings.catch_warnings():
755
warnings.filterwarnings("ignore", "", BytesWarning)
742
ui.log_message(unicode(e))