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proximity.py
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proximity.py
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#!/usr/bin/env python
# coding: utf-8
# blueproximity
SW_VERSION = '1.2.5-1'
# Add security to your desktop by automatically locking and unlocking
# the screen when you and your phone leave/enter the desk.
# Think of a proximity detector for your mobile phone via bluetooth.
# requires external bluetooth util hcitool to run
# (which makes it unix only at this time)
# Needed python extensions:
# ConfigObj (python-configobj)
# PyGTK (python-gtk2, python-glade2)
# Bluetooth (python-bluez)
# copyright by Lars Friedrichs <[email protected]>
# this source is licensed under the GPL.
# I'm a big fan of talkback about how it performs!
# I'm also open to feature requests and notes on programming issues, I am no python master at all...
# ToDo List can be found on sourceforge
# follow http://blueproximity.sourceforge.net
APP_NAME="blueproximity"
# system includes
import os
import sys
import time
import threading
import signal
import syslog
import locale
#Translation stuff
import gettext
## This value gives us the base directory for language files and icons.
# Set this value to './' for svn version
# or to '/usr/share/blueproximity/' for packaged version
dist_path = os.path.dirname(os.path.abspath(__file__))
print("Path: {}".format(dist_path))
#Get the local directory since we are not installing anything
local_path = dist_path + 'LANG/'
# Init the list of languages to support
langs = []
#Check the default locale
lc, encoding = locale.getdefaultlocale()
if (lc):
#If we have a default, it's the first in the list
langs = [lc]
# Now lets get all of the supported languages on the system
language = os.environ.get('LANGUAGE', None)
if (language):
"""langage comes back something like en_CA:en_US:en_GB:en
on linuxy systems, on Win32 it's nothing, so we need to
split it up into a list"""
langs += language.split(":")
"""Now add on to the back of the list the translations that we
know that we have, our defaults"""
langs += ["en"]
"""Now langs is a list of all of the languages that we are going
to try to use. First we check the default, then what the system
told us, and finally the 'known' list"""
gettext.bindtextdomain(APP_NAME, local_path)
gettext.textdomain(APP_NAME)
# Get the language to use
lang = gettext.translation(APP_NAME, local_path, languages=langs, fallback = True)
"""Install the language, map _() (which we marked our
strings to translate with) to self.lang.gettext() which will
translate them."""
_ = lang.gettext
# now the imports from external packages
try:
import gobject
except:
print _("The program cannot import the module gobject.")
print _("Please make sure the GObject bindings for python are installed.")
print _("e.g. with Ubuntu Linux, type")
print _(" sudo apt-get install python-gobject")
sys.exit(1)
try:
from configobj import ConfigObj
from validate import Validator
except:
print _("The program cannot import the module ConfigObj or Validator.")
print _("Please make sure the ConfigObject package for python is installed.")
print _("e.g. with Ubuntu Linux, type")
print _(" sudo apt-get install python-configobj")
sys.exit(1)
IMPORT_BT=0
try:
import bluetooth
IMPORT_BT = IMPORT_BT+1
except:
pass
try:
import _bluetooth as bluez
IMPORT_BT = IMPORT_BT+1
except:
pass
try:
import bluetooth._bluetooth as bluez
IMPORT_BT = IMPORT_BT+1
except:
pass
if (IMPORT_BT!=2):
print _("The program cannot import the module bluetooth.")
print _("Please make sure the bluetooth bindings for python as well as bluez are installed.")
print _("e.g. with Ubuntu Linux, type")
print _(" sudo apt-get install python-bluez")
sys.exit(1)
try:
import bluepy
except:
print _("The program cannot import the module bluepy.")
print _("Please make sure the bluetooth bindings for python as well as bluez are installed.")
print _("e.g. please install it via")
print _(" sudo pip install bluepy")
sys.exit(1)
try:
import pygtk
pygtk.require("2.0")
import gtk
except:
print _("The program cannot import the module pygtk.")
print _("Please make sure the GTK2 bindings for python are installed.")
print _("e.g. with Ubuntu Linux, type")
print _(" sudo apt-get install python-gtk2")
sys.exit(1)
try:
import gtk.glade
except:
print _("The program cannot import the module glade.")
print _("Please make sure the Glade2 bindings for python are installed.")
print _("e.g. with Ubuntu Linux, type")
print _(" sudo apt-get install python-glade2")
sys.exit(1)
## Setup config file specs and defaults
# This is the ConfigObj's syntax
conf_specs = [
'device_mac=string(max=17,default="")',
'device_channel=integer(1,30,default=7)',
'lock_distance=integer(0,127,default=7)',
'lock_duration=integer(0,120,default=6)',
'unlock_distance=integer(0,127,default=4)',
'unlock_duration=integer(0,120,default=1)',
'lock_command=string(default=''gnome-screensaver-command -l'')',
'unlock_command=string(default=''gnome-screensaver-command -d'')',
'proximity_command=string(default=''gnome-screensaver-command -p'')',
'proximity_interval=integer(5,600,default=60)',
'buffer_size=integer(1,255,default=1)',
'log_to_syslog=boolean(default=True)',
'log_syslog_facility=string(default=''local7'')',
'log_to_file=boolean(default=False)',
'log_filelog_filename=string(default=''' + os.getenv('HOME') + '/blueproximity.log'')'
]
## The icon used at normal operation and in the info dialog.
icon_base = 'blueproximity_base.svg'
## The icon used at distances greater than the unlock distance.
icon_att = 'blueproximity_attention.svg'
## The icon used if no proximity is detected.
icon_away = 'blueproximity_nocon.svg'
## The icon used during connection processes and with connection errors.
icon_con = 'blueproximity_error.svg'
## The icon shown if we are in pause mode.
icon_pause = 'blueproximity_pause.svg'
## This class represents the main configuration window and
# updates the config file after changes made are saved
class ProximityGUI (object):
## Constructor sets up the GUI and reads the current config
# @param configs A list of lists of name, ConfigObj object, proximity object
# @param show_window_on_start Set to True to show the config screen immediately after the start.
# This is true if no prior config file has been detected (initial start).
def __init__(self,configs,show_window_on_start):
#This is to block events from firing a config write because we initialy set a value
self.gone_live = False
#Set the Glade file
self.gladefile = dist_path + "proximity.glade"
self.wTree = gtk.glade.XML(self.gladefile)
#Create our dictionary and connect it
dic = { "on_btnInfo_clicked" : self.aboutPressed,
"on_btnClose_clicked" : self.btnClose_clicked,
"on_btnNew_clicked" : self.btnNew_clicked,
"on_btnDelete_clicked" : self.btnDelete_clicked,
"on_btnRename_clicked" : self.btnRename_clicked,
"on_comboConfig_changed" : self.comboConfig_changed,
"on_btnScan_clicked" : self.btnScan_clicked,
"on_btnScanChannel_clicked" : self.btnScanChannel_clicked,
"on_btnSelect_clicked" : self.btnSelect_clicked,
"on_btnResetMinMax_clicked" : self.btnResetMinMax_clicked,
"on_settings_changed" : self.event_settings_changed,
"on_settings_changed_reconnect" : self.event_settings_changed_reconnect,
"on_treeScanChannelResult_changed" : self.event_scanChannelResult_changed,
"on_btnDlgNewDo_clicked" : self.dlgNewDo_clicked,
"on_btnDlgNewCancel_clicked" : self.dlgNewCancel_clicked,
"on_btnDlgRenameDo_clicked" : self.dlgRenameDo_clicked,
"on_btnDlgRenameCancel_clicked" : self.dlgRenameCancel_clicked,
"on_MainWindow_destroy" : self.btnClose_clicked }
self.wTree.signal_autoconnect(dic)
#Get the Main Window, and connect the "destroy" event
self.window = self.wTree.get_widget("MainWindow")
if (self.window):
self.window.connect("delete_event", self.btnClose_clicked)
self.window.set_icon(gtk.gdk.pixbuf_new_from_file(dist_path + icon_base))
self.proxi = configs[0][2]
self.minDist = -255
self.maxDist = 0
self.pauseMode = False
self.lastMAC = ''
self.scanningChannels = False
#Get the New Config Window, and connect the "destroy" event
self.windowNew = self.wTree.get_widget("createNewWindow")
if (self.windowNew):
self.windowNew.connect("delete_event", self.dlgNewCancel_clicked)
#Get the Rename Config Window, and connect the "destroy" event
self.windowRename = self.wTree.get_widget("renameWindow")
if (self.windowRename):
self.windowRename.connect("delete_event", self.dlgRenameCancel_clicked)
#Prepare the mac/name table
self.model = gtk.ListStore(gobject.TYPE_STRING,gobject.TYPE_STRING)
self.tree = self.wTree.get_widget("treeScanResult")
self.tree.set_model(self.model)
self.tree.get_selection().set_mode(gtk.SELECTION_SINGLE)
colLabel=gtk.TreeViewColumn(_('MAC'), gtk.CellRendererText(), text=0)
colLabel.set_resizable(True)
colLabel.set_sort_column_id(0)
self.tree.append_column(colLabel)
colLabel=gtk.TreeViewColumn(_('Name'), gtk.CellRendererText(), text=1)
colLabel.set_resizable(True)
colLabel.set_sort_column_id(1)
self.tree.append_column(colLabel)
#Prepare the channel/state table
self.modelScan = gtk.ListStore(gobject.TYPE_STRING,gobject.TYPE_STRING)
self.treeChan = self.wTree.get_widget("treeScanChannelResult")
self.treeChan.set_model(self.modelScan)
colLabel=gtk.TreeViewColumn(_('Channel'), gtk.CellRendererText(), text=0)
colLabel.set_resizable(True)
colLabel.set_sort_column_id(0)
self.treeChan.append_column(colLabel)
colLabel=gtk.TreeViewColumn(_('State'), gtk.CellRendererText(), text=1)
colLabel.set_resizable(True)
colLabel.set_sort_column_id(1)
self.treeChan.append_column(colLabel)
#Show the current settings
self.configs = configs
self.configname = configs[0][0]
self.config = configs[0][1]
self.fillConfigCombo()
self.readSettings()
#this is the gui timer
self.timer = gobject.timeout_add(1000,self.updateState)
#fixme: this will execute the proximity command at the given interval - is now not working
self.timer2 = gobject.timeout_add(1000*self.config['proximity_interval'],self.proximityCommand)
#Only show if we started unconfigured
if show_window_on_start:
self.window.show()
#Prepare icon
self.icon = gtk.StatusIcon()
self.icon.set_tooltip(_("BlueProximity starting..."))
self.icon.set_from_file(dist_path + icon_con)
#Setup the popup menu and associated callbacks
self.popupmenu = gtk.Menu()
menuItem = gtk.ImageMenuItem(gtk.STOCK_PREFERENCES)
menuItem.connect('activate', self.showWindow)
self.popupmenu.append(menuItem)
menuItem = gtk.ImageMenuItem(gtk.STOCK_MEDIA_PAUSE)
menuItem.connect('activate', self.pausePressed)
self.popupmenu.append(menuItem)
menuItem = gtk.ImageMenuItem(gtk.STOCK_ABOUT)
menuItem.connect('activate', self.aboutPressed)
self.popupmenu.append(menuItem)
menuItem = gtk.MenuItem()
self.popupmenu.append(menuItem)
menuItem = gtk.ImageMenuItem(gtk.STOCK_QUIT)
menuItem.connect('activate', self.quit)
self.popupmenu.append(menuItem)
self.icon.connect('activate', self.showWindow)
self.icon.connect('popup-menu', self.popupMenu, self.popupmenu)
self.icon.set_visible(True)
#now the control may fire change events
self.gone_live = True
#log start in all config files
for config in self.configs:
config[2].logger.log_line(_('started.'))
## Callback to just close and not destroy the rename config window
def dlgRenameCancel_clicked(self,widget, data = None):
self.windowRename.hide()
return 1
## Callback to rename a config file.
def dlgRenameDo_clicked(self, widget, data = None):
newconfig = self.wTree.get_widget("entryRenameName").get_text()
# check if something has been entered
if (newconfig==''):
dlg = gtk.MessageDialog(None, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, _("You must enter a name for the configuration."))
dlg.run()
dlg.destroy()
return 0
# now check if that config already exists
newname = os.path.join(os.getenv('HOME'),'.blueproximity',newconfig + ".conf")
try:
os.stat(newname)
dlg = gtk.MessageDialog(None, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, _("A configuration file with the name '%s' already exists.") % newname)
dlg.run()
dlg.destroy()
return 0
except:
pass
config = None
for conf in self.configs:
if (conf[0]==self.configname):
config = conf
# change the path of the config file
oldfile = self.config.filename
self.config.filename = newname
# save it under the new name
self.config.write()
# delete the old file
try:
os.remove(oldfile)
except:
print _("The configfile '%s' could not be deleted.") % oldfile
# change the gui name
self.configname = newconfig
# update the configs array
config[0] = newconfig
# show changes
self.fillConfigCombo()
self.windowRename.hide()
## Callback to just close and not destroy the new config window
def dlgNewCancel_clicked(self,widget, data = None):
self.windowNew.hide()
return 1
## Callback to create a config file.
def dlgNewDo_clicked(self, widget, data = None):
newconfig = self.wTree.get_widget("entryNewName").get_text()
# check if something has been entered
if (newconfig==''):
dlg = gtk.MessageDialog(None, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, _("You must enter a name for the new configuration."))
dlg.run()
dlg.destroy()
return 0
# now check if that config already exists
newname = os.path.join(os.getenv('HOME'),'.blueproximity',newconfig + ".conf")
try:
os.stat(newname)
dlg = gtk.MessageDialog(None, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, _("A configuration file with the name '%s' already exists.") % newname)
dlg.run()
dlg.destroy()
return 0
except:
pass
# then let's get it on...
# create the new config
newconf = ConfigObj(self.config.dict())
newconf.filename = newname
# and save it to the new name
newconf.write()
# create the according Proximity object
p = Proximity(newconf)
p.Simulate = True
p.start()
# fill that into our list of active configs
self.configs.append([newconfig,newconf,p])
# now refresh the gui to take account of our new config
self.config = newconf
self.configname = newconfig
self.proxi = p
self.readSettings()
self.configs.sort()
self.fillConfigCombo()
# close the new config dialog
self.windowNew.hide()
## Helper function to enable or disable the change or creation of the config files
# This is called during non blockable functions that rely on the config not
# being changed over the process like scanning for devices or channels
# @param activate set to True to activate buttons, False to disable
def setSensitiveConfigManagement(self,activate):
# get the widget
combo = self.wTree.get_widget("comboConfig")
combo.set_sensitive(activate)
button = self.wTree.get_widget("btnNew")
button.set_sensitive(activate)
button = self.wTree.get_widget("btnRename")
button.set_sensitive(activate)
button = self.wTree.get_widget("btnDelete")
button.set_sensitive(activate)
## Helper function to populate the list of configurations.
def fillConfigCombo(self):
# get the widget
combo = self.wTree.get_widget("comboConfig")
model = combo.get_model()
combo.set_model(None)
# delete the list
model.clear()
pos = 0
activePos = -1
# add all configurations we have, remember the index of the active one
for conf in self.configs:
model.append([conf[0]])
if (conf[0]==self.configname):
activePos = pos
pos = pos + 1
combo.set_model(model)
# let the comboBox show the active config entry
if (activePos != -1):
combo.set_active(activePos)
## Callback to select a different config file for editing.
def comboConfig_changed(self, widget, data = None):
# get the widget
combo = self.wTree.get_widget("comboConfig")
model = combo.get_model()
name = combo.get_active_text()
# only continue if this is different to the former config
if (name != self.configname):
newconf = None
# let's find the new ConfigObj
for conf in self.configs:
if (name == conf[0]):
newconf = conf
# if found set it as our active one and show it's settings in the GUI
if (newconf != None):
self.config = newconf[1]
self.configname = newconf[0]
self.proxi = newconf[2]
self.readSettings()
## Callback to create a new config file for editing.
def btnNew_clicked(self, widget, data = None):
# reset the entry widget
self.wTree.get_widget("entryNewName").set_text('')
self.windowNew.show()
## Callback to delete a config file.
def btnDelete_clicked(self, widget, data = None):
# never delete the last config
if (len(self.configs)==1):
dlg = gtk.MessageDialog(None, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, _("The last configuration file cannot be deleted."))
dlg.run()
dlg.destroy()
return 0
# security question
dlg = gtk.MessageDialog(None, gtk.DIALOG_MODAL, gtk.MESSAGE_ERROR, gtk.BUTTONS_YES_NO, _("Do you really want to delete the configuration '%s'.") % self.configname)
retval = dlg.run()
dlg.destroy()
if (retval == gtk.RESPONSE_YES):
# ok, now stop the detection for that config
self.proxi.Stop = True
# save the filename
configfile = self.config.filename
# rip it out of our configs array
self.configs.remove([self.configname, self.config, self.proxi])
# change active config to the next one
self.configs.sort()
self.configname = configs[0][0]
self.config = configs[0][1]
self.proxi = configs[0][2]
# update gui
self.readSettings()
self.fillConfigCombo()
# now delete the file on the disk
try:
os.remove(configfile)
except:
# should this be a GUI message?
print _("The configfile '%s' could not be deleted.") % configfile
## Callback to rename a config file.
def btnRename_clicked(self, widget, data = None):
# set the entry widget
self.wTree.get_widget("entryRenameName").set_text(self.configname)
self.windowRename.show()
## Callback to show the pop-up menu if icon is right-clicked.
def popupMenu(self, widget, button, time, data = None):
if button == 3:
if data:
data.show_all()
data.popup(None, None, None, 3, time)
pass
## Callback to show and hide the config dialog.
def showWindow(self, widget, data = None):
if self.window.get_property("visible"):
self.Close()
else:
self.window.show()
for config in self.configs:
config[2].Simulate = True
## Callback to create and show the info dialog.
def aboutPressed(self, widget, data = None):
logo = gtk.gdk.pixbuf_new_from_file(dist_path + icon_base)
description = _("Leave it - it's locked, come back - it's back too...")
copyright = u"""Copyright (c) 2007,2008 Lars Friedrichs"""
people = [
u"Lars Friedrichs <[email protected]>",
u"Tobias Jakobs",
u"Zsolt Mazolt"]
translators = """Translators:
de Lars Friedrichs <[email protected]>
en Lars Friedrichs <[email protected]>
es César Palma <[email protected]>
fa Ali Sattari <[email protected]>
hu Kami <[email protected]>
it e633 <[email protected]>
Prosper <[email protected]>
ru Alexey Lubimov
sv Jan Braunisch <[email protected]>
th Maythee Anegboonlap & pFz <[email protected]>
Former translators:
fr Claude <[email protected]>
sv Alexander Jönsson <[email protected]>
sv Daniel Nylander <[email protected]>
"""
license = _("""
BlueProximity is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
BlueProximity 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with BlueProximity; if not, write to the
Free Software Foundation, Inc.,
59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
""")
about = gtk.AboutDialog()
about.set_icon(logo)
about.set_name("BlueProximity")
about.set_version(SW_VERSION)
about.set_copyright(copyright)
about.set_comments(description)
about.set_authors(people)
about.set_logo(logo)
about.set_license(license)
about.set_website("http://blueproximity.sourceforge.net")
about.set_translator_credits(translators)
about.connect('response', lambda widget, response: widget.destroy())
about.show()
## Callback to activate and deactivate pause mode.
# This is actually done by removing the proximity object's mac address.
def pausePressed(self, widget, data = None):
if self.pauseMode:
self.pauseMode = False
for config in configs:
config[2].dev_mac = config[2].lastMAC
config[2].Simulate = False
self.icon.set_from_file(dist_path + icon_con)
else:
self.pauseMode = True
for config in configs:
config[2].lastMAC = config[2].dev_mac
config[2].dev_mac = ''
config[2].Simulate = True
config[2].kill_connection()
## helper function to set a ComboBox's value to value if that exists in the Combo's list
# The value is not changed if the new value is not member of the list.
# @param widget a gtkComboBox object
# @param value the value the gtkComboBox should be set to.
def setComboValue(self, widget, value):
model = widget.get_model()
for row in model:
if row[0] == value:
widget.set_active_iter(row.iter)
break
## helper function to get a ComboBox's value
def getComboValue(self, widget):
model = widget.get_model()
iter = widget.get_active_iter()
return model.get_value(iter, 0)
## Reads the config settings and sets all GUI components accordingly.
def readSettings(self):
#Updates the controls to show the actual configuration of the running proximity
was_live = self.gone_live
self.gone_live = False
self.wTree.get_widget("entryMAC").set_text(self.config['device_mac'])
self.wTree.get_widget("entryChannel").set_value(int(self.config['device_channel']))
self.wTree.get_widget("hscaleLockDist").set_value(int(self.config['lock_distance']))
self.wTree.get_widget("hscaleLockDur").set_value(int(self.config['lock_duration']))
self.wTree.get_widget("hscaleUnlockDist").set_value(int(self.config['unlock_distance']))
self.wTree.get_widget("hscaleUnlockDur").set_value(int(self.config['unlock_duration']))
self.wTree.get_widget("comboLock").child.set_text(self.config['lock_command'])
self.wTree.get_widget("comboUnlock").child.set_text(self.config['unlock_command'])
self.wTree.get_widget("comboProxi").child.set_text(self.config['proximity_command'])
self.wTree.get_widget("hscaleProxi").set_value(self.config['proximity_interval'])
self.wTree.get_widget("checkSyslog").set_active(self.config['log_to_syslog'])
self.setComboValue(self.wTree.get_widget("comboFacility"), self.config['log_syslog_facility'])
self.wTree.get_widget("checkFile").set_active(self.config['log_to_file'])
self.wTree.get_widget("entryFile").set_text(self.config['log_filelog_filename'])
self.gone_live = was_live
## Reads the current settings from the GUI and stores them in the configobj object.
def writeSettings(self):
#Updates the running proximity and the config file with the new settings from the controls
was_live = self.gone_live
self.gone_live = False
self.proxi.dev_mac = self.wTree.get_widget("entryMAC").get_text()
self.proxi.dev_channel = int(self.wTree.get_widget("entryChannel").get_value())
self.proxi.gone_limit = -self.wTree.get_widget("hscaleLockDist").get_value()
self.proxi.gone_duration = self.wTree.get_widget("hscaleLockDur").get_value()
self.proxi.active_limit = -self.wTree.get_widget("hscaleUnlockDist").get_value()
self.proxi.active_duration = self.wTree.get_widget("hscaleUnlockDur").get_value()
self.config['device_mac'] = str(self.proxi.dev_mac)
self.config['device_channel'] = str(self.proxi.dev_channel)
self.config['lock_distance'] = int(-self.proxi.gone_limit)
self.config['lock_duration'] = int(self.proxi.gone_duration)
self.config['unlock_distance'] = int(-self.proxi.active_limit)
self.config['unlock_duration'] = int(self.proxi.active_duration)
self.config['lock_command'] = self.wTree.get_widget('comboLock').child.get_text()
self.config['unlock_command'] = str(self.wTree.get_widget('comboUnlock').child.get_text())
self.config['proximity_command'] = str(self.wTree.get_widget('comboProxi').child.get_text())
self.config['proximity_interval'] = int(self.wTree.get_widget('hscaleProxi').get_value())
self.config['log_to_syslog'] = self.wTree.get_widget("checkSyslog").get_active()
self.config['log_syslog_facility'] = str(self.getComboValue(self.wTree.get_widget("comboFacility")))
self.config['log_to_file'] = self.wTree.get_widget("checkFile").get_active()
self.config['log_filelog_filename'] = str(self.wTree.get_widget("entryFile").get_text())
self.proxi.logger.configureFromConfig(self.config)
self.config.write()
self.gone_live = was_live
## Callback for resetting the values for the min/max viewer.
def btnResetMinMax_clicked(self,widget, data = None):
self.minDist = -255
self.maxDist = 0
## Callback called by almost all GUI elements if their values are changed.
# We don't react if we are still initializing (self.gone_live==False)
# because setting the values of the elements would already fire their change events.
# @see gone_live
def event_settings_changed(self,widget, data = None):
if self.gone_live:
self.writeSettings()
pass
## Callback called by certain GUI elements if their values are changed.
# We don't react if we are still initializing (self.gone_live==False)
# because setting the values of the elements would already fire their change events.
# But in any case we kill a possibly existing connection.
# Changing the rfcomm channel e.g. fires this event instead of event_settings_changed.
# @see event_settings_changed
def event_settings_changed_reconnect(self,widget, data = None):
self.proxi.kill_connection()
if self.gone_live:
self.writeSettings()
pass
## Callback called when one clicks into the channel scan results.
# It sets the 'selected channel' field to the selected channel
def event_scanChannelResult_changed(self,widget, data = None):
# Put selected channel in channel entry field
selection = self.wTree.get_widget("treeScanChannelResult").get_selection()
(model, iter) = selection.get_selected()
value = model.get_value(iter, 0)
self.wTree.get_widget("entryChannel").set_value(int(value))
self.writeSettings()
## Callback to just close and not destroy the main window
def btnClose_clicked(self,widget, data = None):
self.Close()
return 1
## Callback called when one clicks on the 'use selected address' button
# it copies the MAC address of the selected device into the mac address field.
def btnSelect_clicked(self,widget, data = None):
#Takes the selected entry in the mac/name table and enters its mac in the MAC field
selection = self.tree.get_selection()
selection.set_mode(gtk.SELECTION_SINGLE)
model, selection_iter = selection.get_selected()
if (selection_iter):
mac = self.model.get_value(selection_iter, 0)
self.wTree.get_widget("entryMAC").set_text(mac)
self.writeSettings()
## Callback that is executed when the scan for devices button is clicked
# actually it starts the scanning asynchronously to have the gui redraw nicely before hanging :-)
def btnScan_clicked(self,widget, data = None):
# scan the area for bluetooth devices and show the results
watch = gtk.gdk.Cursor(gtk.gdk.WATCH)
self.window.window.set_cursor(watch)
self.model.clear()
self.model.append(['...', _('Now scanning...')])
self.setSensitiveConfigManagement(False)
gobject.idle_add(self.cb_btnScan_clicked)
## Asynchronous callback function to do the actual device discovery scan
def cb_btnScan_clicked(self):
tmpMac = self.proxi.dev_mac
self.proxi.dev_mac = ''
self.proxi.kill_connection()
macs = []
try:
macs = self.proxi.get_device_list()
except:
macs = [['', _('Sorry, the bluetooth device is busy connecting.\nPlease enter a correct mac address or no address at all\nfor the config that is not connecting and try again later.')]]
self.proxi.dev_mac = tmpMac
self.model.clear()
for mac in macs:
self.model.append([mac[0], mac[1]])
self.window.window.set_cursor(None)
self.setSensitiveConfigManagement(True)
## Callback that is executed when the scan channels button is clicked.
# It starts an asynchronous scan for the channels via initiating a ScanDevice object.
# That object does the magic, updates the gui and afterwards calls the callback function btnScanChannel_done .
def btnScanChannel_clicked(self,widget, data = None):
# scan the selected device for possibly usable channels
if self.scanningChannels:
self.wTree.get_widget("labelBtnScanChannel").set_label(_("Sca_n channels on device"))
self.wTree.get_widget("channelScanWindow").hide_all()
self.scanningChannels = False
self.scanner.doStop()
self.setSensitiveConfigManagement(True)
else:
self.setSensitiveConfigManagement(False)
mac = self.proxi.dev_mac
if self.pauseMode:
mac = self.lastMAC
was_paused = True
else:
self.pausePressed(None)
was_paused = False
self.wTree.get_widget("labelBtnScanChannel").set_label(_("Stop sca_nning"))
self.wTree.get_widget("channelScanWindow").show_all()
self.scanningChannels = True
dialog = gtk.MessageDialog(message_format=_("The scanning process tries to connect to each of the 30 possible ports. This will take some time and you should watch your bluetooth device for any actions to be taken. If possible click on accept/connect. If you are asked for a pin your device was not paired properly before, see the manual on how to fix this."),buttons=gtk.BUTTONS_OK)
dialog.connect("response", lambda x,y: dialog.destroy())
dialog.run()
self.scanner = ScanDevice(mac,self.modelScan,was_paused,self.btnScanChannel_done)
return 0
## The callback that is called by the ScanDevice object that scans for a device's usable rfcomm channels.
# It is called after all channels have been scanned.
# @param was_paused informs this function about the pause state before the scan started.
# That state will be reconstructed by the function.
def btnScanChannel_done(self,was_paused):
self.wTree.get_widget("labelBtnScanChannel").set_label(_("Sca_n channels on device"))
self.scanningChannels = False
self.setSensitiveConfigManagement(True)
if not was_paused:
self.pausePressed(None)
self.proxi.Simulate = True
def Close(self):
#Hide the settings window
self.window.hide()
#Disable simulation mode for all configs
for config in configs:
config[2].Simulate = False
def quit(self, widget, data = None):
#try to close everything correctly
self.icon.set_from_file(dist_path + icon_att)
for config in configs:
config[2].logger.log_line(_('stopped.'))
config[2].Stop = 1
time.sleep(2)
gtk.main_quit()
## Updates the GUI (values, icon, tooltip) with the latest values
# is always called via gobject.timeout_add call to run asynchronously without a seperate thread.
def updateState(self):
# update the display with newest measurement values (once per second)
newVal = int(self.proxi.Dist) # Values are negative!
if newVal > self.minDist:
self.minDist = newVal
if newVal < self.maxDist:
self.maxDist = newVal
self.wTree.get_widget("labState").set_text(_("min: ") +
str(-self.minDist) + _(" max: ") + str(-self.maxDist) + _(" state: ") + self.proxi.State)
self.wTree.get_widget("hscaleAct").set_value(-newVal)
#Update icon too
if self.pauseMode:
self.icon.set_from_file(dist_path + icon_pause)
self.icon.set_tooltip(_('Pause Mode - not connected'))
else:
# we have to show the 'worst case' since we only have one icon but many configs...
connection_state = 0
con_info = ''
con_icons = [icon_base, icon_att, icon_away, icon_con ]
for config in configs:
if config[2].ErrorMsg == "No connection found, trying to establish one...":
connection_state = 3
else:
if config[2].State != _('active'):
if (connection_state < 2):
connection_state = 2
else:
if newVal < config[2].active_limit:
if (connection_state < 1):
connection_state = 1
if (con_info != ''):
con_info = con_info + '\n\n'
con_info = con_info + config[0] + ': ' + _('Detected Distance: ') + str(-config[2].Dist) + '; ' + _("Current State: ") + config[2].State + '; ' + _("Status: ") + config[2].ErrorMsg
if self.proxi.Simulate:
simu = _('\nSimulation Mode (locking disabled)')
else:
simu = ''
self.icon.set_from_file(dist_path + con_icons[connection_state])
self.icon.set_tooltip(con_info + '\n' + simu)
self.timer = gobject.timeout_add(1000,self.updateState)
def proximityCommand(self):
#This is the proximity command callback called asynchronously as the updateState above
if self.proxi.State == _('active') and not self.proxi.Simulate:
ret_val = os.popen(self.config['proximity_command']).readlines()
self.timer2 = gobject.timeout_add(1000*self.config['proximity_interval'],self.proximityCommand)
## This class creates all logging information in the desired form.
# We may log to syslog with a given syslog facility, while the severety is always info.
# We may also log a simple file.
class Logger(object):
## Constructor does nothing special.
def __init__(self):
self.disable_syslogging()
self.disable_filelogging()
## helper function to convert a string (given by a ComboBox) to the corresponding
# syslog module facility constant.
# @param facility One of the 8 "localX" facilities or "user".
def getFacilityFromString(self, facility):
#Returns the correct constant value for the given facility
dict = {
"local0" : syslog.LOG_LOCAL0,
"local1" : syslog.LOG_LOCAL1,
"local2" : syslog.LOG_LOCAL2,
"local3" : syslog.LOG_LOCAL3,
"local4" : syslog.LOG_LOCAL4,
"local5" : syslog.LOG_LOCAL5,
"local6" : syslog.LOG_LOCAL6,
"local7" : syslog.LOG_LOCAL7,
"user" : syslog.LOG_USER
}
return dict[facility]
## Activates the logging to the syslog server.
def enable_syslogging(self, facility):
self.syslog_facility = self.getFacilityFromString(facility)
syslog.openlog('blueproximity',syslog.LOG_PID)
self.syslogging = True
## Deactivates the logging to the syslog server.
def disable_syslogging(self):
self.syslogging = False
self.syslog_facility = None
## Activates the logging to the given file.
# Actually tries to append to that file first, afterwards tries to write to it.
# If both don't work it gives an error message on stdout and does not activate the logging.
# @param filename The complete filename where to log to
def enable_filelogging(self, filename):
self.filename = filename
try:
#let's append
self.flog = file(filename,'a')
self.filelogging = True
except:
try:
#did not work, then try to create file (is this really needed or does python know another attribute to file()?
self.flog = file(filename,'w')
self.filelogging = True
except:
print _("Could not open logfile '%s' for writing." % filename)
self.disable_filelogging
## Deactivates logging to a file.
def disable_filelogging(self):
try:
self.flog.close()
except:
pass
self.filelogging = False
self.filename = ''
## Outputs a line to the logs. Takes care of where to put the line.
# @param line A string that is printed in the logs. The string is unparsed and not sanatized by any means.
def log_line(self, line):
if self.syslogging:
syslog.syslog(self.syslog_facility | syslog.LOG_NOTICE, line)
if self.filelogging:
try:
self.flog.write( time.ctime() + " blueproximity: " + line + "\n")
self.flog.flush()
except:
self.disable_filelogging()
## Activate the logging mechanism that are requested by the given configuration.
# @param config A ConfigObj object containing the needed settings.
def configureFromConfig(self, config):
if config['log_to_syslog']:
self.enable_syslogging(config['log_syslog_facility'])
else:
self.disable_syslogging()
if config['log_to_file']:
if self.filelogging and config['log_filelog_filename'] != self.filename:
self.disable_filelogging()
self.enable_filelogging(config['log_filelog_filename'])
elif not self.filelogging:
self.enable_filelogging(config['log_filelog_filename'])
## ScanDevice is a helper class used for scanning for open rfcomm channels
# on a given device. It uses asynchronous calls via gobject.timeout_add to
# not block the main process. It updates a given model after every scanned port
# and calls a callback function after finishing the scanning process.
class ScanDevice(object):
## Constructor which sets up and immediately starts the scanning process.
# Note that the bluetooth device should not be connected while scanning occurs.
# @param device_mac MAC address of the bluetooth device to be scanned.
# @param was_paused A parameter to be passed to the finishing callback function.
# This is to automatically put the GUI in simulation mode if it has been before scanning. (dirty hack)
# @param callback A callback function to be called after scanning has been done.
# It takes one parameter which is preset by the was_paused parameter.
def __init__(self,device_mac,model,was_paused,callback):
self.mac = device_mac
self.model = model
self.stopIt = False
self.port = 1
self.timer = gobject.timeout_add(500,self.runStep)
self.model.clear()
self.was_paused = was_paused
self.callback = callback
## Checks whether a certain port on the given mac address is reachable.
# @param port An integer from 1 to 30 giving the rfcomm channel number to try to reach.
# The function does not return True/False but the actual translated strings.
def scanPortResult(self,port):
# here we scan exactly one port and give a textual result
_sock = bluez.btsocket()
sock = bluetooth.BluetoothSocket( bluetooth.RFCOMM , _sock )
try:
sock.connect((self.mac, port))
sock.close
return _("usable")
except:
return _("closed or denied")
## Asynchronous working thread.
# It scans a single port at a time and reruns with the next one in the next loop.
def runStep(self):
# here the scanning of all ports is done
self.model.append([str(self.port), self.scanPortResult(self.port)])
self.port = self.port + 1
if not self.port > 30 and not self.stopIt:
self.timer = gobject.timeout_add(500,self.runStep)
else:
self.callback(self.was_paused)