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23297b3f7e
curses/wicd-curses.py: ADDED (new (very incomplete) curses UI) curses/README: ADDED (Simple README. Hope it says enough for the moment) curses/TODO: ADDED (Simple, incomplete, TODO list)
340 lines
12 KiB
Python
340 lines
12 KiB
Python
#!/usr/bin/env python
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""" wicd-curses -- a (cursed-based) console interface to wicd
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Provides the a console UI for wicd, so that people with broken X servers can
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at least get a network connection. Or for those who don't like using X. :-)
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"""
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# Copyright (C) 2008 Andrew Psaltis
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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 2 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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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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"""
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This contains/will contain A LOT of code from the other parts of wicd.
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This is probably due to the fact that I did not really know what I was doing
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when I started writing this. It works, so I guess that's all that matters.
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Comments, criticisms, patches all welcome!
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"""
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# UI stuff
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#import urwid.raw_display
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import urwid.curses_display
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import urwid
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# DBus communication stuff
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import dbus
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import dbus.service
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# It took me a while to figure out that I have to use this.
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import gobject
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# Other stuff
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import wicd.misc as misc
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#import sys
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# Both of these are not currently used, until I can best resolve how to use them
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#import functions
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#from functions import language #,Functions
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# Translations for the text that people will see... as of yet. This code is
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# already found in the gui.py file
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# Stick into own ui_common file?
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_ = misc.get_gettext()
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language = {}
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language['connected_to_wireless'] = _('Connected to $A at $B (IP: $C)')
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language['connected_to_wired'] = _('Connected to wired network (IP: $A)')
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language['not_connected'] = _('Not connected')
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# I might not need this... but I'm not sure so much yet.
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if getattr(dbus, 'version', (0, 0, 0)) < (0, 80, 0):
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import dbus.glib
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else:
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from dbus.mainloop.glib import DBusGMainLoop
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DBusGMainLoop(set_as_default=True)
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# Look familiar? These two functions are clones of functions found in wicd's
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# gui.py file, except that now set_status is a function passed to them.
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def check_for_wired(wired_ip,set_status):
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""" Determine if wired is active, and if yes, set the status. """
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if wired_ip and wired.CheckPluggedIn():
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set_status(language['connected_to_wired'].replace('$A',wired_ip))
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return True
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else:
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return False
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def check_for_wireless(iwconfig, wireless_ip, set_status):
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""" Determine if wireless is active, and if yes, set the status. """
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if not wireless_ip:
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return False
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network = wireless.GetCurrentNetwork(iwconfig)
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if not network:
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return False
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network = str(network)
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if daemon.GetSignalDisplayType() == 0:
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strength = wireless.GetCurrentSignalStrength(iwconfig)
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else:
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strength = wireless.GetCurrentDBMStrength(iwconfig)
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if strength is None:
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return False
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strength = str(strength)
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ip = str(wireless_ip)
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set_status(language['connected_to_wireless'].replace
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('$A', network).replace
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('$B', daemon.FormatSignalForPrinting(strength)).replace
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('$C', wireless_ip))
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return True
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# Self explanitory, and not used until I can get some list sort function
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# working...
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def gen_list_header():
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return '%3s %4s %s %19s %s ' % ('NUM','STR','BSSID','CHANNEL','ESSID')
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# Generate the list of networks.
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# Mostly borrowed/stolen from wpa_cli, since I had no clue what all of those
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# DBUS interfaces do. ^_^
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def gen_network_list():
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#theList = [urwid.Text(gen_list_header())]
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theList = []
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id = 0
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for profile in config.GetWiredProfileList():
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if id == 0:
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#theList.append(urwid.Text("Wired Network(s):"))
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theList.append(ListElem("Wired Network(s):"))
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theList.append(NetElem('%3s%*s' % (id, 33+len(profile),profile)))
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++id
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for network_id in range(0, wireless.GetNumberOfNetworks()):
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if network_id == 0:
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theList.append(ListElem("Wireless Network(s):"))
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elem = '%3s %3s%% %17s %3s %s' % ( network_id,
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wireless.GetWirelessProperty(network_id, 'quality'),
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wireless.GetWirelessProperty(network_id, 'bssid'),
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wireless.GetWirelessProperty(network_id, 'channel'),
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wireless.GetWirelessProperty(network_id, 'essid'))
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theList.append(NetElem(elem))
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return theList
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# Widget representing an individual network element
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# This will be more complicated later, once I know the rest of it works
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class NetElem(urwid.WidgetWrap):
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"""Defines a selectable element, either a wireless or wired network profile,
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in a NetList
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"""
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def __init__(self, theText):
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self.label = urwid.AttrWrap(urwid.Text(theText),None)
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w = self.label
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self.__super.__init__(w)
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self.selected = False
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self.update_w()
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# Make the thing selectable.
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def selectable(self):
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return True
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# Update the widget.
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# Called by NetList below pretty often
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def update_w(self):
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if self.selected:
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self._w.attr = 'selected'
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self._w.focus_attr = 'selected'
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else:
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self._w.attr = 'body'
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self._w.focus_attr = 'body'
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# Don't handle any keys... yet
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def keypress(self, size, key):
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return key
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# Hackish. Designed to make my problems go away until I get around to cleaning
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# this thing up. NetElem should be a subclass of ListElem. It'll make more
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# sense later, once I start cleaning up some of the code...
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class ListElem(NetElem):
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""" Defines a non-selectable element that happens to be hanging out in a
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NetList
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"""
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def selectable(self):
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return False
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# Class representing the list of networks that appears in the middle.
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# Just a listbox with some special features
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class NetList(urwid.WidgetWrap):
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""" The list of elements that sits in the middle of the screen most of the
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time.
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"""
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def __init__(self, elems):
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self.lbox = urwid.AttrWrap(urwid.ListBox(elems),'body')
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w = self.lbox
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self.__super.__init__(w)
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#self.selected = False
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# The first element in the list is to be selected first, since that one
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# is a header
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elems[1].selected = True
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elems[1].update_w()
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#widget.update_w()
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# Pick the selected-ness of the app
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def update_selected(self,is_selected):
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(elem, num) = self.w.get_focus()
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elem.selected = is_selected
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elem.update_w()
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# Updates the selected element, moves the focused element, and then selects
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# that one, then updates its selection status
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def keypress(self, size, key):
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self.update_selected(False)
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self.w.keypress(size,key)
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(widget, num) = self.lbox.get_focus()
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widget.selected = True
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self.update_selected(True)
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# The Whole Shebang
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class appGUI():
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"""The UI itself, all glory belongs to it!"""
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def __init__(self):
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# Happy screen saying that you can't do anything because we're scanning
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# for networks. :-)
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# And I can't use it yet b/c of that blasted glib mainloop
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self.screen_locker = urwid.Filler(urwid.Text(('important',"Scanning networks... stand by..."), align='center'))
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txt = urwid.Text("Wicd Curses Interface",align='right')
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#wrap1 = urwid.AttrWrap(txt, 'black')
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#fill = urwid.Filler(txt)
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header = urwid.AttrWrap(txt, 'header')
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self.update_netlist()
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#walker = urwid.SimpleListWalker(gen_network_list())
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#thePile = urwid.Pile(walker)
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footer = urwid.AttrWrap(urwid.Text("Something will go here... eventually!"),'important')
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# Pop takes a number!
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#walker.pop(1)
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#self.listbox = urwid.AttrWrap(urwid.ListBox(netList),'body','selected')
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self.frame = urwid.Frame(self.netList, header=header,footer=footer)
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#self.frame = urwid.Frame(self.screen_locker, header=header,footer=footer)
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self.update_status()
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# Does what it says it does
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def lock_screen(self):
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self.frame.set_body(self.screen_locker)
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def unlock_screen(self):
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self.update_netlist()
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self.frame.set_body(self.netList)
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# Be clunky until I get to a later stage of development.
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def update_netlist(self):
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netElems = gen_network_list()
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self.netList = NetList(netElems)
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def update_status(self):
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if check_for_wired(wired.GetWiredIP(),self.set_status):
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return True
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elif check_for_wireless(wireless.GetIwconfig(),
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wireless.GetWirelessIP(), self.set_status):
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return True
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else:
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self.set_status(language['not_connected'])
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return True
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def set_status(self,text):
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self.frame.set_footer(urwid.AttrWrap(urwid.Text(text),'important'))
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# Yeah, I'm copying code. Anything wrong with that?
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#def dbus_scan_finished(self):
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# #if not self.connecting:
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# #self.refresh_networks(fresh=False)
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# self.unlock_screen()
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# Same, same, same, same, same, same
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#def dbus_scan_started(self):
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# self.lock_screen()
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# Run the bleeding thing.
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# Calls the main loop. This is how the thing should be started, at least
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# until I decide to change it, whenever that is.
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def main(self):
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misc.RenameProcess('urwicd')
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self.ui = urwid.curses_display.Screen()
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self.ui.register_palette([
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('body','light gray','black'),
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('selected','dark blue','light gray'),
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('header','light blue','black'),
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('important','light red','black')])
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self.ui.run_wrapper(self.run)
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# Main program loop
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def run(self):
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size = self.ui.get_cols_rows()
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# This doesn't do what I need it to do!
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# What I will have to do is... (unless I totally misunderstand glib)
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# 1. Stick all this loop into another function (probably update_ui)
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# 2. Make a glib MainLoop object somewhere in this file
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# 3. Connect the DBus Main Loop to that main loop
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# 4. Throw update_ui into gobject.timeout()
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# 5. Pray. :-)
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while True:
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self.update_status()
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canvas = self.frame.render( (size) )
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self.ui.draw_screen((size),canvas)
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keys = self.ui.get_input()
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if "f8" in keys:
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break
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for k in keys:
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if k == "window resize":
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size = self.ui.get_cols_rows()
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continue
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self.frame.keypress( size, k )
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# Mostly borrowed from gui.py, but also with the standard "need daemon first"
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# check
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def setup_dbus():
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global proxy_obj, daemon, wireless, wired, config, dbus_ifaces
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try:
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proxy_obj = bus.get_object('org.wicd.daemon', '/org/wicd/daemon')
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except dbus.DBusException:
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print 'Error: Could not connect to the daemon. Please make sure it is running.'
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sys.exit(3)
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daemon = dbus.Interface(proxy_obj, 'org.wicd.daemon')
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wireless = dbus.Interface(proxy_obj, 'org.wicd.daemon.wireless')
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wired = dbus.Interface(proxy_obj, 'org.wicd.daemon.wired')
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config = dbus.Interface(proxy_obj, 'org.wicd.daemon.config')
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dbus_ifaces = {"daemon" : daemon, "wireless" : wireless, "wired" : wired,
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"config" : config}
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bus = dbus.SystemBus()
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setup_dbus()
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# Main entry point
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if __name__ == '__main__':
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app = appGUI()
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# This stuff doesn't work yet. I have to stick a gobject mainloop in to get
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# it to work... It'll be done soon enough
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#bus.add_signal_receiver(app.dbus_scan_finished, 'SendEndScanSignal',
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# 'org.wicd.daemon')
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#bus.add_signal_receiver(app.dbus_scan_started, 'SendStartScanSignal',
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# 'org.wicd.daemon')
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app.main()
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