This file is indexed.

/usr/lib/python3/dist-packages/MythbuntuControlCentre/plugin.py is in mythbuntu-control-centre 0.64.1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
## -*- coding: utf-8 -*-
#
# «plugin» - The parent level class that all MCC plugins inherit from
#
# Copyright (C) 2009, Mario Limonciello, for Mythbuntu
#
#
# Mythbuntu 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.
#
# This program 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 this application; if not, write to the Free Software Foundation, Inc., 51
# Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
##################################################################################

import logging
import sys
import os
import string
import traceback

#GUI Support
from gi.repository import Gtk

#Translation Support
from gettext import gettext as _

class MCCPluginLoader():
    """A class used for initializing all loadable plugins"""
    def __init__(self,plugin_root_path):
        self._instances = {}

        self.plugin_root_path = plugin_root_path
        self.plugin_path = plugin_root_path + '/python'

        if self.plugin_path not in sys.path:
            sys.path.insert(0, self.plugin_path)

    def reload_plugins(self):
        """Searches the path for all plugins asked for"""
        plugins=[]
        for obj in os.listdir(self.plugin_path):
            if '.py' in obj and '.pyc' not in obj:
                plugins.append(obj.split('.py')[0])

        for plugin in plugins:
            logging.debug(_("Importing plugin") + ": \t" + plugin)
            try:
                __import__(plugin, None, None, [''])
            except:
                logging.warning( _("Error importing plugin ") + plugin)
                traceback.print_exc()
                continue

    def find_plugin_classes(self):
        """Returns currently loaded plugin class types"""
        logging.debug(_("Found the following plugin classes:"))
        logging.debug(MCCPlugin.__subclasses__())

        return MCCPlugin.__subclasses__()

    def find_plugin_instances(self):
        """Returns all current instances of plugins"""
        result = []
        for plugin in self.find_plugin_classes():
            if not plugin in self._instances:
                try:
                    self._instances[plugin] = plugin()
                    self._instances[plugin]._set_root_path(self.plugin_root_path)
                except:
                    logging.warning( _("Error loading plugin ") + str(plugin))
                    traceback.print_exc()
                    continue
            result.append(self._instances[plugin])

        logging.debug(_("Found the following plugin instances:"))
        logging.debug(result)

        return result

class MCCPlugin(object):
    """An abstract class that defines what all plugins need to be able to do"""

    def __init__(self,information):
        """Initializes a parent MCC plugin.  Information is expected to be a dictionary containing
           these keys at a minimum:
            name: Name of the plugin
            icon: Icon shown for the plugin

            And one of these:
            ui: UI file used for the plugin"""
        if "name" not in information or \
           "icon" not in information or \
           "ui" not in information:
            self._abstract("__init__: information keys")
        self._information = information
        self._incomplete = False
        self.clearParentState()

    ###Helper functions###
    def _set_root_path(self,plugin_root_path):
        """Sets the path to load ui from"""
        self.plugin_root_path = plugin_root_path

    def _mark_array(self,array,item,value,action):
        """Internal helper function for modifying arrays"""
        if action:
            if type(array) is dict:
                array[item]=value
            else:
                array.append(item)
        else:
            if type(array) is dict:
                array.pop(item)
            else:
                for tmp in array:
                    if tmp == item:
                        array.remove(item)
                        return

    def _abstract(self, method):
        """Common error that gets raised if a plugin does not redefine
           a method that is supposed to be"""
        raise NotImplementedError("%s.%s does not implement %s" %
                                  (self.__class__.__module__,
                                   self.__class__.__name__, method))

    def updateCache(self,cache):
        """Updates the apt package cache"""
        self.pkg_cache=cache

    def getInformation(self,key=None):
        """Returns a standard information key"""
        if key is None:
            return self._information
        elif key is 'module':
            return self.__class__.__module__
        else:
            return self._information[key]

    def query_installed(self,package):
        """Determines if a single package is installed"""
        try:
            result = self.pkg_cache[package].current_ver
            if result == None:
                return False
            else:
                return True
        except KeyError:
            return False

    def getIncomplete(self):
        """Returns whether a plugin has been fully filled out"""
        return self._incomplete

    def launch_app(self,widget,data=None):
        """Launches an external application"""
        if widget is not None and data is not None:
            parent=widget.get_parent_window().get_toplevel()
            parent.hide()
            while Gtk.events_pending():
                Gtk.main_iteration()
            os.system(data)
            parent.show()
        else:
            self._abstract("launch_app")

    def insert_extra_widgets(self):
        """Litters the namespace with extra widgets if they exist.
           Generally these would be around for things like popup
           windows that are plugin specific"""

        ui_file = os.path.join(self.plugin_root_path, 'ui', self._information["ui"] + ".extra.ui")
        if os.path.exists(ui_file):
            logging.debug("Reading UI file: %s" % ui_file)
            self.builder.add_from_file(ui_file)

    def insert_subpage(self,notebook,buttonbox,handler):
        """Inserts a subtab into the notebook.  This assumes the file
        shares the same base name as the page you are looking for.
        Returns tuple: (name,tab) where tab is the numeric index of the
        tab in the GtkNoteBook"""

        # Button for the notebook widget
        label=Gtk.Label(label=self._information["name"])
        icon=Gtk.Image()
        icon.set_from_icon_name(self._information["icon"],3)
        button=Gtk.Button()
        button.set_alignment(0,0)
        button.set_relief(Gtk.ReliefStyle.NONE)
        button.set_focus_on_click(True)
        hbox=Gtk.HBox(spacing=2)
        hbox.pack_start(icon,False,False,0)
        hbox.pack_start(label,False,False,0)
        button.add(hbox)
        buttonbox.add(button)
        button.connect("clicked",handler)
        label.show()
        icon.show()
        hbox.show()
        button.show()

        # See http://faq.pyGtk.org/index.py?req=show&file=faq22.002.htp
        # for internationalisation support
        widget = None
        self.builder = Gtk.Builder()
        ui_file = os.path.join(self.plugin_root_path,'ui',self._information["ui"] + ".ui")
        logging.debug("Reading .ui file: %s" % ui_file)
        self.builder.add_from_file(ui_file)
        self.builder.connect_signals(self)
        for widget in self.builder.get_objects():
            if not isinstance(widget, Gtk.Widget):
                continue
            widget.set_name(Gtk.Buildable.get_name(widget))
            setattr(self, widget.get_name(), widget)
        #widget that we will append in the notebook
        widget = self.builder.get_object(self._information["ui"])

        logging.debug("Appending Widget: %s" % widget.get_name())
        notebook.append_page(widget,None)
        return (self._information["name"],notebook.page_num(widget))

    ###State machine of the plugin###
    def clearParentState(self):
        """Clears the state of the elements that were stored for between
           runs"""
        self._to_install     = []
        self._to_remove      = []
        self._to_reconfigure_root = {}
        self._to_reconfigure_user = {}
        self._request_update = False
        self._request_unauth = False

    def captureState(self):
        """Determines the state of the items on managed by this plugin
           and stores it into the plugin's own internal structures"""
        self._abstract("captureState")

    def compareState(self):
        """Determines what items have been modified on this plugin"""
        self._abstract("compareState")

    def applyStateToGUI(self):
        """Takes the current state information and sets the GUI
           for this plugin"""
        self._abstract("applyStateToGUI")

    ###Interfacing functions###
    def _markInstall(self,item,install=True):
        """Modifies the mark of an item to be installed"""
        self._mark_array(self._to_install,item,None,install)

    def _markRemove(self,item,remove=True):
        """Modifies the mark of an item to be removed"""
        self._mark_array(self._to_remove,item,None,remove)

    def _markUnauthenticatedPackages(self,unauth=True):
        """Toggles the bit to request an unauthenticated package to be installed"""
        self._request_unauth = unauth

    def _markUpdatePackageList(self,update=True):
        """Toggles the bit that requests a package list update at the end"""
        self._request_update = update

    def _markReconfigureRoot(self,item,value,reconfigure=True):
        """Modifies the mark of an item to be removed"""
        self._mark_array(self._to_reconfigure_root,item,value,reconfigure)

    def _markReconfigureUser(self,item,value,reconfigure=True):
        """Modifies the mark of an item to be removed"""
        self._mark_array(self._to_reconfigure_user,item,value,reconfigure)

    def getRawChanges(self):
        """Returns a tupple of raw arrays that can be assembled together"""
        return (self._to_install,self._to_remove,self._to_reconfigure_root, self._to_reconfigure_user,self._request_update,self._request_unauth)

    def summarizeChanges(self):
        """Returns a pretty summary of all management activities that will occur"""
        def summarizeDictionary(array,action):
            """Returns a summary of what's happening in array"""
            text=''
            if len(array) > 0:
                text+=action + " the following items:\n"
                for item in array:
                    text += '\t' + item + '\n'
            return text
        summary=summarizeDictionary(self._to_install,"Install") + \
                summarizeDictionary(self._to_remove, "Remove")  + \
                summarizeDictionary(self._to_reconfigure_root, "Reconfigure (as root)") + \
                summarizeDictionary(self._to_reconfigure_user, "Reconfigure (as user)")
        if self._request_update:
            summary = summary + "Request Package List Update\n"
        if self._request_unauth:
            summary = summary + "*** WARNING ***\n Unauthenticated Packages Will be Installed during this transaction.\n *** WARNING ***\n"
        if summary == '':
            summary=False
        return summary

    ###Non package-able changes###
    def emit_progress(self, string, pct):
        """Emits a progress event through the backend over dbus"""

    def root_scripted_changes(self,reconfigure):
        """System-wide changes that need root access to be applied.
           This function is ran by the dbus backend"""
        self._abstract("root_scripted_changes")

    def user_scripted_changes(self,reconfigure):
        """Local changes that can be performed by the user account.
           This function will be ran by the frontend."""
        self._abstract("user_scripted_changes")