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annotate frontends/src/primitivus/progress.py @ 466:448ce3c9e2ac

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core: Roster cache refactoring: cache is now managed by client's SatRosterProtocol instance.
author Goffi <goffi@goffi.org>
date Mon, 26 Mar 2012 00:22:49 +0200
parents cf005701624b
children 2a072735e459
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5 Primitivus: a SAT frontend
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6 Copyright (C) 2009, 2010, 2011, 2012 Jérôme Poisson (goffi@goffi.org)
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7
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8 This program is free software: you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 """
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21
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22 import urwid
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23 from urwid_satext import sat_widgets
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24 from sat.tools.jid import JID
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25
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27 class Progress(urwid.WidgetWrap):
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28
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29 def __init__(self, host):
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30 self.host = host
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31 self.progress_list = urwid.SimpleListWalker([])
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32 self.progress_dict = {}
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33 listbox = urwid.ListBox(self.progress_list)
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34 buttons = []
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35 buttons.append(sat_widgets.CustomButton(_('Clear progress list'), self.__onClear))
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36 max_len = max([button.getSize() for button in buttons])
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37 buttons_wid = urwid.GridFlow(buttons,max_len,1,0,'center')
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38 main_wid = sat_widgets.FocusFrame(listbox, footer=buttons_wid)
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39 urwid.WidgetWrap.__init__(self, main_wid)
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40
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41 def addProgress(self, id, message):
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42 mess_wid = urwid.Text(message)
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43 progr_wid = urwid.ProgressBar('progress_normal', 'progress_complete')
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44 column = urwid.Columns([mess_wid, progr_wid])
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45 self.progress_dict[id] = {'full':column,'progress':progr_wid,'state':'init'}
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46 self.progress_list.append(column)
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47 self.progressCB(self.host.loop, (id, message))
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48
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49 def progressCB(self, loop, data):
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50 id, message = data
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51 data = self.host.bridge.getProgress(id)
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52 pbar = self.progress_dict[id]['progress']
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53 if data:
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54 if self.progress_dict[id]['state'] == 'init':
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55 #first answer, we must construct the bar
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56 self.progress_dict[id]['state'] = 'progress'
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57 pbar.done = float(data['size'])
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58
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59 pbar.set_completion(float(data['position']))
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60 self.updateNotBar()
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61 else:
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62 if self.progress_dict[id]['state'] == 'progress':
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63 self.progress_dict[id]['state'] = 'done'
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64 pbar.set_completion(pbar.done)
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65 self.updateNotBar()
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66 return
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67
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68 loop.set_alarm_in(1,self.progressCB, (id, message))
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69
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70 def __removeBar(self, id):
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71 wid = self.progress_dict[id]['full']
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72 self.progress_list.remove(wid)
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73 del(self.progress_dict[id])
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74
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75 def __onClear(self, button):
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76 to_remove = []
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77 for id in self.progress_dict:
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78 if self.progress_dict[id]['state'] == 'done':
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79 to_remove.append(id)
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80 for id in to_remove:
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81 self.__removeBar(id)
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82 self.updateNotBar()
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83
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84 def updateNotBar(self):
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85 if not self.progress_dict:
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86 self.host.setProgress(None)
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87 return
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88 progress = 0
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89 nb_bars = 0
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90 for id in self.progress_dict:
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91 pbar = self.progress_dict[id]['progress']
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92 progress += pbar.current/pbar.done*100
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93 nb_bars+=1
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94 av_progress = progress/float(nb_bars)
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95 self.host.setProgress(av_progress)
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96