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annotate libervia/tui/progress.py @ 4202:b26339343076

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core: use a user specific directory for PID file: default location of pid file is now specific to logged user, this allow to run several instances of Libervia by different users on the same machine without PID conflicts.
author Goffi <goffi@goffi.org>
date Sun, 14 Jan 2024 17:48:02 +0100
parents b620a8e882e1
children 0d7bb4df2343
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1 #!/usr/bin/env python3
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2
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4 # Libervia TUI
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 from libervia.backend.core.i18n import _
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21 import urwid
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22 from urwid_satext import sat_widgets
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23 from libervia.frontends.quick_frontend import quick_widgets
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26 class Progress(urwid.WidgetWrap, quick_widgets.QuickWidget):
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27 PROFILES_ALLOW_NONE = True
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29 def __init__(self, host, target, profiles):
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30 assert target is None and profiles is None
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31 quick_widgets.QuickWidget.__init__(self, host, target)
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32 self.host = host
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33 self.progress_list = urwid.SimpleListWalker([])
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34 self.progress_dict = {}
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35 listbox = urwid.ListBox(self.progress_list)
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36 buttons = []
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37 buttons.append(sat_widgets.CustomButton(_("Clear progress list"), self._on_clear))
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38 max_len = max([button.get_size() for button in buttons])
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39 buttons_wid = urwid.GridFlow(buttons, max_len, 1, 0, "center")
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40 main_wid = sat_widgets.FocusFrame(listbox, footer=buttons_wid)
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41 urwid.WidgetWrap.__init__(self, main_wid)
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42
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43 def add(self, progress_id, message, profile):
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44 mess_wid = urwid.Text(message)
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45 progr_wid = urwid.ProgressBar("progress_normal", "progress_complete")
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46 column = urwid.Columns([mess_wid, progr_wid])
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47 self.progress_dict[(progress_id, profile)] = {
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48 "full": column,
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49 "progress": progr_wid,
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50 "state": "init",
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51 }
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52 self.progress_list.append(column)
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53 self.progress_cb(self.host.loop, (progress_id, message, profile))
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55 def progress_cb(self, loop, data):
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56 progress_id, message, profile = data
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57 data = self.host.bridge.progress_get(progress_id, profile)
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58 pbar = self.progress_dict[(progress_id, profile)]["progress"]
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59 if data:
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60 if self.progress_dict[(progress_id, profile)]["state"] == "init":
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61 # first answer, we must construct the bar
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62 self.progress_dict[(progress_id, profile)]["state"] = "progress"
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63 pbar.done = float(data["size"])
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64
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65 pbar.set_completion(float(data["position"]))
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66 self.update_not_bar()
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67 else:
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68 if self.progress_dict[(progress_id, profile)]["state"] == "progress":
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69 self.progress_dict[(progress_id, profile)]["state"] = "done"
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70 pbar.set_completion(pbar.done)
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71 self.update_not_bar()
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72 return
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73
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74 loop.set_alarm_in(0.2, self.progress_cb, (progress_id, message, profile))
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75
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76 def _remove_bar(self, progress_id, profile):
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77 wid = self.progress_dict[(progress_id, profile)]["full"]
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78 self.progress_list.remove(wid)
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79 del (self.progress_dict[(progress_id, profile)])
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80
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81 def _on_clear(self, button):
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82 to_remove = []
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83 for progress_id, profile in self.progress_dict:
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84 if self.progress_dict[(progress_id, profile)]["state"] == "done":
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85 to_remove.append((progress_id, profile))
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86 for progress_id, profile in to_remove:
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87 self._remove_bar(progress_id, profile)
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88 self.update_not_bar()
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89
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90 def update_not_bar(self):
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91 if not self.progress_dict:
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92 self.host.set_progress(None)
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93 return
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94 progress = 0
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95 nb_bars = 0
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96 for progress_id, profile in self.progress_dict:
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97 pbar = self.progress_dict[(progress_id, profile)]["progress"]
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98 progress += pbar.current / pbar.done * 100
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99 nb_bars += 1
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100 av_progress = progress / float(nb_bars)
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101 self.host.set_progress(av_progress)