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annotate libervia/tui/notify.py @ 4113:3f59a2b141cc

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doc (installation): update `pipx` instruction and remove `requirements.txt` mention
author Goffi <goffi@goffi.org>
date Wed, 09 Aug 2023 00:48:11 +0200
parents b620a8e882e1
children
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1 #!/usr/bin/env python3
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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 import dbus
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22
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23 class Notify(object):
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24 """Used to send notification and detect if we have focus"""
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26 def __init__(self):
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28 # X11 stuff
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29 self.display = None
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30 self.X11_id = -1
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32 try:
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33 from Xlib import display as X_display
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35 self.display = X_display.Display()
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36 self.X11_id = self.get_focus()
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37 except:
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38 pass
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40 # Now we try to connect to Freedesktop D-Bus API
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41 try:
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42 bus = dbus.SessionBus()
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43 db_object = bus.get_object(
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44 "org.freedesktop.Notifications",
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45 "/org/freedesktop/Notifications",
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46 follow_name_owner_changes=True,
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47 )
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48 self.freedesktop_int = dbus.Interface(
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49 db_object, dbus_interface="org.freedesktop.Notifications"
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50 )
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51 except:
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52 self.freedesktop_int = None
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53
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54 def get_focus(self):
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55 if not self.display:
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56 return 0
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57 return self.display.get_input_focus().focus.id
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58
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59 def has_focus(self):
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60 return (self.get_focus() == self.X11_id) if self.display else True
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61
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62 def use_x11(self):
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63 return bool(self.display)
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64
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65 def send_notification(self, summ_mess, body_mess=""):
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66 """Send notification to the user if possible"""
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67 # TODO: check options before sending notifications
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68 if self.freedesktop_int:
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69 self.send_fd_notification(summ_mess, body_mess)
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71 def send_fd_notification(self, summ_mess, body_mess=""):
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72 """Send notification with the FreeDesktop D-Bus API"""
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73 if self.freedesktop_int:
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74 app_name = "LiberviaTUI"
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75 replaces_id = 0
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76 app_icon = ""
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77 summary = summ_mess
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78 body = body_mess
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79 actions = dbus.Array(signature="s")
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80 hints = dbus.Dictionary(signature="sv")
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81 expire_timeout = -1
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82
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83 self.freedesktop_int.Notify(
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84 app_name,
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85 replaces_id,
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86 app_icon,
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87 summary,
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88 body,
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89 actions,
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90 hints,
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91 expire_timeout,
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92 )