libervia-backend/libervia/tui/progress.py
Goffi e5ed4e3d7c tui: Q&D adaptation to new code:
use the new `quick_bridge` adapter and do few changes to make TUI work with new backend.
TUI will probably be rewritten at some point, this is just an update to keep it working.

`urwid` has been updated to have a version working with Python 3.14.
2026-11-04 18:11:04 +01:00

108 lines
4.2 KiB
Python

#!/usr/bin/env python3
# Libervia TUI
# Copyright (C) 2009-2026 Jérôme Poisson (goffi@goffi.org)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 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 Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from libervia.backend.core.i18n import _
import urwid
from urwid_satext import sat_widgets
from libervia.frontends.quick_frontend import quick_widgets
class Progress(urwid.WidgetWrap, quick_widgets.QuickWidget):
PROFILES_ALLOW_NONE = True
def __init__(self, host, target, profiles):
assert target is None and profiles is None
quick_widgets.QuickWidget.__init__(self, host, target)
self.host = host
self.progress_list = urwid.SimpleListWalker([])
self.progress_dict = {}
listbox = urwid.ListBox(self.progress_list)
buttons = []
buttons.append(sat_widgets.CustomButton(_("Clear progress list"), self._on_clear))
max_len = max([button.get_size() for button in buttons])
buttons_wid = urwid.GridFlow(buttons, max_len, 1, 0, "center")
main_wid = sat_widgets.FocusFrame(listbox, footer=buttons_wid)
urwid.WidgetWrap.__init__(self, main_wid)
def add(self, progress_id, message, profile):
mess_wid = urwid.Text(message)
progr_wid = urwid.ProgressBar("progress_normal", "progress_complete")
column = urwid.Columns([mess_wid, progr_wid])
self.progress_dict[(progress_id, profile)] = {
"full": column,
"progress": progr_wid,
"state": "init",
}
self.progress_list.append(column)
self.progress_cb(self.host.loop, (progress_id, message, profile))
def progress_cb(self, loop, data):
progress_id, message, profile = data
def progress_get_cb(data):
entry = self.progress_dict.get((progress_id, profile))
if entry is None:
# the bar has been removed in the meantime
return
pbar = entry["progress"]
if data:
if entry["state"] == "init":
# first answer, we must construct the bar
entry["state"] = "progress"
pbar.done = float(data["size"])
pbar.set_completion(float(data["position"]))
self.update_not_bar()
else:
if entry["state"] == "progress":
entry["state"] = "done"
pbar.set_completion(pbar.done)
self.update_not_bar()
return
loop.set_alarm_in(0.2, self.progress_cb, (progress_id, message, profile))
self.host.bridge.progress_get(progress_id, profile, callback=progress_get_cb)
def _remove_bar(self, progress_id, profile):
wid = self.progress_dict[(progress_id, profile)]["full"]
self.progress_list.remove(wid)
del self.progress_dict[(progress_id, profile)]
def _on_clear(self, button):
to_remove = []
for progress_id, profile in self.progress_dict:
if self.progress_dict[(progress_id, profile)]["state"] == "done":
to_remove.append((progress_id, profile))
for progress_id, profile in to_remove:
self._remove_bar(progress_id, profile)
self.update_not_bar()
def update_not_bar(self):
if not self.progress_dict:
self.host.set_progress(None)
return
progress = 0
nb_bars = 0
for progress_id, profile in self.progress_dict:
pbar = self.progress_dict[(progress_id, profile)]["progress"]
progress += pbar.current / pbar.done * 100
nb_bars += 1
av_progress = progress / float(nb_bars)
self.host.set_progress(av_progress)