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# GtkProgress.py
#
# Copyright (c) 2004,2005 Canonical
#
# Author: Michael Vogt <michael.vogt@ubuntu.com>
#
# This program 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 program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
from __future__ import absolute_import, print_function
from gi.repository import Gtk, Gdk
import apt
import apt_pkg
from gettext import gettext as _
from .Core.utils import humanize_size
# intervals of the start up progress
# 3x caching and menu creation
STEPS_UPDATE_CACHE = [33, 66, 100]
#STEPS_UPDATE_CACHE = [25, 50, 75, 100]
class GtkOpProgressInline(apt.progress.base.OpProgress):
def __init__(self, progressbar, parent,
steps=STEPS_UPDATE_CACHE):
# steps
self.all_steps = steps
self._init_steps()
# the progressbar to use
self._progressbar = progressbar
self._parent = parent
self._window = None
def _init_steps(self):
self.steps = self.all_steps[:]
self.base = 0
self.old = 0
self.next = int(self.steps.pop(0))
def update(self, percent):
# ui
self._progressbar.show()
self._parent.set_sensitive(False)
# if the old percent was higher, a new progress was started
if self.old > percent:
# set the borders to the next interval
self.base = self.next
try:
self.next = int(self.steps.pop(0))
except:
pass
progress = self.base + percent/100 * (self.next - self.base)
self.old = percent
if abs(percent-self._progressbar.get_fraction()*100.0) > 0.5:
self._progressbar.set_text("%s" % self.op)
self._progressbar.set_fraction(progress/100.0)
while Gtk.events_pending():
Gtk.main_iteration()
def done(self):
""" one sub-step is done """
pass
def all_done(self):
""" all steps are completed (called by the parent) """
self._parent.set_sensitive(True)
self._progressbar.hide()
self._init_steps()
class GtkOpProgressWindow(apt.progress.base.OpProgress):
def __init__(self, host_window, progressbar, status, parent,
steps=STEPS_UPDATE_CACHE):
# used for the "one run progressbar"
self.steps = steps[:]
self.base = 0
self.old = 0
self.next = int(self.steps.pop(0))
self._parent = parent
self._window = host_window
self._status = status
self._progressbar = progressbar
# Do not show the close button
self._window.realize()
self._window.set_title("")
host_window.get_window().set_functions(Gdk.WMFunction.MOVE)
self._window.set_transient_for(parent)
def update(self, percent):
#print(percent)
#print(self.Op)
#print(self.SubOp)
# only show progress bar if the parent is not iconified (#353195)
state = self._parent.window.get_state()
if not (state & Gdk.WINDOW_STATE_ICONIFIED):
self._window.show()
self._parent.set_sensitive(False)
# if the old percent was higher, a new progress was started
if self.old > percent:
# set the borders to the next interval
self.base = self.next
try:
self.next = int(self.steps.pop(0))
except:
pass
progress = self.base + percent/100 * (self.next - self.base)
self.old = percent
if abs(percent-self._progressbar.get_fraction()*100.0) > 0.1:
self._status.set_markup("<i>%s</i>" % self.op)
self._progressbar.set_fraction(progress/100.0)
while Gtk.events_pending():
Gtk.main_iteration()
def done(self):
self._parent.set_sensitive(True)
def hide(self):
self._window.hide()
class GtkAcquireProgress(apt.progress.base.AcquireProgress):
def __init__(self, parent, summary="", descr=""):
# if this is set to false the download will cancel
self._continue = True
# init vars here
# FIXME: find a more elegant way, this sucks
self.summary = parent.label_fetch_summary
self.status = parent.label_fetch_status
# we need to connect the signal manual here, it won't work
# from the main window auto-connect
parent.button_fetch_cancel.connect(
"clicked", self.on_button_fetch_cancel_clicked)
self.progress = parent.progressbar_fetch
self.window_fetch = parent.window_fetch
self.window_fetch.set_transient_for(parent.window_main)
self.window_fetch.realize()
self.window_fetch.get_window().set_functions(Gdk.WMFunction.MOVE)
# set summary
if summary != "":
self.summary.set_markup("<big><b>%s</b></big> \n\n%s" %
(summary, descr))
def start(self):
self.progress.set_fraction(0)
self.window_fetch.show()
def stop(self):
self.window_fetch.hide()
def on_button_fetch_cancel_clicked(self, widget):
self._continue = False
def pulse(self, owner):
apt.progress.base.AcquireProgress.pulse(self, owner)
current_item = self.current_items + 1
if current_item > self.total_items:
current_item = self.total_items
if self.current_cps > 0:
status_text = (_("Downloading file %(current)li of %(total)li with "
"%(speed)s/s") % {"current" : current_item,
"total" : self.total_items,
"speed" : humanize_size(self.current_cps)})
else:
status_text = (_("Downloading file %(current)li of %(total)li") % \
{"current" : current_item,
"total" : self.total_items })
self.progress.set_fraction((self.current_bytes + self.current_items) /
float(self.total_bytes + self.total_items))
self.status.set_markup("<i>%s</i>" % status_text)
# TRANSLATORS: show the remaining time in a progress bar:
#if self.current_cps > 0:
# eta = ((self.total_bytes + self.current_bytes) / float(self.current_cps))
#else:
# eta = 0.0
#self.progress.set_text(_("About %s left" % (apt_pkg.TimeToStr(eta))))
# FIXME: show remaining time
self.progress.set_text("")
while Gtk.events_pending():
Gtk.main_iteration()
return self._continue
if __name__ == "__main__":
import apt
from .SimpleGtkbuilderApp import SimpleGtkbuilderApp
class MockParent(SimpleGtkbuilderApp):
"""Mock parent for the fetcher that just loads the UI file"""
def __init__(self):
SimpleGtkbuilderApp.__init__(self, "../data/gtkbuilder/UpdateManager.ui", "update-manager")
# create mock parent and fetcher
parent = MockParent()
acquire_progress = GtkAcquireProgress(parent, "summary", "long detailed description")
#acquire_progress = GtkAcquireProgress(parent)
# download lists
cache = apt.Cache()
res = cache.update(acquire_progress)
# generate a dist-upgrade (to feed data to the fetcher) and get it
cache.upgrade()
pm = apt_pkg.GetPackageManager(cache._depcache)
fetcher = apt_pkg.GetAcquire(acquire_progress)
res = cache._fetchArchives(fetcher, pm)
print(res)
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