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# Qt 4 based frontend to software-properties
#
# Copyright (c) 2007 Canonical Ltd.
#
# Author: Jonathan Riddell <jriddell@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 gettext import gettext as _
import os
import threading
from softwareproperties.MirrorTest import MirrorTest
from .I18nHelper import *
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4 import uic
from softwareproperties.CountryInformation import CountryInformation
class DialogMirror(QDialog):
def __init__(self, parent, datadir, distro, custom_mirrors):
"""
Initialize the dialog that allows to choose a custom or official mirror
"""
QDialog.__init__(self, parent)
uic.loadUi("%s/designer/dialog_mirror.ui" % datadir, self)
self.parent = parent
self.custom_mirrors = custom_mirrors
self.country_info = CountryInformation()
self.button_choose = self.buttonBox.button(QDialogButtonBox.Ok)
self.button_choose.setEnabled(False)
self.button_cancel = self.buttonBox.button(QDialogButtonBox.Cancel)
self.distro = distro
self.treeview.setColumnCount(1)
self.treeview.setHeaderLabels([_("Mirror")])
translate_widget(self)
# used to find the corresponding iter of a location
map_loc = {}
patriot = None
""" no custom yet
# at first add all custom mirrors and a separator
if len(self.custom_mirrors) > 0:
for mirror in self.custom_mirrors:
model.append(None, [mirror, False, True, None])
self.column_mirror.add_attribute(self.renderer_mirror,
"editable",
COLUMN_CUSTOM)
model.append(None, [None, True, False, None])
"""
self.mirror_map = {}
# secondly add all official mirrors
for hostname in self.distro.source_template.mirror_set.keys():
mirror = self.distro.source_template.mirror_set[hostname]
if mirror.location in map_loc: # a mirror in a country
QTreeWidgetItem(map_loc[mirror.location], [hostname])
self.mirror_map[hostname] = mirror
elif mirror.location != None: # a country new to the list
country = self.country_info.get_country_name(mirror.location)
parent = QTreeWidgetItem([country])
self.mirror_map[country] = None
self.treeview.addTopLevelItem(parent)
QTreeWidgetItem(parent, [hostname])
self.mirror_map[hostname] = mirror
if mirror.location == self.country_info.code and patriot == None:
patriot = parent
map_loc[mirror.location] = parent
else: # a mirror without country
item = QTreeWidgetItem([hostname])
self.treeview.addTopLevelItem(item)
self.treeview.sortItems(0, Qt.AscendingOrder)
# Scroll to the local mirror set
if patriot != None:
self.select_mirror(patriot.text(0))
self.connect(self.treeview, SIGNAL("itemClicked(QTreeWidgetItem*, int)"), self.on_treeview_mirrors_cursor_changed)
self.connect(self.button_find_server, SIGNAL("clicked()"), self.on_button_test_clicked)
self.edit_buttons_frame.hide() ##FIXME not yet implemented
def on_treeview_mirrors_cursor_changed(self, item, column):
""" Check if the currently selected row in the mirror list
contains a mirror and or is editable """
# Update the list of available protocolls
hostname = self.treeview.currentItem().text(0)
mirror = self.mirror_map[hostname]
self.combobox.clear()
if mirror != None:
self.combobox.setEnabled(True)
seen_protos = []
self.protocol_paths = {}
for repo in mirror.repositories:
# Only add a repository for a protocoll once
if repo.proto in seen_protos:
continue
seen_protos.append(repo.proto)
self.protocol_paths[repo.get_info()[0]] = repo.get_info()[1]
self.combobox.addItem(repo.get_info()[0])
self.button_choose.setEnabled(True)
else:
self.button_choose.setEnabled(False)
"""
# Allow to edit and remove custom mirrors
self.button_remove.set_sensitive(model.get_value(iter, COLUMN_CUSTOM))
self.button_edit.set_sensitive(model.get_value(iter, COLUMN_CUSTOM))
self.button_choose.set_sensitive(self.is_valid_mirror(model.get_value(iter, COLUMN_URI)))
self.combobox.set_sensitive(False)
"""
def run(self):
""" Run the chooser dialog and return the chosen mirror or None """
res = self.exec_()
# FIXME: we should also return the list of custom servers
if res == QDialog.Accepted:
hostname = self.treeview.currentItem().text(0)
mirror = self.mirror_map[hostname]
if mirror == None:
# Return the URL of the selected custom mirror
print("Error, unknown mirror")
return None
##FIXME return model.get_value(iter, COLUMN_URI)
else:
# Return a URL created from the hostname and the selected
# repository
proto = self.combobox.currentText()
directory = self.protocol_paths[proto]
return "%s://%s/%s" % (proto, mirror.hostname, directory)
else:
return None
def on_button_test_clicked(self):
''' Perform a test to find the best mirror and select it
afterwards in the treeview '''
class MirrorTestKDE(MirrorTest):
def __init__(self, mirrors, test_file, running, dialog, parent):
MirrorTest.__init__(self, mirrors, test_file, None, running)
self.dialog = dialog
self.parent = parent
def report_action(self, text):
if self.running.isSet():
self.parent.emit(SIGNAL("report_action(QString*)"), text)
def report_progress(self, current, max, borders=(0,1), mod=(0,0)):
if self.running.isSet():
self.parent.emit(SIGNAL("report_progress(int, int, PyQt_PyObject, PyQt_PyObject)"),
current, max, borders, mod)
def run(self):
self.parent.emit(SIGNAL("test_start()"))
rocker = self.run_full_test()
self.parent.emit(SIGNAL("test_end(QString*)"), rocker)
self.dialog = QProgressDialog(_("Testing Mirrors"), _("Cancel"), 0, 100, self)
self.dialog.setWindowTitle(_("Testing Mirrors"))
self.dialog.setWindowModality(Qt.WindowModal)
self.button_cancel_test = QPushButton(_("Cancel"), self.dialog)
self.dialog.setCancelButton(self.button_cancel_test)
self.connect(self.button_cancel_test, SIGNAL("clicked()"), self.on_button_cancel_test_clicked);
# the following signals are connected across threads
self.connect(self, SIGNAL("test_start()"), self.on_test_start, Qt.BlockingQueuedConnection)
self.connect(self, SIGNAL("test_end(QString*)"), self.on_test_end, Qt.BlockingQueuedConnection)
self.connect(self, SIGNAL("report_progress(int, int, PyQt_PyObject, PyQt_PyObject)"), self.on_report_progress, Qt.BlockingQueuedConnection)
self.connect(self, SIGNAL("report_action(QString*)"), self.on_report_action, Qt.BlockingQueuedConnection)
self.running = threading.Event()
self.running.set()
pipe = os.popen("dpkg --print-architecture")
arch = pipe.read().strip()
test_file = "dists/%s/%s/binary-%s/Packages.gz" % \
(self.distro.source_template.name,
self.distro.source_template.components[0].name,
arch)
test = MirrorTestKDE(list(self.distro.source_template.mirror_set.values()),
test_file, self.running, self.dialog, self)
test.start() # test starts in a separate thread
def on_test_start(self):
self.dialog.show()
def on_test_end(self, mirror):
self.dialog.hide()
if not self.running.isSet():
return # canceled by user
if mirror != None:
self.select_mirror(mirror)
else:
QMessageBox.warning(self.dialog, _("Testing Mirrors"),
_("No suitable download server was found") + "\n" +
_("Please check your Internet connection."))
def on_report_action(self, text):
self.dialog.setLabelText(str("<i>%s</i>" % text))
def on_report_progress(self, current, max, borders=(0,1), mod=(0,0)):
#self.dialog.setLabelText(_("Completed %s of %s tests") % \
# (current + mod[0], max + mod[1]))
frac = borders[0] + (borders[1] - borders[0]) / max * current
self.dialog.setValue(frac*100)
def on_button_cancel_test_clicked(self):
''' Abort the mirror performance test '''
self.running.clear()
self.dialog.show()
self.dialog.setLabelText("<i>%s</i>" % _("Canceling..."))
self.button_cancel_test.setEnabled(False)
self.dialog.setValue(100)
def select_mirror(self, mirror):
"""Select and expand the path to a matching mirror in the list"""
found = self.treeview.findItems(mirror, Qt.MatchExactly|Qt.MatchRecursive)
if found:
found[0].setSelected(True)
self.treeview.setCurrentItem(found[0])
self.treeview.scrollToItem(found[0], QAbstractItemView.PositionAtCenter)
self.on_treeview_mirrors_cursor_changed(found[0], 0)
self.button_choose.setFocus()
return True
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