/usr/lib/python3/dist-packages/softwareproperties/gtk/DialogMirror.py is in software-properties-gtk 0.92.25debian1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (c) 2006 FSF Europe
#
# Authors:
# Sebastian Heinlein <glatzor@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
import os
from gi.repository import GObject, Gtk
from gettext import gettext as _
import threading
import re
import sys
import softwareproperties.gtk.dialogs as dialogs
from softwareproperties.MirrorTest import MirrorTest
from softwareproperties.gtk.utils import *
(COLUMN_PROTO, COLUMN_DIR) = list(range(2))
(COLUMN_URI, COLUMN_SEPARATOR, COLUMN_CUSTOM, COLUMN_MIRROR) = list(range(4))
from softwareproperties.CountryInformation import CountryInformation
if sys.version >= '3':
cmp = lambda a, b: (a > b) - (a < b)
def sort_mirrors(model, iter1, iter2, data=None):
""" sort function for the mirror list:
- at first show all custom urls
- secondly the separator
- show mirrors without a county first (e.g. the automatic mirror url)
- third the official mirrors. if available
sort the countries
"""
#FIXME: comparison operators seem to prefer ASCII chars
(url1, sep1, custom1, mirror1) = model.get(iter1, 0, 1, 2, 3)
(url2, sep2, custom2, mirror2) = model.get(iter2, 0, 1, 2, 3)
has_child1 = model.iter_has_child(iter1)
has_child2 = model.iter_has_child(iter2)
if custom1 and custom2:
return cmp(url1, url2)
elif custom1:
return -1
elif custom2:
return 1
if sep1:
return -1
elif sep2:
return 1
if has_child1 != has_child2:
return cmp(has_child1, has_child2)
return cmp(url1, url2)
class DialogMirror:
def __init__(self, parent, datadir, distro, custom_mirrors):
"""
Initialize the dialog that allows to choose a custom or official mirror
"""
def is_separator(model, iter, data=None):
return model.get_value(iter, COLUMN_SEPARATOR)
self.custom_mirrors = custom_mirrors
self.country_info = CountryInformation()
setup_ui(self, os.path.join(datadir, "gtkbuilder", "dialog-mirror.ui"), domain="software-properties")
self.dialog = self.dialog_mirror
self.dialog.set_transient_for(parent)
self.dialog_test = self.dialog_mirror_test
self.dialog_test.set_transient_for(self.dialog)
self.distro = distro
self.treeview = self.treeview_mirrors
self.button_edit = self.button_mirror_edit
self.button_remove = self.button_mirror_remove
self.button_choose = self.button_mirror_choose
self.button_cancel = self.button_test_cancel
self.label_test = self.label_test_mirror
self.progressbar_test = self.progressbar_test_mirror
self.combobox = self.combobox_mirror_proto
self.progress = self.progressbar_test_mirror
self.label_action = self.label_test_mirror
# store each proto and its dir
model_proto = Gtk.ListStore(GObject.TYPE_STRING,
GObject.TYPE_STRING)
self.combobox.set_model(model_proto)
cr = Gtk.CellRendererText()
self.combobox.pack_start(cr, True)
self.combobox.add_attribute(cr, "markup", 0)
self.model = Gtk.TreeStore(GObject.TYPE_STRING, # COLUMN_URI
GObject.TYPE_BOOLEAN, # COLUMN_SEPARATOR
GObject.TYPE_BOOLEAN, # COLUMN_CUSTOM
GObject.TYPE_PYOBJECT)# COLUMN_MIRROR
self.treeview.set_row_separator_func(is_separator, None)
self.model_sort = Gtk.TreeModelSort(model=self.model)
self.distro = distro
self.treeview.set_model(self.model_sort)
# the cell renderer for the mirror uri
self.renderer_mirror = Gtk.CellRendererText()
self.renderer_mirror.connect('edited',
self.on_edited_custom_mirror,
self.model)
# the visible column that holds the mirror uris
self.column_mirror = Gtk.TreeViewColumn("URI",
self.renderer_mirror,
text=COLUMN_URI)
self.treeview.append_column(self.column_mirror)
# used to find the corresponding iter of a location
map_loc = {}
patriot = None
model = self.treeview.get_model().get_model()
# 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])
# 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:
model.append(map_loc[mirror.location],
[hostname, False, False, mirror])
elif mirror.location != None:
parent = model.append(None,
[self.country_info.get_country_name(mirror.location), False, False, None])
if mirror.location == self.country_info.code and patriot == None:
patriot = parent
model.append(parent, [hostname, False, False, mirror]),
map_loc[mirror.location] = parent
else:
model.append(None, [hostname, False, False, mirror])
# Scroll to the local mirror set
if patriot != None:
path_sort = self.model_sort.get_path(self.model_sort.convert_child_iter_to_iter(patriot)[1])
self.treeview.expand_row(path_sort, False)
self.treeview.set_cursor(path_sort, None, False)
self.treeview.scroll_to_cell(path_sort, use_align=True, row_align=0.5)
# set the sort function, this will also trigger a sort
self.model_sort.set_default_sort_func(sort_mirrors, None)
def on_edited_custom_mirror(self, cell, path, new_text, model):
''' Check if the new mirror uri is faild, if yes change it, if not
remove the mirror from the list '''
iter = model.get_iter(path)
iter_next = model.iter_next(iter)
if new_text != "":
model.set_value(iter, COLUMN_URI, new_text)
# Add a separator if the next mirror is a not a separator or
# a custom one
if iter_next != None and not \
(model.get_value(iter_next, COLUMN_SEPARATOR) or \
model.get_value(iter_next, COLUMN_CUSTOM)):
model.insert(1, [None, True, False])
self.button_choose.set_sensitive(self.is_valid_mirror(new_text))
else:
model.remove(iter)
# Remove the separator if this was the last custom mirror
if model.get_value(model.get_iter_first(), COLUMN_SEPARATOR):
model.remove(model.get_iter_first())
self.treeview.set_cursor((0,))
return
def is_valid_mirror(self, uri):
''' Check if a given uri is a vaild one '''
if uri == None:
return False
elif re.match("^((ftp)|(http)|(file)|(rsync)|(https))://([a-z]|[A-Z]|[0-9]|:|/|\.|~)+$", uri) == None:
return False
else:
return True
def on_treeview_mirrors_cursor_changed(self, treeview, data=None):
''' Check if the currently selected row in the mirror list
contains a mirror and or is editable '''
(row, column) = treeview.get_cursor()
if row == None:
self.button_remove.set_sensitive(False)
self.button_edit.set_sensitive(False)
self.button_choose.set_sensitive(False)
return
model = treeview.get_model()
iter = model.get_iter(row)
# Update the list of available protocolls
mirror = model.get_value(iter, COLUMN_MIRROR)
model_protos = self.combobox.get_model()
model_protos.clear()
if mirror != None:
self.combobox.set_sensitive(True)
seen_protos = []
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)
model_protos.append(repo.get_info())
self.combobox.set_active(0)
self.button_choose.set_sensitive(True)
else:
# 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 on_button_mirror_remove_clicked(self, button, data=None):
''' Remove the currently selected mirror '''
path, column = self.treeview.get_cursor()
iter = self.treeview.get_model().get_iter(path)
model = self.treeview.get_model().get_model()
model.remove(iter)
# Remove the separator if this was the last custom mirror
if model.get_value(model.get_iter_first(), COLUMN_SEPARATOR):
model.remove(model.get_iter_first())
self.treeview.set_cursor((0,))
def on_button_mirror_add_clicked(self, button, data=None):
''' Add a new mirror at the beginning of the list and start
editing '''
model = self.treeview.get_model().get_model()
model.append(None, [_("New mirror"), False, True, None])
self.treeview.grab_focus()
self.treeview.set_cursor((0,),
focus_column=self.column_mirror,
start_editing=True)
def on_button_mirror_edit_clicked(self, button, data=None):
''' Grab the focus and start editing the currently selected mirror '''
path, column = self.treeview.get_cursor()
self.treeview.grab_focus()
self.treeview.set_cursor(path, focus_column=column, start_editing=True)
def on_dialog_mirror_test_delete_event(self, dialog, event, data=None):
''' If anybody wants to close the dialog, stop the test before '''
self.on_button_cancel_test_clicked(None)
return True
def run(self):
''' Run the chooser dialog and return the chosen mirror or None '''
res = self.dialog.run()
self.dialog.hide()
(row, column) = self.treeview.get_cursor()
model = self.treeview.get_model()
iter = model.get_iter(row)
mirror = model.get_value(iter, COLUMN_MIRROR)
# FIXME: we should also return the list of custom servers
if res == Gtk.ResponseType.OK:
if mirror == None:
# Return the URL of the selected custom mirror
return model.get_value(iter, COLUMN_URI)
else:
# Return an URL created from the hostname and the selected
# repository
model_proto = self.combobox.get_model()
iter_proto = model_proto.get_iter(self.combobox.get_active())
proto = model_proto.get_value(iter_proto, COLUMN_PROTO)
dir = model_proto.get_value(iter_proto, COLUMN_DIR)
return "%s://%s/%s" % (proto, mirror.hostname, dir)
else:
return None
def on_button_test_clicked(self, button, data=None):
''' Perform a test to find the best mirror and select it
afterwards in the treeview '''
self.button_cancel.set_sensitive(True)
self.dialog_test.show()
self.running = threading.Event()
self.running.set()
progress_update = threading.Event()
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 = MirrorTest(list(self.distro.source_template.mirror_set.values()),
test_file,
progress_update,
self.running)
test.start()
# now run the tests in a background thread, and update the UI on each event
while self.running.is_set():
while Gtk.events_pending():
Gtk.main_iteration_do(False)
# don't spin the CPU until there's something to update; but update the
# UI at least every 100 ms
progress_update.wait(0.1)
if progress_update.is_set():
self.progress.set_text(_("Completed %s of %s tests") % \
(test.progress[0], test.progress[1]))
self.progress.set_fraction(test.progress[2])
progress_update.clear()
self.dialog_test.hide()
self.label_test.set_label("")
# Select the mirror in the list or show an error dialog
if test.best != None:
self.model_sort.foreach(self.select_mirror, test.best)
else:
dialogs.show_error_dialog(self.dialog,
_("No suitable download server was found"),
_("Please check your Internet connection."))
def select_mirror(self, model, path, iter, mirror):
"""Select and expand the path to a matching mirror in the list"""
if model.get_value(iter, COLUMN_URI) == mirror:
self.treeview.expand_to_path(path)
self.treeview.set_cursor(path, None, False)
self.treeview.scroll_to_cell(path, use_align=True, row_align=0.5)
self.treeview.grab_focus()
# breaks foreach
return True
def on_button_cancel_test_clicked(self, button):
''' Abort the mirror performance test '''
self.running.clear()
self.label_test.set_label("<i>%s</i>" % _("Canceling..."))
self.button_cancel.set_sensitive(False)
self.progressbar_test.set_fraction(1)
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