Файловый менеджер

Файловый менеджер - Редактировать - /snap/core18/2846/usr/share/subiquity/subiquitycore/ui/views/network.py

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# Copyright 2015 Canonical, Ltd. # # 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/>. """ Network Model Provides network device listings and extended network information """ import logging import textwrap from urwid import ( LineBox, ProgressBar, Text, WidgetWrap, ) from subiquitycore.ui.buttons import cancel_btn, menu_btn, done_btn from subiquitycore.ui.container import Columns, ListBox, Pile from subiquitycore.ui.utils import Padding, Color from subiquitycore.view import BaseView log = logging.getLogger('subiquitycore.views.network') class ApplyingConfigWidget(WidgetWrap): def __init__(self, step_count, cancel_func): self.cancel_func = cancel_func button = cancel_btn(on_press=self.do_cancel) self.bar = ProgressBar(normal='progress_incomplete', complete='progress_complete', current=0, done=step_count) box = LineBox(Pile([self.bar, Padding.fixed_10(button)]), title="Applying network config") super().__init__(box) def advance(self): self.bar.current += 1 def do_cancel(self, sender): self.cancel_func() def _build_wifi_info(dev): r = [] if dev.actual_ssid is not None: if dev.configured_ssid is not None: if dev.actual_ssid != dev.configured_ssid: r.append(Text("Associated to '%s', will associate to '%s'"%(dev.actual_ssid, dev.configured_ssid))) else: r.append(Text("Associated to '" + dev.actual_ssid + "'")) else: r.append(Text("No access point configured, but associated to '%s'"%(dev.actual_ssid,))) else: if dev.configured_ssid is not None: r.append(Text("Will associate to '" + dev.configured_ssid + "'")) else: r.append(Text("No access point configured")) return r def _format_address_list(label, addresses): if len(addresses) == 0: return [] elif len(addresses) == 1: return [Text(label%('',)+' '+str(addresses[0]))] else: ips = [] for ip in addresses: ips.append(str(ip)) return [Text(label%('es',) + ' ' + ', '.join(ips))] def _build_gateway_ip_info_for_version(dev, version): actual_ip_addresses = dev.actual_ip_addresses_for_version(version) configured_ip_addresses = dev.configured_ip_addresses_for_version(version) if dev.dhcp_for_version(version): if dev.actual_ip_addresses: return _format_address_list("Will use DHCP for IPv%s, currently has address%%s:"%(version,), actual_ip_addresses) return [Text("Will use DHCP for IPv%s"%(version,))] elif configured_ip_addresses: if sorted(actual_ip_addresses) == sorted(configured_ip_addresses): return _format_address_list("Using static address%%s for IPv%s:"%(version,), actual_ip_addresses) p = _format_address_list("Will use static address%%s for IPv%s:"%(version,), configured_ip_addresses) if actual_ip_addresses: p.extend(_format_address_list("Currently has address%s:", actual_ip_addresses)) return p elif actual_ip_addresses: return _format_address_list("Has no IPv%s configuration, currently has address%%s:"%(version,), actual_ip_addresses) else: return [Text("IPv%s is not configured"%(version,))] class NetworkView(BaseView): def __init__(self, model, controller): self.model = model self.controller = controller self.items = [] self.error = Text("", align='center') self.model_inputs = Pile(self._build_model_inputs()) self.additional_options = Pile(self._build_additional_options()) self.body = [ Padding.center_79(self.model_inputs), Padding.line_break(""), Padding.center_79(self.additional_options), Padding.line_break(""), Padding.center_79(Color.info_error(self.error)), Padding.line_break(""), Padding.fixed_10(self._build_buttons()), ] # FIXME determine which UX widget should have focus self.lb = ListBox(self.body) self.lb.set_focus(4) # _build_buttons super().__init__(self.lb) def _build_buttons(self): cancel = Color.button(cancel_btn(on_press=self.cancel)) done = Color.button(done_btn(on_press=self.done)) self.default_focus = done buttons = [done, cancel] return Pile(buttons, focus_item=done) def _build_model_inputs(self): netdevs = self.model.get_all_netdevs() ifname_width = 8 # default padding if netdevs: ifname_width += max(map(lambda dev: len(dev.name), netdevs)) if ifname_width > 20: ifname_width = 20 iface_menus = [] # Display each interface -- name in first column, then configured IPs # in the second. log.debug('interfaces: {}'.format(netdevs)) for dev in netdevs: col_1 = [] col_2 = [] col_1.append( Color.menu_button( menu_btn(label=dev.name, on_press=self.on_net_dev_press))) if dev.type == 'wlan': col_2.extend(_build_wifi_info(dev)) if len(dev.actual_ip_addresses) == 0 and dev.type == 'eth' and not dev.is_connected: col_2.append(Color.info_primary(Text("Not connected"))) col_2.extend(_build_gateway_ip_info_for_version(dev, 4)) col_2.extend(_build_gateway_ip_info_for_version(dev, 6)) # Other device info (MAC, vendor/model, speed) template = '' if dev.hwaddr: template += '{} '.format(dev.hwaddr) if dev.is_bond_slave: template += '(Bonded) ' if not dev.vendor.lower().startswith('unknown'): vendor = textwrap.wrap(dev.vendor, 15)[0] template += '{} '.format(vendor) if not dev.model.lower().startswith('unknown'): model = textwrap.wrap(dev.model, 20)[0] template += '{} '.format(model) if dev.speed: template += '({})'.format(dev.speed) col_2.append(Color.info_minor(Text(template))) iface_menus.append(Columns([(ifname_width, Pile(col_1)), Pile(col_2)], 2)) return iface_menus def refresh_model_inputs(self): self.model_inputs.contents = [ (obj, ('pack', None)) for obj in self._build_model_inputs() ] self.additional_options.contents = [ (obj, ('pack', None)) for obj in self._build_additional_options() ] def _build_additional_options(self): labels = [] netdevs = self.model.get_all_netdevs() # Display default route status if self.model.default_v4_gateway is not None: v4_route_source = "via " + self.model.default_v4_gateway default_v4_route_w = Color.info_minor( Text(" IPv4 default route " + v4_route_source + ".")) labels.append(default_v4_route_w) if self.model.default_v6_gateway is not None: v6_route_source = "via " + self.model.default_v6_gateway default_v6_route_w = Color.info_minor( Text(" IPv6 default route " + v6_route_source + ".")) labels.append(default_v6_route_w) max_btn_len = 0 buttons = [] for opt, sig in self.model.get_menu(): if ':set-default-route' in sig: if len(netdevs) < 2: log.debug('Skipping default route menu option' ' (only one nic)') continue if ':bond-interfaces' in sig: not_bonded = [dev for dev in netdevs if not dev.is_bonded] if len(not_bonded) < 2: log.debug('Skipping bonding menu option' ' (not enough available nics)') continue if len(opt) > max_btn_len: max_btn_len = len(opt) buttons.append( Color.menu_button( menu_btn(label=opt, on_press=self.additional_menu_select, user_data=sig))) from urwid import Padding buttons = [ Padding(button, align='left', width=max_btn_len + 6) for button in buttons ] return labels + buttons def additional_menu_select(self, result, sig): self.controller.signal.emit_signal(sig) def on_net_dev_press(self, result): log.debug("Selected network dev: {}".format(result.label)) self.controller.network_configure_interface(result.label) def show_network_error(self, action, info=None): if action == 'generate': self.error.set_text("Network configuration failed: %r" % (info,)) elif action == 'apply': self.error.set_text("Network configuration could not be applied; " + \ "please verify your settings.") elif action == 'timeout': self.error.set_text("Network configuration timed out; " + \ "please verify your settings.") elif action == 'canceled': self.error.set_text("Network configuration canceled.") else: self.error.set_text("An unexpected error has occurred; " + \ "please verify your settings.") def done(self, result): self.controller.network_finish(self.model.render()) def cancel(self, button): self.controller.cancel()

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