119 lines
4.2 KiB
Python
119 lines
4.2 KiB
Python
# Copyright 2015 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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""" Network Model
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Provides network device listings and extended network information
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"""
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import logging
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import textwrap
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from urwid import (ListBox, Pile, BoxAdapter,
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Text, Columns)
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import yaml
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from netifaces import AF_INET, AF_INET6
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from subiquitycore.ui.lists import SimpleList
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from subiquitycore.ui.buttons import cancel_btn, menu_btn, done_btn
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from subiquitycore.ui.utils import Padding, Color
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from subiquitycore.view import BaseView
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log = logging.getLogger('subiquitycore.views.network')
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class NetworkView(BaseView):
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def __init__(self, model, signal):
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self.model = model
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self.signal = signal
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self.items = []
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self.body = [
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Padding.center_79(self._build_model_inputs()),
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Padding.line_break(""),
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## Padding.center_79(self._build_additional_options()),
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## Padding.line_break(""),
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Padding.fixed_10(self._build_buttons()),
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]
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# FIXME determine which UX widget should have focus
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self.lb = ListBox(self.body)
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self.lb.set_focus(2) # _build_buttons
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super().__init__(self.lb)
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def _build_buttons(self):
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cancel = Color.button(cancel_btn(on_press=self.cancel),
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focus_map='button focus')
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done = Color.button(done_btn(on_press=self.done),
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focus_map='button focus')
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self.default_focus = done
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buttons = [done, cancel]
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return Pile(buttons, focus_item=done)
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def _build_model_inputs(self):
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ifaces = [iface for (name, iface) in sorted(self.model.config.ethernets.items())]
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ifname_width = 8 # default padding
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col_1 = []
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for iface in ifaces:
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col_1.append(
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Color.info_major(
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menu_btn(label=iface.name,
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on_press=self.on_net_dev_press),
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focus_map='button focus'))
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for addr in iface.addresses:
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col_1.append(Text("")) # space for address
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col_1 = BoxAdapter(SimpleList(col_1),
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height=len(col_1))
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col_2 = []
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for iface in ifaces:
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col_2.append(Text(iface.vendor))
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for addr in iface.addresses:
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t = addr.with_prefixlen
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if addr.version == 4:
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if iface.dhcp4:
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t += " (dhcp)"
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else:
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t += " (static)"
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elif addr.version == 6:
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if iface.dhcp6:
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t += " (dhcp)"
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else:
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t += " (static)"
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col_2.append(Text(t))
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if len(col_2):
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col_2 = BoxAdapter(SimpleList(col_2, is_selectable=False),
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height=len(col_2))
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ifname_width += len(max(ifaces, key=len))
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if ifname_width > 20:
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ifname_width = 20
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else:
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col_2 = Pile([Text("No network interfaces detected.")])
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return Columns([(ifname_width, col_1), col_2], 2)
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def done(self, result):
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actions = [iface.action.get() for iface in
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self.model.get_configured_interfaces()]
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actions += self.model.get_default_route()
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log.debug('Configured Network Actions:\n{}'.format(
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yaml.dump(actions, default_flow_style=False)))
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self.signal.emit_signal('network:finish', actions)
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def cancel(self, button):
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self.model.reset()
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self.signal.prev_signal()
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