463 lines
16 KiB
Python
463 lines
16 KiB
Python
# Copyright (C) 2006-2007, 2013 Red Hat, Inc.
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# Copyright (C) 2006 Hugh O. Brock <hbrock@redhat.com>
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#
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# This work is licensed under the GNU GPLv2 or later.
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# See the COPYING file in the top-level directory.
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import ipaddress
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from gi.repository import Gtk
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from gi.repository import Pango
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import libvirt
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from virtinst import generatename
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from virtinst import log
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from virtinst import Network
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from .lib import uiutil
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from .asyncjob import vmmAsyncJob
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from .baseclass import vmmGObjectUI
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from .xmleditor import vmmXMLEditor
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def _make_ipaddr(addrstr):
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try:
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return ipaddress.ip_network(str(addrstr), strict=False)
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except Exception: # pragma: no cover
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return None
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class vmmCreateNetwork(vmmGObjectUI):
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def __init__(self, conn):
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vmmGObjectUI.__init__(self, "createnet.ui", "vmm-create-net")
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self.conn = conn
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self._xmleditor = vmmXMLEditor(self.builder, self.topwin,
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self.widget("net-details-align"),
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self.widget("net-details"))
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self._xmleditor.connect("xml-requested",
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self._xmleditor_xml_requested_cb)
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self.builder.connect_signals({
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"on_create_cancel_clicked": self.close,
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"on_vmm_create_delete_event": self.close,
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"on_create_finish_clicked": self.finish,
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"on_net_forward_mode_changed": self._net_forward_mode_changed_cb,
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"on_net_forward_device_changed": self._net_forward_device_changed_cb,
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"on_net_dns_use_toggled": self._net_dns_use_toggled_cb,
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"on_net-ipv4-enable_toggled": self._ipv4_toggled_cb,
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"on_net-ipv4-network_changed": self._change_ipv4_network_cb,
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"on_net-dhcpv4-enable_toggled": self._dhcpv4_toggled_cb,
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"on_net-ipv6-enable_toggled": self._ipv6_toggled_cb,
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"on_net-ipv6-network_changed": self._change_ipv6_network_cb,
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"on_net-dhcpv6-enable_toggled": self._dhcpv6_toggled_cb,
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})
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self.bind_escape_key_close()
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self.set_initial_state()
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####################
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# Standard methods #
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####################
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def show(self, parent):
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log.debug("Showing new network wizard")
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self.reset_state()
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self.topwin.set_transient_for(parent)
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self.topwin.present()
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def close(self, ignore1=None, ignore2=None):
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log.debug("Closing new network wizard")
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self.topwin.hide()
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return 1
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def _cleanup(self):
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self.conn = None
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self._xmleditor.cleanup()
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self._xmleditor = None
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###########
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# UI init #
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###########
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def set_initial_state(self):
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# [ dev name, label ]
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pf_list = self.widget("net-hostdevs")
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pf_model = Gtk.ListStore(str, str)
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pf_list.set_model(pf_model)
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text = uiutil.init_combo_text_column(pf_list, 1)
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text.set_property("ellipsize", Pango.EllipsizeMode.MIDDLE)
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# [ show_manual, label]
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fw_list = self.widget("net-forward-device")
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fw_model = Gtk.ListStore(bool, str)
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fw_list.set_model(fw_model)
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uiutil.init_combo_text_column(fw_list, 1)
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fw_model.append([False, _("Any physical device")])
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fw_model.append([True, _("Physical device...")])
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# [ mode, label ]
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mode_list = self.widget("net-forward-mode")
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mode_model = Gtk.ListStore(str, str)
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mode_list.set_model(mode_model)
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uiutil.init_combo_text_column(mode_list, 1)
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mode_model.append(["nat", _("NAT")])
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mode_model.append(["route", _("Routed")])
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mode_model.append(["open", _("Open")])
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mode_model.append(["isolated", _("Isolated")])
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mode_model.append(["hostdev", _("SR-IOV pool")])
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def reset_state(self):
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self._xmleditor.reset_state()
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basename = "network"
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def cb(n):
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return generatename.check_libvirt_collision(
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self.conn.get_backend().networkLookupByName, n)
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default_name = generatename.generate_name(basename, cb)
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self.widget("net-name").set_text(default_name)
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self.widget("net-dns-use-netname").set_active(True)
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self.widget("net-ipv4-expander").set_visible(True)
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self.widget("net-ipv4-expander").set_expanded(False)
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self.widget("net-ipv6-expander").set_visible(True)
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self.widget("net-ipv6-expander").set_expanded(False)
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self.widget("net-dns-expander").set_visible(True)
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self.widget("net-dns-expander").set_expanded(False)
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self.widget("net-ipv4-enable").set_active(True)
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self.widget("net-ipv4-network").set_text("192.168.100.0/24")
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self.widget("net-dhcpv4-enable").set_active(True)
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self.widget("net-dhcpv4-start").set_text("192.168.100.128")
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self.widget("net-dhcpv4-end").set_text("192.168.100.254")
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self.widget("net-ipv6-enable").set_active(False)
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self.widget("net-ipv6-network").set_text("")
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self.widget("net-dhcpv6-enable").set_active(False)
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self.widget("net-dhcpv6-start").set_text("")
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self.widget("net-dhcpv6-end").set_text("")
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# Populate physical forward devices
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self.widget("net-forward-device").set_active(0)
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self.widget("net-forward-mode").set_active(0)
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self.widget("net-forward-manual").set_text("")
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# Populate hostdev forward devices
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devprettynames = []
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ifnames = []
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for pcidev in self.conn.filter_nodedevs("pci"):
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if not pcidev.xmlobj.is_pci_sriov():
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continue
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devdesc = pcidev.pretty_name()
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for netdev in self.conn.filter_nodedevs("net"):
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if pcidev.xmlobj.name != netdev.xmlobj.parent:
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continue
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ifname = netdev.xmlobj.interface
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devprettyname = "%s (%s)" % (ifname, devdesc)
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devprettynames.append(devprettyname)
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ifnames.append(ifname)
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break
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pf_model = self.widget("net-hostdevs").get_model()
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pf_model.clear()
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for devprettyname, ifname in zip(devprettynames, ifnames):
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pf_model.append([ifname, devprettyname])
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if len(pf_model) == 0:
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pf_model.append([None, _("No available device")])
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self.widget("net-hostdevs").set_active(0)
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##################
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# UI get helpers #
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##################
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def get_config_ipv4_enable(self):
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return (self.widget("net-ipv4-expander").is_visible() and
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self.widget("net-ipv4-enable").get_active())
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def get_config_ipv6_enable(self):
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return (self.widget("net-ipv6-expander").is_visible() and
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self.widget("net-ipv6-enable").get_active())
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def get_config_dhcpv4_enable(self):
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return self.widget("net-dhcpv4-enable").get_active()
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def get_config_dhcpv6_enable(self):
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return self.widget("net-dhcpv6-enable").get_active()
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def get_config_domain_name(self):
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widget = self.widget("net-domain-name")
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if not widget.is_visible():
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return None
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if self.widget("net-dns-use-netname").get_active():
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return self.widget("net-name").get_text()
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return widget.get_text()
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def _get_network_helper(self, widgetname):
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widget = self.widget(widgetname)
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if not widget.is_visible() or not widget.is_sensitive():
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return None
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return _make_ipaddr(widget.get_text())
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def get_config_ip4(self):
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return self._get_network_helper("net-ipv4-network")
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def get_config_dhcpv4_start(self):
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return self._get_network_helper("net-dhcpv4-start")
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def get_config_dhcpv4_end(self):
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return self._get_network_helper("net-dhcpv4-end")
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def get_config_ip6(self):
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return self._get_network_helper("net-ipv6-network")
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def get_config_dhcpv6_start(self):
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return self._get_network_helper("net-dhcpv6-start")
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def get_config_dhcpv6_end(self):
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return self._get_network_helper("net-dhcpv6-end")
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def _get_config_net_forward_dev(self):
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if not self.widget("net-forward-device").is_visible():
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return None
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manual = bool(uiutil.get_list_selection(
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self.widget("net-forward-device")))
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if not manual:
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return None
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return self.widget("net-forward-manual").get_text()
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#############
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# Listeners #
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#############
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def _net_forward_mode_changed_cb(self, src):
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mode = uiutil.get_list_selection(self.widget("net-forward-mode"))
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fw_visible = mode not in ["open", "isolated", "hostdev"]
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is_hostdev = mode in ["hostdev"]
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uiutil.set_grid_row_visible(
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self.widget("net-forward-device"), fw_visible)
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self._net_forward_device_changed_cb(self.widget("net-forward-device"))
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uiutil.set_grid_row_visible(self.widget("net-hostdevs"), is_hostdev)
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self.widget("net-ipv4-expander").set_visible(not is_hostdev)
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self.widget("net-ipv6-expander").set_visible(not is_hostdev)
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self.widget("net-dns-expander").set_visible(not is_hostdev)
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def _net_forward_device_changed_cb(self, src):
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manual = uiutil.get_list_selection(
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self.widget("net-forward-device"))
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if not src.is_visible():
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manual = False
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uiutil.set_grid_row_visible(
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self.widget("net-forward-manual"), manual)
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def _net_dns_use_toggled_cb(self, src):
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custom = self.widget("net-dns-use-custom").get_active()
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self.widget("net-domain-name").set_sensitive(custom)
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def _ipv4_toggled_cb(self, src):
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self.change_ipv4_enable()
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def _dhcpv4_toggled_cb(self, src):
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self.change_dhcpv4_enable()
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def _ipv6_toggled_cb(self, src):
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self.change_ipv6_enable()
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def _dhcpv6_toggled_cb(self, src):
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self.change_dhcpv6_enable()
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def change_ipv4_enable(self):
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enabled = self.widget("net-ipv4-enable").get_active()
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self.widget("net-ipv4-box").set_visible(enabled)
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def change_ipv6_enable(self):
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enabled = self.widget("net-ipv6-enable").get_active()
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self.widget("net-ipv6-box").set_visible(enabled)
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def change_dhcpv4_enable(self):
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enabled = self.get_config_dhcpv4_enable()
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start = self.widget("net-dhcpv4-start")
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end = self.widget("net-dhcpv4-end")
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uiutil.set_grid_row_visible(start, enabled)
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uiutil.set_grid_row_visible(end, enabled)
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def change_dhcpv6_enable(self):
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enabled = self.get_config_dhcpv6_enable()
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start = self.widget("net-dhcpv6-start")
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end = self.widget("net-dhcpv6-end")
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uiutil.set_grid_row_visible(start, enabled)
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uiutil.set_grid_row_visible(end, enabled)
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def _change_ipv4_network_cb(self, src):
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ip = self.get_config_ip4()
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# No IP specified or invalid IP
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if ip is None or ip.version != 4:
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return
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start = int(ip.num_addresses // 2)
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end = int(ip.num_addresses - 2)
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self.widget("net-dhcpv4-start").set_text(
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str(ip.network_address + start)
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)
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self.widget("net-dhcpv4-end").set_text(str(ip.network_address + end))
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def _change_ipv6_network_cb(self, src):
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ip = self.get_config_ip6()
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if ip is None or ip.version != 6:
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return
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start = 256
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end = 512 - 1
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self.widget("net-dhcpv6-start").set_text(
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str(ip.network_address + start)
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)
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self.widget("net-dhcpv6-end").set_text(str(ip.network_address + end))
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#########################
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# XML build and install #
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#########################
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def _validate(self, net):
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net.validate_generic_name(_("Network"), net.name)
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try:
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net.conn.networkLookupByName(net.name)
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except libvirt.libvirtError:
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return
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raise ValueError(_("Name '%s' already in use by another network." %
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net.name))
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def _build_xmlobj_from_xmleditor(self):
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xml = self._xmleditor.get_xml()
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log.debug("Using XML from xmleditor:\n%s", xml)
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return Network(self.conn.get_backend(), parsexml=xml)
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def _build_xmlobj_from_ui(self):
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net = Network(self.conn.get_backend())
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net.name = self.widget("net-name").get_text()
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net.domain_name = self.get_config_domain_name()
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mode = uiutil.get_list_selection(self.widget("net-forward-mode"))
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dev = self._get_config_net_forward_dev()
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if mode == "isolated":
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mode = None
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net.forward.mode = mode
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net.forward.dev = dev
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if net.forward.mode == "hostdev":
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net.forward.managed = "yes"
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pfobj = net.forward.pf.add_new()
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pfobj.dev = uiutil.get_list_selection(
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self.widget("net-hostdevs"))
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return net
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if self.get_config_ipv4_enable():
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ip = self.get_config_ip4()
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ipobj = net.ips.add_new()
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if ip:
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ipobj.address = str(ip.network_address + 1)
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ipobj.netmask = str(ip.netmask)
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if self.get_config_dhcpv4_enable():
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dhcpobj = ipobj.ranges.add_new()
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start = self.get_config_dhcpv4_start()
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end = self.get_config_dhcpv4_end()
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if start:
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dhcpobj.start = str(start.network_address)
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if end:
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dhcpobj.end = str(end.network_address)
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if self.get_config_ipv6_enable():
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ip = self.get_config_ip6()
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ipobj = net.ips.add_new()
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ipobj.family = "ipv6"
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if ip:
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ipobj.address = str(ip.network_address + 1)
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ipobj.prefix = str(ip.prefixlen)
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if self.get_config_dhcpv6_enable():
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dhcpobj = ipobj.ranges.add_new()
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start = self.get_config_dhcpv6_start()
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end = self.get_config_dhcpv6_end()
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if start:
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dhcpobj.start = str(start.network_address)
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if end:
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dhcpobj.end = str(end.network_address)
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return net
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def _build_xmlobj(self, check_xmleditor):
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try:
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xmlobj = self._build_xmlobj_from_ui()
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if check_xmleditor and self._xmleditor.is_xml_selected():
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xmlobj = self._build_xmlobj_from_xmleditor()
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return xmlobj
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except Exception as e:
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self.err.show_err(_("Error building XML: %s") % str(e))
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def _finish_cb(self, error, details):
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self.reset_finish_cursor()
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if error:
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error = _("Error creating virtual network: %s") % str(error)
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self.err.show_err(error, details=details)
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else:
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self.conn.schedule_priority_tick(pollnet=True)
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self.close()
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def _async_net_create(self, asyncjob, net):
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ignore = asyncjob
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xml = net.get_xml()
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log.debug("Creating virtual network '%s' with xml:\n%s",
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net.name, xml)
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netobj = self.conn.get_backend().networkDefineXML(xml)
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try:
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netobj.create()
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netobj.setAutostart(True)
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except Exception: # pragma: no cover
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netobj.undefine()
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raise
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def finish(self, ignore):
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net = self._build_xmlobj(check_xmleditor=True)
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if not net:
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return
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try:
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self._validate(net)
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except Exception as e:
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return self.err.show_err(
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_("Error validating network: %s") % e)
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self.set_finish_cursor()
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progWin = vmmAsyncJob(self._async_net_create, [net],
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self._finish_cb, [],
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_("Creating virtual network..."),
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_("Creating the virtual network may take a "
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"while..."),
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self.topwin)
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progWin.run()
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################
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# UI listeners #
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################
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def _xmleditor_xml_requested_cb(self, src):
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xmlobj = self._build_xmlobj(check_xmleditor=False)
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self._xmleditor.set_xml(xmlobj and xmlobj.get_xml() or "")
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