Removing multiple rows from a Gtk TreeStore http://stackoverflow.com/questions/27929681/removing-multiple-rows-from-a-gtk-treestore

main.py

from gi.repository import Gtk
from os.path import abspath, dirname, join


class MyApp(object):

    def __init__(self):
        """
        Build GUI
        """
        # Build GUI from Glade file
        self.builder = Gtk.Builder()
        self.builder.add_from_file(
            join(abspath(dirname(__file__)), 'ui.glade')
        )

        # Get objects
        go = self.builder.get_object
        self.window = go('window')
        self.view = go('view')
        self.delete = go('delete')

        # Connect signals
        self.builder.connect_signals(self)

        # Configure interface
        self.window.connect('delete-event', lambda x, y: Gtk.main_quit())

        # Everything is ready
        self.window.show()

    def _delete_cb(self, widget, data=None):
        """
        Button callback
        """
        print('Delete button pressed...')

        selection = self.view.get_selection()
        model, paths = selection.get_selected_rows()

        print([p.to_string() for p in paths])

        for p in reversed(paths):
            itr = model.get_iter(p)
            model.remove(itr)


if __name__ == '__main__':
    gui = MyApp()
    Gtk.main()

ui.glade

<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated with glade 3.16.1 -->
<interface>
  <requires lib="gtk+" version="3.10"/>
  <object class="GtkListStore" id="model">
    <columns>
      <!-- column-name key -->
      <column type="guint"/>
      <!-- column-name value -->
      <column type="gchararray"/>
    </columns>
    <data>
      <row>
        <col id="0">0</col>
        <col id="1" translatable="yes">Zero</col>
      </row>
      <row>
        <col id="0">1</col>
        <col id="1" translatable="yes">One</col>
      </row>
      <row>
        <col id="0">2</col>
        <col id="1" translatable="yes">Two</col>
      </row>
      <row>
        <col id="0">3</col>
        <col id="1" translatable="yes">Three</col>
      </row>
      <row>
        <col id="0">4</col>
        <col id="1" translatable="yes">Four</col>
      </row>
      <row>
        <col id="0">5</col>
        <col id="1" translatable="yes">Five</col>
      </row>
      <row>
        <col id="0">6</col>
        <col id="1" translatable="yes">Six</col>
      </row>
    </data>
  </object>
  <object class="GtkWindow" id="window">
    <property name="can_focus">False</property>
    <property name="border_width">10</property>
    <property name="title" translatable="yes">Removing Rows in GtkTreeView</property>
    <property name="window_position">center-always</property>
    <property name="default_width">600</property>
    <property name="default_height">400</property>
    <child>
      <object class="GtkBox" id="body">
        <property name="visible">True</property>
        <property name="can_focus">False</property>
        <property name="orientation">vertical</property>
        <property name="spacing">5</property>
        <child>
          <object class="GtkScrolledWindow" id="scroll">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="shadow_type">in</property>
            <child>
              <object class="GtkTreeView" id="view">
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="model">model</property>
                <property name="enable_search">False</property>
                <property name="tooltip_column">1</property>
                <child internal-child="selection">
                  <object class="GtkTreeSelection" id="selection">
                    <property name="mode">multiple</property>
                  </object>
                </child>
                <child>
                  <object class="GtkTreeViewColumn" id="column_key">
                    <property name="resizable">True</property>
                    <property name="title" translatable="yes">Key</property>
                    <child>
                      <object class="GtkCellRendererText" id="cell_key"/>
                      <attributes>
                        <attribute name="text">0</attribute>
                      </attributes>
                    </child>
                  </object>
                </child>
                <child>
                  <object class="GtkTreeViewColumn" id="column_value">
                    <property name="resizable">True</property>
                    <property name="title" translatable="yes">Value</property>
                    <child>
                      <object class="GtkCellRendererText" id="cell_value"/>
                      <attributes>
                        <attribute name="text">1</attribute>
                      </attributes>
                    </child>
                  </object>
                </child>
              </object>
            </child>
          </object>
          <packing>
            <property name="expand">True</property>
            <property name="fill">True</property>
            <property name="position">0</property>
          </packing>
        </child>
        <child>
          <object class="GtkButtonBox" id="buttons">
            <property name="visible">True</property>
            <property name="can_focus">False</property>
            <property name="homogeneous">True</property>
            <property name="layout_style">end</property>
            <child>
              <object class="GtkButton" id="delete">
                <property name="label" translatable="yes">Delete</property>
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="receives_default">True</property>
                <signal name="clicked" handler="_delete_cb" swapped="no"/>
              </object>
              <packing>
                <property name="expand">False</property>
                <property name="fill">True</property>
                <property name="position">0</property>
              </packing>
            </child>
          </object>
          <packing>
            <property name="expand">False</property>
            <property name="fill">False</property>
            <property name="position">1</property>
          </packing>
        </child>
      </object>
    </child>
  </object>
</interface>