237 lines
8.4 KiB
Python
237 lines
8.4 KiB
Python
#!/usr/bin/python
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# Terminator by Chris Jones <cmsj@tenshu.net>
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# GPL v2 only
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"""ipc.py - DBus server and API calls"""
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from gi.repository import Gdk
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import dbus.service
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from dbus.exceptions import DBusException
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import dbus.glib
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from borg import Borg
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from terminator import Terminator
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from config import Config
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from factory import Factory
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from util import dbg
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CONFIG = Config()
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if not CONFIG['dbus']:
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# The config says we are not to load dbus, so pretend like we can't
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dbg('dbus disabled')
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raise ImportError
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BUS_BASE = 'net.tenshu.Terminator2'
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BUS_PATH = '/net/tenshu/Terminator2'
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try:
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# Try and include the X11 display name in the dbus bus name
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DISPLAY = hex(hash(Gdk.get_display())).replace('-', '_')
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BUS_NAME = '%s%s' % (BUS_BASE, DISPLAY)
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except:
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BUS_NAME = BUS_BASE
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class DBusService(Borg, dbus.service.Object):
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"""DBus Server class. This is implemented as a Borg"""
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bus_name = None
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bus_path = None
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terminator = None
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def __init__(self):
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"""Class initialiser"""
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Borg.__init__(self, self.__class__.__name__)
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self.prepare_attributes()
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dbus.service.Object.__init__(self, self.bus_name, BUS_PATH)
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def prepare_attributes(self):
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"""Ensure we are populated"""
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if not self.bus_name:
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dbg('Checking for bus name availability: %s' % BUS_NAME)
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bus = dbus.SessionBus()
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proxy = bus.get_object('org.freedesktop.DBus',
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'/org/freedesktop/DBus')
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flags = 1 | 4 # allow replacement | do not queue
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if not proxy.RequestName(BUS_NAME, dbus.UInt32(flags)) in (1, 4):
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dbg('bus name unavailable: %s' % BUS_NAME)
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raise dbus.exceptions.DBusException(
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"Couldn't get DBus name %s: Name exists" % BUS_NAME)
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self.bus_name = dbus.service.BusName(BUS_NAME,
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bus=dbus.SessionBus())
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if not self.bus_path:
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self.bus_path = BUS_PATH
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if not self.terminator:
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self.terminator = Terminator()
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@dbus.service.method(BUS_NAME, in_signature='a{ss}')
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def new_window_cmdline(self, options=dbus.Dictionary()):
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"""Create a new Window"""
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dbg('dbus method called: new_window with parameters %s'%(options))
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oldopts = self.terminator.config.options_get()
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oldopts.__dict__ = options
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self.terminator.config.options_set(oldopts)
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self.terminator.create_layout(oldopts.layout)
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self.terminator.layout_done()
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@dbus.service.method(BUS_NAME, in_signature='a{ss}')
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def new_tab_cmdline(self, options=dbus.Dictionary()):
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"""Create a new tab"""
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dbg('dbus method called: new_tab with parameters %s'%(options))
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oldopts = self.terminator.config.options_get()
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oldopts.__dict__ = options
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self.terminator.config.options_set(oldopts)
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window = self.terminator.get_windows()[0]
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window.tab_new()
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@dbus.service.method(BUS_NAME)
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def new_window(self):
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"""Create a new Window"""
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terminals_before = set(self.get_terminals())
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self.terminator.new_window()
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terminals_after = set(self.get_terminals())
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new_terminal_set = list(terminals_after - terminals_before)
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if len(new_terminal_set) != 1:
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"ERROR: Cannot determine the UUID of the added terminal"
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else:
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return new_terminal_set[0]
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@dbus.service.method(BUS_NAME)
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def new_tab(self, uuid=None):
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"""Create a new tab"""
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return self.new_terminal(uuid, 'tab')
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@dbus.service.method(BUS_NAME)
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def hsplit(self, uuid=None):
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"""Split a terminal horizontally, by UUID"""
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return self.new_terminal(uuid, 'hsplit')
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@dbus.service.method(BUS_NAME)
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def vsplit(self, uuid=None):
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"""Split a terminal vertically, by UUID"""
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return self.new_terminal(uuid, 'vsplit')
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def new_terminal(self, uuid, type):
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"""Split a terminal horizontally or vertically, by UUID"""
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dbg('dbus method called: %s' % type)
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if not uuid:
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return "ERROR: No UUID specified"
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terminal = self.terminator.find_terminal_by_uuid(uuid)
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terminals_before = set(self.get_terminals())
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if not terminal:
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return "ERROR: Terminal with supplied UUID not found"
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elif type == 'tab':
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terminal.key_new_tab()
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elif type == 'hsplit':
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terminal.key_split_horiz()
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elif type == 'vsplit':
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terminal.key_split_vert()
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else:
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return "ERROR: Unknown type \"%s\" specified" % (type)
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terminals_after = set(self.get_terminals())
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# Detect the new terminal UUID
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new_terminal_set = list(terminals_after - terminals_before)
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if len(new_terminal_set) != 1:
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return "ERROR: Cannot determine the UUID of the added terminal"
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else:
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return new_terminal_set[0]
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@dbus.service.method(BUS_NAME)
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def get_terminals(self):
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"""Return a list of all the terminals"""
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return [x.uuid.urn for x in self.terminator.terminals]
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@dbus.service.method(BUS_NAME)
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def get_window(self, uuid=None):
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"""Return the UUID of the parent window of a given terminal"""
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terminal = self.terminator.find_terminal_by_uuid(uuid)
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window = terminal.get_toplevel()
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return window.uuid.urn
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@dbus.service.method(BUS_NAME)
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def get_window_title(self, uuid=None):
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"""Return the title of a parent window of a given terminal"""
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terminal = self.terminator.find_terminal_by_uuid(uuid)
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window = terminal.get_toplevel()
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return window.get_title()
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@dbus.service.method(BUS_NAME)
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def get_tab(self, uuid=None):
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"""Return the UUID of the parent tab of a given terminal"""
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maker = Factory()
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terminal = self.terminator.find_terminal_by_uuid(uuid)
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window = terminal.get_toplevel()
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root_widget = window.get_children()[0]
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if maker.isinstance(root_widget, 'Notebook'):
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return root_widget.uuid.urn
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@dbus.service.method(BUS_NAME)
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def get_tab_title(self, uuid=None):
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"""Return the title of a parent tab of a given terminal"""
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maker = Factory()
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terminal = self.terminator.find_terminal_by_uuid(uuid)
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window = terminal.get_toplevel()
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root_widget = window.get_children()[0]
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if maker.isinstance(root_widget, "Notebook"):
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return root_widget.get_tab_label(terminal).get_label()
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def with_proxy(func):
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"""Decorator function to connect to the session dbus bus"""
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dbg('dbus client call: %s' % func.func_name)
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def _exec(*args, **argd):
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bus = dbus.SessionBus()
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proxy = bus.get_object(BUS_NAME, BUS_PATH)
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func(proxy, *args, **argd)
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return _exec
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@with_proxy
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def new_window_cmdline(session, options):
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"""Call the dbus method to open a new window"""
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session.new_window_cmdline(options)
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@with_proxy
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def new_tab_cmdline(session, options):
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"""Call the dbus method to open a new tab in the first window"""
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session.new_tab_cmdline(options)
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@with_proxy
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def new_window(session, options):
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"""Call the dbus method to open a new window"""
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print session.new_window()
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@with_proxy
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def new_tab(session, uuid, options):
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"""Call the dbus method to open a new tab in the first window"""
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print session.new_tab(uuid)
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@with_proxy
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def hsplit(session, uuid, options):
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"""Call the dbus method to horizontally split a terminal"""
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print session.hsplit(uuid)
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@with_proxy
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def vsplit(session, uuid, options):
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"""Call the dbus method to vertically split a terminal"""
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print session.vsplit(uuid)
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@with_proxy
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def get_terminals(session, options):
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"""Call the dbus method to return a list of all terminals"""
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print '\n'.join(session.get_terminals())
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@with_proxy
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def get_window(session, uuid, options):
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"""Call the dbus method to return the toplevel tab for a terminal"""
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print session.get_window(uuid)
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@with_proxy
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def get_window_title(session, uuid, options):
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"""Call the dbus method to return the title of a tab"""
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print session.get_window_title(uuid)
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@with_proxy
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def get_tab(session, uuid, options):
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"""Call the dbus method to return the toplevel tab for a terminal"""
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print session.get_tab(uuid)
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@with_proxy
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def get_tab_title(session, uuid, options):
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"""Call the dbus method to return the title of a tab"""
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print session.get_tab_title(uuid)
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