/usr/lib/python2.7/dist-packages/autopilot/vis/bus_enumerator.py is in python-autopilot-vis 1.4.1+17.04.20170305-0ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | # -*- Mode: Python; coding: utf-8; indent-tabs-mode: nil; tab-width: 4 -*-
#
# Autopilot Functional Test Tool
# Copyright (C) 2013 Canonical
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
from collections import defaultdict
from autopilot.vis.dbus_search import _start_trawl
from PyQt4.QtCore import (
pyqtSignal,
QObject,
)
class BusEnumerator(QObject):
"""A simple utility class to support enumeration of all DBus connections,
objects, and interfaces.
Create an instance of ths class, and connect to the new_interface_found
signal.
"""
new_interface_found = pyqtSignal(str, str, str)
def __init__(self, bus):
super(BusEnumerator, self).__init__()
self._bus = bus
self._data = defaultdict(lambda: defaultdict(list))
def get_found_connections(self):
"""Get a list of found connection names. This may not be up to date."""
return list(self._data.keys())
def get_found_objects(self, connection_string):
"""Get a list of found objects for a particular connection name.
This may be out of date.
"""
if connection_string not in self._data:
raise KeyError("%s not in results" % connection_string)
return list(self._data[connection_string].keys())
def get_found_interfaces(self, connection_string, object_path):
"""Get a list of found interfaces for a particular connection name and
object path.
This may be out of date.
"""
if connection_string not in self._data:
raise KeyError("connection %s not in results" % connection_string)
if object_path not in self._data[connection_string]:
raise KeyError(
"object %s not in results for connection %s" %
(object_path, connection_string))
return self._data[connection_string][object_path]
def start_trawl(self):
"""Start trawling the bus for interfaces."""
for connection in self._bus.list_names():
_start_trawl(self._bus, connection, self._add_hit)
def _add_hit(self, conn_name, obj_name, interface_name):
self.new_interface_found.emit(conn_name, obj_name, interface_name)
self._data[conn_name][obj_name].append(interface_name)
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