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comparison velib_python/test/fixture_vedbus.py @ 8:9c0435a617db

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Import velib_python
author Daniel O'Connor <darius@dons.net.au>
date Sun, 05 Dec 2021 14:35:36 +1030
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5:982eeffe9d95 8:9c0435a617db
1 #!/usr/bin/env python3
2 # -*- coding: utf-8 -*-
3
4 from dbus.mainloop.glib import DBusGMainLoop
5 import dbus
6 import dbus.service
7 import inspect
8 import platform
9 import pprint
10 import sys
11 import os
12
13 # our own packages
14 sys.path.insert(1, os.path.join(os.path.dirname(__file__), '../'))
15 from gi.repository import GLib
16 from vedbus import VeDbusItemExport
17
18 # Dictionary containing all objects exported to dbus
19 dbusObjects = {}
20
21 def changerequest(path, newvalue):
22 if newvalue < 100:
23 return True
24 else:
25 return False
26
27 def gettext(path, value):
28 return 'gettexted %s %s' % (path, value)
29
30 def main(argv):
31 global dbusObjects
32
33 # Have a mainloop, so we can send/receive asynchronous calls to and from dbus
34 DBusGMainLoop(set_as_default=True)
35
36 # Connect to session bus whenever present, else use the system bus
37 dbusConn = dbus.SessionBus() if 'DBUS_SESSION_BUS_ADDRESS' in os.environ else dbus.SystemBus()
38
39 # Register ourserves on the dbus as a service
40 name = dbus.service.BusName("com.victronenergy.dbusexample", dbusConn)
41
42 # Create the management objects, as specified in the ccgx dbus-api document
43
44 # Keep a reference in the global dictionary. Without this they would be removed by
45 # garbage collector again.
46 dbusObjects['string'] = VeDbusItemExport(dbusConn, '/String', 'this is a string')
47 dbusObjects['int'] = VeDbusItemExport(dbusConn, '/Int', 40000)
48 dbusObjects['negativeInt'] = VeDbusItemExport(dbusConn, '/NegativeInt', -10)
49 dbusObjects['float'] = VeDbusItemExport(dbusConn, '/Float', 1.5)
50 dbusObjects['invalid'] = VeDbusItemExport(dbusConn, '/Invalid', None)
51 dbusObjects['byte'] = VeDbusItemExport(dbusConn, '/Byte', dbus.Byte(84))
52 dbusObjects['writeable'] = VeDbusItemExport(dbusConn, '/Writeable', 'original', writeable=True)
53 dbusObjects['not-writeable'] = VeDbusItemExport(dbusConn, '/NotWriteable', 'original', writeable=False)
54
55 dbusObjects['not-writeable with cb'] = VeDbusItemExport(dbusConn, '/WriteableUpTo100',
56 'original', writeable=True, onchangecallback=changerequest)
57
58 dbusObjects['gettextcallback'] = VeDbusItemExport(dbusConn, '/Gettextcallback',
59 '10', gettextcallback=gettext, writeable=True)
60
61 mainloop = GLib.MainLoop()
62 print("up and running")
63 sys.stdout.flush()
64
65 mainloop.run()
66
67 main("")