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annotate flatpak/libervia_wrapper-dbus.py @ 175:73053fcc74c2

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association: ajout du compte rendu de l'AG extraordinaire du 30 octobre 2021
author Goffi <goffi@goffi.org>
date Thu, 02 Dec 2021 21:21:36 +0100
parents a213053a03be
children
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1 #!/usr/bin/env python3
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2 """This script launch Libervia backend if it's not before running command"""
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3
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4 import os
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5 import sys
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6 import dbus
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7 import subprocess
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8 from sat.tools import config
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9
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10 command = "##COMMAND##"
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11 const_INT_PREFIX = "org.libervia.LiberviaCLI"
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12 const_OBJ_PATH = '/org/libervia/Libervia/bridge'
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13
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14 const_INT_PREFIX = config.getConfig(
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15 config.parseMainConf(),
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16 "",
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17 "bridge_dbus_int_prefix",
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18 "org.libervia.Libervia")
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19
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20 # we remove any path with "/home" from PYTHONPATH because we have
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21 # "--filesystem=home" permission and packages in .local/lib/pythonX/site-packages may
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22 # conflict with the ones from flatpak
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23 clean_pythonpath = ':'.join(p for p in sys.path if p and not p.startswith('/home'))
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24 os.environ['PYTHONPATH'] = clean_pythonpath
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25 os.environ['PYTHONNOUSERSITE'] = '1'
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26
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27 try:
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28 sessions_bus = dbus.SessionBus()
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29 db_object = sessions_bus.get_object(const_INT_PREFIX,
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30 const_OBJ_PATH)
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31 except dbus.exceptions.DBusException as e:
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32 if e._dbus_error_name != 'org.freedesktop.DBus.Error.ServiceUnknown':
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33 raise e
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34 # backend not found, we need to launch it
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35 print("Launching Libervia backend")
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36 subprocess.check_call("libervia-backend")
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37 backend_launched = True
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38 else:
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39 backend_launched = False
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40
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41 subprocess.run([command, *sys.argv[1:]])
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42 if backend_launched:
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43 print("Stopping Libervia backend")
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44 subprocess.check_call(["libervia-backend", "stop"])