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supervisor/hassio/dbus/utils.py
Pascal Vizeli 82f68b4a7b fix dbus
2018-04-25 22:27:57 +02:00

15 lines
424 B
Python

"""Utils for dbus."""
from ..exceptions import DBusNotConnectedError
def dbus_connected(method):
"""Wrapper for check if dbus is connected."""
def wrap_dbus(api, *args, **kwargs):
"""Check if dbus is connected before call a method."""
if api.dbus is None:
raise DBusNotConnectedError(f"{api!s} not connected to dbus!")
return method(api, *args, **kwargs)
return wrap_dbus