src/bindings/python/bt2/bt2/interrupter.py

   1 # The MIT License (MIT)
   2 #
   3 # Copyright (c) 2019 Philippe Proulx <pproulx@efficios.com>
   4 #
   5 # Permission is hereby granted, free of charge, to any person obtaining a copy
   6 # of this software and associated documentation files (the "Software"), to deal
   7 # in the Software without restriction, including without limitation the rights
   8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9 # copies of the Software, and to permit persons to whom the Software is
  10 # furnished to do so, subject to the following conditions:
  11 #
  12 # The above copyright notice and this permission notice shall be included in
  13 # all copies or substantial portions of the Software.
  14 #
  15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21 # THE SOFTWARE.
  22
  23 from bt2 import native_bt, object
  24 import bt2
  25
  26
  27 class Interrupter(object._SharedObject):
  28     _get_ref = staticmethod(native_bt.interrupter_get_ref)
  29     _put_ref = staticmethod(native_bt.interrupter_put_ref)
  30
  31     def __init__(self):
  32         ptr = native_bt.interrupter_create()
  33
  34         if ptr is None:
  35             raise bt2._MemoryError('cannot create interrupter object')
  36
  37         super().__init__(ptr)
  38
  39     @property
  40     def is_set(self):
  41         return bool(native_bt.interrupter_is_set(self._ptr))
  42
  43     def __bool__(self):
  44         return self.is_set
  45
  46     def set(self):
  47         native_bt.interrupter_set(self._ptr)
  48
  49     def reset(self):
  50         native_bt.interrupter_reset(self._ptr)