Properly handle unavailable port value writes

Author: ccrisan

qtoggleserver/raspigpio/raspigpio.py

@@ -2,12 +2,12 @@
 
 from typing import Optional
 
-from qtoggleserver.core import ports
+from qtoggleserver.core import ports as core_ports
 from qtoggleserver.utils import json as json_utils
 
 
-class GPIO(ports.Port):
-    TYPE = ports.TYPE_BOOLEAN
+class GPIO(core_ports.Port):
+    TYPE = core_ports.TYPE_BOOLEAN
 
     ADDITIONAL_ATTRDEFS = {
         'output': {
@@ -67,6 +67,7 @@ async def handle_enable(self) -> None:
     async def read_value(self) -> bool:
         return 'level=1' in self._exec_raspi_gpio(f'get {self._no}')
 
+    @core_ports.skip_write_unavailable
     async def write_value(self, value: bool) -> None:
         self.debug('writing output value %s', json_utils.dumps(value))
         self._exec_raspi_gpio(f'set {self._no} d{self._OUTPUT_LEVEL_MAPPING[value]}')