differentiate b/t readonly and readwrite config files
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parent
c543cebf57
commit
1a2c82da33
26
config.py
26
config.py
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@ -5,23 +5,33 @@ Presents an interface for yaml files as a dict-like object
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import yaml
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from threading import Lock
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class _ConfigFile():
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class _ReadOnlyFile():
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'''
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Opens a yaml file for reading. Intended for config files.
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'''
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def __init__(self, path):
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self._path = path
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self._lock = Lock()
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with open(self._path, 'r') as f:
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self._dict = yaml.safe_load(f)
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def __getitem__(self, key):
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return self._dict[key]
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class _ReadWriteFile(_ReadOnlyFile):
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'''
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Same as above but adds write functionality. Intended for files that retain
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program state so that it may return to the same state when recovering from
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a crash (eg someone can't crash the system to disarm it)
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'''
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def __init__(self, path):
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super().__init__(path)
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self._lock = Lock()
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def __setitem__(self, key, value):
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with self._lock:
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self._dict[key] = value
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self._sync()
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with open(self._path, 'w') as f:
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yaml.dump(self._dict, f, default_flow_style=False)
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def _sync(self):
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with open(self._path, 'w') as f:
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yaml.dump(self._dict, f, default_flow_style=False)
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configFile = _ConfigFile('config.yaml')
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configFile = _ReadOnlyFile('config/pyledriver.yaml')
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stateFile = _ReadWriteFile('config/state.yaml')
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@ -3,4 +3,3 @@ gmail:
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recipientList:
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- natedwarshuis@gmail.com
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username: natedwarshuis@gmail.com
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state: disarmed
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@ -5,7 +5,7 @@ from functools import partial
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from collections import namedtuple
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from auxilary import CountdownTimer, resetUSBDevice
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from config import configFile
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from config import stateFile
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from sensors import setupDoorSensor, setupMotionSensor
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from gmail import intruderAlert
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from listeners import KeypadListener, PipeListener
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@ -110,7 +110,7 @@ class StateMachine:
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)
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)
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self.currentState = getattr(self.states, configFile['state'])
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self.currentState = getattr(self.states, stateFile['state'])
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self.transitionTable = {
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(self.states.disarmed, SIGNALS.ARM): self.states.disarmedCountdown,
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@ -198,7 +198,7 @@ class StateMachine:
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self.currentState = nextState
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self.currentState.entry()
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configFile['state'] = self.currentState.name
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stateFile['state'] = self.currentState.name
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logger.info('state changed to %s', self.currentState)
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