PyThermostat: Modify PIDAutotune for GUI usage #162

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atse wants to merge 3 commits from atse/thermostat:autotune-state into master
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@ -2,7 +2,7 @@ import math
import logging
import time
from collections import deque, namedtuple
from enum import Enum
from enum import Enum, auto
from pythermostat.client import Client
@ -13,11 +13,11 @@ from pythermostat.client import Client
class PIDAutotuneState(Enum):
STATE_OFF = 'off'
STATE_RELAY_STEP_UP = 'relay step up'
STATE_RELAY_STEP_DOWN = 'relay step down'
STATE_SUCCEEDED = 'succeeded'
STATE_FAILED = 'failed'
STATE_OFF = auto()
STATE_RELAY_STEP_UP = auto()
STATE_RELAY_STEP_DOWN = auto()
STATE_SUCCEEDED = auto()
STATE_FAILED = auto()
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Review

Inconsistent string delimiter.

Can't it just use auto() anyway?

Inconsistent string delimiter. Can't it just use ``auto()`` anyway?
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Review

Actually yes, switched to auto() in force-push to 828648ed76.

Then I believe #71 would be unnecessary since the string values aren't used anywhere.

Actually yes, switched to `auto()` in force-push to 828648ed76. Then I believe #71 would be unnecessary since the string values aren't used anywhere.
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Review

Also just realised this highlights the verbosity of the STATE_ prefix.

Also just realised this highlights the verbosity of the `STATE_` prefix.
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Review

Refactored in force-push to 869922c928.

Refactored in force-push to 869922c928.
class PIDAutotune:
@ -94,27 +94,28 @@ class PIDAutotune:
"""
now = time_input * 1000
if (self._state == PIDAutotuneState.STATE_OFF
or self._state == PIDAutotuneState.STATE_SUCCEEDED
or self._state == PIDAutotuneState.STATE_FAILED):
if self._state not in {
PIDAutotuneState.STATE_RELAY_STEP_DOWN,
PIDAutotuneState.STATE_RELAY_STEP_UP,
}:
self._state = PIDAutotuneState.STATE_RELAY_STEP_UP
self._last_run_timestamp = now
# check input and change relay state if necessary
if (self._state == PIDAutotuneState.STATE_RELAY_STEP_UP
and input_val > self._setpoint + self._noiseband):
if self._state == PIDAutotuneState.STATE_RELAY_STEP_UP
and input_val > self._setpoint + self._noiseband:
self._state = PIDAutotuneState.STATE_RELAY_STEP_DOWN
logging.debug('switched state: {0}'.format(self._state))
logging.debug('input: {0}'.format(input_val))
elif (self._state == PIDAutotuneState.STATE_RELAY_STEP_DOWN
and input_val < self._setpoint - self._noiseband):
elif self._state == PIDAutotuneState.STATE_RELAY_STEP_DOWN
and input_val < self._setpoint - self._noiseband:
self._state = PIDAutotuneState.STATE_RELAY_STEP_UP

Isn't there a way to shorten it?

Isn't there a way to shorten it?
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Review

Yep, did it in the latest force-push to 828648ed76.

Yep, did it in the latest force-push to 828648ed76.

Wouldn't the negative logic be applicable here? Like not in (STEP_UP, STEP_DOWN).

Wouldn't the negative logic be applicable here? Like `not in (STEP_UP, STEP_DOWN)`.
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Review

Humm, that's true. Was worried about self._state being set to a non-PIDAutotuneState value, but that shouldn't happen under normal circumstances.

Humm, that's true. Was worried about `self._state` being set to a non-`PIDAutotuneState` value, but that shouldn't happen under normal circumstances.
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Review

Done in force-push to f4c1dab00f.

Done in force-push to f4c1dab00f.
logging.debug('switched state: {0}'.format(self._state))
logging.debug('input: {0}'.format(input_val))
# set output
if (self._state == PIDAutotuneState.STATE_RELAY_STEP_UP):
if self._state == PIDAutotuneState.STATE_RELAY_STEP_UP:
self._output = self._initial_output - self._outputstep
elif self._state == PIDAutotuneState.STATE_RELAY_STEP_DOWN:
self._output = self._initial_output + self._outputstep