mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-09-19 22:07:28 +02:00
287 lines
8.9 KiB
Python
287 lines
8.9 KiB
Python
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import asyncio
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import cbpi
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import copy
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import json
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import logging
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import os.path
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from os import listdir
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from os.path import isfile, join
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import shortuuid
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from cbpi.api.dataclasses import Fermenter, FermenterStep, Props, Step
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from tabulate import tabulate
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import sys, os
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from ..api.step import CBPiStep, StepMove, StepResult, StepState
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logging.basicConfig(format='%(asctime)s,%(msecs)d %(levelname)-8s [%(filename)s:%(lineno)d] %(message)s',
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datefmt='%Y-%m-%d:%H:%M:%S',
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level=logging.INFO)
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class FermentStep:
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def __init__(self, cbpi, step, on_done) -> None:
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self.cbpi = cbpi
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self.logger = logging.getLogger(__name__)
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self.step = step
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self.props = step.props
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self._done_callback = on_done
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self.task = None
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self.summary = ""
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def _done(self, task):
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if self._done_callback is not None:
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try:
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result = task.result()
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self._done_callback(self, result)
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except Exception as e:
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self.logger.error(e)
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async def run(self):
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while True:
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await asyncio.sleep(1)
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async def _run(self):
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try:
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await self.on_start()
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await self.run()
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self.cancel_reason = StepResult.DONE
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except asyncio.CancelledError as e:
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pass
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finally:
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await self.on_stop()
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return self.cancel_reason
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async def start(self):
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self.logger.info("Start {}".format(self.step.name))
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self.running = True
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self.task = asyncio.create_task(self._run())
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self.task.add_done_callback(self._done)
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async def next(self):
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self.running = False
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self.cancel_reason = StepResult.NEXT
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self.task.cancel()
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await self.task
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async def stop(self):
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try:
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self.running = False
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if self.task is not None and self.task.done() is False:
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self.logger.info("Stopping Task")
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self.cancel_reason = StepResult.STOP
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self.task.cancel()
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await self.task
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except Exception as e:
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self.logger.error(e)
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async def on_start(self):
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self.props.hello = "WOOHOo"
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pass
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async def on_stop(self):
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pass
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class FermenationController:
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def __init__(self, cbpi):
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self.cbpi = cbpi
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self.logger = logging.getLogger(__name__)
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self.path = os.path.join(".", 'config', "fermenter_data.json")
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self._loop = asyncio.get_event_loop()
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self.data = {}
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self.types = {}
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self.cbpi.app.on_cleanup.append(self.shutdown)
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async def shutdown(self, app=None):
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self.save()
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for fermenter in self.data:
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self.logger.info("Shutdown {}".format(fermenter.name))
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for step in fermenter.steps:
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try:
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self.logger.info("Stop {}".format(step.name))
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await step.instance.stop()
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except Exception as e:
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self.logger.error(e)
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async def load(self):
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if os.path.exists(self.path) is False:
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with open(self.path, "w") as file:
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json.dump(dict(basic={}, steps=[]), file, indent=4, sort_keys=True)
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with open(self.path) as json_file:
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d = json.load(json_file)
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self.data = list(map(lambda item: self._create(item), d))
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def _create_step(self, fermenter, item):
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id = item.get("id")
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name = item.get("name")
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status = StepState(item.get("status", "I"))
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type = item.get("type")
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type_cfg = self.types.get(type)
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if type_cfg is not None:
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inst = type_cfg.get("class")()
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print(inst)
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step = FermenterStep(id=id, name=name, type=type, status=status, instance=None, fermenter=fermenter)
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step.instance = FermentStep( self.cbpi, step, self._done)
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return step
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def _done(self, step_instance, result):
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step_instance.step.status = StepState.DONE
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self.save()
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if result == StepResult.NEXT:
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asyncio.create_task(self.start(step_instance.step.fermenter.id))
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def _create(self, data):
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id = data.get("id")
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name = data.get("name")
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brewname = data.get("brewname")
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props = Props(data.get("props", {}))
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fermenter = Fermenter(id, name, brewname, props, 0)
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fermenter.steps = list(map(lambda item: self._create_step(fermenter, item), data.get("steps", [])))
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return fermenter
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def _find_by_id(self, id):
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return next((item for item in self.data if item.id == id), None)
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async def init(self):
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pass
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async def get_all(self):
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return self.data
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async def get(self, id: str ):
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return self._find_by_id(id)
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async def create(self, data: Fermenter ):
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data.id = shortuuid.uuid()
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self.data.append(data)
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self.save()
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return data
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async def update(self, item: Fermenter ):
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def _update(old_item: Fermenter, item: Fermenter):
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old_item.name = item.name
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old_item.brewname = item.brewname
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old_item.props = item.props
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old_item.target_temp = item.target_temp
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return old_item
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self.data = list(map(lambda old: _update(old, item) if old.id == item.id else old, self.data))
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self.save()
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return item
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async def delete(self, id: str ):
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item = self._find_by_id(id)
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self.data = list(filter(lambda item: item.id != id, self.data))
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self.save()
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def save(self):
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with open(self.path, "w") as file:
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json.dump(list(map(lambda item: item.to_dict(), self.data)), file, indent=4, sort_keys=True)
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async def create_step(self, id, step: Step):
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try:
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step.id = shortuuid.uuid()
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item = self._find_by_id(id)
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step.instance = FermentStep( self.cbpi, step.id, step.name, None, self._done)
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item.steps.append(step)
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self.save()
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return step
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except Exception as e:
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self.logger.error(e)
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async def update_step(self, id, step):
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item = self._find_by_id(id)
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item = list(map(lambda old: item if old.id == step.id else old, item.steps))
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self.save()
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async def delete_step(self, id, stepid):
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item = self._find_by_id(id)
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item.steps = list(filter(lambda item: item.id != stepid, item.steps))
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self.save()
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def _find_by_status(self, data, status):
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return next((item for item in data if item.status == status), None)
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def _find_step_by_id(self, data, id):
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return next((item for item in data if item.id == id), None)
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async def start(self, id):
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self.logger.info("Start")
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try:
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item = self._find_by_id(id)
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step = self._find_by_status(item.steps, StepState.INITIAL)
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if step is None:
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self.logger.info("No futher step to start")
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await step.instance.start()
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step.status = StepState.ACTIVE
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self.save()
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except Exception as e:
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self.logger.error(e)
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async def stop(self, id):
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try:
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item = self._find_by_id(id)
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step = self._find_by_status(item.steps, StepState.ACTIVE)
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await step.instance.stop()
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step.status = StepState.STOP
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self.save()
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except Exception as e:
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self.logger.error(e)
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async def next(self, id):
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self.logger.info("Next {} ".format(id))
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try:
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item = self._find_by_id(id)
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step = self._find_by_status(item.steps, StepState.ACTIVE)
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await step.instance.next()
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except Exception as e:
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self.logger.error(e)
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async def reset(self, id):
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self.logger.info("Reset")
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try:
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item = self._find_by_id(id)
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for step in item.steps:
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self.logger.info("Stopping Step {} {}".format(step.name, step.id))
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try:
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await step.instance.stop()
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step.status = StepState.INITIAL
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except Exception as e:
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self.logger.error(e)
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self.save()
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except Exception as e:
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self.logger.error(e)
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async def move_step(self, fermenter_id, step_id, direction):
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try:
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fermenter = self._find_by_id(fermenter_id)
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index = next((i for i, item in enumerate(fermenter.steps) if item.id == step_id), None)
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if index == None:
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return
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if index == 0 and direction == -1:
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return
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if index == len(fermenter.steps)-1 and direction == 1:
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return
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fermenter.steps[index], fermenter.steps[index+direction] = fermenter.steps[index+direction], fermenter.steps[index]
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self.save()
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except Exception as e:
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self.logger.error(e)
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