134 lines
4.0 KiB
Python
134 lines
4.0 KiB
Python
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#!/opt/homebrew/bin/python3
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# -*- coding:utf-8 -*-
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from PyQt6.QtCore import QObject, QTimer, pyqtSignal,QDateTime
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from logs import log
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class CommandExec(QObject):
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def __init__(self, cmd, interval):
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self.cmd = cmd
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self.interval = interval
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class CommandQueue(QObject):
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runProcessOver = pyqtSignal()
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runProcessChange = pyqtSignal(int, int, int, int, str) #当前指令序号，总指令个数，当前循环次数，总循环次数，当前指令名称
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def __init__(self, name='', loop = 1, delay = 1000):
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super().__init__()
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self.reset()
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self.busyFlag = False #指令正在执行，则Flag为True
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self.timer = QTimer()
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self.loopStartTime = QDateTime.currentMSecsSinceEpoch()
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self.timer.setSingleShot(True)
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self.timer.timeout.connect(self.__timerHandler)
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self.setData(name, loop, delay)
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def setData(self, name='', loop = 1, delay = 1000):
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self.name = name
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self.loopCount = loop
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self.delay = delay
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def append(self, cmd, cmdInterval = 100, repeat = 1):
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if repeat < 1:
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repeat = 1
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if cmdInterval < 10:
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cmdInterval = 10
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for _ in range(repeat):
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cmdEx = CommandExec(cmd, cmdInterval)
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self.cmdList.append(cmdEx)
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def reset(self):
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self.cmdList = list()
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self.cmdIndex = 0
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self.loopIndex = 0
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self.running = False
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self.busyFlag = False #指令正在执行，则Flag为True
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def stop(self):
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try:
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self.timer.stop()
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if self.busyFlag == True:
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cmdEx = self.cmdList[self.cmdIndex]
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cmdEx.cmd.runOver.disconnect(self.__cmdExecOverHandler)
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cmdEx.cmd.quit()
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cmdEx.cmd.requestInterruption()
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cmdEx.cmd.wait()
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log.info('command queue stop')
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except Exception as e:
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if "'method' object is not connected" in str(e):
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return e
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log.error(e)
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finally:
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self.running = False
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self.busyFlag = False #指令正在执行，则Flag为True
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def start(self):
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if self.running:
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log.warning("cmd is already running")
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return
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self.running = True
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log.debug('len(self.cmdList)', len(self.cmdList))
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self.loopIndex = 0
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self.cmdIndex = 0
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if len(self.cmdList) == 0:
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return
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self.timer.start(10)
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def __cmdExecOverHandler(self):
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cmdEx = self.cmdList[self.cmdIndex]
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log.debug('cmdIndex : ', self.cmdIndex)
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cmdEx.cmd.runOver.disconnect(self.__cmdExecOverHandler)
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self.busyFlag = False
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self.cmdIndex += 1
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log.debug('exec over')
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def __timerHandler(self):
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if self.busyFlag == True:
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self.timer.start(10) #当前指令未执行完，延时10ms等待
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return
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if self.cmdIndex >= len(self.cmdList):
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self.runProcessOver.emit()
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self.loopIndex += 1
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if self.loopIndex < self.loopCount:
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self.cmdIndex = 0
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ts = QDateTime.currentMSecsSinceEpoch()
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ts = ts - self.loopStartTime
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if self.delay > ts:
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self.timer.start(self.delay - ts)
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return
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else:
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self.running = False #队列执行完
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return
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self.busyFlag = True
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cmdEx = self.cmdList[self.cmdIndex]
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if self.cmdIndex == 0:
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self.loopStartTime = QDateTime.currentMSecsSinceEpoch()
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self.timer.start(cmdEx.interval)
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log.debug('exec cmd index ', self.cmdIndex, ':', cmdEx.cmd.cmdInfo['name'])
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cmdEx.cmd.runOver.connect(self.__cmdExecOverHandler)
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cmdEx.cmd.start()
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self.runProcessChange.emit(
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self.cmdIndex,
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len(self.cmdList),
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self.loopIndex,
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self.loopCount,
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cmdEx.cmd.cmdInfo['name']
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)
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