第一次提交
1、hpi的可用代码; 2、修复了多次点击曝光后,福亮度数据错误的问题; 3、定标方式为大的蓝菲积分球的标准能量曲线,而不是基于asd的能量曲线;
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81
library/multithread.py
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81
library/multithread.py
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import sys, traceback
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from PyQt5.QtCore import QRunnable, QObject, pyqtSignal, pyqtSlot
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class WorkerSignals(QObject):
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'''
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Defines the signals available from a running worker thread.
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Supported signals are:
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finished
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No data
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error
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`tuple` (exctype, value, traceback.format_exc() )
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result
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`object` data returned from processing, anything
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progress
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`int` indicating % progress
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# 信号必须定义为类属性,不能放在__init__方法里
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'''
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finished = pyqtSignal()
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error = pyqtSignal(tuple)
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result = pyqtSignal(object)
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progress = pyqtSignal(int) # 可以用作进度条
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serial = pyqtSignal(object) # 2record_system_v26的此信号移动到类SerialPort中了
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image_signal = pyqtSignal(dict) # 只用在2record_system_v25中
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spectral_signal = pyqtSignal(dict) # 只用在2record_system_v25中
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openinfo = pyqtSignal(int) # 只用在2record_system_v25中
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plotsignal = pyqtSignal() # 2record_system_v26的此信号移动到类ImageWindowPhone中了
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# https://www.learnpyqt.com/courses/concurrent-execution/multithreading-pyqt-applications-qthreadpool/
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# 用于qt多线程:运行long-time task
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class Worker(QRunnable):
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'''
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Worker thread
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Inherits from QRunnable to handler worker thread setup, signals and wrap-up.
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:param callback: The function callback to run on this worker thread. Supplied args and
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kwargs will be passed through to the runner.
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:type callback: function
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:param args: Arguments to pass to the callback function
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:param kwargs: Keywords to pass to the callback function
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'''
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def __init__(self, fn, *args, **kwargs):
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super(Worker, self).__init__()
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# Store constructor arguments (re-used for processing)
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self.fn = fn
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self.args = args
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self.kwargs = kwargs
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self.signals = WorkerSignals()
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# Add the callback to our kwargs
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# self.kwargs['progress_callback'] = self.signals.progress
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@pyqtSlot()
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def run(self):
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'''
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Initialise the runner function with passed args, kwargs.
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'''
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try: # 如果有错,就捕捉错误
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result = self.fn(*self.args, **self.kwargs)
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except Exception: # 根据错误进行处理
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traceback.print_exc()
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exctype, value = sys.exc_info()[:2]
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self.signals.error.emit((exctype, value, traceback.format_exc()))
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else: # 如果没有错误执行下面代码
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self.signals.finished.emit() # Done
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self.signals.result.emit(result) # Return the result of the processing
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finally: # 不管有错无错,都要执行下面代码
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pass
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