[python] Jak ladit QThreads z PySide nebo PyQt ?

[richard.andrysek na freenet.de]

Dne pondělí, 14. ledna 2013 1:05:33 UTC+1 Radek Holý napsal(a):
> ad PyCharm: http://youtrack.jetbrains.com/issue/PY-4299?query=e
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> Radek
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> 2013/1/14 Radek Holý <radekho... na gmail.com>
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> Zkusil jsem to v PyCharm (nikdy jsem tam ale debugger nezkousel) a na breakpointech v konstruktoru Workerů se mi to zastaví, ale na breakpointech v ``MyWorkerThread.run`` ne, takže PyCharm to asi také neumí...
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> Radek
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> 2013/1/13 darkanry <richard.... na freenet.de>
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> Stahl jsem si jednoduchy priklad pro praci s QThread. Priklad funguje bez problemu, tak jsem ho zacal upravovat. Bohuzel jsem zjistil, ze to v PyDev nejde ladit. Nevite nekdo jak na to? Kdyz to nejde s PyDev, jde to necim jinym?
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> Priklad:
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> #import pydevd
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> #pydevd.connected = True
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> #pydevd.settrace()
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> from PySide import QtCore
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> import time, sys
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> class MyWorkerThread(QtCore.QThread):
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>     message = QtCore.Signal(str)
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>     def __init__(self, id, parent=None):
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>         super(MyWorkerThread, self).__init__(parent)
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>         self.id = id
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>     def run(self):
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>         for i in range(10):
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>             self.message.emit("%d: %d" % (self.id, i))
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>             time.sleep(0.2)
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> class MainProgram():
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>     def __init__(self, parent=None):
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>         self.threads = []
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>         self.addWorker(MyWorkerThread(1))
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>         self.addWorker(MyWorkerThread(2))
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>     def addWorker(self, worker):
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>         worker.message.connect(self.printMessage, QtCore.Qt.QueuedConnection)
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>         # connect the finished signal to method so that we are notified
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>         worker.finished.connect(self.workersFinished)
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>         self.threads.append(worker)
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>     def startWorkers(self):
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>         for worker in self.threads:
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>             print worker.id
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>             worker.start()
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>             # no wait, no finished. you start the threads and leave.
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>     def workersFinished(self):
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>         if all(worker.isFinished() for worker in self.threads):
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>             # wait until all the threads finished
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>             QtCore.QCoreApplication.instance().quit()
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>     @QtCore.Slot(str)
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>     def printMessage(self, text):
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>         sys.stdout.write(text+'\n')
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>         sys.stdout.flush()
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> if __name__ == '__main__':
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>     app = QtCore.QCoreApplication(sys.argv)
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>     m = MainProgram()
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>     m.startWorkers()
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>     sys.exit(app.exec_())
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Presne to stejny jsem nasel pro PyDev. Doporuceni je pouzit namisto QThread Thread z pythonu. Tim ale zase nemam vyreseny signaly a sloty, nebo jde i to nejak?