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How to use _e4gImageIsBlank method in fMBT

Best Python code snippet using fMBT_python

fmbtvnc.py

Source:fmbtvnc.py

...122            self.client.captureScreen(filename)123        if self._firstScreenshot and retry > 0:124            # Retry if the result is blank, workaround "first125            # screenshot is blank" issue with TightVNC server.126            if fmbtgti._e4gImageIsBlank(filename):127                time.sleep(1)128                return self.recvScreenshot(filename, retry-1)129        self._firstScreenshot = False130        return True131    def target(self):132        return "VNC-" + self._host + "-" + str(self._port)133class FMBTVNCError(Exception): pass134class VNCConnectionError(Exception): pass135def _continuousIncrementalUpdateWatch(client, conn):136    client.continuousIncrementalUpdateRequest(conn)137def _continuousIncrementalUpdateRequest(self, conn):138    self.framebufferUpdateRequest(incremental=1)139    self.deferred = Deferred()140    self.deferred.addCallback(self.continuousIncrementalUpdateSave, conn)...

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