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How to use westonTakeScreenshotRoot method in fMBT

Best Python code snippet using fMBT_python
fmbttizen-agent.py
Source:fmbttizen-agent.py
...668    rawfmbt_data = ctypes.string_at(image.data, image.height * image.bytes_per_line)669    compressed_image = rawfmbt_header + zlib.compress(rawfmbt_data, 3)670    libX11.XDestroyImage(image_p)671    return True, compressed_image672def westonTakeScreenshotRoot(retry=2):673    if westonTakeScreenshotRoot.ssFilenames == None:674        westonTakeScreenshotRoot.ssFilenames = findWestonScreenshotFilenames()675    if not westonTakeScreenshotRoot.ssFilenames:676        return False, "cannot find weston screenshot directory"677    try:678        for ssFilename in westonTakeScreenshotRoot.ssFilenames:679            if os.access(ssFilename, os.R_OK):680                os.remove(ssFilename)681        keyboard_device.press("KEY_LEFTMETA")682        keyboard_device.tap("s")683        keyboard_device.release("KEY_LEFTMETA")684        time.sleep(0.5)685        # find which screenshot file got created?686        for ssFilename in westonTakeScreenshotRoot.ssFilenames:687            if os.access(ssFilename, os.R_OK):688                break689        else:690            if retry > 0:691                return westonTakeScreenshotRoot(retry-1)692            else:693                return False, "weston did not create any of files %s" % (694                    westonTakeScreenshotRoot.ssFilenames,)695        # wait for the screenshot writer to finish696        writerPid = fuser(ssFilename)697        if writerPid != None:698            time.sleep(0.1)699            while fuser(ssFilename, [writerPid]) != None:700                time.sleep(0.1)701        shutil.move(ssFilename, "/tmp/screenshot.png")702        os.chmod("/tmp/screenshot.png", 0666)703    except Exception, e:704        return False, str(e)705    return True, None706westonTakeScreenshotRoot.ssFilenames = None707def takeScreenshotOnWeston():708    if iAmRoot:709        rv, status = westonTakeScreenshotRoot()710    else:711        rv, status = subAgentCommand("root", "tizen", "ss weston-root")712    if rv == False:713        return rv, status714    return True, file("/tmp/screenshot.png").read()715def fuser(filename, usualSuspects=None):716    """Returns the pid of a user of given file, or None"""717    filepath = os.path.realpath(filename)718    if not os.access(filepath, os.R_OK):719        raise ValueError('No such file: "%s"' % (filename,))720    if usualSuspects == None:721        procFds = glob.glob("/proc/[1-9][0-9][0-9]*/fd/*")722    else:723        procFds = []724        for pid in usualSuspects:725            procFds.extend(glob.glob("/proc/%s/fd/*" % (pid,)))726    for symlink in procFds:727        try:728            if os.path.realpath(symlink) == filepath:729                return int(symlink.split('/')[2])730        except OSError:731            pass732def findWestonScreenshotFilenames():733    # find weston cwd734    dirs = []735    for exe in glob.glob("/proc/[1-9][0-9][0-9]*/exe"):736        try:737            if os.path.realpath(exe) == "/usr/bin/weston":738                dirs.append(os.path.realpath(os.path.dirname(exe) + "/cwd"))739        except OSError:740            pass741    return [d + "/wayland-screenshot.png" for d in sorted(set(dirs))]742if g_Xavailable:743    takeScreenshot = takeScreenshotOnX744else:745    takeScreenshot = takeScreenshotOnWeston746def shellSOE(command, asyncStatus, asyncOut, asyncError, usePty):747    if usePty:748        command = '''python -c "import pty; pty.spawn(%s)" ''' % (repr(shlex.split(command)),),749    if (asyncStatus, asyncOut, asyncError) != (None, None, None):750        # prepare for decoupled asynchronous execution751        if asyncStatus == None: asyncStatus = "/dev/null"752        if asyncOut == None: asyncOut = "/dev/null"753        if asyncError == None: asyncError = "/dev/null"754        try:755            stdinFile = file("/dev/null", "r")756            stdoutFile = file(asyncOut, "a+")757            stderrFile = file(asyncError, "a+", 0)758            statusFile = file(asyncStatus, "a+")759        except IOError, e:760            return False, (None, None, e)761        try:762            if os.fork() > 0:763                # parent returns after successful fork, there no764                # direct visibility to async child process beyond this765                # point.766                stdinFile.close()767                stdoutFile.close()768                stderrFile.close()769                statusFile.close()770                return True, (0, None, None) # async parent finishes here771        except OSError, e:772            return False, (None, None, e)773        os.setsid()774    else:775        stdinFile = subprocess.PIPE776        stdoutFile = subprocess.PIPE777        stderrFile = subprocess.PIPE778    try:779        p = subprocess.Popen(command, shell=True,780                             stdin=stdinFile,781                             stdout=stdoutFile,782                             stderr=stderrFile,783                             close_fds=True)784    except Exception, e:785        return False, (None, None, e)786    if asyncStatus == None and asyncOut == None and asyncError == None:787        # synchronous execution, read stdout and stderr788        out, err = p.communicate()789    else:790        # asynchronous execution, store status to file791        statusFile.write(str(p.wait()) + "\n")792        statusFile.close()793        out, err = None, None794        sys.exit(0) # async child finishes here795    return True, (p.returncode, out, err)796def waitOutput(nonblockingFd, acceptedOutputs, timeout, pollInterval=0.1):797    start = time.time()798    endTime = start + timeout799    s = ""800    try: s += nonblockingFd.read()801    except IOError: pass802    foundOutputs = [ao for ao in acceptedOutputs if ao in s]803    while len(foundOutputs) == 0 and time.time() < endTime:804        time.sleep(pollInterval)805        try: s += nonblockingFd.read()806        except IOError: pass807        foundOutputs = [ao for ao in acceptedOutputs if ao in s]808    return foundOutputs, s809_subAgents = {}810def openSubAgent(username, password):811    p = subprocess.Popen('''python -c 'import pty; pty.spawn(["su", "-c", "python /tmp/fmbttizen-agent.py --sub-agent", "-", "%s"])' ''' % (username,),812            shell=True,813            stdin=subprocess.PIPE,814            stdout=subprocess.PIPE,815            stderr=subprocess.PIPE)816    # Read in non-blocking mode to ensure agent starts correctly817    fl = fcntl.fcntl(p.stdout.fileno(), fcntl.F_GETFL)818    fcntl.fcntl(p.stdout.fileno(), fcntl.F_SETFL, fl | os.O_NONBLOCK)819    output2 = ""820    seenPrompts, output1 = waitOutput(p.stdout, ["Password:", "FMBTAGENT"], 5.0)821    if "Password:" in seenPrompts:822        p.stdin.write(password + "\r")823        output1 = ""824        seenPrompts, output2 = waitOutput(p.stdout, ["FMBTAGENT"], 5.0)825    if not "FMBTAGENT" in seenPrompts:826        p.terminate()827        return (None, 'fMBT agent with username "%s" does not answer.' % (username,),828                output1 + output2)829    # Agent is alive, continue in blocking mode830    fcntl.fcntl(p.stdout.fileno(), fcntl.F_SETFL, fl)831    return p, "", ""832def subAgentCommand(username, password, cmd):833    if not username in _subAgents:834        process, output, error = openSubAgent(username, password)835        if process == None:836            return None, (-1, output, error)837        else:838            _subAgents[username] = process839    p = _subAgents[username]840    p.stdin.write(cmd + "\r")841    p.stdin.flush()842    answer = p.stdout.readline().rstrip()843    if answer.startswith("FMBTAGENT OK "):844        return True, _decode(answer[len("FMBTAGENT OK "):])845    else:846        return False, _decode(answer[len("FMBTAGENT ERROR "):])847def closeSubAgents():848    for username in _subAgents:849        subAgentCommand(username, None, "quit")850if __name__ == "__main__":851    try:852        origTermAttrs = termios.tcgetattr(sys.stdin.fileno())853        hasTerminal = True854    except termios.error:855        origTermAttrs = None856        hasTerminal = False857    if hasTerminal and not "--keep-echo" in sys.argv and not "--debug" in sys.argv:858        # Disable terminal echo859        newTermAttrs = origTermAttrs860        newTermAttrs[3] = origTermAttrs[3] &  ~termios.ECHO861        termios.tcsetattr(sys.stdin.fileno(), termios.TCSANOW, newTermAttrs)862    if "--no-x" in sys.argv:863        debug("X disabled")864        g_Xavailable = False865    platformInfo = {}866    platformInfo["input devices"] = fmbtuinput._g_deviceNames.keys()867    # Send version number, enter main loop868    write_response(True, platformInfo)869    cmd = read_cmd()870    while cmd:871        if cmd.startswith("bl "): # set display backlight time872            if iAmRoot:873                timeout = int(cmd[3:].strip())874                try:875                    file("/opt/var/kdb/db/setting/lcd_backlight_normal","wb").write(struct.pack("ii",0x29,timeout))876                    write_response(True, None)877                except Exception, e: write_response(False, e)878            else:879                write_response(*subAgentCommand("root", "tizen", cmd))880        elif cmd.startswith("er "): # event recorder881            if iAmRoot:882                cmd, arg = cmd.split(" ", 1)883                if arg.startswith("start "):884                    filterOpts = _decode(arg.split()[1])885                    if touch_device:886                        filterOpts["touchScreen"] = touch_device887                    fmbtuinput.startQueueingEvents(filterOpts)888                    write_response(True, None)889                elif arg == "stop":890                    events = fmbtuinput.stopQueueingEvents()891                    write_response(True, None)892                elif arg == "fetch":893                    events = fmbtuinput.fetchQueuedEvents()894                    write_response(True, events)895            else:896                write_response(*subAgentCommand("root", "tizen", cmd))897        elif cmd.startswith("gd"):   # get display status898            try:899                p = subprocess.Popen(['/usr/bin/xset', 'q'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)900                out, err = p.communicate()901                if "Monitor is Off" in out: write_response(True, "Off")902                elif "Monitor is On" in out: write_response(True, "On")903                else: write_response(False, err)904            except Exception, e: write_response(False, e)905        elif cmd.startswith("tm "):   # touch move(x, y)906            xs, ys = cmd[3:].strip().split()907            if g_Xavailable:908                libXtst.XTestFakeMotionEvent(display, current_screen, int(xs), int(ys), X_CurrentTime)909                libX11.XFlush(display)910            else:911                if iAmRoot: rv, msg = sendHwMove(int(xs), int(ys))912                else: rv, msg = subAgentCommand("root", "tizen", cmd)913            write_response(True, None)914        elif cmd.startswith("tr "):   # relative move(x, y)915            xd, yd = cmd[3:].strip().split()916            if iAmRoot: rv, msg = sendRelMove(int(xd), int(yd))917            else: rv, msg = subAgentCommand("root", "tizen", cmd)918            write_response(True, None)919        elif cmd.startswith("tt "): # touch tap(x, y, button)920            x, y, button = [int(i) for i in cmd[3:].strip().split()]921            if g_Xavailable:922                libXtst.XTestFakeMotionEvent(display, current_screen, x, y, X_CurrentTime)923                libXtst.XTestFakeButtonEvent(display, button, X_True, X_CurrentTime)924                libXtst.XTestFakeButtonEvent(display, button, X_False, X_CurrentTime)925                libX11.XFlush(display)926                rv, msg = True, None927            else:928                if iAmRoot: rv, msg = sendHwTap(x, y, button-1)929                else: rv, msg = subAgentCommand("root", "tizen", cmd)930            write_response(rv, msg)931        elif cmd.startswith("td "): # touch down(x, y, button)932            xs, ys, button = cmd[3:].strip().split()933            button = int(button)934            if g_Xavailable:935                libXtst.XTestFakeMotionEvent(display, current_screen, int(xs), int(ys), X_CurrentTime)936                libXtst.XTestFakeButtonEvent(display, button, X_True, X_CurrentTime)937                libX11.XFlush(display)938            else:939                if iAmRoot: rv, msg = sendHwFingerDown(int(xs), int(ys), button-1)940                else: rv, msg = subAgentCommand("root", "tizen", cmd)941            write_response(True, None)942        elif cmd.startswith("tu "): # touch up(x, y, button)943            xs, ys, button = cmd[3:].strip().split()944            button = int(button)945            if g_Xavailable:946                libXtst.XTestFakeMotionEvent(display, current_screen, int(xs), int(ys), X_CurrentTime)947                libXtst.XTestFakeButtonEvent(display, button, X_False, X_CurrentTime)948                libX11.XFlush(display)949            else:950                if iAmRoot: rv, msg = sendHwFingerUp(int(xs), int(ys), button-1)951                else: rv, msg = subAgentCommand("root", "tizen", cmd)952            write_response(True, None)953        elif cmd.startswith("kd "): # hw key down954            if iAmRoot: rv, msg = sendHwKey(cmd[3:], 0, -1)955            else: rv, msg = subAgentCommand("root", "tizen", cmd)956            write_response(rv, msg)957        elif cmd.startswith("kn"): # list input key names958            if "hwKeyDevice" in globals():959                hk = hwKeyDevice.keys()960            else:961                hk = []962            if "keyboard_device" in globals():963                ik = InputKeys964            else:965                ik = []966            write_response(True, sorted(ik + hk))967        elif cmd.startswith("kp "): # hw key press968            if iAmRoot: rv, msg = sendHwKey(cmd[3:], 0, 0)969            else: rv, msg = subAgentCommand("root", "tizen", cmd)970            write_response(rv, msg)971        elif cmd.startswith("ku "): # hw key up972            if iAmRoot: rv, msg = sendHwKey(cmd[3:], -1, 0)973            else: rv, msg = subAgentCommand("root", "tizen", cmd)974            write_response(rv, msg)975        elif cmd.startswith("kt "): # send x events976            if g_Xavailable:977                rv, skippedSymbols = typeSequence(_decode(cmd[3:]))978                libX11.XFlush(display)979            elif iAmRoot:980                rv, skippedSymbols = typeSequence(_decode(cmd[3:]),981                                                  delayBetweenChars=0.05)982            else:983                rv, skippedSymbols = subAgentCommand("root", "tizen", cmd)984            write_response(rv, skippedSymbols)985        elif cmd.startswith("ml "): # send multitouch linear gesture986            if iAmRoot:987                rv, _ = mtLinearGesture(*_decode(cmd[3:]))988            else:989                rv, _ = subAgentCommand("root", "tizen", cmd)990            write_response(rv, _)991        elif cmd.startswith("ss"): # save screenshot992            if "R" in cmd.split() and g_Xavailable:993                resetXConnection()994            if "weston-root" in cmd.split(): # do Weston root part only995                write_response(*westonTakeScreenshotRoot())996            else:997                rv, compressedImage = takeScreenshot()998                write_response(rv, compressedImage)999        elif cmd.startswith("sd "): # set screen dimensions (width and height)1000            _sw, _sh = cmd[3:].split()1001            screenWidth, screenHeight = int(_sw), int(_sh)1002            if iAmRoot:1003                if touch_device:1004                    touch_device.setScreenSize((screenWidth, screenHeight))1005                    rv, msg = True, None1006                else:1007                    rv, msg = True, "no touch device"1008            else:1009                rv, msg = subAgentCommand("root", "tizen", cmd)...
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