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How to use agentEval method in fMBT

Best Python code snippet using fMBT_python

fmbtchromiumos.py

Source:fmbtchromiumos.py

...109             ("mkdir -p %s; tar x -C %s" % (destDir, destDir),),110             package.read())111    def agentExec(self, pythonCode):112        self._agent.exec_in(self._agent_ns, pythonCode)113    def agentEval(self, pythonExpression):114        return self._agent.eval_in(self._agent_ns, pythonExpression)115    def open(self):116        myDir = os.path.dirname(os.path.abspath(117            inspect.getfile(inspect.currentframe())))118        self.sendFilesInTar(myDir,119                            ("fmbtx11_conn.py",120                             "fmbtpng.py",121                             "fmbtuinput.py"),122                            "/tmp/fmbtchromiumos")123        if os.access(os.path.join(myDir, "pythonshare", "__init__.py"), os.R_OK):124            pythonshareDir = myDir125        elif os.access(os.path.join(myDir, "..", "pythonshare", "pythonshare",126                                    "__init__.py"), os.R_OK):127            pythonshareDir = os.path.join(myDir, "..", "pythonshare")128        self.sendFilesInTar(pythonshareDir,129                            ("pythonshare/__init__.py",130                             "pythonshare/server.py",131                             "pythonshare/client.py",132                             "pythonshare/messages.py"),133                            "/tmp/fmbtchromiumos")134        if os.name != "nt":135            pythonshareServer = distutils.spawn.find_executable("pythonshare-server")136        else:137            pythonshareServer = os.path.join(138                os.path.dirname(__file__), "..", "Scripts", "pythonshare-server")139        if not pythonshareServer or not os.access(pythonshareServer, os.R_OK):140            raise FMBTChromiumOsError("cannot find pythonshare-server executable")141        self.sendFilesInTar(os.path.dirname(pythonshareServer),142                            ("pythonshare-server",),143                            "/tmp/fmbtchromiumos")144        agentCmd = (self._loginCommand +145                    " sudo DISPLAY=:0 XAUTHORITY=/home/chronos/.Xauthority" +146                    " LD_LIBRARY_PATH=/usr/local/lib:/usr/local/lib64:/usr/lib:/usr/lib64" +147                    " python /tmp/fmbtchromiumos/pythonshare-server -p stdin")148        self._agent = pythonshare.connection("shell://" + agentCmd)149        self._agent_ns = "fmbtchromiumos-agent"150        try:151            self.agentExec("import fmbtx11_conn")152        except pythonshare.PythonShareError, e:153            raise FMBTChromiumOsError(154                "Cannot connect to pythonshare-server on device (%s): %s" %155                (e, agentCmd))156        self.agentExec("x = fmbtx11_conn.Display()")157    def recvScreenshot(self, filename):158        img = self.agentEval("x.recvScreenshot()")159        if img.startswith("FMBTRAWX11"):160            try:161                header, zdata = img.split('\n', 1)162                width, height, depth, bpp = [int(n) for n in header.split()[1:]]163                data = zlib.decompress(zdata)164            except Exception, e:165                raise FMBTChromiumOsError("Corrupted screenshot data: %s" % (e,))166            if len(data) != width * height * 4:167                raise FMBTChromiumOsError("Image data size mismatch.")168            fmbtgti.eye4graphics.bgrx2rgb(data, width, height)169            # TODO: use libimagemagick directly to save data to png?170            ppm_header = "P6\n%d %d\n%d\n" % (width, height, 255)171            f = file(filename + ".ppm", "wb").write(ppm_header + data[:width*height*3])172            _run([fmbt_config.imagemagick_convert, filename + ".ppm", filename])173            os.remove("%s.ppm" % (filename,))174        else:175            file(filename, "wb").write(img)176        return True177    def sendType(self, text):178        return self.agentEval('x.sendType(%s)' % (repr(text),))179    def sendPress(self, keyCode, modifiers=None):180        if modifiers != None:181            raise NotImplementedError182        return self.agentEval("x.sendPress(%s)" % (repr(keyCode),))183    def sendKeyDown(self, keyCode, modifiers=None):184        if modifiers != None:185            raise NotImplementedError186        return self.agentEval("x.sendKeyDown(%s)" % (repr(keyCode),))187    def sendKeyUp(self, keyCode, modifiers=None):188        if modifiers != None:189            raise NotImplementedError190        return self.agentEval("x.sendKeyUp(%s)" % (repr(keyCode),))191    def sendTap(self, x, y, button=None):192        if button == None:193            # TODO: synthesize touch display event, if available194            command = "x.sendTap(%s, %s)" % (x, y)195        else:196            command = "x.sendTap(%s, %s, %s)" % (x, y, button)197        return self.agentEval(command)198    def sendTouchDown(self, x, y, button=None):199        if button == None:200            # TODO: synthesize touch display event, if available201            command = "x.sendTouchDown(%s, %s)" % (x, y)202        else:203            command = "x.sendTouchDown(%s, %s, %s)" % (x, y, button)204        return self.agentEval(command)205    def sendTouchMove(self, x, y, button=None):206        if button == None:207            # TODO: synthesize touch display event, if available208            command = "x.sendTouchMove(%s, %s)" % (x, y)209        else:210            command = "x.sendTouchMove(%s, %s)" % (x, y)211        return self.agentEval(command)212    def sendTouchUp(self, x, y, button=None):213        if button == None:214            # TODO: synthesize touch display event, if available215            command = "x.sendTouchUp(%s, %s)" % (x, y)216        else:217            command = "x.sendMouseUp(%s, %s, %s)" % (x, y, button)218        return self.agentEval(command)219    def shellSOE(self, shellCommand, username, asyncStatus, asyncOut, asyncError, usePty):220        _, (s, o, e) = self.agentEval(221            "fmbtx11_conn.shellSOE(%s, %s, %s, %s, %s, %s)" % (222                repr(shellCommand), repr(username), repr(asyncStatus),223                repr(asyncOut), repr(asyncError), repr(usePty)))224        return s, o, e...

plotter.py

Source:plotter.py

1from mpl_toolkits.mplot3d import Axes3D2import matplotlib.pyplot as plt3from matplotlib import cm4from matplotlib.ticker import LinearLocator, FormatStrFormatter5import numpy as np67from pso import Swarm8from functions import *910class Plotter(object):1112	# def __init__(self, arg):13		14	def plotPso(agentPozByEpoch,agentEvalsByEpoch,particleRange):15		# preconditions16		assert (isinstance(particleRange,tuple))17		# variables18		(minRange,maxRange) = particleRange19		# instantiate figure20		fig = plt.figure()21		ax = fig.gca(projection = '3d')22		plt.ion()23		# compute the plot surface (evaluation of func over the whole domain)24		Xgrid = np.arange(minRange,maxRange,0.01)25		Ygrid = np.arange(minRange,maxRange,0.01)26		Xgrid, Ygrid = np.meshgrid(Xgrid,Ygrid)27		Zvalue = applyToMeshgrid(Rossenbrock,Xgrid,Ygrid)28		# Plot the surface.29		surf = ax.plot_surface(Xgrid,Ygrid,Zvalue,cmap=cm.coolwarm,linewidth=0, antialiased=False)30		# Add a color bar which maps values to colors.31		fig.colorbar(surf, shrink=0.5, aspect=5)32		# for all the epochs, scatter plot particles positions and their evaluation33		for epoch in range(0,len(agentPozByEpoch)):34			agentPozX = [ agentPozByEpoch[epoch][nrAgent][0] for nrAgent in range(0,len(agentPozByEpoch[epoch])) ]35			agentPozY = [ agentPozByEpoch[epoch][nrAgent][1] for nrAgent in range(0,len(agentPozByEpoch[epoch])) ]36			# Scatter plot the particles37			agentEval = agentEvalsByEpoch[epoch]38			ax.scatter(agentPozX,agentPozY,agentEval, marker = '+')39		# return the figure with the plot40			plt.show()41			plt.pause(2)4243		return fig 4445	def plotParticles(agentPozByEpoch,agentEvalsByEpoch,particleRange):46		# preconditions47		assert (isinstance(particleRange,tuple))48		# variables49		(minRange,maxRange) = particleRange50		# instantiate figure51		fig = plt.figure()52		ax = fig.gca(projection = '3d')53		# for all the epochs, scatter plot particles positions and their evaluation54		for epoch in range(0,len(agentPozByEpoch)):55			agentPozX = [ agentPozByEpoch[epoch][nrAgent][0] for nrAgent in range(0,len(agentPozByEpoch[epoch])) ]56			agentPozY = [ agentPozByEpoch[epoch][nrAgent][1] for nrAgent in range(0,len(agentPozByEpoch[epoch])) ]57			ax.scatter(agentPozX,agentPozY,epoch, marker = '*')5859		plt.show()60		plt.pause(100)61	6263646566swarm = Swarm(20)67gb, Xs, Ys = swarm.pso((-3,3),Rossenbrock)68fig = Plotter.plotPso(Xs,Ys,(-3,3))69# Plotter.plotParticles(Xs,Ys,(-3,3))
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