def GET(self, *args, **kwargs): if len(args) < 1: raise cherrypy.HTTPError(403, 'Directory Listing Denied') key = args[0] sensorHist = self._dao.getSensorHistory(key) if len(sensorHist) > 0: mp = MapProcessor() s = StateResolver() sensors = s.resolveStates(sensorHist) img = mp.buildMap(sensors) data = io.BytesIO(img) cherrypy.response.headers['Content-Type'] = mimetypes.guess_type('img.svg')[0] return file_generator(data)
class MapImage(object): exposed = True def __init__(self): #TODO: Handle multiple robots self._dao = DataAccess() self._sr = StateResolver() activeLocation = Locations().getActiveExperimentLocation() if activeLocation == None: return cherrypy.HTTPError(500, "Unable to determine active location") robot = Robots().getRobot(activeLocation['activeRobot']) self._robotName = robot['robotName'] self._emptyMap = locations_config[activeLocation['location']]['map'] def GET(self, *args, **kwargs): #if len(args) < 1: #raise cherrypy.HTTPError(403, 'Directory Listing Denied') mp = MapProcessor(self._emptyMap) sensors = self._sr.resolveStates(self._dao.findSensors()) #sensors = self._sr.appendSensorMetadata(sensors, self._emptyMap) #adds location and type cob = self._dao.getRobotByName(self._robotName) robot = { 'icon':self._dao.sensors.getSensorIconByName('robot')['id'], 'name':cob['robotName'], 'xCoord': cob['xCoord'], 'yCoord': cob['yCoord'], 'orientation': '%sd' % cob['orientation'], 'id':'r%s' % (cob['robotId']) } elements = [] elements.extend(sensors) #important to put robot last as z-order is determined by render order in svg and we want the robot icon #to always be on top elements.append(robot) img = mp.buildMap(elements) data = io.BytesIO(img) cherrypy.response.headers['Content-Type'] = mimetypes.guess_type('img.svg')[0] cherrypy.response.headers['Cache-Control'] = "max-age=0, no-cache, must-revalidate" cherrypy.response.headers['Pragma'] = "no-cache" # In the past to prevent browser caching cherrypy.response.headers['Expires'] = (datetime.datetime.utcnow() - datetime.timedelta(hours=1)).strftime('%a, %d %b %Y %H:%M:%S GMT') return file_generator(data)