Python Detector.start方法代码示例

# 需要导入模块: from Detector import Detector [as 别名]
# 或者: from Detector.Detector import start [as 别名]
 def get(self):
     link_open = urllib2.build_opener( urllib2.HTTPCookieProcessor() )
     urllib2.install_opener( link_open )
     
     login_params = "data={\"username\":\"Spring\", \"password\":\"[email protected]\", \"mechanism\":\"plain\"}"
     login_result = link_open.open( config.base_url + config.login_url, login_params )
     login_data = login_result.read()
     logging.info("Receive data " + login_data)
     print login_data
     login_json = json.loads(login_data)
     login_result.close()
     self.response.headers['Content-Type'] = 'text/plain'
     #save sessionid for this connection
     sessionid = login_json["sessionid"]
     
     fetchor = Detector( 5, sessionid, login_json['deviceid'] )
     fetchor.start()
     fetchor.run()
     fetchor.join()

# 需要导入模块: from Detector import Detector [as 别名]
# 或者: from Detector.Detector import start [as 别名]
    login_json = json.loads(login_data)
    login_result.close()

    #save sessionid for this connection
    sessionid = login_json["sessionid"]
    print sessionid

    '''
    # get devices
    device_params = "data={\"sessionid\":\"" + login_json["sessionid"] + "\"}"
    device_result = link_open.open( base_url + device_url, device_params );
    device_data = device_result.read()
    device_result.close()
    device_json = json.loads(device_data)
    '''

    # save deviceids
    boundbox = (100, 100, 150, 150)
    fetchor = Detector( 5, sessionid, content['deviceid'], boundbox )
    fetchor.start()
    fetchor.join()
    #fetchor.run()
    #threadone = myTimer(1,1)
    #threadtow = myTimer(2,3)
    #threadone.start()
    #threadtow.start()

    print 'OK'
finally:
    print 'Finished'

# 需要导入模块: from Detector import Detector [as 别名]
# 或者: from Detector.Detector import start [as 别名]
def DetectorThunk(conn,dir='C:/PAPA Control/',datacount=1000):
    """An infinite loop for controlling the detector

    Keyword arguments:
    conn -- a connection stream for communicating with the main process
    dir -- the directory in which to save data
    datacount -- the number of data points to attempts to read at a time

    The function loops through, either sleeping or recording data.  It polls
    its communication stream and expects a two element tuple.  The first
    element is an event code and the second is a tuple with the arguments for
    the event.

    """
    det = Detector() #detector object
    running = False
    paused = False
    runnumber = -1
    stream = None
    count = 0
    while True:
        if (not running) and (not conn.poll()):
            sleep(0.01)
            continue
        if conn.poll():
            cmd,args=conn.recv()
            if cmd==QUIT:
                break
            elif cmd==START:
                if runnumber<=0:
                    logging.error("Error: Invalid Run #")
                    continue
                if not running:
                    stream = open(dir+("%04d"%runnumber)+'.pel','wb')
                    stream.write(det.makeHeader())
                    det.start()
                    running = True
                    count=0
            elif cmd==STOP:
                if running:
                    det.stop()
                    det.clear()
                    running = False
                    stream.close()
                    stream=None
                    continue
            elif cmd==PAUSE:
                logging.info("Pausing Detector")
                det.stop()#Do NOT clear
                running = False
                paused = True
            elif cmd==RESUME:
                if paused:
                    logging.info("Resuming")
                    det.start()
                    running = True
                else:
                    logging.warning("Cannot resume: detector not paused")
            elif cmd==RUNNUMBER:
                runnumber = args[0]
                conn.send("Run # set to %d"%runnumber)
            elif cmd==DIRECTORY:
                dir = args[0]
            elif cmd == N_COUNT:
                conn.send(count/2)#Correction Needed for 64 Bit Mode
            elif cmd==PARAM:
                opt,val=args
                det.setParam(opt,val)
            elif cmd == QUERY:
                conn.send(det.status[args[0]])
                #print det.status[args[0]]

            else:
                logging.warning("Did not recognize command %d"%cmd)
        if running:
            if stream is None: continue
            try:
                #Get the number of data points and the data
                #note that num is the number of 32 bit data
                #points given by the detector, which may or
                #may not be the actual  number of neutrons,
                #depending on  if the  detector is in 32 or
                #64 bit mode
                (num,data)=det.read(datacount)
            except RuntimeError,(err):
                logging.error(err)
                break
            count += num
            #Pull only the actual data from the buffer
            if num < datacount:
                data=data[:num]
            stream.write(data.tostring())
            if num < datacount:
                stream.flush()
                sleep(0.01)