Removed unnecessary imports

src/receiverLiveViewer/FileReceiver.py

 __author__ = 'Manuela Kuhn <manuela.kuhn@desy.de>', 'Marco Strutz <marco.strutz@desy.de>'
 
 
-import time
 import zmq
 import sys
-import json
 import logging
 import errno
 import os
-import traceback
-import socket       # needed to get hostname
 
 BASE_PATH   = os.path.dirname ( os.path.dirname ( os.path.dirname ( os.path.realpath ( __file__ ) ) ) )
-print "BASE_PATH", BASE_PATH
 API_PATH    = BASE_PATH + os.sep + "APIs"
-print "API_PATH", API_PATH
 
 if not API_PATH in sys.path:
     sys.path.append ( API_PATH )
@@ -43,9 +37,6 @@ class FileReceiver:
     lvCommunicatorSocket  = None         # socket to communicate with LiveViewCommunicator class
     signalSocket          = None         # socket to communicate with sender
 
-    hostname              = socket.gethostname()
-#    print socket.gethostbyname(socket.gethostname())
-
 
     def __init__(self, outputDir,
                  signalIp, dataStreamPort,
@@ -114,7 +105,6 @@ class FileReceiver:
                 break
             except:
                 self.log.error("receive message...failed.")
-                self.log.error(sys.exc_info())
                 continueReceiving = False
                 break
 
@@ -260,12 +250,10 @@ class FileReceiver:
                 self.log.error("Sending exit signal to LiveViewCommunicator...failed")
                 self.log.debug("Error was: " + str(e))
 
-            # give signal time to arrive
-            time.sleep(0.2)
-
             try:
                 self.log.debug("Closing communication socket...")
-                self.lvCommunicatorSocket.close(0)
+                # give signal time to arrive
+                self.lvCommunicatorSocket.close(0.2)
                 self.lvCommunicatorSocket = None
                 self.log.debug("Closing communication socket...done")
             except Exception as e:
@@ -285,7 +273,6 @@ class FileReceiver:
             except:
                 self.log.error("Destroying ZMQ context...failed.")
                 self.log.debug("Error was: " + str(e))
-                self.log.debug(sys.exc_info())
 
 
     def __exit__(self):

src/shared/LiveViewCommunicator.py

@@ -6,14 +6,8 @@ import sys
 import zmq
 import logging
 import traceback
-from RingBuffer import RingBuffer
-
-SHARED_PATH = os.path.dirname ( os.path.dirname ( os.path.realpath ( __file__ ) ) ) + os.sep + "shared"
-
-if not SHARED_PATH in sys.path:
-    sys.path.append ( SHARED_PATH )
-del SHARED_PATH
 
+from RingBuffer import RingBuffer
 import helperScript
 #
 #  --------------------------  class: LiveViewCommunicator  --------------------------------------

src/shared/RingBuffer.py

 __author__ = 'Manuela Kuhn <manuela.kuhn@desy.de>'
 
 
-import time
 import logging
 import os
 from stat import S_ISREG, ST_MTIME, ST_MODE
@@ -179,6 +178,7 @@ class RingBuffer:
 
 if __name__ == "__main__":
     import sys
+    import time
 
     BASE_PATH = os.path.dirname ( os.path.dirname ( os.path.dirname (  os.path.realpath ( __file__ ) )))
     SRC_PATH  = BASE_PATH + os.sep + "src"