ask IP at the beginning of the program

IsegHVController.py

@@ -12,6 +12,8 @@ host = socket.gethostname()
 port = 4305
 s.bind((host,port))
 
+IP = input('Mpod IP address to connect : ')
+
 #===================== GUI
 import PySimpleGUI as sg
 
@@ -19,12 +21,17 @@ import PySimpleGUI as sg
 
 header = ["name", "HV [V]", "Current [mA]"]
 
-chList = iseg.GetChList()
+mpod = iseg.Mpod(IP)
-hvList = iseg.GetAllHV()    # get all V
+
-iList = iseg.GetAllCurrent() # get all current
+if mpod.isConnected == False:
-outVList = iseg.GetAllOutputHV()
+  exit()
-outIList = iseg.GetAllLC() 
+
-onOffList = iseg.GetAllOnOff()
+chList = mpod.GetChList()
+hvList = mpod.GetAllHV()    # get all V
+iList = mpod.GetAllCurrent() # get all current
+outVList = mpod.GetAllOutputHV()
+outIList = mpod.GetAllLC() 
+onOffList = mpod.GetAllOnOff()
 
 modChList = iseg.SplitChList(chList)
 
@@ -39,7 +46,6 @@ for k in range(0, nMod):
   layoutTab.append([])
 
 for k in range(0, nMod):
-  
   baseI = 0
   for kk in range(0, k):
     baseI += len(modChList[kk])
@@ -56,9 +62,7 @@ for k in range(0, nMod):
                       ])
   
   for j in range(0, len(modChList[k])) :
-    
     i = baseI + j
-    
     layoutTab[k].append(
                   [
                     sg.Input(default_text='', size = 8, justification = "left", key=("n%d" % chList[i])),
@@ -77,6 +81,10 @@ for k in range(0, nMod):
   layoutTabGroup[0].append(sg.Tab("Mod-%0d" % k, layoutTab[k]))
 
 layout = [
+          [
+            sg.Text("IP :", size = 27, justification = "right"),
+            sg.Input(IP, size = 16, justification = "right", readonly = True),
+          ],
           [
             sg.Text("refresh period [sec] :", size = 27, justification = "right"),
             sg.Input(updateTime, size = 8, justification = "right", enable_events=True,  key=("-Refresh-")) 
@@ -123,7 +131,7 @@ while True:
   
   if event[0:1] == 'c' :
     ID = event[1:]
-    iseg.SwitchOnHV(int(ID), int(window[event].get()))
+    mpod.SwitchOnHV(int(ID), int(window[event].get()))
   
   if event == '-Save-' :
     fileName = values["Save As"]
@@ -144,8 +152,8 @@ while True:
       window[("n%d" % chList[i])].update(row[0])
       window[("v%d" % chList[i])].update(row[2]) 
       window[("i%d" % chList[i])].update(row[3])
-      iseg.SetHV(chList[i], float(row[2]))
+      mpod.SetHV(chList[i], float(row[2]))
-      iseg.SetCurrent(chList[i], float(row[3])/1000)
+      mpod.SetCurrent(chList[i], float(row[3])/1000)
       i += 1
   
   if event in ["-VRateCombo-", "-VRateCh-", "-VRate-"]:
@@ -153,33 +161,33 @@ while True:
     ch = window["-VRateCh-"].get()
     val = window["-VRate-"].get()
     if item == comboList[0]:
-      window["-VRate-"].update("%.3f" % float(iseg.GetHVRiseRate(int(ch))))
+      window["-VRate-"].update("%.3f" % float(mpod.GetHVRiseRate(int(ch))))
     if item == comboList[1]:
-      window["-VRate-"].update("%.3f" % float(iseg.GetHVFallRate(int(ch))))
+      window["-VRate-"].update("%.3f" % float(mpod.GetHVFallRate(int(ch))))
     if item == comboList[2]:
-      iseg.SetHVRiseRate(ch, val)
+      mpod.SetHVRiseRate(ch, val)
-      window["-VRate-"].update("%.3f" % float(iseg.GetHVRiseRate(int(ch))))
+      window["-VRate-"].update("%.3f" % float(mpod.GetHVRiseRate(int(ch))))
     if item == comboList[3]:
-      iseg.SetHVFallRate(ch, val)
+      mpod.SetHVFallRate(ch, val)
-      window["-VRate-"].update("%.3f" % float(iseg.GetHVFallRate(int(ch))))      
+      window["-VRate-"].update("%.3f" % float(mpod.GetHVFallRate(int(ch))))      
   
   haha = event.find('_Enter')
   if haha > 0 :
     ID = event[:haha]
     ch = int(ID[1:])    
     if event[0:1] == 'v' :
-      iseg.SetHV(ch, float(window[ID].get()))
+      mpod.SetHV(ch, float(window[ID].get()))
-      window[ID].update("%.3f" % iseg.GetHV(ch))
+      window[ID].update("%.3f" % mpod.GetHV(ch))
     if event[0:1] == 'i' :
-      iseg.SetCurrent(ch, float(window[ID].get())/1000.)
+      mpod.SetCurrent(ch, float(window[ID].get())/1000.)
-      window[ID].update("%.3f" % (iseg.GetCurrent(ch)*1000))
+      window[ID].update("%.3f" % (mpod.GetCurrent(ch)*1000))
   
 
   if event == "_TIMEOUT_" :
     #hvList = GetAllHV()    # get all V
     #iList = GetAllCurrent() # get all current
-    outVList = iseg.GetAllOutputHV()
+    outVList = mpod.GetAllOutputHV()
-    outIList = iseg.GetAllLC() 
+    outIList = mpod.GetAllLC() 
     
     tempFile = open("temp.dat", "w")
     

IsegLibrary.py

@@ -3,60 +3,81 @@
 import os
 import subprocess
 
-#cmd0Str = "-v2c -m +WIENER-CRATE-MIB -c guru 128.186.111.101 "
+class Mpod:
-cmd0Str = "-v2c -Op .12 -m +WIENER-CRATE-MIB -c guru 128.186.111.101 "
+  def __init__(self, ip):
+    self.IP = ip
+    #cmd0Str = "-v2c -m +WIENER-CRATE-MIB -c guru 128.186.111.101 "
+    self.cmd0Str = "-v2c -Op .12 -m +WIENER-CRATE-MIB -c guru %s " % self.IP
+    self.isConnected = False
+    print( "testing communication via " + self.IP)
+    cmdStr = "snmpwalk " + self.cmd0Str
+    try :
+      result = str(subprocess.check_output(cmdStr, shell=True))
+      print( result )
+      self.isConnected = True
+    except :
+      print("cannot establish communitation via " + self.IP)
     
-def SendCmd(option,cmd):
+  def SendCmd(self, option,cmd):
+    if (self.isConnected == False ) : return 0
     if option == 0 :
-    cmdStr = "snmpget " + cmd0Str + cmd
+      cmdStr = "snmpget " + self.cmd0Str + cmd
     elif option == 1:
-    cmdStr = "snmpset " + cmd0Str + cmd
+      cmdStr = "snmpset " + self.cmd0Str + cmd
     elif option == 2:
-    cmdStr = "snmpwalk " + cmd0Str + cmd
+      cmdStr = "snmpwalk " + self.cmd0Str + cmd
     else :
       cmdStr = "echo option: 0 - get, 1 - set, 2 - walk"
     #print(cmdStr)
     result = str(subprocess.check_output(cmdStr, shell=True))
     return result.lstrip('b\'').rstrip('\'').rstrip('\n')
 
-#======== Get settings
+  #======== Get settings
-def GetHV(ch):
+  def GetHV(self, ch):
-  haha = SendCmd(0, "outputVoltage.u" + str(ch))
+    if (self.isConnected == False ) : return 0
+    haha = self.SendCmd(0, "outputVoltage.u" + str(ch))
     aa = haha.find('Float:')
     return float(haha[aa+6:-3].strip())
 
-def GetCurrent(ch):
+  def GetCurrent(self, ch):
-  haha = SendCmd(0, "outputCurrent.u" + str(ch))
+    if (self.isConnected == False ) : return 0
+    haha = self.SendCmd(0, "outputCurrent.u" + str(ch))
     aa = haha.find('Float:')
     return float(haha[aa+6:-3].strip())
 
-def GetOutputHV(ch):
+  def GetOutputHV(self,ch):
-  haha = SendCmd(0, "outputMeasurementSenseVoltage.u" + str(ch))
+    if (self.isConnected == False ) : return 0
+    haha = self.SendCmd(0, "outputMeasurementSenseVoltage.u" + str(ch))
     aa = haha.find('Float:')
     return float(haha[aa+6:-3].strip())
 
-def GetLI(ch):
+  def GetLI(self, ch):
-  haha = SendCmd(0, "outputMeasurementCurrent.u" + str(ch))
+    if (self.isConnected == False ) : return 0
+    haha = self.SendCmd(0, "outputMeasurementCurrent.u" + str(ch))
     aa = haha.find('Float:')
     return float(haha[aa+6:-3].strip())
 
-def IsHVOn(ch):
+  def IsHVOn(self, ch):
-  return SendCmd(0, "outputSwitch.u"+str(ch))
+    if (self.isConnected == False ) : return 0
+    return self.SendCmd(0, "outputSwitch.u"+str(ch))
 
-def GetHVRiseRate(ch):
+  def GetHVRiseRate(self, ch):
-  haha = SendCmd(0, "outputVoltageRiseRate.u" + str(ch))
+    if (self.isConnected == False ) : return 0
+    haha = self.SendCmd(0, "outputVoltageRiseRate.u" + str(ch))
     aa = haha.find('Float:')
     return float(haha[aa+6:-5].strip())
 
-def GetHVFallRate(ch):
+  def GetHVFallRate(self, ch):
-  haha = SendCmd(0, "outputVoltageFallRate.u" + str(ch))
+    if (self.isConnected == False ) : return 0
+    haha = self.SendCmd(0, "outputVoltageFallRate.u" + str(ch))
     aa = haha.find('Float:')
     return float(haha[aa+6:-5].strip())
     
-#======== Get All channel Setting using snmp walk
+  #======== Get All channel Setting using snmp walk
 
-def GetChList():
+  def GetChList(self):
-  haha = SendCmd(2, "outputName")
+    if (self.isConnected == False ) : return [0]
+    haha = self.SendCmd(2, "outputName")
     kaka = []
     for k in haha.split('WIENER-CRATE-MIB::outputName.'):
       if len(k) > 0 :
@@ -65,8 +86,9 @@ def GetChList():
         kaka.append(int(k))
     return kaka
 
-def GetAllHV():
+  def GetAllHV(self):
-  haha = SendCmd(2, "outputVoltage")
+    if (self.isConnected == False ) : return [0]
+    haha = self.SendCmd(2, "outputVoltage")
     kaka = []
     for k in haha.split('WIENER-CRATE-MIB::outputVoltage'):
       if len(k) > 0 :
@@ -75,8 +97,9 @@ def GetAllHV():
         kaka.append(float(k))
     return kaka
     
-def GetAllCurrent():
+  def GetAllCurrent(self):
-  haha = SendCmd(2, "outputCurrent")
+    if (self.isConnected == False ) : return [0]
+    haha = self.SendCmd(2, "outputCurrent")
     kaka = []
     for k in haha.split('WIENER-CRATE-MIB::outputCurrent'):
       if len(k) > 0 :
@@ -85,8 +108,9 @@ def GetAllCurrent():
         kaka.append(float(k))
     return kaka
 
-def GetAllOutputHV():
+  def GetAllOutputHV(self):
-  haha = SendCmd(2, "outputMeasurementSenseVoltage")
+    if (self.isConnected == False ) : return [0]
+    haha = self.SendCmd(2, "outputMeasurementSenseVoltage")
     kaka = []
     for k in haha.split('WIENER-CRATE-MIB::outputMeasurementSenseVoltage'):
       if len(k) > 0 :
@@ -95,8 +119,9 @@ def GetAllOutputHV():
         kaka.append(float(k))
     return kaka
     
-def GetAllLC():
+  def GetAllLC(self):
-  haha = SendCmd(2, "outputMeasurementCurrent")
+    if (self.isConnected == False ) : return [0]
+    haha = self.SendCmd(2, "outputMeasurementCurrent")
     kaka = []
     for k in haha.split('WIENER-CRATE-MIB::outputMeasurementCurrent'):
       if len(k) > 0 :
@@ -105,8 +130,9 @@ def GetAllLC():
         kaka.append(float(k))
     return kaka
     
-def GetAllOnOff():
+  def GetAllOnOff(self):
-  haha = SendCmd(2, "outputSwitch")
+    if (self.isConnected == False ) : return [0]
+    haha = self.SendCmd(2, "outputSwitch")
     kaka = []
     for k in haha.split('WIENER-CRATE-MIB::outputSwitch'):
       if len(k) > 0 :
@@ -115,41 +141,46 @@ def GetAllOnOff():
         kaka.append(int(k))
     return kaka
 
-#======== Set Settings
+  #======== Set Settings
-def SetHV(ch, val):
+  def SetHV(self, ch, val):
+    if (self.isConnected == False ) : return 0
     try :
       int(ch)
       float(val)
-    return SendCmd(1, "outputVoltage.u" + str(ch) + " F " + str(val))
+      return self.SendCmd(1, "outputVoltage.u" + str(ch) + " F " + str(val))
     except:
       print("either ch is not int or val is not float")
       
-def SetCurrent(ch, val):
+  def SetCurrent(self, ch, val):
+    if (self.isConnected == False ) : return 0
     try :
       int(ch)
       float(val)
-    return SendCmd(1, "outputCurrent.u" + str(ch) + " F " + str(val))
+      return self.SendCmd(1, "outputCurrent.u" + str(ch) + " F " + str(val))
     except:
       print("either ch is not int or val is not float")
       
-def SwitchOnHV(ch, onOff):
+  def SwitchOnHV(self, ch, onOff):
+    if (self.isConnected == False ) : return 0
     try :
       int(ch)
       int(onOff)
-    SendCmd(1, "outputSwitch.u" + str(ch) + " i " + str(10))
+      self.SendCmd(1, "outputSwitch.u" + str(ch) + " i " + str(10))
-    return SendCmd(1, "outputSwitch.u" + str(ch) + " i " + str(onOff))
+      return self.SendCmd(1, "outputSwitch.u" + str(ch) + " i " + str(onOff))
     except :
       print("either ch or onOff is not int")
 
-def SetHVRiseRate(ch, rate):
+  def SetHVRiseRate(self, ch, rate):
+    if (self.isConnected == False ) : return 0
     try :
       int(ch)
       int(rate)
-    return SendCmd(1, "outputVoltageRiseRate.u" + str(ch) + " F " + str(rate))
+      return self.SendCmd(1, "outputVoltageRiseRate.u" + str(ch) + " F " + str(rate))
     except:
       print("either ch is not int or rate is not float")
       
-def SetHVFallRate(ch, rate):
+  def SetHVFallRate(self, ch, rate):
+    if (self.isConnected == False ) : return 0
     try :
       int(ch)
       int(rate)
@@ -158,7 +189,6 @@ def SetHVFallRate(ch, rate):
       print("either ch is not int or rate is not float")
 
 #===================== Auxliary function
-
 def SplitChList(chList):
   sep = list()
   for i in range(0, len(chList)):
@@ -176,8 +206,10 @@ def SplitChList(chList):
   return newChList    
 #===================== SandBox
 
-#print( GetOutputHV(0)         )
+#mpod = Mpod("128.186.111.101")
-#print( GetLI(0)         )
+
+#print( mpod.GetOutputHV(0)         )
+#print( mpod.GetLI(0)         )
 #print( GetHVRiseRate(0) )
 #print( GetHVFallRate(0) )
 #
@@ -188,6 +220,6 @@ def SplitChList(chList):
 #hvList = GetAllOutputHV()
 #print(hvList)
 
-#chList = GetChList()
+#chList = mpod.GetChList()
 #print( SplitChList(chList))
 #print( len(SplitChList(chList)))