How to write data into ods when libreoffice-calc is in headless mode?

I can write data into ods when libreoffice is in interactive mode.
1.launch LibreOffice Calc within interactive mode

soffice --calc --accept="socket,host=localhost,port=2002;urp;StarOffice.ServiceManager"

2.launch Python Shell

import uno     
localContext = uno.getComponentContext()    
resolver = localContext.ServiceManager.createInstanceWithContext(
                            "com.sun.star.bridge.UnoUrlResolver", localContext )      
ctx = resolver.resolve( "uno:socket,host=localhost,port=2002;urp;StarOffice.ComponentContext" )
smgr = ctx.ServiceManager     
desktop = smgr.createInstanceWithContext( "com.sun.star.frame.Desktop",ctx)     
model = desktop.getCurrentComponent()
active_sheet = model.CurrentController.ActiveSheet
cell1 = active_sheet.getCellRangeByName("C4")
cell1.String = "Hello world"
outputFile = 'file:///tmp/out.ods'
model.storeAsURL(outputFile, ())
model.dispose()     

I write data into /tmp/out.ods ,save and close it.How can i write data within libre0ffice-calc’s headless mode?
With same procedure:
1.launch LibreOffice Calc without interactive mode

soffice --calc --headless --accept="socket,host=localhost,port=2002;urp;StarOffice.ServiceManager"

2.launch Python Shell

import uno     
localContext = uno.getComponentContext()   
resolver = localContext.ServiceManager.createInstanceWithContext(
                            "com.sun.star.bridge.UnoUrlResolver", localContext )      
ctx = resolver.resolve( "uno:socket,host=localhost,port=2002;urp;StarOffice.ComponentContext" )
smgr = ctx.ServiceManager     
desktop = smgr.createInstanceWithContext( "com.sun.star.frame.Desktop",ctx)    # access the current writer document
model = desktop.getCurrentComponent()
active_sheet = model.CurrentController.ActiveSheet
Traceback (most recent call last):
  File "<stdin>", line 2, in <module>
AttributeError: 'NoneType' object has no attribute 'CurrentController' 

How to fix it?

Cross posted on AOO forum

Tagged as Solved by user in the other forum