This example starts OpenOffice, creates a new document and writes the text “The first line in the newly created text document.” to it.
import win32com.client
objServiceManager = win32com.client.Dispatch("com.sun.star.ServiceManager")
objServiceManager._FlagAsMethod("CreateInstance")
objDesktop = objServiceManager.CreateInstance("com.sun.star.frame.Desktop")
objDesktop._FlagAsMethod("loadComponentFromURL")
args = []
objDocument = objDesktop.loadComponentFromURL("private:factory/swriter", "_blank", 0, args)
objDocument._FlagAsMethod("GetText")
objText = objDocument.GetText()
objText._FlagAsMethod("createTextCursor","insertString")
objCursor = objText.createTextCursor()
objText.insertString(objCursor, "The first line in the newly created text document.\n", 0)