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-- NOT FINISHED -- But usable with single terminal
This is an extension module for any class that is built on DataHandler
to provide undo/redo functionality.

src/p/y/PyWorkbooks-0.0.9/PyWorkbooks/PyWorkbook.py   PyWorkbooks(Download)
reload(DataHandler)
 
from DataHandler import DataHandler, DataHandlerUser
 
 

src/p/y/PyWorkbooks-0.0.9/PyWorkbooks/GnWorkbook.py   PyWorkbooks(Download)
import DataHandler
reload(DataHandler)
from DataHandler import DataHandlerUser
 
 
class GnWorkbookUser(GnWorkbook, DataHandlerUser):
   ''' CURRENTLY IN DEVELOPMENT
   Extends the GnWorkbook class to allow for undo and redo operations.
   Mostly useful for interactive sessions.  Slows down setting operations
   significantly.'''