This is a core module in Python

Shelve is a module used to store objects in a file. It uses Pickle as a help.

Usage Edit

Shelve is really easy to use!

import shelve
shelve ="filename-on-disk")

Now you've got something very similar to a dictionary, although keys can only be strings. To access data use something like this:

MySpecialVariable = shelve['keyname']

Then to save it, it's just like a dict:

shelve['keyname'] = MySpecialVariable

Finally, when you are finished call the close() function:


Using sync() Edit

When you're wanting to write-back to the file in case your program is killed or crashes, you can use the sync() function. To activate it, you need to change the creator like this:

import shelve
shelve ="filename-on-disk", writeback = True)

Then just use the sync() function when you want to save:



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