def rebalance((stack, dictionary)):
'''
This "rebalances" a dictionary. It makes it more efficient to access
commands in the dictionary if you've added a lot of new ones.
It's a good idea to use this command before creating a pickle to
save so that the saved pickle's dictionary is already balanced.
'''
dictionary = fill_tree((), items(dictionary))
return stack, dictionary
def rebalance((stack, dictionary)):
'''
This "rebalances" a dictionary. It makes it more efficient to access
commands in the dictionary if you've added a lot of new ones.
It's a good idea to use this command before creating a pickle to
save so that the saved pickle's dictionary is already balanced.
'''
dictionary = fill_tree((), items(dictionary))
return stack, dictionary
def view1(I):
'''Print the stack to stdout using the pprint module.'''
pprint.pprint(I[0])
print
def nullView(I):
'''"Do nothing" view.'''
pass
# An initial interpreter to use for spawning worlds. It has an empty
# stack and whatever commands are defined by default in the library
# module.
ROOT = (), fill_tree((), words)
class World(object):
'''
Manage an interpreter, a view function, and serialization to a file
or file-like object.
This object takes a view function (any callable that accepts an
interpreter) and optionally an initial interpreter and a save file.
It creates a Serializer object to save commands and results, and it
provides a step() method that accepts a command (list of strings) and
runs it on the interpreter then saves it and calls the view function.
'''
def view1(I):
'''Print the stack to stdout using the pprint module.'''
pprint.pprint(I[0])
print
def nullView(I):
'''"Do nothing" view.'''
pass
# An initial interpreter to use for spawning worlds. It has an empty
# stack and whatever commands are defined by default in the library
# module.
ROOT = (), fill_tree((), words)
class World(object):
'''
Manage an interpreter, a view function, and serialization to a file
or file-like object.
This object takes a view function (any callable that accepts an
interpreter) and optionally an initial interpreter and a save file.
It creates a Serializer object to save commands and results, and it
provides a step() method that accepts a command (list of strings) and
runs it on the interpreter then saves it and calls the view function.
'''
def __init__(self, view=nullView, initial=None, save_file=None):
