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class Store(object):
def __init__(self):
self.__init_attributes()
def __init_attributes(self):
self.__object_dictionary = {}
return
def add_object(self, name, instance):
from operator import contains
from Exceptions import GlobalStoreObjectExistsError
if contains(self.__object_dictionary.keys(), name): raise GlobalStoreObjectExistsError
from utils import generate_random_number
object_id = generate_random_number(map(lambda x: x[1],self.__object_dictionary.values()))
self.__object_dictionary[name] = instance, object_id
return object_id
def remove_object(self, name, object_id):
from Exceptions import GlobalStoreObjectDoesNotExistError
from operator import ne
if ne(object_id, self.__object_dictionary[name][1]): raise GlobalStoreObjectDoesNotExistError
del self.__object_dictionary[name]
return
def get_object(self, name):
try:
instance = self.__object_dictionary[name]
except KeyError:
from Exceptions import GlobalStoreObjectDoesNotExistError
raise GlobalStoreObjectDoesNotExistError
return instance[0]
def list_objects(self):
object_names = []
object_names = self.__object_dictionary.keys()
object_names.sort()
return object_names
def __destroy(self):
self.__object_dictionary.clear()
del self
self = None
return
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