limlist

limited list

class fbf.utils.limlist.Limlist(limit)

Bases: builtins.list

list with limited number of items

append(item)

add item to list .. pop oldest item if limit is reached

insert(index, item)

insert item at index .. pop oldest item if limit is reached

CODE

# fbf/utils/limlist.py
#
#

""" limited list """

class Limlist(list):

    """ list with limited number of items """

    def __init__(self, limit):
        self.limit = limit
        list.__init__(self)

    def insert(self, index, item):
        """ insert item at index .. pop oldest item if limit is reached """
        if index > len(self): return -1
        if len(self) >= self.limit: self.pop(len(self)-1)
        list.insert(self, index, item)

    def append(self, item):
        """ add item to list .. pop oldest item if limit is reached """
        if len(self) >= self.limit: self.pop(0)
        list.append(self, item)