standard_object_factory a class to create objects for python

import pygame
from math import cos, sin, pi

class object_factory(pygame.sprite.Sprite):
    #----------------------------------------------------------------------
    def __init__(self, imagelist, xpos = 0, ypos = 0, speedx = 0, speedy = 0, value = 0):
        """Constructor"""
        pygame.sprite.Sprite.__init__(self)
        self.name = ""
        self.frame = 0
        self.imagelist = imagelist
        self.image = imagelist[self.frame]
        self.mask = pygame.mask.from_surface(self.image) # pixelmask
        self.rect = self.image.get_rect()
        self.rect.x = xpos
        self.rect.y = ypos
        self.speedx = speedx
        self.speedy = speedy
        self.timer = 0
        self.timerlimit = 10

        #----------------------------------------------------------------------
    def move(self):  # wallsprites, Herosprite, looptime
        self.rect.x += self.speedx
        self.rect.y += self.speedy

    #----------------------------------------------------------------------
    def update(self):
        """"""
        self.image = self.imagelist[self.frame]
        if self.timer >= self.timerlimit:
            self.frame += 1
            if self.frame >= len(self.imagelist):
                self.frame = 0
            self.timer = 0
        self.timer += 1

    #----------------------------------------------------------------------
    def collide(self, colwith):
        """"""
        hit_list = pygame.sprite.spritecollide(self, colwith, False, collided = pygame.sprite.collide_rect)

        for colob in hit_list:

            if self.rect.bottom > colob.rect.top:
                self.rect.bottom = colob.rect.top

                print self.rect.x, self.rect.y, colob.speedx, colob.speedy
                self.speedx = colob.speedx

                #self.rect.y = colob.rect.y - self.rect.height