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Point = namedtuple('Point', 'x, y, z')
class BoundingBox(object):
    def __init__(self,bottom,top):
        self.top = Point._make(top)
        self.bot = Point._make(bottom)
    
    def _point_contained(self, other_point):
        over_bot = all(map(lambda x: x[0]<=x[1], zip(self.bot,other_point)))
        under_top = all(map(lambda x: x[0]>=x[1], zip(self.top,other_point)))
        return over_bot and under_top

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# -*- coding: utf-8 -*-
from django.db import models
from django.core.serializers.json import DjangoJSONEncoder
from django.utils import simplejson as json

class JSONField(models.TextField):
    """
    JSONField is a generic textfield that neatly serializes/unserializes
    JSON objects seamlessly.
    Django snippet #1478

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# Per funzionare il programma ha bisogno della libreria pygame
#
# Le istruzioni per installare pygame sono a questo indirizzo:
# http://pygame.org/download.shtml
#
import pygame, random

pygame.init()
random.seed()
screen = pygame.display.set_mode((400, 400))

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def mixIn (base, addition):
    """Mixes in place, i.e. the base class is modified.
    Tags the class with a list of names of mixed members.
    
    """
    assert not hasattr(base, '_mixed_')
    mixed = []
    for item, val in addition.__dict__.items():
        if not hasattr(base, item):
            setattr(base, item, val)

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from PyQt4 import uic
from PyQt4.QtCore import pyqtWrapperType

UI_DIR='path_to_ui_files'

class WindowMeta (pyqtWrapperType, type):
    """This is the metaclass of all Qt-Windows. It automatically
    sets the correct base classes, so they do not have to be set
    by the programmer.
    @attention: The class has to have the same name as the .ui-file.