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comparison gamelib/state.py @ 498:168e9424fe91

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Perform a deepcopy of INITIAL_DATA to allow mutable initial data to be used safely.
author Simon Cross <hodgestar+bzr@gmail.com>
date Mon, 30 Aug 2010 00:16:14 +0200
parents a7ed199f69d5
children 93ddcac0b772
comparison
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497:0b33a502660c 498:168e9424fe91
1 """Utilities and base classes for dealing with scenes.""" 1 """Utilities and base classes for dealing with scenes."""
2
3 import copy
2 4
3 from albow.resource import get_image, get_font 5 from albow.resource import get_image, get_font
4 from albow.utils import frame_rect 6 from albow.utils import frame_rect
5 from widgets import BoomLabel 7 from widgets import BoomLabel
6 from pygame.rect import Rect 8 from pygame.rect import Rect
234 INITIAL_DATA = None 236 INITIAL_DATA = None
235 237
236 def __init__(self): 238 def __init__(self):
237 self.data = {} 239 self.data = {}
238 if self.INITIAL_DATA: 240 if self.INITIAL_DATA:
239 self.data.update(self.INITIAL_DATA) 241 # deep copy of INITIAL_DATA allows lists, sets and
242 # other mutable types to safely be used in INITIAL_DATA
243 self.data.update(copy.deepcopy(self.INITIAL_DATA))
240 244
241 def set_data(self, key, value): 245 def set_data(self, key, value):
242 self.data[key] = value 246 self.data[key] = value
243 247
244 def get_data(self, key): 248 def get_data(self, key):