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annotate gamelib/data.py @ 267:a534629f490f default tip

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Fix urls
author Neil Muller <drnlmuller@gmail.com>
date Tue, 17 Mar 2020 22:39:54 +0200
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1 '''Simple data loader module.
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2
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3 Loads data files from the "data" directory shipped with a game.
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5 Enhancing this to handle caching etc. is left as an exercise for the reader.
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6 '''
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7
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8 import os
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10 from pygame import image
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13 data_py = os.path.abspath(os.path.dirname(__file__))
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14 data_dir = os.path.normpath(os.path.join(data_py, '..', 'data'))
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15 IMAGE_CACHE = {}
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18 def filepath(filename):
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19 '''Determine the path to a file in the data directory.
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20 '''
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21 filename = os.path.join(*filename.split('/'))
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22 return os.path.join(data_dir, filename)
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25 def load(filename, mode='rb'):
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26 '''Open a file in the data directory.
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27
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28 "mode" is passed as the second arg to open().
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29 '''
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30 return open(filepath(filename), mode)
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33 def load_image(filename):
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34 if filename in IMAGE_CACHE:
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35 return IMAGE_CACHE[filename]
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36 else:
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37 im = image.load(filepath(filename))
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38 IMAGE_CACHE[filename] = im
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39 return im