39 lines
1017 B
Python
39 lines
1017 B
Python
# Bryan Schumaker (5 / 6 / 2011)
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import os
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import libsaria
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join = os.path.join
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sep = os.path.sep
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isfile = os.path.isfile
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isdir = os.path.isdir
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getsize = os.path.getsize
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def file_exists(cache_path):
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if not isfile(cache_path):
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return False
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return getsize(cache_path) != 0
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def make_cache_path(artist, album, file):
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cache_dir = libsaria.storage.full_path("cache")
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cache_file = "%s%s%s%s" % (artist, sep, album, sep)
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cache_path = join(cache_dir, cache_file)
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if not isdir(cache_path):
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os.makedirs(cache_path)
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return join(cache_path, file)
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def fill_cache(artist, album, title, cache_func, cache_path):
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f = open(cache_path, 'w')
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cache_func(artist, album, title, f)
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f.close()
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if not file_exists(cache_path):
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os.remove(cache_path)
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return None
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return cache_path
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def get_item(artist, album, title, file, cache_func):
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cache_path = make_cache_path(artist, album, file)
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if not file_exists(cache_path):
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cache_path = fill_cache(artist, album, title, cache_func, cache_path)
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return cache_path
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