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class URLFileCache(LRUFileCache):
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def __init__(self, path, fetch_fn=None,
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max_keys=None, keys_pct=0.75,
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super(URLFileCache, self).__init__(
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fetch_fn or self.url_fetcher,
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max_keys=max_keys, keys_pct=keys_pct,
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34
def get_url(self, url, wait=True, chunksize=4096, fetch_options=None,