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object --+
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dict --+
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FileIndex
An in memory index that allows rapid random access into a file.
The class can be used to turn a file into a read-only database.
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new empty dictionary |
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Inherited from Inherited from |
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Inherited from |
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Arguments:
filename -- The file to index
iterator_gen -- A function that eats a file handle, and returns
a file iterator. The iterator has a method next()
that returns the next item to be indexed from the file.
key_gen -- A function that generates an index key from the items
created by the iterator.
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Return an item from the indexed file.
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