Created
August 16, 2016 17:02
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Sliding window operator
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| from itertools import tee | |
| def sliding_window(iterable, size=2): | |
| """Move a sliding window across iterable | |
| A sliding window is a subselection of iterable of length size. | |
| Args: | |
| iterable (iterable): an iterable | |
| size (int): length of window | |
| Returns: | |
| (generator) a generator of sliding window views | |
| """ | |
| panes = tee(iterable, size) | |
| for pane_no, pane in enumerate(panes): | |
| for _ in range(pane_no): | |
| next(pane) | |
| yield from zip(*panes) |
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