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May 13, 2013 16:57
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| import datetime | |
| total = 900 | |
| blocks = [(datetime.datetime(*start), datetime.datetime(*end), q) for start, end, q in [ | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2012,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2013,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2012,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2013,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2012,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2013,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2012,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2013,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2012,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2013,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2012,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2013,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2012,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2013,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2012,01,12,10,32), 1), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,02,8,00), (2012,01,10,10,32), 3), | |
| ((2012,01,01,8,00), (2013,01,12,10,32), 1), | |
| ]] | |
| allocated = [] | |
| def get_graph(total, allocated): | |
| pass | |
| def get_avail_at_point(total, allocated, point): | |
| avail = total | |
| for start, end, quantity in allocated: | |
| if start < point and end > point: | |
| avail -= quantity | |
| return avail | |
| def try_add(total, allocated, start, end, quantity): | |
| granularity = datetime.timedelta(minutes=30) | |
| x = start | |
| while x <= end: | |
| avail = get_avail_at_point(total, allocated, x) | |
| if avail < quantity: | |
| raise Exception("Cannot add because availability is {} at {}".format( | |
| avail, x)) | |
| x += granularity | |
| allocated.append((start, end, quantity)) | |
| for block in blocks: | |
| try_add(total, allocated, *block) | |
| print allocated |
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