20 lines
482 B
Python
20 lines
482 B
Python
import numpy as np
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from .base import NumpyColumn
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class NumpyDateColumn(NumpyColumn):
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dtype = np.dtype(np.uint16)
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ch_type = 'Date'
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null_value = np.datetime64(0, 'Y')
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def read_items(self, n_items, buf):
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data = super(NumpyDateColumn, self).read_items(n_items, buf)
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return data.astype('datetime64[D]')
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def write_items(self, items, buf):
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super(NumpyDateColumn, self).write_items(
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items.astype('datetime64[D]'), buf
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)
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