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fills.py
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fills.py
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from __future__ import division, print_function, absolute_import
# filldown()
############
import petl as etl
table1 = [['foo', 'bar', 'baz'],
[1, 'a', None],
[1, None, .23],
[1, 'b', None],
[2, None, None],
[2, None, .56],
[2, 'c', None],
[None, 'c', .72]]
table2 = etl.filldown(table1)
table2.lookall()
table3 = etl.filldown(table1, 'bar')
table3.lookall()
table4 = etl.filldown(table1, 'bar', 'baz')
table4.lookall()
# fillright()
#############
import petl as etl
table1 = [['foo', 'bar', 'baz'],
[1, 'a', None],
[1, None, .23],
[1, 'b', None],
[2, None, None],
[2, None, .56],
[2, 'c', None],
[None, 'c', .72]]
table2 = etl.fillright(table1)
table2.lookall()
# fillleft()
############
import petl as etl
table1 = [['foo', 'bar', 'baz'],
[1, 'a', None],
[1, None, .23],
[1, 'b', None],
[2, None, None],
[2, None, .56],
[2, 'c', None],
[None, 'c', .72]]
table2 = etl.fillleft(table1)
table2.lookall()