Python replace Exemples

Exemple #1

def test_replace_where():

    tbl1 = (('foo', 'bar'), ('a', 1), ('b', 2))

    expect = (('foo', 'bar'), ('a', 1), ('b', 4))

    actual = replace(tbl1, 'bar', 2, 4, where=lambda r: r.foo == 'b')
    ieq(expect, actual)
    ieq(expect, actual)
    actual = replace(tbl1, 'bar', 2, 4, where="{foo} == 'b'")
    ieq(expect, actual)
    ieq(expect, actual)

Exemple #2

Fichier : test_conversions.py Projet : DeanWay/petl

def test_replace_where():

    tbl1 = (('foo', 'bar'),
            ('a', 1),
            ('b', 2))

    expect = (('foo', 'bar'),
              ('a', 1),
              ('b', 4))

    actual = replace(tbl1, 'bar', 2, 4, where=lambda r: r.foo == 'b')
    ieq(expect, actual)
    ieq(expect, actual)
    actual = replace(tbl1, 'bar', 2, 4, where="{foo} == 'b'")
    ieq(expect, actual)
    ieq(expect, actual)

Exemple #3

def test_replace_unhashable():

    table1 = (('foo', 'bar'), ('a', ['b']), ('c', None))
    expect = (('foo', 'bar'), ('a', ['b']), ('c', []))
    actual = replace(table1, 'bar', None, [])
    ieq(expect, actual)