示例#1
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文件: examples.py 项目: datamade/petl
from petl import unique, look
look(table1)
table2 = unique(table1, 'foo')
look(table2)


# isordered
table = (('foo', 'bar', 'baz'), 
         ('a', 1, True), 
         ('b', 3, True), 
         ('b', 2))

from petl import isordered, look
look(table)
isordered(table, key='foo')
isordered(table, key='foo', strict=True)
isordered(table, key='foo', reverse=True)


# rowgroupby
table = (('foo', 'bar', 'baz'), 
         ('a', 1, True), 
         ('b', 3, True), 
         ('b', 2))

from petl import rowgroupby, look
look(table)
# group entire rows
for key, group in rowgroupby(table, 'foo'):
    print key, list(group)
示例#2
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def test_isordered():

    table1 = (('foo', 'bar', 'baz'), ('a', 1, True), ('b', 3, True), ('b', 2))
    assert isordered(table1, key='foo')
    assert not isordered(table1, key='foo', reverse=True)
    assert not isordered(table1, key='foo', strict=True)

    table2 = (('foo', 'bar', 'baz'), ('b', 2, True), ('a', 1, True), ('b', 3))
    assert not isordered(table2, key='foo')

    table3 = (('foo', 'bar', 'baz'), ('a', 1, True), ('b', 2, True), ('b', 3))
    assert isordered(table3, key=('foo', 'bar'))
    assert isordered(table3)

    table4 = (('foo', 'bar', 'baz'), ('a', 1, True), ('b', 3, True), ('b', 2))
    assert not isordered(table4, key=('foo', 'bar'))
    assert not isordered(table4)

    table5 = (('foo', 'bar', 'baz'), ('b', 3, True), ('b', 2), ('a', 1, True))
    assert not isordered(table5, key='foo')
    assert isordered(table5, key='foo', reverse=True)
    assert not isordered(table5, key='foo', reverse=True, strict=True)
示例#3
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def test_isordered():
    
    table1 = (('foo', 'bar', 'baz'), 
              ('a', 1, True), 
              ('b', 3, True), 
              ('b', 2))
    assert isordered(table1, key='foo')
    assert not isordered(table1, key='foo', reverse=True)
    assert not isordered(table1, key='foo', strict=True)

    table2 = (('foo', 'bar', 'baz'), 
              ('b', 2, True), 
              ('a', 1, True), 
              ('b', 3))
    assert not isordered(table2, key='foo')

    table3 = (('foo', 'bar', 'baz'), 
              ('a', 1, True), 
              ('b', 2, True), 
              ('b', 3))
    assert isordered(table3, key=('foo', 'bar'))
    assert isordered(table3)

    table4 = (('foo', 'bar', 'baz'), 
              ('a', 1, True), 
              ('b', 3, True), 
              ('b', 2))
    assert not isordered(table4, key=('foo', 'bar'))
    assert not isordered(table4)

    table5 = (('foo', 'bar', 'baz'), 
              ('b', 3, True), 
              ('b', 2),
              ('a', 1, True)) 
    assert not isordered(table5, key='foo')
    assert isordered(table5, key='foo', reverse=True)
    assert not isordered(table5, key='foo', reverse=True, strict=True)
示例#4
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from petl import unique, look
look(table1)
table2 = unique(table1, 'foo')
look(table2)


# isordered
table = (('foo', 'bar', 'baz'), 
         ('a', 1, True), 
         ('b', 3, True), 
         ('b', 2))

from petl import isordered, look
look(table)
isordered(table, key='foo')
isordered(table, key='foo', strict=True)
isordered(table, key='foo', reverse=True)


# rowgroupby
table = (('foo', 'bar', 'baz'), 
         ('a', 1, True), 
         ('b', 3, True), 
         ('b', 2))

from petl import rowgroupby, look
look(table)
# group entire rows
for key, group in rowgroupby(table, 'foo'):
    print key, list(group)
示例#5
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文件: test_util.py 项目: talwai/petl
def test_isordered():

    table1 = (("foo", "bar", "baz"), ("a", 1, True), ("b", 3, True), ("b", 2))
    assert isordered(table1, key="foo")
    assert not isordered(table1, key="foo", reverse=True)
    assert not isordered(table1, key="foo", strict=True)

    table2 = (("foo", "bar", "baz"), ("b", 2, True), ("a", 1, True), ("b", 3))
    assert not isordered(table2, key="foo")

    table3 = (("foo", "bar", "baz"), ("a", 1, True), ("b", 2, True), ("b", 3))
    assert isordered(table3, key=("foo", "bar"))
    assert isordered(table3)

    table4 = (("foo", "bar", "baz"), ("a", 1, True), ("b", 3, True), ("b", 2))
    assert not isordered(table4, key=("foo", "bar"))
    assert not isordered(table4)

    table5 = (("foo", "bar", "baz"), ("b", 3, True), ("b", 2), ("a", 1, True))
    assert not isordered(table5, key="foo")
    assert isordered(table5, key="foo", reverse=True)
    assert not isordered(table5, key="foo", reverse=True, strict=True)