/
test_tees.py
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/
test_tees.py
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# -*- coding: utf-8 -*-
from __future__ import absolute_import, print_function, division
from tempfile import NamedTemporaryFile
from petl.test.helpers import ieq
import petl as etl
def test_teepickle():
t1 = (('foo', 'bar'),
('a', 2),
('b', 1),
('c', 3))
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
etl.wrap(t1).teepickle(f1.name).selectgt('bar', 1).topickle(f2.name)
ieq(t1, etl.frompickle(f1.name))
ieq(etl.wrap(t1).selectgt('bar', 1), etl.frompickle(f2.name))
def test_teecsv():
t1 = (('foo', 'bar'),
('a', 2),
('b', 1),
('c', 3))
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
(etl
.wrap(t1)
.teecsv(f1.name, encoding='ascii')
.selectgt('bar', 1)
.tocsv(f2.name, encoding='ascii'))
ieq(t1,
etl.fromcsv(f1.name, encoding='ascii').convertnumbers())
ieq(etl.wrap(t1).selectgt('bar', 1),
etl.fromcsv(f2.name, encoding='ascii').convertnumbers())
def test_teetsv():
t1 = (('foo', 'bar'),
('a', 2),
('b', 1),
('c', 3))
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
(etl
.wrap(t1)
.teetsv(f1.name, encoding='ascii')
.selectgt('bar', 1)
.totsv(f2.name, encoding='ascii'))
ieq(t1,
etl.fromtsv(f1.name, encoding='ascii').convertnumbers())
ieq(etl.wrap(t1).selectgt('bar', 1),
etl.fromtsv(f2.name, encoding='ascii').convertnumbers())
def test_teecsv_write_header():
t1 = (('foo', 'bar'),
('a', '2'),
('b', '1'),
('c', '3'))
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
(etl
.wrap(t1)
.convertnumbers()
.teecsv(f1.name, write_header=False, encoding='ascii')
.selectgt('bar', 1)
.tocsv(f2.name, encoding='ascii'))
ieq(t1[1:],
etl.fromcsv(f1.name, encoding='ascii'))
ieq(etl.wrap(t1).convertnumbers().selectgt('bar', 1),
etl.fromcsv(f2.name, encoding='ascii').convertnumbers())
def test_teecsv_unicode():
t1 = ((u'name', u'id'),
(u'Արամ Խաչատրյան', 1),
(u'Johann Strauß', 2),
(u'Вагиф Сәмәдоғлу', 3),
(u'章子怡', 4))
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
(etl
.wrap(t1)
.teecsv(f1.name, encoding='utf-8')
.selectgt('id', 1)
.tocsv(f2.name, encoding='utf-8'))
ieq(t1,
etl.fromcsv(f1.name, encoding='utf-8').convertnumbers())
ieq(etl.wrap(t1).selectgt('id', 1),
etl.fromcsv(f2.name, encoding='utf-8').convertnumbers())
def test_teecsv_unicode_write_header():
t1 = ((u'name', u'id'),
(u'Արամ Խաչատրյան', u'1'),
(u'Johann Strauß', u'2'),
(u'Вагиф Сәмәдоғлу', u'3'),
(u'章子怡', u'4'))
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
(etl
.wrap(t1)
.convertnumbers()
.teecsv(f1.name, write_header=False, encoding='utf-8')
.selectgt('id', 1)
.tocsv(f2.name, encoding='utf-8'))
ieq(t1[1:],
etl.fromcsv(f1.name, encoding='utf-8'))
ieq(etl.wrap(t1).convertnumbers().selectgt('id', 1),
etl.fromcsv(f2.name, encoding='utf-8').convertnumbers())
def test_teetsv_unicode():
t1 = ((u'name', u'id'),
(u'Արամ Խաչատրյան', 1),
(u'Johann Strauß', 2),
(u'Вагиф Сәмәдоғлу', 3),
(u'章子怡', 4),)
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
(etl
.wrap(t1)
.teetsv(f1.name, encoding='utf-8')
.selectgt('id', 1)
.totsv(f2.name, encoding='utf-8'))
ieq(t1,
etl.fromtsv(f1.name, encoding='utf-8').convertnumbers())
ieq(etl.wrap(t1).selectgt('id', 1),
etl.fromtsv(f2.name, encoding='utf-8').convertnumbers())
def test_teetext():
t1 = (('foo', 'bar'),
('a', 2),
('b', 1),
('c', 3))
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
prologue = 'foo,bar\n'
template = '{foo},{bar}\n'
epilogue = 'd,4'
(etl
.wrap(t1)
.teetext(f1.name,
template=template,
prologue=prologue,
epilogue=epilogue)
.selectgt('bar', 1)
.topickle(f2.name))
ieq(t1 + (('d', 4),),
etl.fromcsv(f1.name).convertnumbers())
ieq(etl.wrap(t1).selectgt('bar', 1),
etl.frompickle(f2.name))
def test_teetext_unicode():
t1 = ((u'foo', u'bar'),
(u'Արամ Խաչատրյան', 2),
(u'Johann Strauß', 1),
(u'Вагиф Сәмәдоғлу', 3))
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
prologue = u'foo,bar\n'
template = u'{foo},{bar}\n'
epilogue = u'章子怡,4'
(etl
.wrap(t1)
.teetext(f1.name,
template=template,
prologue=prologue,
epilogue=epilogue,
encoding='utf-8')
.selectgt('bar', 1)
.topickle(f2.name))
ieq(t1 + ((u'章子怡', 4),),
etl.fromcsv(f1.name, encoding='utf-8').convertnumbers())
ieq(etl.wrap(t1).selectgt('bar', 1),
etl.frompickle(f2.name))
def test_teehtml():
t1 = (('foo', 'bar'),
('a', 2),
('b', 1),
('c', 3))
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
etl.wrap(t1).teehtml(f1.name).selectgt('bar', 1).topickle(f2.name)
ieq(t1, etl.fromxml(f1.name, './/tr', ('th', 'td')).convertnumbers())
ieq(etl.wrap(t1).selectgt('bar', 1), etl.frompickle(f2.name))
def test_teehtml_unicode():
t1 = ((u'foo', u'bar'),
(u'Արամ Խաչատրյան', 2),
(u'Johann Strauß', 1),
(u'Вагиф Сәмәдоғлу', 3))
f1 = NamedTemporaryFile(delete=False)
f2 = NamedTemporaryFile(delete=False)
(etl
.wrap(t1)
.teehtml(f1.name, encoding='utf-8')
.selectgt('bar', 1)
.topickle(f2.name))
ieq(t1,
(etl
.fromxml(f1.name, './/tr', ('th', 'td'), encoding='utf-8')
.convertnumbers()))
ieq(etl.wrap(t1).selectgt('bar', 1), etl.frompickle(f2.name))