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# -*- coding: utf-8 -*-
from __future__ import absolute_import, print_function, division
from datetime import datetime
from tempfile import NamedTemporaryFile
import pytest
import petl as etl
from petl.io.xlsx import fromxlsx, toxlsx, appendxlsx
from petl.test.helpers import ieq, eq_
openpyxl = pytest.importorskip("openpyxl")
@pytest.fixture()
def xlsx_test_filename():
pkg_resources = pytest.importorskip("pkg_resources") # conda is missing pkg_resources
return pkg_resources.resource_filename('petl', 'test/resources/test.xlsx')
@pytest.fixture(scope="module")
def xlsx_test_table():
return (('foo', 'bar'),
('A', 1),
('B', 2),
('C', 2),
(u'é', datetime(2012, 1, 1)))
@pytest.fixture(scope="module")
def xlsx_table_with_non_str_header():
class Header:
def __init__(self, name):
self.__name = name
def __str__(self):
return self.__name
def __eq__(self, other):
return str(other) == str(self)
return ((Header('foo'), Header('bar')),
('A', 1),
('B', 2),
('C', 2))
def test_fromxlsx(xlsx_test_table, xlsx_test_filename):
tbl = fromxlsx(xlsx_test_filename, 'Sheet1')
expect = xlsx_test_table
ieq(expect, tbl)
ieq(expect, tbl)
def test_fromxlsx_read_only(xlsx_test_filename):
tbl = fromxlsx(xlsx_test_filename, sheet='Sheet1', read_only=True)
expect = (('foo', 'bar'),
('A', 1),
('B', 2),
('C', 2),
(u'é', datetime(2012, 1, 1)))
ieq(expect, tbl)
ieq(expect, tbl)
def test_fromxlsx_nosheet(xlsx_test_filename):
tbl = fromxlsx(xlsx_test_filename)
expect = (('foo', 'bar'),
('A', 1),
('B', 2),
('C', 2),
(u'é', datetime(2012, 1, 1)))
ieq(expect, tbl)
ieq(expect, tbl)
def test_fromxlsx_range(xlsx_test_filename):
tbl = fromxlsx(xlsx_test_filename, 'Sheet2', range_string='B2:C6')
expect = (('foo', 'bar'),
('A', 1),
('B', 2),
('C', 2),
(u'é', datetime(2012, 1, 1)))
ieq(expect, tbl)
ieq(expect, tbl)
def test_fromxlsx_offset(xlsx_test_filename):
tbl = fromxlsx(xlsx_test_filename, 'Sheet1', min_row=2, min_col=2)
expect = ((1,),
(2,),
(2,),
(datetime(2012, 1, 1, 0, 0),))
ieq(expect, tbl)
ieq(expect, tbl)
def test_toxlsx_appendxlsx(xlsx_test_table):
# setup
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
# test toxlsx
toxlsx(xlsx_test_table, f.name, 'Sheet1')
actual = fromxlsx(f.name, 'Sheet1')
ieq(xlsx_test_table, actual)
# test appendxlsx
appendxlsx(xlsx_test_table, f.name, 'Sheet1')
expect = etl.cat(xlsx_test_table, xlsx_test_table)
ieq(expect, actual)
def test_toxlsx_nosheet(xlsx_test_table):
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
toxlsx(xlsx_test_table, f.name)
actual = fromxlsx(f.name)
ieq(xlsx_test_table, actual)
def test_integration(xlsx_test_table):
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
tbl = etl.wrap(xlsx_test_table)
tbl.toxlsx(f.name, 'Sheet1')
actual = etl.fromxlsx(f.name, 'Sheet1')
ieq(tbl, actual)
tbl.appendxlsx(f.name, 'Sheet1')
expect = tbl.cat(tbl)
ieq(expect, actual)
def test_toxlsx_overwrite(xlsx_test_table):
f = NamedTemporaryFile(delete=False, suffix='.xlsx')
f.close()
toxlsx(xlsx_test_table, f.name, 'Sheet1', mode="overwrite")
wb = openpyxl.load_workbook(f.name, read_only=True)
eq_(1, len(wb.sheetnames))
def test_toxlsx_replace_file(xlsx_test_table):
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
toxlsx(xlsx_test_table, f.name, 'Sheet1', mode="overwrite")
toxlsx(xlsx_test_table, f.name, sheet=None, mode="replace")
wb = openpyxl.load_workbook(f.name, read_only=True)
eq_(1, len(wb.sheetnames))
def test_toxlsx_replace_sheet(xlsx_test_table):
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
toxlsx(xlsx_test_table, f.name, 'Sheet1', mode="overwrite")
toxlsx(xlsx_test_table, f.name, 'Sheet1', mode="replace")
wb = openpyxl.load_workbook(f.name, read_only=True)
eq_(1, len(wb.sheetnames))
def test_toxlsx_replace_sheet_nofile(xlsx_test_table):
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
toxlsx(xlsx_test_table, f.name, 'Sheet1', mode="replace")
wb = openpyxl.load_workbook(f.name, read_only=True)
eq_(1, len(wb.sheetnames))
def test_toxlsx_add_nosheet(xlsx_test_table):
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
toxlsx(xlsx_test_table, f.name, 'Sheet1', mode="overwrite")
toxlsx(xlsx_test_table, f.name, None, mode="add")
wb = openpyxl.load_workbook(f.name, read_only=True)
eq_(2, len(wb.sheetnames))
def test_toxlsx_add_sheet_nomatch(xlsx_test_table):
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
toxlsx(xlsx_test_table, f.name, 'Sheet1', mode="overwrite")
toxlsx(xlsx_test_table, f.name, 'Sheet2', mode="add")
wb = openpyxl.load_workbook(f.name, read_only=True)
eq_(2, len(wb.sheetnames))
def test_toxlsx_add_sheet_match(xlsx_test_table):
tbl = xlsx_test_table
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
toxlsx(tbl, f.name, 'Sheet1', mode="overwrite")
with pytest.raises(ValueError) as excinfo:
toxlsx(tbl, f.name, 'Sheet1', mode="add")
assert 'Sheet Sheet1 already exists in file' in str(excinfo.value)
def test_toxlsx_with_non_str_header(xlsx_table_with_non_str_header):
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
toxlsx(xlsx_table_with_non_str_header, f.name, 'Sheet1')
actual = etl.fromxlsx(f.name, 'Sheet1')
ieq(xlsx_table_with_non_str_header, actual)
def test_appendxlsx_with_non_str_header(xlsx_table_with_non_str_header, xlsx_test_table):
f = NamedTemporaryFile(delete=True, suffix='.xlsx')
f.close()
# write first table
toxlsx(xlsx_test_table, f.name, 'Sheet1')
actual = fromxlsx(f.name, 'Sheet1')
ieq(xlsx_test_table, actual)
# test appendxlsx
appendxlsx(xlsx_table_with_non_str_header, f.name, 'Sheet1')
expect = etl.cat(xlsx_test_table, xlsx_table_with_non_str_header)
ieq(expect, actual)
def test_toxlsx_headerless():
expect = []
f = NamedTemporaryFile(delete=False)
f.close()
toxlsx(expect, f.name)
actual = fromxlsx(f.name)
ieq(expect, actual)
ieq(expect, actual)
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