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84 lines
2.8 KiB
84 lines
2.8 KiB
import re
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import warnings
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import pytest
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from pandas import DataFrame
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import pandas._testing as tm
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from pandas.io.excel import ExcelWriter
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xlsxwriter = pytest.importorskip("xlsxwriter")
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pytestmark = pytest.mark.parametrize("ext", [".xlsx"])
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def test_column_format(ext):
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# Test that column formats are applied to cells. Test for issue #9167.
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# Applicable to xlsxwriter only.
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with warnings.catch_warnings():
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# Ignore the openpyxl lxml warning.
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warnings.simplefilter("ignore")
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openpyxl = pytest.importorskip("openpyxl")
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with tm.ensure_clean(ext) as path:
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frame = DataFrame({"A": [123456, 123456], "B": [123456, 123456]})
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with ExcelWriter(path) as writer:
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frame.to_excel(writer)
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# Add a number format to col B and ensure it is applied to cells.
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num_format = "#,##0"
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write_workbook = writer.book
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write_worksheet = write_workbook.worksheets()[0]
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col_format = write_workbook.add_format({"num_format": num_format})
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write_worksheet.set_column("B:B", None, col_format)
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read_workbook = openpyxl.load_workbook(path)
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try:
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read_worksheet = read_workbook["Sheet1"]
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except TypeError:
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# compat
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read_worksheet = read_workbook.get_sheet_by_name(name="Sheet1")
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# Get the number format from the cell.
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try:
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cell = read_worksheet["B2"]
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except TypeError:
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# compat
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cell = read_worksheet.cell("B2")
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try:
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read_num_format = cell.number_format
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except AttributeError:
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read_num_format = cell.style.number_format._format_code
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assert read_num_format == num_format
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def test_write_append_mode_raises(ext):
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msg = "Append mode is not supported with xlsxwriter!"
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with tm.ensure_clean(ext) as f:
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with pytest.raises(ValueError, match=msg):
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ExcelWriter(f, engine="xlsxwriter", mode="a")
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@pytest.mark.parametrize("nan_inf_to_errors", [True, False])
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def test_kwargs(ext, nan_inf_to_errors):
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# GH 42286
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kwargs = {"options": {"nan_inf_to_errors": nan_inf_to_errors}}
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with tm.ensure_clean(ext) as f:
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msg = re.escape("Use of **kwargs is deprecated")
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with tm.assert_produces_warning(FutureWarning, match=msg):
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with ExcelWriter(f, engine="xlsxwriter", **kwargs) as writer:
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assert writer.book.nan_inf_to_errors == nan_inf_to_errors
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@pytest.mark.parametrize("nan_inf_to_errors", [True, False])
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def test_engine_kwargs(ext, nan_inf_to_errors):
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# GH 42286
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engine_kwargs = {"options": {"nan_inf_to_errors": nan_inf_to_errors}}
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with tm.ensure_clean(ext) as f:
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with ExcelWriter(f, engine="xlsxwriter", engine_kwargs=engine_kwargs) as writer:
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assert writer.book.nan_inf_to_errors == nan_inf_to_errors
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