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"""Provide class for testing in French locale
"""
import sys
import locale
import pytest
__ALL__ = ['CommaDecimalPointLocale']
def find_comma_decimal_point_locale():
"""See if platform has a decimal point as comma locale.
Find a locale that uses a comma instead of a period as the
decimal point.
Returns
-------
old_locale: str
Locale when the function was called.
new_locale: {str, None)
First French locale found, None if none found.
"""
if sys.platform == 'win32':
locales = ['FRENCH']
else:
locales = ['fr_FR', 'fr_FR.UTF-8', 'fi_FI', 'fi_FI.UTF-8']
old_locale = locale.getlocale(locale.LC_NUMERIC)
new_locale = None
try:
for loc in locales:
try:
locale.setlocale(locale.LC_NUMERIC, loc)
new_locale = loc
break
except locale.Error:
pass
finally:
locale.setlocale(locale.LC_NUMERIC, locale=old_locale)
return old_locale, new_locale
class CommaDecimalPointLocale:
"""Sets LC_NUMERIC to a locale with comma as decimal point.
Classes derived from this class have setup and teardown methods that run
tests with locale.LC_NUMERIC set to a locale where commas (',') are used as
the decimal point instead of periods ('.'). On exit the locale is restored
to the initial locale. It also serves as context manager with the same
effect. If no such locale is available, the test is skipped.
.. versionadded:: 1.15.0
"""
(cur_locale, tst_locale) = find_comma_decimal_point_locale()
def setup_method(self):
if self.tst_locale is None:
pytest.skip("No French locale available")
locale.setlocale(locale.LC_NUMERIC, locale=self.tst_locale)
def teardown_method(self):
locale.setlocale(locale.LC_NUMERIC, locale=self.cur_locale)
def __enter__(self):
if self.tst_locale is None:
pytest.skip("No French locale available")
locale.setlocale(locale.LC_NUMERIC, locale=self.tst_locale)
def __exit__(self, type, value, traceback):
locale.setlocale(locale.LC_NUMERIC, locale=self.cur_locale)
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