Issue #6857: Fix Decimal formatting to be consistent with existing float

formatting:  both are now right-aligned by default.
This commit is contained in:
Mark Dickinson 2009-09-08 20:20:19 +00:00
parent 81809a42c1
commit 5cfa8044ff
3 changed files with 9 additions and 2 deletions

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@ -5497,7 +5497,10 @@ def _parse_format_specifier(format_spec, _localeconv=None):
raise ValueError("Alignment conflicts with '0' in "
"format specifier: " + format_spec)
format_dict['fill'] = fill or ' '
format_dict['align'] = align or '<'
# PEP 3101 originally specified that the default alignment should
# be left; it was later agreed that right-aligned makes more sense
# for numeric types. See http://bugs.python.org/issue6857.
format_dict['align'] = align or '>'
# default sign handling: '-' for negative, '' for positive
if format_dict['sign'] is None:

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@ -712,6 +712,7 @@ class DecimalFormatTest(unittest.TestCase):
('', '1.00', '1.00'),
# test alignment and padding
('6', '123', ' 123'),
('<6', '123', '123 '),
('>6', '123', ' 123'),
('^6', '123', ' 123 '),
@ -741,7 +742,7 @@ class DecimalFormatTest(unittest.TestCase):
(',', '-1234567', '-1,234,567'),
(',', '-123456', '-123,456'),
('7,', '123456', '123,456'),
('8,', '123456', '123,456 '),
('8,', '123456', ' 123,456'),
('08,', '123456', '0,123,456'), # special case: extra 0 needed
('+08,', '123456', '+123,456'), # but not if there's a sign
(' 08,', '123456', ' 123,456'),

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@ -366,6 +366,9 @@ Core and Builtins
Library
-------
- Issue #6857: Default format() alignment should be '>' for Decimal
instances.
- Issue #6795: int(Decimal('nan')) now raises ValueError instead of
returning NaN or raising InvalidContext. Also, fix infinite recursion
in long(Decimal('nan')).