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Fix bug in _insert_thousands_sep: too much zero padding could be 

added for 'n' formats with non-repeating thousands-separator.
This commit is contained in:
Mark Dickinson 2009-03-18 08:22:51 +00:00
parent d914e3f861
commit b14514a153
2 changed files with 23 additions and 2 deletions
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3
Lib/decimal.py
View File

@ -5621,8 +5621,6 @@ def _insert_thousands_sep(digits, spec, min_width=1):
groups = []
for l in _group_lengths(grouping):
if groups:
min_width -= len(sep)
if l <= 0:
raise ValueError("group length should be positive")
# max(..., 1) forces at least 1 digit to the left of a separator
@ -5632,6 +5630,7 @@ def _insert_thousands_sep(digits, spec, min_width=1):
min_width -= l
if not digits and min_width <= 0:
break
min_width -= len(sep)
else:
l = max(len(digits), min_width, 1)
groups.append('0'*(l - len(digits)) + digits[-l:])

22
Lib/test/test_decimal.py
View File

@ -809,6 +809,28 @@ class DecimalFormatTest(unittest.TestCase):
self.assertEqual(get_fmt(123456789, ru_RU, '.6n'), '1,23457e+8')
self.assertEqual(get_fmt(123456789, crazy, '.6n'), '1&23457e+8')
# zero padding
self.assertEqual(get_fmt(1234, fr_FR, '03n'), '1234')
self.assertEqual(get_fmt(1234, fr_FR, '04n'), '1234')
self.assertEqual(get_fmt(1234, fr_FR, '05n'), '01234')
self.assertEqual(get_fmt(1234, fr_FR, '06n'), '001234')
self.assertEqual(get_fmt(12345, en_US, '05n'), '12,345')
self.assertEqual(get_fmt(12345, en_US, '06n'), '12,345')
self.assertEqual(get_fmt(12345, en_US, '07n'), '012,345')
self.assertEqual(get_fmt(12345, en_US, '08n'), '0,012,345')
self.assertEqual(get_fmt(12345, en_US, '09n'), '0,012,345')
self.assertEqual(get_fmt(12345, en_US, '010n'), '00,012,345')
self.assertEqual(get_fmt(123456, crazy, '06n'), '1-2345-6')
self.assertEqual(get_fmt(123456, crazy, '07n'), '1-2345-6')
self.assertEqual(get_fmt(123456, crazy, '08n'), '1-2345-6')
self.assertEqual(get_fmt(123456, crazy, '09n'), '01-2345-6')
self.assertEqual(get_fmt(123456, crazy, '010n'), '0-01-2345-6')
self.assertEqual(get_fmt(123456, crazy, '011n'), '0-01-2345-6')
self.assertEqual(get_fmt(123456, crazy, '012n'), '00-01-2345-6')
self.assertEqual(get_fmt(123456, crazy, '013n'), '000-01-2345-6')
class DecimalArithmeticOperatorsTest(unittest.TestCase):
'''Unit tests for all arithmetic operators, binary and unary.'''