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Issue #7094: Add alternate ('#') flag to __format__ methods for float, complex and Decimal. Allows greater control over when decimal points appear. Added to make transitioning from %-formatting easier. '#g' still has a problem with Decimal which I'll fix soon.

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This commit is contained in:
Eric Smith 2010-11-25 16:08:06 +00:00
parent c1d98d6850
commit 984bb58000
9 changed files with 87 additions and 36 deletions
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5
Lib/decimal.py
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@ -5991,7 +5991,7 @@ _exact_half = re.compile('50*$').match
#
# A format specifier for Decimal looks like:
#
# [[fill]align][sign][0][minimumwidth][,][.precision][type]
# [[fill]align][sign][#][0][minimumwidth][,][.precision][type]
_parse_format_specifier_regex = re.compile(r"""\A
(?:
@ -5999,6 +5999,7 @@ _parse_format_specifier_regex = re.compile(r"""\A
(?P<align>[<>=^])
)?
(?P<sign>[-+ ])?
(?P<alt>\#)?
(?P<zeropad>0)?
(?P<minimumwidth>(?!0)\d+)?
(?P<thousands_sep>,)?
@ -6214,7 +6215,7 @@ def _format_number(is_negative, intpart, fracpart, exp, spec):
sign = _format_sign(is_negative, spec)
if fracpart:
if fracpart or spec['alt']:
fracpart = spec['decimal_point'] + fracpart
if exp != 0 or spec['type'] in 'eE':