mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-09-27 10:50:04 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 13

Make sure the money formatting recipe can doesn't run out of digits

Browse source 
to the right of the decimal point.
This commit is contained in:
Raymond Hettinger 2004-11-25 04:47:09 +00:00
parent 7a8173a477
commit 3de9aa40ec
1 changed files with 14 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

20
Doc/lib/libdecimal.tex
View file

@ -979,12 +979,12 @@ def moneyfmt(value, places=2, curr='', sep=',', dp='.',
places: required number of places after the decimal point places: required number of places after the decimal point
curr: optional currency symbol before the sign (may be blank) curr: optional currency symbol before the sign (may be blank)
sep: optional grouping separator (comma, period, or blank) sep: optional grouping separator (comma, period, space, or blank)
dp: decimal point indicator (comma or period) dp: decimal point indicator (comma or period)
only specify as blank when places is zero only specify as blank when places is zero
pos: optional sign for positive numbers: "+", space or blank pos: optional sign for positive numbers: '+', space or blank
neg: optional sign for negative numbers: "-", "(", space or blank neg: optional sign for negative numbers: '-', '(', space or blank
trailneg:optional trailing minus indicator: "-", ")", space or blank trailneg:optional trailing minus indicator: '-', ')', space or blank
>>> d = Decimal('-1234567.8901') >>> d = Decimal('-1234567.8901')
>>> moneyfmt(d, curr='$') >>> moneyfmt(d, curr='$')
@ -993,19 +993,25 @@ def moneyfmt(value, places=2, curr='', sep=',', dp='.',
'1.234.568-' '1.234.568-'
>>> moneyfmt(d, curr='$', neg='(', trailneg=')') >>> moneyfmt(d, curr='$', neg='(', trailneg=')')
'($1,234,567.89)' '($1,234,567.89)'
>>> moneyfmt(Decimal(123456)) >>> moneyfmt(Decimal(123456789), sep=' ')
'123,456.00' '123 456 789.00'
>>> moneyfmt(Decimal('-0.02'), neg='<', trailneg='>')
'<.02>'
""" """
q = Decimal((0, (1,), -places)) # 2 places --> '0.01' q = Decimal((0, (1,), -places)) # 2 places --> '0.01'
sign, digits, exp = value.quantize(q).as_tuple() sign, digits, exp = value.quantize(q).as_tuple()
assert exp == -places
result = [] result = []
digits = map(str, digits) digits = map(str, digits)
build, next = result.append, digits.pop build, next = result.append, digits.pop
if sign: if sign:
build(trailneg) build(trailneg)
for i in range(places): for i in range(places):
build(next()) if digits:
build(next())
else:
build('0')
build(dp) build(dp)
i = 0 i = 0
while digits: while digits: