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bpo-34311: Add locale.localize (GH-15275)

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* Add method localize to the locale module
* Update the documentation of the locale module
This commit is contained in:
Cédric Krier 2021-04-12 14:17:40 +02:00 • committed by GitHub
parent 95bbb331ec
commit e126547c07
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4 changed files with 51 additions and 3 deletions
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16
Lib/locale.py
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@ -185,8 +185,14 @@ def _format(percent, value, grouping=False, monetary=False, *additional):
formatted = percent % ((value,) + additional)
else:
formatted = percent % value
if percent[-1] in 'eEfFgGdiu':
formatted = _localize(formatted, grouping, monetary)
return formatted
# Transform formatted as locale number according to the locale settings
def _localize(formatted, grouping=False, monetary=False):
# floats and decimal ints need special action!
if percent[-1] in 'eEfFgG':
if '.' in formatted:
seps = 0
parts = formatted.split('.')
if grouping:
@ -196,7 +202,7 @@ def _format(percent, value, grouping=False, monetary=False, *additional):
formatted = decimal_point.join(parts)
if seps:
formatted = _strip_padding(formatted, seps)
elif percent[-1] in 'diu':
else:
seps = 0
if grouping:
formatted, seps = _group(formatted, monetary=monetary)
@ -267,7 +273,7 @@ def currency(val, symbol=True, grouping=False, international=False):
raise ValueError("Currency formatting is not possible using "
"the 'C' locale.")
s = _format('%%.%if' % digits, abs(val), grouping, monetary=True)
s = _localize(f'{abs(val):.{digits}f}', grouping, monetary=True)
# '<' and '>' are markers if the sign must be inserted between symbol and value
s = '<' + s + '>'
@ -323,6 +329,10 @@ def delocalize(string):
string = string.replace(dd, '.')
return string
def localize(string, grouping=False, monetary=False):
"""Parses a string as locale number according to the locale settings."""
return _localize(string, grouping, monetary)
def atof(string, func=float):
"Parses a string as a float according to the locale settings."
return func(delocalize(string))