diff options
Diffstat (limited to 'Lib/fractions.py')
| -rw-r--r-- | Lib/fractions.py | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/Lib/fractions.py b/Lib/fractions.py index 66e6831a5c..180cd94c28 100644 --- a/Lib/fractions.py +++ b/Lib/fractions.py @@ -21,17 +21,17 @@ _PyHASH_MODULUS = sys.hash_info.modulus _PyHASH_INF = sys.hash_info.inf _RATIONAL_FORMAT = re.compile(r""" - \A\s* # optional whitespace at the start, then - (?P<sign>[-+]?) # an optional sign, then - (?=\d|\.\d) # lookahead for digit or .digit - (?P<num>\d*) # numerator (possibly empty) - (?: # followed by - (?:/(?P<denom>\d+))? # an optional denominator - | # or - (?:\.(?P<decimal>\d*))? # an optional fractional part - (?:E(?P<exp>[-+]?\d+))? # and optional exponent + \A\s* # optional whitespace at the start, + (?P<sign>[-+]?) # an optional sign, then + (?=\d|\.\d) # lookahead for digit or .digit + (?P<num>\d*|\d+(_\d+)*) # numerator (possibly empty) + (?: # followed by + (?:/(?P<denom>\d+(_\d+)*))? # an optional denominator + | # or + (?:\.(?P<decimal>d*|\d+(_\d+)*))? # an optional fractional part + (?:E(?P<exp>[-+]?\d+(_\d+)*))? # and optional exponent ) - \s*\Z # and optional whitespace to finish + \s*\Z # and optional whitespace to finish """, re.VERBOSE | re.IGNORECASE) @@ -122,6 +122,7 @@ class Fraction(numbers.Rational): denominator = 1 decimal = m.group('decimal') if decimal: + decimal = decimal.replace('_', '') scale = 10**len(decimal) numerator = numerator * scale + int(decimal) denominator *= scale |