diff options
Diffstat (limited to 'Lib/decimal.py')
| -rw-r--r-- | Lib/decimal.py | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/Lib/decimal.py b/Lib/decimal.py index 9f77b24..d9c3f10 100644 --- a/Lib/decimal.py +++ b/Lib/decimal.py @@ -114,10 +114,8 @@ __all__ = [ 'DefaultContext', 'BasicContext', 'ExtendedContext', # Exceptions - 'DecimalException', 'Clamped', 'InvalidOperation', 'ConversionSyntax', - 'DivisionByZero', 'DivisionImpossible', 'DivisionUndefined', - 'Inexact', 'InvalidContext', 'Rounded', 'Subnormal', 'Overflow', - 'Underflow', + 'DecimalException', 'Clamped', 'InvalidOperation', 'DivisionByZero', + 'Inexact', 'Rounded', 'Subnormal', 'Overflow', 'Underflow', # Constants for use in setting up contexts 'ROUND_DOWN', 'ROUND_HALF_UP', 'ROUND_HALF_EVEN', 'ROUND_CEILING', @@ -211,12 +209,6 @@ class InvalidOperation(DecimalException): return Decimal( (args[1]._sign, args[1]._int, 'n') ) return NaN -# XXX Is there a logic error in subclassing InvalidOperation? -# Setting the InvalidOperation trap to zero does not preclude ConversionSyntax. -# Also, incrementing Conversion syntax flag will not increment InvalidOperation. -# Both of these issues interfere with cross-language portability because -# code following the spec would not know about the Python subclasses. - class ConversionSyntax(InvalidOperation): """Trying to convert badly formed string. @@ -1032,7 +1024,7 @@ class Decimal(object): if ans: return ans - resultsign = operator.xor(self._sign, other._sign) + resultsign = self._sign ^ other._sign if self._isinfinity(): if not other: return context._raise_error(InvalidOperation, '(+-)INF * 0') @@ -1126,7 +1118,7 @@ class Decimal(object): else: return ans - sign = operator.xor(self._sign, other._sign) + sign = self._sign ^ other._sign if not self and not other: if divmod: return context._raise_error(DivisionUndefined, '0 / 0', 1) @@ -2117,8 +2109,6 @@ class Context(object): _clamp - If 1, change exponents if too high (Default 0) """ - DefaultLock = threading.Lock() - def __init__(self, prec=None, rounding=None, trap_enablers=None, flags=None, _rounding_decision=None, @@ -2127,13 +2117,11 @@ class Context(object): _ignored_flags=[]): if flags is None: flags = dict.fromkeys(Signals, 0) - self.DefaultLock.acquire() for name, val in locals().items(): if val is None: setattr(self, name, copy.copy(getattr(DefaultContext, name))) else: setattr(self, name, val) - self.DefaultLock.release() del self.self def __repr__(self): |