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* Rename "Signals" to "_signals" making it non-public.

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* Context.create_decimal can take a zero default just like Decimal().
* Fix typo in comment.
This commit is contained in:
Raymond Hettinger 2004-07-14 15:41:57 +00:00
parent b60b242d29
commit fed52963fc
2 changed files with 13 additions and 8 deletions
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13
Lib/decimal.py
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@ -120,7 +120,6 @@ __all__ = [
# Constants for use in setting up contexts
'ROUND_DOWN', 'ROUND_HALF_UP', 'ROUND_HALF_EVEN', 'ROUND_CEILING',
'ROUND_FLOOR', 'ROUND_UP', 'ROUND_HALF_DOWN',
'Signals', # <-- Used for building trap/flag dictionaries
# Functions for manipulating contexts
'setcontext', 'getcontext'
@ -368,7 +367,7 @@ class Underflow(Inexact, Rounded, Subnormal):
"""
# List of public traps and flags
Signals = [Clamped, DivisionByZero, Inexact, Overflow, Rounded,
_signals = [Clamped, DivisionByZero, Inexact, Overflow, Rounded,
Underflow, InvalidOperation, Subnormal]
# Map conditions (per the spec) to signals
@ -2120,9 +2119,9 @@ class Context(object):
capitals=None, _clamp=0,
_ignored_flags=[]):
if not isinstance(flags, dict):
flags = dict([(s,s in flags) for s in Signals])
flags = dict([(s,s in flags) for s in _signals])
if traps is not None and not isinstance(traps, dict):
traps = dict([(s,s in traps) for s in Signals])
traps = dict([(s,s in traps) for s in _signals])
for name, val in locals().items():
if val is None:
setattr(self, name, copy.copy(getattr(DefaultContext, name)))
@ -2175,7 +2174,7 @@ class Context(object):
def _ignore_all_flags(self):
"""Ignore all flags, if they are raised"""
return self._ignore_flags(*Signals)
return self._ignore_flags(*_signals)
def _ignore_flags(self, *flags):
"""Ignore the flags, if they are raised"""
@ -2244,7 +2243,7 @@ class Context(object):
self.rounding= type
return rounding
def create_decimal(self, num):
def create_decimal(self, num='0'):
"""Creates a new Decimal instance but using self as context."""
d = Decimal(num, context=self)
return d._fix(context=self)
@ -2950,7 +2949,7 @@ def _isnan(num):
##### Setup Specific Contexts ################################
# The default context prototype used by Context()
# Is mutable, so than new contexts can have different default values
# Is mutable, so that new contexts can have different default values
DefaultContext = Context(
prec=28, rounding=ROUND_HALF_EVEN,