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@@ -2395,6 +2395,9 @@ class _ParameterKind(enum.IntEnum):
def __str__(self):
return self._name_
@property
def description(self):
return _PARAM_NAME_MAPPING[self]
_POSITIONAL_ONLY = _ParameterKind.POSITIONAL_ONLY
_POSITIONAL_OR_KEYWORD = _ParameterKind.POSITIONAL_OR_KEYWORD
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@@ -2410,8 +2413,6 @@ def __str__(self):
_VAR_KEYWORD: 'variadic keyword'
}
_get_paramkind_descr = _PARAM_NAME_MAPPING.__getitem__
class Parameter:
"""Represents a parameter in a function signature.
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@@ -2453,7 +2454,7 @@ def __init__(self, name, kind, *, default=_empty, annotation=_empty):
if default is not _empty:
if self._kind in (_VAR_POSITIONAL, _VAR_KEYWORD):
msg = '{} parameters cannot have default values'
msg = msg.format(_get_paramkind_descr(self._kind))
msg = msg.format(self._kind.description)
raise ValueError(msg)
self._default = default
self._annotation = annotation
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@@ -2475,7 +2476,7 @@ def __init__(self, name, kind, *, default=_empty, annotation=_empty):
'implicit arguments must be passed as '
'positional or keyword arguments, not {}'
)
msg = msg.format(_get_paramkind_descr(self._kind))
msg = msg.format(self._kind.description)
raise ValueError(msg)
self._kind = _POSITIONAL_ONLY
name = 'implicit{}'.format(name[1:])
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@@ -2751,8 +2752,8 @@ def __init__(self, parameters=None, *, return_annotation=_empty,
'wrong parameter order: {} parameter before {} '
'parameter'
)
msg = msg.format(_get_paramkind_descr(top_kind),
_get_paramkind_descr(kind))
msg = msg.format(top_kind.description,
kind.description)
raise ValueError(msg)
elif kind > top_kind:
kind_defaults = False
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