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bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-13700)

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Serhiy Storchaka 2019-06-01 11:00:15 +03:00 • committed by GitHub
parent 4a686504eb
commit 2085bd0877
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GPG key ID: 4AEE18F83AFDEB23
34 changed files with 126 additions and 261 deletions
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12
Lib/inspect.py
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@ -1329,14 +1329,12 @@ def _too_many(f_name, args, kwonly, varargs, defcount, given, values):
(f_name, sig, "s" if plural else "", given, kwonly_sig,
"was" if given == 1 and not kwonly_given else "were"))
def getcallargs(*func_and_positional, **named):
def getcallargs(func, /, *positional, **named):
"""Get the mapping of arguments to values.
A dict is returned, with keys the function argument names (including the
names of the * and ** arguments, if any), and values the respective bound
values from 'positional' and 'named'."""
func = func_and_positional[0]
positional = func_and_positional[1:]
spec = getfullargspec(func)
args, varargs, varkw, defaults, kwonlyargs, kwonlydefaults, ann = spec
f_name = func.__name__
@ -3027,19 +3025,19 @@ class Signature:
return self._bound_arguments_cls(self, arguments)
def bind(*args, **kwargs):
def bind(self, /, *args, **kwargs):
"""Get a BoundArguments object, that maps the passed `args`
and `kwargs` to the function's signature. Raises `TypeError`
if the passed arguments can not be bound.
"""
return args[0]._bind(args[1:], kwargs)
return self._bind(args, kwargs)
def bind_partial(*args, **kwargs):
def bind_partial(self, /, *args, **kwargs):
"""Get a BoundArguments object, that partially maps the
passed `args` and `kwargs` to the function's signature.
Raises `TypeError` if the passed arguments can not be bound.
"""
return args[0]._bind(args[1:], kwargs, partial=True)
return self._bind(args, kwargs, partial=True)
def __reduce__(self):
return (type(self),