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gh-99815: remove unused 'invalid' sentinel value and code that checks for it in inspect.signature parsing (GH-21104)

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Anthony Sottile 2022-11-27 06:01:02 -05:00 • committed by GitHub
parent d08fb25769
commit ac115b51e7
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1 changed files with 1 additions and 7 deletions
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8
Lib/inspect.py
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@ -2184,7 +2184,6 @@ def _signature_fromstr(cls, obj, s, skip_bound_arg=True):
parameters = [] parameters = []
empty = Parameter.empty empty = Parameter.empty
invalid = object()
module = None module = None
module_dict = {} module_dict = {}
@ -2234,17 +2233,12 @@ def _signature_fromstr(cls, obj, s, skip_bound_arg=True):
def p(name_node, default_node, default=empty): def p(name_node, default_node, default=empty):
name = parse_name(name_node) name = parse_name(name_node)
if name is invalid:
return None
if default_node and default_node is not _empty: if default_node and default_node is not _empty:
try: try:
default_node = RewriteSymbolics().visit(default_node) default_node = RewriteSymbolics().visit(default_node)
o = ast.literal_eval(default_node) default = ast.literal_eval(default_node)
except ValueError: except ValueError:
o = invalid
if o is invalid:
return None return None
default = o if o is not invalid else default
parameters.append(Parameter(name, kind, default=default, annotation=empty)) parameters.append(Parameter(name, kind, default=default, annotation=empty))
# non-keyword-only parameters # non-keyword-only parameters