Larry Hastings added the comment:
"sys.maxsize" won't work. inspect.Signature parses the __text_signature__
using ast.parse, and it only recognizes constant values and named constants
(True/False/None) for the default value for parameters. Playing with ast, it
looks like we'd have to support a tree of Attribute nodes, then look up sys (or
whatever) and recursively getattr on it. Which would be new code.
Anyway it seems like a bad idea:
import inspect
import re
import sys
sys.maxsize = 3
inspect.signature(re.compile(".*").match)
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue20144>
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