[issue19903] Idle: Use inspect.signature for calltips

[Terry J. Reedy]

Terry J. Reedy added the comment:

The above suggests that the change might be applied to 3.4.  The difference surprises me because #17481 patched getfullargspec() to 'use' signature() 'behind the scenes', so I expected the result to be the same.  It seems that 'use' does not mean what I thought.  My hesitation is that only some builtins have been converted to use Argument Clinic, and Idle currently treats builtins special to get the signature from the docstring.  Treating just some builting special will be slightly awkward.

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<http://bugs.python.org/issue19903>
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