[ python-Bugs-1748064 ] inspect.getargspec fails on built-in or slot wrapper methods

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Bugs item #1748064, was opened at 2007-07-04 14:22
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Category: Python Library
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Michael A. Hawker (hawkerm)
Assigned to: Nobody/Anonymous (nobody)
Summary: inspect.getargspec fails on built-in or slot wrapper methods

Initial Comment:
Hi, I'm new here, but I'm running into a little trouble with complex introspection techniques.

I'm using Windows XP SP2 on an AMD64 chip.

Tying to do some introspection on base types provides little information about the function as getargspec will not accept the slot wrapper or a built-in function as an argument (see attached interpreter trace).

i.e. when trying to analyze functions such as list.remove, list.__getitem__, len, etc...

This seems like abnormal behavior as it seems contrary as these are methods and functions, and the help function (while only providing the doc string) still provides information about the function, only in a different harder to parse format.

Do I need to make a stronger argument?  It would be very useful for the work I'm doing.

Attached is a trace of various scenarios involving this issue and how it seems contrary to the expected behavior.

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1748064&group_id=5470