Evil hack of the day
Dan Eble
eble at ticalc.org
Wed May 26 21:46:42 EDT 1999
On 26 May, Neel Krishnaswami wrote in comp.lang.python:
NK> This leads to the evil version:
NK>
NK> >>> def evil(n=0):
NK> ... n = n + 1
NK> ... globals()['evil'].func_defaults = (n,)
NK> ... return n
NK> ...
That doesn't work for me. Observe,
Python 1.5.1 (#1, Mar 21 1999, 22:49:36) [GCC egcs-2.91.66 19990314/Li on
linux-i386
Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam
>>> def evil(n=0):
... n = n + 1
... globals()['evil'].func_defaults = (n,)
... return n
...
>>> evil()
Traceback (innermost last):
File "<stdin>", line 1, in ?
File "<stdin>", line 3, in evil
TypeError: object has read-only attributes
--
Dan Eble <eble at ticalc.org> [My other .sig's a four-liner.]
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