Change parameters of a function in Python

Question

Is it possible (and if so, how) to change the parameters of a function after definition?

Example:

from inspect import signature
def f(a, b, c):
    print(a + b + c)

for i in signature(f).parameters:
    print(i)

changeparameters(f, "d", "e")
print()

for i in signature(f).parameters:
    print(i)

Would output:

a
b
c

d
e

Also curious: how do you want to call the function after it has been changed from taking 3 parameters to 2? — flornquake
– flornquake, Commented Sep 4, 2013 at 19:17
I have realised I was going about a problem in completely the wrong way, and so I will close this question as I do not think it is helpful (I'm fairly sure it isn't possible, and for good reason, it doesn't make sense). — rlms
– rlms, Commented Oct 5, 2013 at 16:10
This question appears to be off-topic because it is unanswerable. — rlms
– rlms, Commented Oct 5, 2013 at 16:11

Steve Barnes · Accepted Answer · 2013-09-04 18:39:56Z

2

Just re def the function name with the new parameters - since the will not be used by the original you would need to anyway.

answered Sep 4, 2013 at 18:39

Steve Barnes

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