select_matching_signature(funcs, *args, **kwargs)
funcs is a list of functions which should not raise any exception (other than :None:None:`TypeError` if the arguments passed do not match their signature).
select_matching_signature
tries to call each of the functions in funcs with *args, **kwargs
(in the order in which they are given). Calls that fail with a :None:None:`TypeError` are silently skipped. As soon as a call succeeds, select_matching_signature
returns its return value. If no function accepts *args, **kwargs
, then the :None:None:`TypeError` raised by the last failing call is re-raised.
Callers should normally make sure that any *args, **kwargs
can only bind a single func (to avoid any ambiguity), although this is not checked by select_matching_signature
.
select_matching_signature
is intended to help implementing signature-overloaded functions. In general, such functions should be avoided, except for back-compatibility concerns. A typical use pattern is ::
Select and call the function that accepts *args, **kwargs
.
The following pages refer to to this document either explicitly or contain code examples using this.
matplotlib._api.select_matching_signature
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