python - Detect argument passing convention of a C library function -


with pure python functions can pass arguments either order (e.g. foo(1, 2, 3)) or name (e.g. foo(a=1, c=3, b=2)).

functions defined in c modules can use either convention. cannot range(stop=10, step=2), , not functions implemented using c interface.

is there way determine argument passing convention of function within python?

it appears open bug: there no way tell this. also, issue implementation-dependent: code might work in (for example) pypy, though can't confirm this.

the devs on bug page aren't sure whether change documentation style or implementation, impression it's not pressing issue them either way.


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