greg wrote:
> > - What should the argument to dict() be? A list of (key, value)
> > pairs, a list of alternating keys and values, or something else?
>
> I love /F's suggestion
>
> dict(k=v, k=v, ...)
>
> but that's icing on the cake -- cool feature, looks pretty, etc.
note that the python interpreter builds that dictionary for
you if you use the METH_KEYWORDS flag...
> I think the real answer should be
>
> dict(k, v, k, v)
>
> like Jython.
given that Jython already gives a meaning to dict with more
than one argument, I suggest:
dict(d) # consistency
dict(k, v, k, v, ...) # jython compatibility
dict(*[k, v, k, v, ...]) # convenience
dict(k=v, k=v, ...) # common pydiom
and maybe:
dict(d.items()) # symmetry
> If both can be supported, that would be swell.
how about:
if (PyTuple_GET_SIZE(args)) {
assert PyDict_GET_SIZE(kw) == 0
if (PyTuple_GET_SIZE(args) == 1) {
args = PyTuple_GET_ITEM(args, 0);
if (PyDict_Check(args))
dict = args.copy()
else if (PySequence_Check(args))
dict = {}
for k, v in args:
dict[k] = v
} else {
assert (PySequence_Size(args) & 0) == 0 # maybe
dict = {}
for i in range(len(args)):
dict[args[i]] = args[i+1]
}
} else {
assert PyDict_GET_SIZE(kw) > 0 # probably
dict = kw
}
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