pos_args = []; kw_args = {}

for k, arg in args_part.items():

if isinstance(k, int): pos_args.append(arg)

else: kw_args[k] = arg

bound_args = signature.bind(*pos_args, **kw_args)

missing_msg = "FMT:Did you define the {typestr}?",

params_not_matched_msg = "FMT:Something went wrong in figuring out how you specified the "

"arguments for `{name}`; have another look at your code and its output.",

expand_msg = MSG_PREPEND,

signature=True,

typestr = "{ordinal} function call `{name}()`",

state=None):

rep = Reporter.active_reporter

stu_out = state.student_function_calls

sol_out = state.solution_function_calls

fmt_kwargs = {'ordinal': get_ord(index+1),

'index': index,

'name': name}

fmt_kwargs['typestr'] = typestr.format(**fmt_kwargs)

# Get Parts ----

try:

stu_parts = stu_out[name][index]

except (KeyError, IndexError):

_msg = state.build_message(missing_msg, fmt_kwargs)

rep.do_test(Test(Feedback(_msg, state.highlight)))

sol_parts = sol_out[name][index]

# Signatures -----

if signature:

signature = None if isinstance(signature, bool) else signature

get_sig = partial(getSignatureInProcess, name=name, signature=signature,

manual_sigs = state.get_manual_sigs())

try:

sol_sig = get_sig(mapped_name=sol_parts['name'], process=state.solution_process)

sol_parts['args'], _ = bind_args(sol_sig, sol_parts['args'])

except:

raise ValueError("Something went wrong in matching call index {index} of {name} to its signature. "

"You might have to manually specify or correct the signature."

.format(index=index, name=name))

try:

stu_sig = get_sig(mapped_name=stu_parts['name'], process=state.student_process)

stu_parts['args'], _ = bind_args(stu_sig, stu_parts['args'])

except Exception as e:

_msg = state.build_message(params_not_matched_msg, fmt_kwargs)

rep.do_test(Test(Feedback(_msg, stu_parts['node'])))

# three types of parts: pos_args, keywords, args (e.g. these are bound to sig)

append_message = {'msg': expand_msg, 'kwargs': fmt_kwargs}

child = part_to_child(stu_parts, sol_parts, append_message, state, node_name='function_calls')