def attr___annotations__(self):
obj = node_classes.Dict(parent=self._instance)
if not self._instance.returns:
returns = None
else:
returns = self._instance.returns
args = self._instance.args
pair_annotations = itertools.chain(
zip(args.args or [], args.annotations),
zip(args.kwonlyargs, args.kwonlyargs_annotations),
zip(args.posonlyargs or [], args.posonlyargs_annotations),
)
annotations = {
arg.name: annotation for (arg, annotation) in pair_annotations if annotation
}
if args.varargannotation:
annotations[args.vararg] = args.varargannotation
if args.kwargannotation:
annotations[args.kwarg] = args.kwargannotation
if returns:
annotations["return"] = returns
items = [
(node_classes.Const(key, parent=obj), value)
for (key, value) in annotations.items()
]
obj.postinit(items)
return obj
def _dunder_dict(instance, attributes):
obj = node_classes.Dict(parent=instance)
# Convert the keys to node strings
keys = [
node_classes.Const(value=value, parent=obj) for value in list(attributes.keys())
]
# The original attribute has a list of elements for each key,
# but that is not useful for retrieving the special attribute's value.
# In this case, we're picking the last value from each list.
values = [elem[-1] for elem in attributes.values()]
obj.postinit(list(zip(keys, values)))
return obj
def attr___kwdefaults__(self):
def _default_args(args, parent):
for arg in args.kwonlyargs:
try:
default = args.default_value(arg.name)
except NoDefault:
continue
name = node_classes.Const(arg.name, parent=parent)
yield name, default
args = self._instance.args
obj = node_classes.Dict(parent=self._instance)
defaults = dict(_default_args(args, obj))
obj.postinit(list(defaults.items()))
return obj
def attr___dict__(self):
return node_classes.Dict(parent=self._instance)