33 lines
1 KiB
Python
33 lines
1 KiB
Python
from astroid import MANAGER, arguments, nodes, inference_tip, UseInferenceDefault
|
|
|
|
|
|
def infer_namespace(node, context=None):
|
|
callsite = arguments.CallSite.from_call(node)
|
|
if not callsite.keyword_arguments:
|
|
# Cannot make sense of it.
|
|
raise UseInferenceDefault()
|
|
|
|
class_node = nodes.ClassDef("Namespace", "docstring")
|
|
class_node.parent = node.parent
|
|
for attr in set(callsite.keyword_arguments):
|
|
fake_node = nodes.EmptyNode()
|
|
fake_node.parent = class_node
|
|
fake_node.attrname = attr
|
|
class_node.instance_attrs[attr] = [fake_node]
|
|
return iter((class_node.instantiate_class(),))
|
|
|
|
|
|
def _looks_like_namespace(node):
|
|
func = node.func
|
|
if isinstance(func, nodes.Attribute):
|
|
return (
|
|
func.attrname == "Namespace"
|
|
and isinstance(func.expr, nodes.Name)
|
|
and func.expr.name == "argparse"
|
|
)
|
|
return False
|
|
|
|
|
|
MANAGER.register_transform(
|
|
nodes.Call, inference_tip(infer_namespace), _looks_like_namespace
|
|
)
|