craftbeerpi4-pione/venv/lib/python3.8/site-packages/astroid/brain/brain_argparse.py

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, context=context)
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
)