def handle_any_string(
self, node: Union[cst.SimpleString,
cst.ConcatenatedString]) -> None:
value = node.evaluated_value
if value is None:
return
mod = cst.parse_module(value)
extracted_nodes = m.extractall(
mod,
m.Name(
value=m.SaveMatchedNode(m.DoNotCare(), "name"),
metadata=m.MatchMetadataIfTrue(
cst.metadata.ParentNodeProvider,
lambda parent: not isinstance(parent, cst.Attribute),
),
)
| m.SaveMatchedNode(m.Attribute(), "attribute"),
metadata_resolver=MetadataWrapper(mod, unsafe_skip_copy=True),
)
names = {
cast(str, values["name"])
for values in extracted_nodes if "name" in values
} | {
name
for values in extracted_nodes if "attribute" in values
for name, _ in cst.metadata.scope_provider._gen_dotted_names(
cast(cst.Attribute, values["attribute"]))
}
self.names.update(names)
def test_extractall_simple(self) -> None:
expression = cst.parse_expression("a + b[c], d(e, f * g, h.i.j)")
matches = extractall(expression, m.Arg(m.SaveMatchedNode(~m.Name(), "expr")))
extracted_args = cst.ensure_type(
cst.ensure_type(expression, cst.Tuple).elements[1].value, cst.Call
).args
self.assertEqual(
matches,
[{"expr": extracted_args[1].value}, {"expr": extracted_args[2].value}],
)
def __get_var_names_counter(self, node, scope):
vars_name = match.extractall(
node,
match.OneOf(
match.AssignTarget(target=match.SaveMatchedNode(
match.Name(value=match.DoNotCare()), "name")),
match.AnnAssign(target=match.SaveMatchedNode(
match.Name(value=match.DoNotCare()), "name"))))
return Counter([
n['name'].value for n in vars_name if isinstance(
self.get_metadata(cst.metadata.ScopeProvider, n['name']),
scope)
])