def _is_document_field(node):
"""Checks if a node is a valid document field."""
try:
inf = next(node.get_children()).inferred()[0]
except InferenceError:
return False
return node_is_document(inf) and name_is_from_model(node.attrname)
def visit_call(self, node):
children = node.get_children()
attr = next(children)
meth = safe_infer(attr)
if meth:
return False
last_child = attr.last_child()
if last_child is None:
return False
attr_self = safe_infer(last_child)
cls = getattr(attr_self, '_proxied', None)
if node_is_subclass(
cls, *
DOCUMENT_BASES) and not name_is_from_model(attr.attrname):
self.add_message('no-member',
node=attr,
args=('Document', cls.name, attr.attrname, ''))
def test_name_is_from_model_false():
attrname = 'who_are_you'
r = utils.name_is_from_model(attrname)
assert r is False
def test_name_is_from_model_true():
attrname = 'delete'
r = utils.name_is_from_model(attrname)
assert r is True