def attach_dummy_node(node, name, object=_marker):
"""create a dummy node and register it in the locals of the given
node with the specified name
"""
enode = EmptyNode()
enode.object = object
_attach_local_node(node, enode, name)
def _base_class_object_build(node, member, basenames, name=None, localname=None):
"""create astroid for a living class object, with a given set of base names
(e.g. ancestors)
"""
klass = build_class(name or getattr(member, '__name__', None) or localname,
basenames, member.__doc__)
klass._newstyle = isinstance(member, type)
node.add_local_node(klass, localname)
try:
# limit the instantiation trick since it's too dangerous
# (such as infinite test execution...)
# this at least resolves common case such as Exception.args,
# OSError.errno
if issubclass(member, Exception):
instdict = member().__dict__
else:
raise TypeError
except:
pass
else:
for name, obj in instdict.items():
valnode = EmptyNode()
valnode.object = obj
valnode.parent = klass
valnode.lineno = 1
klass.instance_attrs[name] = [valnode]
return klass
def _base_class_object_build(node,
member,
basenames,
name=None,
localname=None):
"""create astroid for a living class object, with a given set of base names
(e.g. ancestors)
"""
klass = build_class(name or getattr(member, '__name__', None) or localname,
basenames, member.__doc__)
klass._newstyle = isinstance(member, type)
node.add_local_node(klass, localname)
try:
# limit the instantiation trick since it's too dangerous
# (such as infinite test execution...)
# this at least resolves common case such as Exception.args,
# OSError.errno
if issubclass(member, Exception):
instdict = member().__dict__
else:
raise TypeError
except:
pass
else:
for name, obj in instdict.items():
valnode = EmptyNode()
valnode.object = obj
valnode.parent = klass
valnode.lineno = 1
klass.instance_attrs[name] = [valnode]
return klass
def attach_dummy_node(node, name, object=_marker):
"""create a dummy node and register it in the locals of the given
node with the specified name
"""
enode = EmptyNode()
enode.object = object
_attach_local_node(node, enode, name)
def test_empty_node() -> None:
enum_mod = extract_node("import enum")
empty = EmptyNode(parent=enum_mod)
empty.is_statement = True
filtered_statements = _filter_stmts(empty, [empty.statement(future=True)],
empty.frame(future=True), 0)
assert filtered_statements[0] is empty