def _supports_protocol(
value: astroid.node_classes.NodeNG, protocol_callback: astroid.FunctionDef
) -> bool:
if isinstance(value, astroid.ClassDef):
if not has_known_bases(value):
return True
# classobj can only be iterable if it has an iterable metaclass
meta = value.metaclass()
if meta is not None:
if protocol_callback(meta):
return True
if isinstance(value, astroid.BaseInstance):
if not has_known_bases(value):
return True
if value.has_dynamic_getattr():
return True
if protocol_callback(value):
return True
# TODO: this is not needed in astroid 2.0, where we can
# check the type using a virtual base class instead.
if (
isinstance(value, _bases.Proxy)
and isinstance(value._proxied, astroid.BaseInstance)
and has_known_bases(value._proxied)
):
value = value._proxied
return protocol_callback(value)
return False
def _supports_protocol(value: astroid.node_classes.NodeNG,
protocol_callback: astroid.FunctionDef) -> bool:
if isinstance(value, astroid.ClassDef):
if not has_known_bases(value):
return True
# classobj can only be iterable if it has an iterable metaclass
meta = value.metaclass()
if meta is not None:
if protocol_callback(meta):
return True
if isinstance(value, astroid.BaseInstance):
if not has_known_bases(value):
return True
if value.has_dynamic_getattr():
return True
if protocol_callback(value):
return True
# TODO: this is not needed in astroid 2.0, where we can
# check the type using a virtual base class instead.
if (isinstance(value, _bases.Proxy)
and isinstance(value._proxied, astroid.BaseInstance)
and has_known_bases(value._proxied)):
value = value._proxied
return protocol_callback(value)
return False
def _supports_protocol(
value: astroid.node_classes.NodeNG, protocol_callback: astroid.FunctionDef
) -> bool:
if isinstance(value, astroid.ClassDef):
if not has_known_bases(value):
return True
# classobj can only be iterable if it has an iterable metaclass
meta = value.metaclass()
if meta is not None:
if protocol_callback(meta):
return True
if isinstance(value, astroid.BaseInstance):
if not has_known_bases(value):
return True
if value.has_dynamic_getattr():
return True
if protocol_callback(value):
return True
if (
isinstance(value, astroid.bases.Proxy)
and isinstance(value._proxied, astroid.BaseInstance)
and has_known_bases(value._proxied)
):
value = value._proxied
return protocol_callback(value)
return False
