def connectable(line, handle, element):
connector = Connector(element, line)
for port in element.ports():
allow = connector.allow(handle, port)
if allow:
return True
return False
def allow(self, line, handle, item, port=None):
"""Glue line's handle to an item.
If port is not provided, then first port is used.
"""
if port is None and len(item.ports()) > 0:
port = item.ports()[0]
adapter = Connector(item, line)
return adapter.allow(handle, port)
def allow(self, sink):
adapter = Connector(sink.item, self.item)
return adapter and adapter.allow(self.handle, sink.port)
def allow(line, handle, item, port=None) -> bool:
if port is None and len(item.ports()) > 0:
port = item.ports()[0]
adapter = Connector(item, line)
return adapter.allow(handle, port)
def test_connection_is_allowed(diagram, block_item, proxy_port_item):
connector = Connector(block_item, proxy_port_item)
assert isinstance(connector, BlockProperyProxyPortConnector)
assert connector.allow(proxy_port_item.handles()[0], block_item.ports()[0])