B °F.\)ã@sTddlmZmZmZddlmZmZddlmZGdd„deeƒƒZ iZ dd„Z dS) é)Úprint_functionÚdivisionÚabsolute_import)ÚABCMetaÚabstractmethod)Úwith_metaclassc@sTeZdZdZedd„ƒZedd„ƒZedd„ƒZedd „ƒZd d „Z ed d „ƒZ dS)ÚBackendzO A communication backend, selected by a given URI scheme (e.g. 'tcp'). cCsdS)zL Get a connector object usable for connecting to addresses. N©)Úselfr r ú8lib/python3.7/site-packages/distributed/comm/registry.pyÚ get_connectorszBackend.get_connectorcKsdS)zJ Get a listener object for the scheme-less address *loc*. Nr )r ÚlocZ handle_commZ deserializeZconnection_argsr r r Ú get_listenerszBackend.get_listenercCsdS)zš Get a host name (normally an IP address) identifying the host the address is located on. *loc* is a scheme-less address. Nr )r r r r r Úget_address_hostszBackend.get_address_hostcCsdS)z  Resolve the address into a canonical form. *loc* is a scheme-less address. Simple implementations may return *loc* unchanged. Nr )r r r r r Úresolve_address%szBackend.resolve_addresscCst‚dS)zŽ Get the (host, port) tuple of the scheme-less address *loc*. This should only be implemented by IP-based transports. N)ÚNotImplementedError)r r r r r Úget_address_host_port.szBackend.get_address_host_portcCsdS)zN Get the local listening address suitable for reaching *loc*. Nr )r r r r r Úget_local_address_for5szBackend.get_local_address_forN) Ú__name__Ú __module__Ú __qualname__Ú__doc__rr rrrrrr r r r rs    rcCs*t |¡}|dkr&td|ttƒfƒ‚|S)z: Get the Backend instance for the given *scheme*. Nz-unknown address scheme %r (known schemes: %s))ÚbackendsÚgetÚ ValueErrorÚsorted)ZschemeZbackendr r r Ú get_backend@s  rN) Z __future__rrrÚabcrrZsixrrrrr r r r Ús  5