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import grpclib.server
class Handler(grpclib.server.Handler):
def __init__(self, headers, *args, **kwargs):
self.headers = headers
super(Handler, self).__init__(*args, **kwargs)
def accept(self, stream, headers, release_stream):
for k, v in self.headers.items():
headers.setdefault(k, v)
class Server(grpclib.server.Server):
headers = {}
def add_headers(self, h):
self.headers.update(h)
def _protocol_factory(self):
self.__gc_step__()
handler = Handler(
self.headers, self._mapping, self._codec, loop=self._loop
)
self._handlers.add(handler)
return grpclib.server.H2Protocol(
handler, self._config, loop=self._loop
)
class Attachable(object):
def register(self, grpc_server):
grpc_server._mapping.update(self.__mapping__())
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