Edit

[EDIT] FILE: logging_protocol.py

import asyncio

class LoggingProtocol(asyncio.Protocol):
    def __init__(self, logger, network_logger, real_protocol):
        self._logger = logger
        self._network_logger = network_logger
        self._real_protocol = real_protocol

def connection_made(self, transport):
        self._network_logger.debug("Connection made.")
        self._handle(lambda: self._real_protocol.connection_made(transport))

def connection_lost(self, exc):
        self._network_logger.debug("Connection lost.")
        self._handle(lambda: self._real_protocol.connection_lost(exc))

def datagram_received(self, data, addr):
        self._network_logger.debug("datagram_received: {!r}".format(data))
        self._handle(lambda: self._real_protocol.datagram_received(data, addr))

def data_received(self, data):
        self._network_logger.debug("data_received: {!r}".format(data))
        self._handle(lambda: self._real_protocol.data_received(data))

def _handle(self, impl):
        try:
            impl()
        except Exception as e:
            self._logger.exception(str(e))

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