Trace all events on aiohttp with TraceConfig

traceconfig.py

import aiohttp
def generate_logger(name):
    async def logger(session, trace_config_ctx, params):
        print(name)
    return logger

trace_config = aiohttp.TraceConfig()
handlers = filter(lambda x: x.startswith("on_"), dir(trace_config))
for handler_name in handlers:
    getattr(trace_config, handler_name).append(generate_logger(handler_name))

session = aiohttp.ClientSession(json_serialize=ujson.dumps, trace_configs=[trace_config])