from contextlib import asynccontextmanager

@asynccontextmanager
async def aclosing(thing):
    try:
        yield thing
    finally:
        await thing.aclose()

import asyncio
import inspect
from contextlib import asynccontextmanager

@asynccontextmanager
async def aclosing(thing):
    try:
        yield thing
    finally:
        close = thing.aclose()
        if inspect.isawaitable(close):
            await close

from lbry.dht.constants import generate_id
from lbry.dht.node import Node
from lbry.dht.peer import PeerManager
from lbry.extras.daemon.storage import SQLiteStorage
from lbry.conf import Config
import logging
logging.basicConfig(level=logging.DEBUG, format="%(asctime)s %(levelname)-4s %(name)s:%(lineno)d: %(message)s")
log = logging.getLogger(__name__)


async def do_it():
    loop = asyncio.get_event_loop()
    #loop.set_debug(True)
    conf = Config()
    print(str(conf))
    storage = SQLiteStorage(conf, ":memory:", loop, loop.time)
    await storage.open()
    node = Node(
        loop, PeerManager(loop), generate_id(), 4444, 4444, 4444, None,
        storage=storage
    )
    node.start(interface='0.0.0.0', known_node_urls=conf.known_dht_nodes)
    await asyncio.sleep(10)
    key = bytes.fromhex('2ecce30223bc2808bd10cf8e18f1cccecedf9fd35fcc370b9d15ad7473a59d3dc16e85a8f08a1891e668608d1660b8c7')
    while True:
        async with aclosing(node.get_iterative_value_finder(key=key, max_results=1)) as values:
            i = 0
            print('SEARCH---')
            async for _ in values:
                print(f'{i}: {_}')
                i += 1
                break
        print('PAUSE---')
        await asyncio.sleep(10)
    await asyncio.wait(asyncio.all_tasks())

if __name__ == '__main__':
    asyncio.run(do_it())

PAUSE---
SEARCH---

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