memory debug for python

memory_watcher.py

import os
import psutil  # pip install psutil
import logging
import asyncio

process = psutil.Process(os.getpid())


async def watch_memory():
    last_mem = 0
    while True:
        mem = process.memory_info().rss
        if mem != last_mem:
            logging.info(f"{mem:,} B")
            last_mem = mem
        await asyncio.sleep(0.1)


asyncio.run_coroutine_threadsafe(watch_memory(), asyncio.get_event_loop())

# import memory_watcher