test if bistruct.c.compile has a memory leak

bistruct_c_compile_memtest.py

import time
import tracemalloc

import bitstruct

STAT_PERIOD = 5  # seconds

little_fmt = 'u24'
names=['requested_pgn']

start = time.perf_counter()
prev_stat_time = time.perf_counter()
prev_snapshot = tracemalloc.take_snapshot()

tracemalloc.start()

while True:
    if time.perf_counter() - prev_stat_time > STAT_PERIOD:
        snapshot = tracemalloc.take_snapshot()
        top_stats = snapshot.compare_to(prev_snapshot, 'lineno')
        print(f"\nrun time: {round(time.perf_counter() -start)} seconds")
        print(f"[ Top 10 differences:]")
        for stat in top_stats[:10]:
            print(stat)
        prev_snapshot = snapshot
        prev_stat_time = time.perf_counter()
    
    bitstruct.c.compile(little_fmt, names)