37 lines
703 B
Python
Executable File
37 lines
703 B
Python
Executable File
#!/usr/bin/python3
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# PoC
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# add a new entry and remove a random old entry with a probability
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# depending on the target size
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import argparse
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import json
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import random
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import time
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ap = argparse.ArgumentParser()
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ap.add_argument("--targetsize", type=int, default=1000)
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ap.add_argument("file")
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ap.add_argument("value", type=float)
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args = ap.parse_args()
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ts = []
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try:
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with open(args.file) as f:
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ts = json.load(f)
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except FileNotFoundError as e:
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pass # Ok, will create
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now = time.time()
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ts.append((now, args.value))
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if random.random() > 1 - len(ts) / args.targetsize:
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i = random.randrange(0, len(ts))
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ts.pop(i)
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with open(args.file, "w") as f:
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json.dump(ts, f)
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print(len(ts))
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