ID Collisions

collisions.ipynb

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   "source": [
    "import uuid\n",
    "from typing import Callable\n",
    "\n",
    "def test_collisions(name_gen_func: Callable, number_of_iterations: int) -> int:\n",
    "    \"\"\"Returns number of collisions given a name generating function and number iterations to perform.\"\"\"\n",
    "    collisions: int = 0\n",
    "    unique_names: set[str] = set()\n",
    "    for i in range(0, number_of_iterations):\n",
    "        name = name_gen_func()\n",
    "        if name in unique_names:\n",
    "            collisions += 1\n",
    "        else:\n",
    "            unique_names.add(name)\n",
    "    return collisions"
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   "source": [
    "def short_uuid() -> str:\n",
    "    return str(uuid.uuid4())[:8]\n",
    "\n",
    "print(short_uuid())\n",
    "print(test_collisions(short_uuid, 10_000))\n",
    "print(test_collisions(short_uuid, 100_000))\n",
    "print(test_collisions(short_uuid, 1_000_000))"
   ]
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   "source": [
    "def medium_uuid() -> str:\n",
    "    s = str(uuid.uuid4())\n",
    "    return s.replace(\"-\", \"\")[:10]\n",
    "\n",
    "print(medium_uuid())\n",
    "print(test_collisions(medium_uuid, 10_000))\n",
    "print(test_collisions(medium_uuid, 100_000))\n",
    "print(test_collisions(medium_uuid, 1_000_000))\n",
    "print(test_collisions(medium_uuid, 5_000_000))"
   ]
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