24 lines
777 B
Python
24 lines
777 B
Python
"""
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This file contains functions for dynamic naming of objects.
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Author(s): David Marchant
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"""
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from typing import List
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from random import SystemRandom
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from core.correctness.vars import CHAR_LOWERCASE, CHAR_UPPERCASE
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#TODO Make this guaranteed unique
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def generate_id(prefix:str="", length:int=16, existing_ids:List[str]=[],
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charset:str=CHAR_UPPERCASE+CHAR_LOWERCASE, attempts:int=24):
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random_length = max(length - len(prefix), 0)
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for _ in range(attempts):
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id = prefix + ''.join(SystemRandom().choice(charset)
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for _ in range(random_length))
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if id not in existing_ids:
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return id
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raise ValueError(f"Could not generate ID unique from '{existing_ids}' "
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f"using values '{charset}' and length of '{length}'.")
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