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38 lines
1.0 KiB
Python
38 lines
1.0 KiB
Python
import hashlib
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from unidecode import unidecode
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def create_hash(*args: str, decode=False, limit=10) -> str:
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"""
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This function creates a case-insensitive, non-alphanumeric chars ignoring hash from the given arguments.
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Example use case:
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- Creating computable IDs for duplicate artists. eg. Juice WRLD and Juice Wrld should have the same ID.
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:param args: The arguments to hash.
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:param decode: Whether to decode the arguments before hashing.
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:param limit: The number of characters to return.
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:return: The hash.
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"""
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def remove_non_alnum(token: str) -> str:
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token = token.lower().strip().replace(" ", "")
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t = "".join(t for t in token if t.isalnum())
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if t == "":
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return token
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return t
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str_ = "".join(remove_non_alnum(t) for t in args)
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if decode:
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str_ = unidecode(str_)
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str_ = str_.encode("utf-8")
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str_ = hashlib.sha1(str_).hexdigest()
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# REVIEW Switched to sha1 hashlib.sha256(str_).hexdigest()
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return str_[-limit:]
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