15 lines
416 B
Python
15 lines
416 B
Python
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import re
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_NON_SLUG = re.compile(r"[^a-z0-9]+")
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_DASHES = re.compile(r"-+")
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def slugify(value: str, *, max_length: int = 100) -> str:
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slug = _NON_SLUG.sub("-", value.strip().lower())
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slug = _DASHES.sub("-", slug).strip("-")
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if not slug:
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raise ValueError("slug cannot be empty")
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if max_length < 1:
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raise ValueError("max_length must be >= 1")
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return slug[:max_length].strip("-")
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