mirror of
https://github.com/Alexander-D-Karpov/akarpov
synced 2024-11-30 23:33:43 +03:00
19 lines
523 B
Python
19 lines
523 B
Python
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import string
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from redirect.settings import settings
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URL_CHARACTERS = list(string.ascii_letters + string.digits + ";,:@&-_.!~*'()#")
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SLUG_CUTOFF = settings.redirect_slug_cutoff
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def slug_to_link_id(slug: str) -> int:
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"""Converts given slug to an id of a link."""
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link_id = 0
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try:
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for i, ch in enumerate(slug[:SLUG_CUTOFF - 1:-1]): # fmt: skip
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value = URL_CHARACTERS.index(ch)
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link_id += value * len(URL_CHARACTERS) ** i
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except ValueError:
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pass
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return link_id
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