2022-01-24 11:02:49 +01:00
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# (c) 2022 Exaloop Inc. All rights reserved.
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2021-09-27 14:02:44 -04:00
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def splitext(p: str) -> Tuple[str, str]:
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"""
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Split the extension from a pathname.
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Extension is everything from the last dot to the end, ignoring
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leading dots. Returns "(root, ext)"; ext may be empty."""
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2022-01-24 11:02:49 +01:00
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sep = "/"
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extsep = "."
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2021-09-27 14:02:44 -04:00
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sepIndex = p.rfind(sep)
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dotIndex = p.rfind(extsep)
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if dotIndex > sepIndex:
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# skip all leading dots
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filenameIndex = sepIndex + 1
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while filenameIndex < dotIndex:
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2022-01-24 11:02:49 +01:00
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if p[filenameIndex : filenameIndex + 1] != extsep:
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2021-09-27 14:02:44 -04:00
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return p[:dotIndex], p[dotIndex:]
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filenameIndex += 1
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return p, p[:0]
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