36 lines
1005 B
Python
36 lines
1005 B
Python
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import re
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from urllib.parse import urlparse
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from ontocast.util import CONVENTIONAL_MAPPINGS
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def derive_ontology_id(iri: str) -> str | None:
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if not isinstance(iri, str) or not iri.strip():
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return None
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normalized_iri = iri.strip().rstrip("/#")
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if normalized_iri in CONVENTIONAL_MAPPINGS:
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return CONVENTIONAL_MAPPINGS[normalized_iri]
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parsed = urlparse(normalized_iri)
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candidate = (
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parsed.path.rsplit("/", 1)[-1]
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if parsed.path and "/" in parsed.path
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else parsed.netloc.split(".")[0]
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if parsed.netloc
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else normalized_iri
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)
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return _clean_derived_id(candidate)
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def _clean_derived_id(value: str) -> str | None:
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value = re.sub(r"\.(owl|ttl|rdf|xml)$", "", value, flags=re.IGNORECASE)
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match = re.match(r"^(.*?)\.(org|com|net|io|edu|gov|int|mil)$", value, re.IGNORECASE)
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if match:
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value = match.group(1)
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result = re.sub(r"[^a-zA-Z0-9_-]", "", value).lower()
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return result if result else None
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