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cfe406c 264ccc9 cfe406c 264ccc9 cfe406c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | """edm:rights classifier for the Europeana source (mixed per-record rights).
Dynaword principle = openly licensed. Allow only PD / CC0 / CC-BY / CC-BY-SA.
NC/ND are not open; InC / NoC-* / CNE are in-copyright or unclear -> drop.
Wire into build_dynaword.py only for europeana (per-record); other sources keep
their single per-source license.
"""
# ponytail: substring match on the rights URI — finite, well-known statement set
_OPEN = (
"creativecommons.org/publicdomain/mark", # Public Domain Mark
"creativecommons.org/publicdomain/zero", # CC0
"creativecommons.org/licenses/by/", # CC-BY
"creativecommons.org/licenses/by-sa/", # CC-BY-SA
)
def rights_ok(uri: str) -> bool:
u = (uri or "").lower().rstrip("/") + "/"
return any(tag in u for tag in _OPEN)
def spdx(uri: str) -> str:
u = (uri or "").lower()
if "publicdomain/zero" in u: return "CC0-1.0"
# PDM has no SPDX identifier. Use the explicit public-domain label that
# the source gate recognizes, while retaining the original rights URL in
# the record for legal traceability.
if "publicdomain/mark" in u: return "public-domain (PDM-1.0)"
if "/by-sa/" in u: return "CC-BY-SA-4.0"
if "/by/" in u: return "CC-BY-4.0"
return "UNKNOWN"
if __name__ == "__main__": # self-check
assert rights_ok("http://creativecommons.org/licenses/by-sa/4.0/")
assert rights_ok("https://creativecommons.org/publicdomain/mark/1.0/")
assert rights_ok("http://creativecommons.org/publicdomain/zero/1.0/")
assert not rights_ok("http://creativecommons.org/licenses/by-nc/4.0/")
assert not rights_ok("http://creativecommons.org/licenses/by-nd/4.0/")
assert not rights_ok("http://rightsstatements.org/vocab/InC/1.0/")
assert not rights_ok("http://rightsstatements.org/vocab/NoC-OKLR/1.0/")
assert not rights_ok("")
assert spdx("http://creativecommons.org/licenses/by-sa/4.0/") == "CC-BY-SA-4.0"
assert spdx("http://creativecommons.org/publicdomain/zero/1.0/") == "CC0-1.0"
assert spdx("http://creativecommons.org/publicdomain/mark/1.0/") == "public-domain (PDM-1.0)"
print("ok")
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