rust2rpm/rust2rpm/licensing.py

71 lines
2.2 KiB
Python

import os
import csv
import functools
from . import log
SPDX_TO_FEDORA_CSV = os.path.dirname(__file__) + "/spdx_to_fedora.csv"
def translate_slashes(license):
"Replace all slashes with OR, emit warning"
split = [l.strip() for l in license.split("/")]
if len(split) > 1:
log.info('Upstream uses deprecated "/" syntax. Replacing with "OR"')
return " OR ".join(split)
@functools.lru_cache()
def spdx_to_fedora_map():
with open(SPDX_TO_FEDORA_CSV, newline="") as f:
reader = csv.DictReader(f)
return {
line["SPDX License Identifier"]: line["Fedora Short Name"]
for line in reader
if line["SPDX License Identifier"]
}
def dump_sdpx_to_fedora_map(file):
for k, v in spdx_to_fedora_map().items():
print(f"{k}{v}", file=file)
def translate_license_fedora(license):
comments = []
final = []
for tag in license.split():
# We accept all variant cases, but output lowercase which is what Fedora LicensingGuidelines specify
if tag.upper() == "OR":
final.append("or")
elif tag.upper() == "AND":
final.append("and")
else:
if tag.endswith("+"):
key = tag[:-1] + "-or-later"
fulltag = f"{tag} ({key})"
else:
key = fulltag = tag
mapped = spdx_to_fedora_map().get(key, None)
if mapped is None:
comments += [f"# FIXME: Upstream uses unknown SPDX tag {fulltag}!"]
final.append(tag)
elif mapped == "":
comments += [
f"# FIXME: Upstream SPDX tag {fulltag} not listed in Fedora's good licenses list.",
"# FIXME: This package might not be allowed in Fedora!",
]
final.append(tag)
else:
final.append(mapped)
if mapped != tag:
log.info(f"Upstream license tag {fulltag!r} translated to {mapped!r}.")
return (" ".join(final), "\n".join(comments) or None)
def translate_license(target, license):
license = translate_slashes(license)
if target in {"mageia"}:
return translate_license_fedora(license)
return license, None