Coverage for rust2rpm/licensing.py: 75%

1import os 

2import csv 

3import functools 

4from typing import Optional 

5 

6from rust2rpm import log 

7 

8SPDX_TO_FEDORA_CSV = os.path.dirname(__file__) + "/spdx_to_fedora.csv" 

9 

10 

11def translate_slashes(license: str) -> str: 

12 "Replace all slashes with OR, emit warning" 

13 split = [part.strip() for part in license.split("/")] 

14 if len(split) > 1: 14 ↛ 15line 14 didn't jump to line 15 because the condition on line 14 was never true

15 log.info('Upstream uses deprecated "/" syntax. Replacing with "OR"') 

16 return " OR ".join(split) 

17 

18 

19@functools.lru_cache() 

20def spdx_to_fedora_map() -> dict[str, str]: 

21 with open(SPDX_TO_FEDORA_CSV, newline="") as f: 

22 reader = csv.DictReader(f) 

23 return { 

24 line["SPDX License Identifier"]: line["Fedora Short Name"] 

25 for line in reader 

26 if line["SPDX License Identifier"] 

27 } 

28 

29 

30def dump_sdpx_to_fedora_map(file): 

31 for k, v in spdx_to_fedora_map().items(): 

32 print(f"{k} → {v}", file=file) 

33 

34 

35def translate_license_fedora(license: str) -> tuple[str, Optional[str]]: 

36 comments = [] 

37 final = [] 

38 for tag in license.split(): 

39 # We accept all variant cases, but output lowercase which is what Fedora LicensingGuidelines specify 

40 if tag.upper() == "OR": 

41 final.append("or") 

42 elif tag.upper() == "AND": 42 ↛ 43line 42 didn't jump to line 43 because the condition on line 42 was never true

43 final.append("and") 

44 else: 

45 if tag.endswith("+"): 45 ↛ 46line 45 didn't jump to line 46 because the condition on line 45 was never true

46 key = tag[:-1] + "-or-later" 

47 fulltag = f"{tag} ({key})" 

48 else: 

49 key = fulltag = tag 

50 

51 mapped = spdx_to_fedora_map().get(key, None) 

52 if mapped is None: 52 ↛ 53line 52 didn't jump to line 53 because the condition on line 52 was never true

53 comments += [f"# FIXME: Upstream uses unknown SPDX tag {fulltag}!"] 

54 final.append(tag) 

55 elif mapped == "": 55 ↛ 56line 55 didn't jump to line 56 because the condition on line 55 was never true

56 comments += [ 

57 f"# FIXME: Upstream SPDX tag {fulltag} not listed in Fedora's good licenses list.", 

58 "# FIXME: This package might not be allowed in Fedora!", 

59 ] 

60 final.append(tag) 

61 else: 

62 final.append(mapped) 

63 if mapped != tag: 

64 log.info(f"Upstream license tag {fulltag!r} translated to {mapped!r}.") 

65 return (" ".join(final), "\n".join(comments) or None) 

66 

67 

68def translate_license(target: str, license: str) -> tuple[str, Optional[str]]: 

69 license = translate_slashes(license) 

70 if target in {"mageia"}: 

71 return translate_license_fedora(license) 

72 return license, None