Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/pip/_internal/req/req_set.py: 45%

1import logging 

2from collections import OrderedDict 

3 

4from pip._vendor.packaging.utils import canonicalize_name 

5 

6from pip._internal.req.req_install import InstallRequirement 

7 

8logger = logging.getLogger(__name__) 

9 

10 

11class RequirementSet: 

12 def __init__(self, check_supported_wheels: bool = True) -> None: 

13 """Create a RequirementSet.""" 

14 

15 self.requirements: dict[str, InstallRequirement] = OrderedDict() 

16 self.check_supported_wheels = check_supported_wheels 

17 

18 self.unnamed_requirements: list[InstallRequirement] = [] 

19 

20 def __str__(self) -> str: 

21 requirements = sorted( 

22 (req for req in self.requirements.values() if not req.comes_from), 

23 key=lambda req: canonicalize_name(req.name or ""), 

24 ) 

25 return " ".join(str(req.req) for req in requirements) 

26 

27 def __repr__(self) -> str: 

28 requirements = sorted( 

29 self.requirements.values(), 

30 key=lambda req: canonicalize_name(req.name or ""), 

31 ) 

32 

33 format_string = "<{classname} object; {count} requirement(s): {reqs}>" 

34 return format_string.format( 

35 classname=self.__class__.__name__, 

36 count=len(requirements), 

37 reqs=", ".join(str(req.req) for req in requirements), 

38 ) 

39 

40 def add_unnamed_requirement(self, install_req: InstallRequirement) -> None: 

41 assert not install_req.name 

42 self.unnamed_requirements.append(install_req) 

43 

44 def add_named_requirement(self, install_req: InstallRequirement) -> None: 

45 assert install_req.name 

46 

47 project_name = canonicalize_name(install_req.name) 

48 self.requirements[project_name] = install_req 

49 

50 def has_requirement(self, name: str) -> bool: 

51 project_name = canonicalize_name(name) 

52 

53 return ( 

54 project_name in self.requirements 

55 and not self.requirements[project_name].constraint 

56 ) 

57 

58 def get_requirement(self, name: str) -> InstallRequirement: 

59 project_name = canonicalize_name(name) 

60 

61 if project_name in self.requirements: 

62 return self.requirements[project_name] 

63 

64 raise KeyError(f"No project with the name {name!r}") 

65 

66 @property 

67 def all_requirements(self) -> list[InstallRequirement]: 

68 return self.unnamed_requirements + list(self.requirements.values()) 

69 

70 @property 

71 def requirements_to_install(self) -> list[InstallRequirement]: 

72 """Return the list of requirements that need to be installed. 

73 

74 TODO remove this property together with the legacy resolver, since the new 

75 resolver only returns requirements that need to be installed. 

76 """ 

77 return [ 

78 install_req 

79 for install_req in self.all_requirements 

80 if not install_req.constraint and not install_req.satisfied_by 

81 ]