def value_or_global_default(self,
python_setup: PythonSetup) -> Tuple[str, ...]:
"""Return either the given `compatibility` field or the global interpreter constraints.
If interpreter constraints are supplied by the CLI flag, return those only.
"""
return python_setup.compatibility_or_constraints(self.value)
def create_from_adaptors(
cls, adaptors: Iterable[TargetAdaptor],
python_setup: PythonSetup) -> "PexInterpreterConstraints":
constraint_sets: Set[Iterable[str]] = set()
for adaptor in adaptors:
if not isinstance(adaptor, PythonTargetAdaptor):
continue
constraint_set = python_setup.compatibility_or_constraints(
adaptor.compatibility)
constraint_sets.add(constraint_set)
# This will OR within each target and AND across targets.
merged_constraints = cls.merge_constraint_sets(constraint_sets)
return PexInterpreterConstraints(merged_constraints)