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variants: allow MultiValuedVariants to be constructed incrementally

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This commit is contained in:
Todd Gamblin 2019-10-07 08:33:54 -07:00
parent be10568a6a
commit 51af590e64
2 changed files with 18 additions and 5 deletions
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14
lib/spack/spack/solver/asp.py
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@ -198,6 +198,11 @@ def spec_versions(self, spec):
v for v in self.possible_versions[spec.name] v for v in self.possible_versions[spec.name]
if v.satisfies(spec.versions) if v.satisfies(spec.versions)
] ]
# don't bother restricting anything if all versions are allowed
if len(allowed_versions) == len(self.possible_versions[spec.name]):
return []
predicates = [fn.version(spec.name, v) for v in allowed_versions] predicates = [fn.version(spec.name, v) for v in allowed_versions]
# conflict with any versions that do not satisfy the spec # conflict with any versions that do not satisfy the spec
@ -288,9 +293,6 @@ def spec_clauses(self, spec):
""" """
clauses = [] clauses = []
if spec.name:
clauses.append(fn.node(spec.name))
clauses.extend(self.spec_versions(spec)) clauses.extend(self.spec_versions(spec))
# seed architecture at the root (we'll propagate later) # seed architecture at the root (we'll propagate later)
@ -428,6 +430,12 @@ def arch_target(self, pkg, target):
def variant_value(self, pkg, name, value): def variant_value(self, pkg, name, value):
pkg_class = spack.repo.path.get_pkg_class(pkg) pkg_class = spack.repo.path.get_pkg_class(pkg)
variant = self._specs[pkg].variants.get(name)
if variant:
# it's multi-valued
variant.append(value)
else:
variant = pkg_class.variants[name].make_variant(value) variant = pkg_class.variants[name].make_variant(value)
self._specs[pkg].variants[name] = variant self._specs[pkg].variants[name] = variant

5
lib/spack/spack/variant.py
View file

@ -389,6 +389,11 @@ def satisfies(self, other):
return super_sat and (all(v in self.value for v in other.value) or return super_sat and (all(v in self.value for v in other.value) or
'*' in other or '*' in self) '*' in other or '*' in self)
def append(self, value):
"""Add another value to this multi-valued variant."""
self._value = tuple(sorted((value,) + self._value))
self._original_value = ",".join(self._value)
class SingleValuedVariant(AbstractVariant): class SingleValuedVariant(AbstractVariant):
"""A variant that can hold multiple values, but one at a time.""" """A variant that can hold multiple values, but one at a time."""