本文整理汇总了Python中spack.spec.Spec.variants方法的典型用法代码示例。如果您正苦于以下问题：Python Spec.variants方法的具体用法？Python Spec.variants怎么用？Python Spec.variants使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类spack.spec.Spec的用法示例。
在下文中一共展示了Spec.variants方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: get_matching_versions
# 需要导入模块: from spack.spec import Spec [as 别名]
# 或者: from spack.spec.Spec import variants [as 别名]
def get_matching_versions(specs, **kwargs):
"""Get a spec for EACH known version matching any spec in the list."""
matching = []
for spec in specs:
pkg = spec.package
# Skip any package that has no known versions.
if not pkg.versions:
tty.msg("No safe (checksummed) versions for package %s" % pkg.name)
continue
num_versions = kwargs.get('num_versions', 0)
matching_spec = []
for i, v in enumerate(reversed(sorted(pkg.versions))):
# Generate no more than num_versions versions for each spec.
if num_versions and i >= num_versions:
break
# Generate only versions that satisfy the spec.
if v.satisfies(spec.versions):
s = Spec(pkg.name)
s.versions = VersionList([v])
s.variants = spec.variants.copy()
# This is needed to avoid hanging references during the
# concretization phase
s.variants.spec = s
matching_spec.append(s)
if not matching_spec:
tty.warn("No known version matches spec: %s" % spec)
matching.extend(matching_spec)
return matching