diff options
Diffstat (limited to 'lib/spack/spack/spec.py')
| -rw-r--r-- | lib/spack/spack/spec.py | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py index 7b79feb311..f62182ce76 100644 --- a/lib/spack/spack/spec.py +++ b/lib/spack/spack/spec.py @@ -6,7 +6,7 @@ # Written by Todd Gamblin, tgamblin@llnl.gov, All rights reserved. # LLNL-CODE-647188 # -# For details, see https://scalability-llnl.github.io/spack +# For details, see https://github.com/llnl/spack # Please also see the LICENSE file for our notice and the LGPL. # # This program is free software; you can redistribute it and/or modify @@ -96,8 +96,8 @@ import hashlib import base64 from StringIO import StringIO from operator import attrgetter -from external import yaml -from external.yaml.error import MarkedYAMLError +import yaml +from yaml.error import MarkedYAMLError import llnl.util.tty as tty from llnl.util.lang import * @@ -1207,6 +1207,13 @@ class Spec(object): return common + def constrained(self, other, deps=True): + """Return a constrained copy without modifying this spec.""" + clone = self.copy(deps=deps) + clone.constrain(other, deps) + return clone + + def dep_difference(self, other): """Returns dependencies in self that are not in other.""" mine = set(s.name for s in self.traverse(root=False)) |