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specs: speed up traversal by avoiding redundant canonicalization

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Todd Gamblin 2021-02-13 00:57:41 -08:00 committed by Greg Becker
parent bb60dbd2ad
commit fd12cba18b
1 changed files with 10 additions and 1 deletions
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11
lib/spack/spack/spec.py
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@ -1382,7 +1382,16 @@ def traverse_edges(self, visited=None, d=0, deptype='all',
cover = kwargs.get('cover', 'nodes') cover = kwargs.get('cover', 'nodes')
direction = kwargs.get('direction', 'children') direction = kwargs.get('direction', 'children')
order = kwargs.get('order', 'pre') order = kwargs.get('order', 'pre')
deptype = dp.canonical_deptype(deptype)
# we don't want to run canonical_deptype every time through
# traverse, because it is somewhat expensive. This ensures we
# canonicalize only once.
canonical_deptype = kwargs.get("canonical_deptype", None)
if canonical_deptype is None:
deptype = dp.canonical_deptype(deptype)
kwargs["canonical_deptype"] = deptype
else:
deptype = canonical_deptype
# Make sure kwargs have legal values; raise ValueError if not. # Make sure kwargs have legal values; raise ValueError if not.
def validate(name, val, allowed_values): def validate(name, val, allowed_values):