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Simplify repeated _add_dependency calls for same package (#33732)

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Harmen Stoppels 2022-11-07 16:33:18 +01:00 committed by GitHub
parent 476e647c94
commit 47df88404a
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1 changed files with 17 additions and 19 deletions
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32
lib/spack/spack/spec.py
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@ -1558,26 +1558,24 @@ def _set_compiler(self, compiler):
def _add_dependency(self, spec, deptypes):
"""Called by the parser to add another spec as a dependency."""
if spec.name in self._dependencies:
# allow redundant compatible dependency specifications
# depspec equality checks by name, so we need to check components
# separately to test whether the specs are identical
orig = self._dependencies[spec.name]
for dspec in orig:
if deptypes == dspec.deptypes:
try:
dspec.spec.constrain(spec)
if spec.name not in self._dependencies:
self.add_dependency_edge(spec, deptypes)
return
except spack.error.UnsatisfiableSpecError:
raise DuplicateDependencyError(
"Cannot depend on incompatible specs '%s' and '%s'"
% (dspec.spec, spec)
)
else:
# Keep the intersection of constraints when a dependency is added
# multiple times. Currently we only allow identical edge types.
orig = self._dependencies[spec.name]
try:
dspec = next(dspec for dspec in orig if deptypes == dspec.deptypes)
except StopIteration:
raise DuplicateDependencyError("Cannot depend on '%s' twice" % spec)
# create an edge and add to parent and child
self.add_dependency_edge(spec, deptypes)
try:
dspec.spec.constrain(spec)
except spack.error.UnsatisfiableSpecError:
raise DuplicateDependencyError(
"Cannot depend on incompatible specs '%s' and '%s'" % (dspec.spec, spec)
)
def add_dependency_edge(self, dependency_spec, deptype):
"""Add a dependency edge to this spec.